park/ai.cpp

@@ -0,0 +1,268 @@
+// ai.cpp
+#include "ai.h"
+#include "ui_ai.h"
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QFileDialog>
+#include <QNetworkRequest>
+#include <QFile>
+#include <QNetworkReply>
+#include <QUrl>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
+#include <QMovie>
+#include <QtTextToSpeech/QTextToSpeech>
+#include <QBuffer>
+#include <QString>
+#include "message.h"
+#include <QSqlQuery>
+#include <QSqlDatabase>
+#include <QMessageBox>
+#include "choose.h"
+
+ai::ai(QWidget *parent, choose* choosePage)
+    : QWidget(parent),
+      ui(new Ui::ai),
+      choosePage(choosePage)
+{
+
+    // 显示车牌图片
+    lb_pix = new QLabel;
+    lb_pix->setFixedSize(490, 350);
+    lb_pix->setScaledContents(true);
+    // 加载并显示名为 'fen.png' 的图片
+    QPixmap pixmap(":/fen.png");  // 假设图片文件已添加到 Qt 的资源文件中
+    pixmap = pixmap.scaled(lb_pix->size(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
+    lb_pix->setPixmap(pixmap);
+
+    // 设置窗口的背景图片
+    lb_pix->setStyleSheet("background-image: url(:/fen.png);"
+                         "background-position: center;"
+                         "background-repeat: no-repeat;"
+                         "background-size: cover;");
+
+    // 设置载入车牌按钮
+    btn_load = new QPushButton("载入车牌");
+    btn_load->setFixedSize(90, 45);
+    btn_load->setStyleSheet("QPushButton {"
+                            "background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, "
+                            "stop:0.0112994 rgba(173, 216, 230, 255), "
+                            "stop:1 rgba(204, 229, 255, 255)); "
+                            "color: rgb(255, 255, 255); "
+                            "border: 2px solid rgba(170, 255, 255, 200); "
+                            "border-radius: 10px; "
+                            "padding: 5px 10px; "
+                            "font: 16pt \"Candara\"; "
+                            "box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.3);"
+                            "}"
+                            "QPushButton:hover {"
+                            "background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, "
+                            "stop:0.0112994 rgba(204, 229, 255, 255), "
+                            "stop:1 rgba(173, 216, 230, 255)); "
+                            "border: 2px solid rgba(173, 216, 230, 255);"
+                            "}"
+                            "QPushButton:pressed {"
+                            "background-color: rgba(204, 229, 255, 150); "
+                            "box-shadow: inset 0px 0px 5px rgba(0, 0, 0, 0.2);"
+                            "}");
+
+    // 设置识别按钮
+    btn_decode = new QPushButton("识别");
+    btn_decode->setFixedSize(90, 45);
+    btn_decode->setStyleSheet("QPushButton {"
+                              "background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, "
+                              "stop:0.0112994 rgba(173, 216, 230, 255), "
+                              "stop:1 rgba(204, 229, 255, 255)); "
+                              "color: rgb(255, 255, 255); "
+                              "border: 2px solid rgba(170, 255, 255, 200); "
+                              "border-radius: 10px; "
+                              "padding: 5px 10px; "
+                              "font: 16pt \"Candara\"; "
+                              "box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.3);"
+                              "}"
+                              "QPushButton:hover {"
+                              "background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, "
+                              "stop:0.0112994 rgba(204, 229, 255, 255), "
+                              "stop:1 rgba(173, 216, 230, 255)); "
+                              "border: 2px solid rgba(173, 216, 230, 255);"
+                              "}"
+                              "QPushButton:pressed {"
+                              "background-color: rgba(204, 229, 255, 150); "
+                              "box-shadow: inset 0px 0px 5px rgba(0, 0, 0, 0.2);"
+                              "}");
+
+    // ---- 返回箭头按钮 ----
+    btn_back = new QPushButton("返回", this);
+    btn_back->setFixedSize(40, 30);
+    btn_back->setStyleSheet("QPushButton {"
+                                "background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, "
+                                "stop:0.0112994 rgba(173, 216, 230, 255), "
+                                "stop:1 rgba(204, 229, 255, 255)); "
+                                "color: rgb(255, 255, 255); "
+                                "border: 2px solid rgba(170, 255, 255, 200); "
+                                "border-radius: 10px; "
+                                "padding: 2px 2px; "
+                                "font: 13pt \"Candara\"; "
+                                "box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.3);"
+                                "}"
+                                "QPushButton:hover {"
+                                "background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, "
+                                "stop:0.0112994 rgba(204, 229, 255, 255), "
+                                "stop:1 rgba(173, 216, 230, 255)); "
+                                "border: 2px solid rgba(173, 216, 230, 255);"
+                                "}"
+                                "QPushButton:pressed {"
+                                "background-color: rgba(204, 229, 255, 150); "
+                                "box-shadow: inset 0px 0px 5px rgba(0, 0, 0, 0.2);"
+                                "}");
+        // 初始位置
+    btn_back->move(20, this->height() - btn_back->height() - 1);
+    btn_back->raise();
+    connect(btn_back, &QPushButton::clicked, this, &ai::backToChoose);
+
+    // 设置车牌路径输入框
+    le_path = new QLineEdit;
+    le_path->setPlaceholderText("车牌图片路径：");
+    le_path->setMinimumHeight(30);
+    le_path->setStyleSheet("QLineEdit {"
+                           "border: 1px solid rgba(170, 255, 255, 200); "
+                           "border-radius: 10px; "
+                           "padding: 5px 10px; "
+                           "font: 15pt \"微软雅黑\";"
+                           "}");
+
+
+    // 设置识别结果输入框
+    le_code = new QLineEdit;
+    le_code->setPlaceholderText("识别结果：");
+    le_code->setMinimumHeight(33);
+    le_code->setStyleSheet("QLineEdit {"
+                           "border: 1px solid rgba(170, 255, 255, 200); "
+                           "border-radius: 10px; "
+                           "padding: 5px 10px; "
+                           "font: 18pt \"微软雅黑\";"
+
+                           "}");
+
+    speeker = new QTextToSpeech;
+    httpmanager = new QNetworkAccessManager;
+    connect(httpmanager, SIGNAL(finished(QNetworkReply*)), this, SLOT(read_ack(QNetworkReply*)));
+
+
+//     2. 排版
+    QHBoxLayout *hbox = new QHBoxLayout;
+    hbox->addWidget(btn_load);
+    hbox->addWidget(btn_decode);
+
+    QVBoxLayout *mainbox = new QVBoxLayout;
+//    车牌图片
+    mainbox->addWidget(lb_pix);
+
+    mainbox->addWidget(le_path);
+    mainbox->addWidget(le_code);
+
+    mainbox->addLayout(hbox);
+    setLayout(mainbox);
+
+    // 5. 前后台挂接
+    connect(btn_load, SIGNAL(clicked(bool)), this, SLOT(load_pix()));
+    connect(btn_decode, SIGNAL(clicked(bool)), this, SLOT(decode_pix()));
+    mes = new message;
+    connect(this, SIGNAL(mySignals(QString)), mes, SLOT(mySlot(QString)));
+    connect(this, SIGNAL(Signal_out(QString)), mes, SLOT(Slot_out(QString)));
+
+}
+
+void ai::load_pix()
+{
+    QString filename = QFileDialog::getOpenFileName(this, "打开车牌照片", ".", "Images (*.png *.bmp *.jpg)");
+    if (filename.isEmpty()) {
+        return;  // 如果没有选择文件，直接返回
+    }
+
+    QPixmap pixmap(filename);
+    if (!pixmap.isNull()) {
+        // 调整图片大小，以适应QLabel的大小
+        pixmap = pixmap.scaled(lb_pix->size(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
+        lb_pix->setPixmap(pixmap);
+    } else {
+
+        qDebug() << "无法加载图片";
+    }
+    le_path->setText(filename);
+}
+
+
+void ai::decode_pix()
+{
+    // 向百度发送一个二维码识别请求（HTTP）
+    QNetworkRequest myrequset;
+
+    // 填充请求url
+    myrequset.setUrl(QUrl("https://aip.baidubce.com/rest/2.0/ocr/v1/license_plate?access_token=24.0e7a67f4d73ff0ff12103db37f2b053a.2592000.1758432109.282335-119834695"));
+    // 填充header
+    myrequset.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded");
+
+    // 填充请求的body
+    // 1. 挖出照片内容
+    QFile file(le_path->text());
+    file.open(QIODevice::ReadOnly);
+    QByteArray buf = file.readAll();
+
+    // 2. 转成base64及urlcode
+    QByteArray buf64 = buf.toBase64().toPercentEncoding();
+    QByteArray body = "image=" + buf64;
+    // 发送完整的一次识别请求
+    httpmanager->post(myrequset, body);
+}
+
+// 结果解析
+void ai::read_ack(QNetworkReply *r)
+{
+    // 提取json格式的返回
+    QByteArray buf = r->readAll();
+    qDebug() << buf;
+
+    // 提取json中的内容
+    QJsonDocument myjson = QJsonDocument::fromJson(buf);
+    QJsonObject node = myjson.object();
+    QJsonObject arr = node.value("words_result").toObject();
+    QString text = arr.value("number").toString();
+    le_code->setText(text);
+    speeker->say(text+"已识别");
+    speeker->setVolume(1.0);  // 设置最大音量
+    speeker->setRate(-0.2);   //放慢速度
+
+
+    // 判断是否已经进入
+    QSqlDatabase db = QSqlDatabase::database("text01");  // 使用相同的连接名 "text01"
+    if (!db.isOpen() && !db.open()) {
+        qDebug() << "数据库连接失败！";
+        return;
+    }
+
+    QString number = QString("SELECT * FROM car_number WHERE number='%1'").arg(text);
+    QSqlQuery query(db);
+
+    if (query.exec(number) && query.next()) {
+        emit Signal_out(text);
+    } else {
+        emit mySignals(text);
+    }
+}
+
+void ai::backToChoose()
+{
+    if (choosePage) {    // choosePage 是通过构造函数传入的指针
+        choosePage->show();
+        this->hide();
+    }
+}
+
+
+ai::~ai()
+{
+    delete ui;
+    delete mes;
+}

park/ai.h

@@ -0,0 +1,63 @@
+#ifndef AI_H
+#define AI_H
+
+#include <QWidget>
+#include <QLabel>
+#include <QLineEdit>
+#include <QPushButton>
+#include <QNetworkAccessManager>
+#include <QtTextToSpeech/QTextToSpeech>
+#include <QByteArray>
+#include <QNetworkReply>
+#include <QImage>
+
+#include <QtTextToSpeech/QTextToSpeech>
+
+class choose; // 前向声明
+
+#include "message.h"
+
+namespace Ui {
+class ai;
+}
+
+class ai : public QWidget
+{
+    Q_OBJECT
+
+public:
+    // 构造函数和析构函数
+    explicit ai(QWidget *parent = nullptr, choose* choosePage = nullptr);
+
+    ~ai();
+
+    // UI 控件声明
+    QLabel *lb_pix;           // 显示图片的标签
+    QLabel *lb;               // 可以用于额外的显示信息
+    QLineEdit *le_path;       // 输入车牌图片路径
+    QLineEdit *le_code;       // 显示识别结果
+    QPushButton *btn_load;    // 加载图片按钮
+    QPushButton *btn_decode;  // 识别图片按钮
+    QPushButton *btn_back; // 返回箭头按钮
+    QNetworkAccessManager *httpmanager;  // 网络请求管理器
+    QTextToSpeech *speeker;   // 语音合成对象
+
+    QByteArray toBase64(const QImage &image);  // 转换图片为base64编码
+
+public slots:
+    void read_ack(QNetworkReply* reply);  // 处理请求回调
+    void load_pix();  // 加载图片的槽函数
+    void decode_pix();  // 识别图片的槽函数
+    void backToChoose(); // 返回槽函数
+
+signals:
+    void mySignals(QString str);  // 自定义信号，向外发送车牌号
+    void Signal_out(QString str); // 发送车牌号给外部系统
+
+private:
+    Ui::ai *ui;  // UI对象，用于管理和更新界面
+    message *mes; // 业务逻辑对象，用于处理信息
+    choose* choosePage; // 保存 choose 页面指针
+};
+
+#endif // AI_H

park/ai.ui

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ai</class>
+ <widget class="QWidget" name="ai">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>600</width>
+    <height>420</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <property name="styleSheet">
+   <string notr="true">background-color: rgb(255, 255, 255);</string>
+  </property>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

park/change_ui.cpp

@@ -0,0 +1,6 @@
+#include "change_ui.h"
+
+change_ui::change_ui()
+{
+
+}

park/change_ui.h

@@ -0,0 +1,11 @@
+#ifndef CHANGE_UI_H
+#define CHANGE_UI_H
+
+
+class change_ui
+{
+public:
+    change_ui();
+};
+
+#endif // CHANGE_UI_H

park/charge_rules.cpp

@@ -0,0 +1,40 @@
+#include "charge_rules.h"
+#include "ui_charge_rules.h"
+#include <QDebug>
+#include <QMessageBox>
+
+charge_rules::charge_rules(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::charge_rules)
+{
+    ui->setupUi(this);
+    rule=new cost;
+    connect(this,SIGNAL(Signal_rules(double,double,double,double)),rule,SLOT(Slot_rules(double,double,double,double)));
+    this->setWindowTitle("收费规则");
+}
+
+charge_rules::~charge_rules()
+{
+    delete ui;
+    delete rule;
+}
+
+void charge_rules::on_pushButton_2_clicked()
+{
+    this->close();
+}
+
+void charge_rules::on_pushButton_clicked()
+{
+    QString T=ui->lineEdit->text();
+    QString money=ui->lineEdit_2->text();
+    QString free=ui->lineEdit_3->text();
+    QString max=ui->lineEdit_4->text();
+    double t=T.toDouble();
+    double m=money.toDouble();
+    double f=free.toDouble();
+    double mm=max.toDouble();
+    emit Signal_rules(t,m,f,mm);
+    QMessageBox::about(NULL,  "消息框",  "修改成功");
+    this->close();
+}

park/charge_rules.h

@@ -0,0 +1,33 @@
+#ifndef CHARGE_RULES_H
+#define CHARGE_RULES_H
+
+#include <QDialog>
+#include "cost.h"
+
+namespace Ui {
+class charge_rules;
+}
+
+class charge_rules : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit charge_rules(QWidget *parent = 0);
+    ~charge_rules();
+
+private slots:
+    void on_pushButton_2_clicked();
+
+    void on_pushButton_clicked();
+
+signals:
+    void Signal_rules(double t,double m,double f,double max);
+
+private:
+    Ui::charge_rules *ui;
+    cost *rule;
+
+};
+
+#endif // CHARGE_RULES_H

park/charge_rules.ui

@@ -0,0 +1,192 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>charge_rules</class>
+ <widget class="QDialog" name="charge_rules">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>500</width>
+    <height>400</height>
+   </rect>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>500</width>
+    <height>400</height>
+   </size>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>500</width>
+    <height>400</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <widget class="QPushButton" name="pushButton">
+   <property name="geometry">
+    <rect>
+     <x>90</x>
+     <y>280</y>
+     <width>101</width>
+     <height>51</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <pointsize>14</pointsize>
+    </font>
+   </property>
+   <property name="text">
+    <string>更改</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_2">
+   <property name="geometry">
+    <rect>
+     <x>300</x>
+     <y>280</y>
+     <width>91</width>
+     <height>51</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <pointsize>14</pointsize>
+    </font>
+   </property>
+   <property name="text">
+    <string>返回</string>
+   </property>
+  </widget>
+  <widget class="QWidget" name="">
+   <property name="geometry">
+    <rect>
+     <x>40</x>
+     <y>40</y>
+     <width>401</width>
+     <height>201</height>
+    </rect>
+   </property>
+   <layout class="QHBoxLayout" name="horizontalLayout">
+    <item>
+     <layout class="QVBoxLayout" name="verticalLayout">
+      <item>
+       <widget class="QLabel" name="label">
+        <property name="font">
+         <font>
+          <pointsize>14</pointsize>
+         </font>
+        </property>
+        <property name="text">
+         <string>计费周期(分钟)：</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLabel" name="label_2">
+        <property name="font">
+         <font>
+          <pointsize>14</pointsize>
+         </font>
+        </property>
+        <property name="text">
+         <string> 周期收费(元)：</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLabel" name="label_3">
+        <property name="font">
+         <font>
+          <pointsize>14</pointsize>
+         </font>
+        </property>
+        <property name="text">
+         <string>免费时长(分钟)：</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLabel" name="label_4">
+        <property name="font">
+         <font>
+          <pointsize>14</pointsize>
+         </font>
+        </property>
+        <property name="text">
+         <string> 最高收费(元)：</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </item>
+    <item>
+     <layout class="QVBoxLayout" name="verticalLayout_2">
+      <item>
+       <widget class="QLineEdit" name="lineEdit">
+        <property name="font">
+         <font>
+          <pointsize>14</pointsize>
+         </font>
+        </property>
+        <property name="placeholderText">
+         <string>30</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLineEdit" name="lineEdit_2">
+        <property name="font">
+         <font>
+          <pointsize>14</pointsize>
+         </font>
+        </property>
+        <property name="text">
+         <string/>
+        </property>
+        <property name="placeholderText">
+         <string>1.5</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLineEdit" name="lineEdit_3">
+        <property name="font">
+         <font>
+          <pointsize>14</pointsize>
+         </font>
+        </property>
+        <property name="text">
+         <string/>
+        </property>
+        <property name="placeholderText">
+         <string>15</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLineEdit" name="lineEdit_4">
+        <property name="font">
+         <font>
+          <pointsize>14</pointsize>
+         </font>
+        </property>
+        <property name="text">
+         <string/>
+        </property>
+        <property name="placeholderText">
+         <string>30</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

park/choose.cpp

@@ -0,0 +1,253 @@
+#include "choose.h"
+#include "ai.h"
+#include "login.h"
+#include "marketing.h"
+
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QDebug>
+#include <QPixmap>
+#include <QPainter>
+#include <QLinearGradient>
+#include <QFont>
+#include <QTextToSpeech>
+#include <QMediaPlayer>
+#include <QMediaPlaylist>
+#include <QScrollArea>
+#include <QUrl>
+
+// ================= GradientLabel =================
+void GradientLabel::paintEvent(QPaintEvent *event)
+{
+    QPainter painter(this);
+    painter.setRenderHint(QPainter::Antialiasing);
+
+    QFont font = this->font();
+    painter.setFont(font);
+
+    QRect rect = this->rect().adjusted(contentsMargins().left(),
+                                       contentsMargins().top(),
+                                       -contentsMargins().right(),
+                                       -contentsMargins().bottom());
+    QString text = this->text();
+
+    QLinearGradient gradient(0, 0, rect.width(), 0);
+    gradient.setColorAt(0, QColor("#ff9a9e"));
+    gradient.setColorAt(0.5, QColor("#ff6a95"));
+    gradient.setColorAt(1, QColor("#fad0c4"));
+
+    painter.setPen(QPen(QBrush(gradient), 0));
+    painter.drawText(rect, alignment(), text);
+}
+
+// ================= choose 构造函数 =================
+choose::choose(QWidget *parent)
+    : QWidget(parent), aiPage(nullptr), loginPage(nullptr), marketingPage(nullptr)
+{
+    // 播放背景音乐
+    QMediaPlaylist *musicList = new QMediaPlaylist(this);
+    musicList->addMedia(QUrl::fromLocalFile("D:/sparking111dui/111/park/yun.wav"));
+    QMediaPlayer *soundPlayer = new QMediaPlayer(this);
+    soundPlayer->setPlaylist(musicList);
+    soundPlayer->play();
+    musicList->setPlaybackMode(QMediaPlaylist::CurrentItemInLoop);
+    soundPlayer->setVolume(80);
+
+    // 固定窗口大小
+    resize(550, 400);
+    setMinimumSize(550, 400);
+    setMaximumSize(550, 400);
+
+    // 背景图片
+    photoLabel = new QLabel(this);
+    photoLabel->setScaledContents(false);
+    photoLabel->setGeometry(0, 0, width(), height());
+    photoLabel->setAlignment(Qt::AlignCenter);
+    QPixmap pixmap(":/choose.jpg");
+    if (!pixmap.isNull()) {
+        photoLabel->setPixmap(pixmap.scaled(photoLabel->size(),
+                                            Qt::IgnoreAspectRatio,
+                                            Qt::SmoothTransformation));
+    } else {
+        qDebug() << "图片加载失败，请检查路径";
+    }
+
+    // 顶部渐变文字
+    titleLabel = new GradientLabel(this);
+    titleLabel->setText("请选择您的角色");
+    QFont titleFont("微软雅黑", 25, QFont::Bold);
+    titleLabel->setFont(titleFont);
+    titleLabel->setAlignment(Qt::AlignVCenter);
+
+    QHBoxLayout *titleLayout = new QHBoxLayout();
+    titleLayout->addSpacing(30);
+    titleLayout->addWidget(titleLabel);
+    titleLayout->addStretch();
+
+    // 公告区域使用滚动条
+    announcementLabel = new QLabel;
+    announcementLabel->setWordWrap(true);
+    announcementLabel->setText("停车场公告：\n"
+                               "1. 请规范停放，车身完全入位，勿占消防通道、应急出口及他人专属车位。\n"
+                               "2. 勿在车内存放现金、首饰等贵重物品，锁车后确认门窗是否关好。\n"
+                               "3. 场内禁鸣笛、限速5km/h，儿童与宠物需成人全程看护。\n"
+                               "4. 若遇车辆剐蹭、设备故障，联系管理员（电话：88888888）协助处理。\n"
+                               "5. 遇暴雨、大风等恶劣天气，建议选择地下停车场或空旷且安全区域，避免车辆受损。\n"
+                               "感谢您的理解与配合，祝您出行平安！");
+
+    announcementLabel->setStyleSheet(
+        "color: #000000;"
+        "background: qlineargradient(x1:0, y1:0, x2:0, y2:1, "
+        "stop:0 #fff0f2, stop:0.5 #fff5f8, stop:1 #fffafb);"
+        "font: 11px '微软雅黑';"
+        "padding: 5px;"
+        "border-radius: 10px;"
+    );
+
+    scrollArea = new QScrollArea(this);
+    scrollArea->setWidgetResizable(true);
+    scrollArea->setWidget(announcementLabel);
+    scrollArea->setFixedSize(300, 140);  // 公告可视区域
+    scrollArea->move(width() - 320, 80);
+    scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    scrollArea->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded);
+    scrollArea->setStyleSheet(
+        "QScrollArea {"
+        "background: transparent;"
+        "border: none;"
+        "border-radius: 10px;"
+        "}"
+        "QScrollBar:vertical {"
+        "width: 6px;"
+        "background: transparent;"
+        "margin: 0px;"
+        "}"
+        "QScrollBar::handle:vertical {"
+        "background: rgba(200,200,200,150);"
+        "border-radius: 3px;"
+        "}"
+    );
+
+    // 按钮
+    btnAI = new QPushButton("车主", this);
+    btnLogin = new QPushButton("系统管理员", this);
+    btnMarketing = new QPushButton("系统运营商", this);
+
+    QString btnStyle = R"(
+        QPushButton {
+            background-color: qlineargradient(x1:0, y1:0, x2:1, y2:1,
+                                              stop:0 #ff9a9e, stop:1 #fad0c4);
+            color: white;
+            font: bold 15px "微软雅黑";
+            border-radius: 10px;
+            padding: 8px 5px;
+        }
+        QPushButton:hover {
+            background-color: qlineargradient(x1:0, y1:0, x2:1, y2:1,
+                                              stop:0 #fad0c4, stop:1 #ff9a9e);
+        }
+        QPushButton:pressed {
+            background-color: #f78ca0;
+        }
+    )";
+
+    btnAI->setStyleSheet(btnStyle);
+    btnLogin->setStyleSheet(btnStyle);
+    btnMarketing->setStyleSheet(btnStyle);
+
+    btnAI->setFixedSize(120,50);
+    btnLogin->setFixedSize(120,50);
+    btnMarketing->setFixedSize(120,50);
+
+    QVBoxLayout *vLayout = new QVBoxLayout(this);
+    vLayout->addSpacing(150);
+    vLayout->addLayout(titleLayout);
+    vLayout->addSpacing(42);
+
+    QHBoxLayout *hLayout = new QHBoxLayout();
+    hLayout->addStretch();
+    hLayout->addWidget(btnAI);
+    hLayout->addSpacing(30);
+    hLayout->addWidget(btnLogin);
+    hLayout->addSpacing(30);
+    hLayout->addWidget(btnMarketing);
+    hLayout->addStretch();
+
+    vLayout->addLayout(hLayout);
+    vLayout->addStretch(1);
+    vLayout->setContentsMargins(0, 0, 0, 0);
+    setLayout(vLayout);
+
+    btnAI->raise();
+    btnLogin->raise();
+    btnMarketing->raise();
+    titleLabel->raise();
+    scrollArea->raise();
+
+    // 语音播报
+    tts = new QTextToSpeech(this);
+    tts->say("请选择您的角色");
+
+    // 信号槽
+    connect(btnAI, &QPushButton::clicked, this, &choose::openAIPage);
+    connect(btnLogin, &QPushButton::clicked, this, &choose::openLoginPage);
+    connect(btnMarketing, &QPushButton::clicked, this, &choose::openMarketingPage);
+}
+
+choose::~choose()
+{
+    aiPage = nullptr;
+    loginPage = nullptr;
+    marketingPage = nullptr;
+}
+
+void choose::resizeEvent(QResizeEvent *event)
+{
+    photoLabel->setGeometry(0, 0, width(), height());
+    QPixmap pixmap(":/choose.jpg");
+    if (!pixmap.isNull()) {
+        photoLabel->setPixmap(pixmap.scaled(photoLabel->size(),
+                                            Qt::IgnoreAspectRatio,
+                                            Qt::SmoothTransformation));
+    }
+
+    // 滚动公告自适应
+    if (scrollArea) {
+        scrollArea->move(width() - 320, 80);
+    }
+
+    QWidget::resizeEvent(event);
+}
+
+// 打开子页面
+void choose::openAIPage()
+{
+    tts->say("您选择了车主");
+    if (!aiPage) aiPage = new ai(nullptr, this);
+    aiPage->show();
+    this->hide();
+}
+
+void choose::openLoginPage()
+{
+    tts->say("您选择了系统管理员");
+    if (!loginPage) loginPage = new login(nullptr, this);
+    loginPage->show();
+    this->hide();
+}
+
+void choose::openMarketingPage()
+{
+    tts->say("您选择了系统运营商");
+    if (!marketingPage) marketingPage = new marketing(nullptr, this);
+    marketingPage->show();
+    this->hide();
+}
+
+// 设置公告文本（动态修改）
+void choose::setAnnouncementText(const QString &text)
+{
+    if (!announcementLabel) return;
+    announcementLabel->setText(text);
+    announcementLabel->adjustSize();
+}

park/choose.h

@@ -0,0 +1,64 @@
+#ifndef CHOOSE_H
+#define CHOOSE_H
+
+#include <QWidget>
+#include <QPushButton>
+#include <QLabel>
+#include <QResizeEvent>
+#include <QTextToSpeech>
+#include <QLineEdit>
+#include <QScrollArea>
+
+class ai;
+class login;
+class marketing;
+class Widget;
+
+// 渐变文字 Label
+class GradientLabel : public QLabel
+{
+    Q_OBJECT
+public:
+    explicit GradientLabel(QWidget *parent = nullptr) : QLabel(parent) {}
+protected:
+    void paintEvent(QPaintEvent *event) override;
+};
+
+class choose : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit choose(QWidget *parent = nullptr);
+    ~choose();
+
+protected:
+    void resizeEvent(QResizeEvent *event) override;
+
+private slots:
+    void openAIPage();
+    void openLoginPage();
+    void openMarketingPage();
+
+private:
+    QLabel *photoLabel;
+    GradientLabel *titleLabel;
+    QLabel *announcementLabel; // 公告标签
+    QScrollArea *scrollArea;   // 滚动条区域
+    QPushButton *btnAI;
+    QPushButton *btnLogin;
+    QPushButton *btnMarketing;
+    QLineEdit *textEdit;
+
+    ai *aiPage;
+    login *loginPage;
+    marketing *marketingPage;
+    Widget* widgetPage = nullptr;
+
+    QTextToSpeech *tts;
+
+public:
+    void setAnnouncementText(const QString &text); // 设置公告内容
+};
+
+#endif // CHOOSE_H

park/choose.ui

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>choose</class>
+ <widget class="QWidget" name="choose">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>600</width>
+    <height>420</height>
+   </rect>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>600</width>
+    <height>420</height>
+   </size>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>600</width>
+    <height>420</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>From</string>
+  </property>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

park/cost.h

@@ -0,0 +1,34 @@
+#ifndef COST_H
+#define COST_H
+
+#include <QDialog>
+#include "message.h"
+
+namespace Ui {
+class cost;
+}
+class message;
+class cost : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit cost(QWidget *parent = 0);
+    ~cost();
+
+    double T,money,free,max;
+
+private slots:
+    void on_pushButton_clicked();
+    void Slot_cost(int time,QString number);
+    void Slot_rules(double t,double m,double f,double max);
+
+private:
+    Ui::cost *ui;
+    message *m;
+
+signals:
+    void Signal_message(QString number,int total,double pay);
+};
+
+#endif // COST_H

park/cost.ui

@@ -0,0 +1,129 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>cost</class>
+ <widget class="QDialog" name="cost">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>400</width>
+    <height>300</height>
+   </size>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>400</width>
+    <height>300</height>
+   </size>
+  </property>
+  <property name="sizeIncrement">
+   <size>
+    <width>4</width>
+    <height>0</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <widget class="QWidget" name="layoutWidget">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>40</y>
+     <width>341</width>
+     <height>141</height>
+    </rect>
+   </property>
+   <layout class="QHBoxLayout" name="horizontalLayout">
+    <item>
+     <layout class="QVBoxLayout" name="verticalLayout">
+      <item>
+       <widget class="QLabel" name="label_4">
+        <property name="font">
+         <font>
+          <pointsize>14</pointsize>
+         </font>
+        </property>
+        <property name="text">
+         <string> 停车时长(分钟)：</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLabel" name="label_3">
+        <property name="font">
+         <font>
+          <pointsize>14</pointsize>
+         </font>
+        </property>
+        <property name="text">
+         <string>  收费总额(元)：</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </item>
+    <item>
+     <layout class="QVBoxLayout" name="verticalLayout_2">
+      <item>
+       <widget class="QTextBrowser" name="textBrowser_3">
+        <property name="maximumSize">
+         <size>
+          <width>16777215</width>
+          <height>35</height>
+         </size>
+        </property>
+        <property name="font">
+         <font>
+          <pointsize>14</pointsize>
+         </font>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QTextBrowser" name="textBrowser_4">
+        <property name="maximumSize">
+         <size>
+          <width>16777215</width>
+          <height>35</height>
+         </size>
+        </property>
+        <property name="font">
+         <font>
+          <pointsize>14</pointsize>
+         </font>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QPushButton" name="pushButton">
+   <property name="geometry">
+    <rect>
+     <x>130</x>
+     <y>210</y>
+     <width>111</width>
+     <height>51</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <pointsize>14</pointsize>
+    </font>
+   </property>
+   <property name="text">
+    <string>返回</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

park/images.qrc

@@ -0,0 +1,15 @@
+<RCC>
+    <qresource prefix="/">
+        <file>car.gif</file>
+        <file>house.jpg</file>
+        <file>pig.gif</file>
+        <file>sun.gif</file>
+        <file>huoche.png</file>
+        <file>tian.png</file>
+        <file>fen.png</file>
+        <file>car.png</file>
+        <file>choose.jpg</file>
+        <file>notice.jpg</file>
+        <file>marketing.jpg</file>
+    </qresource>
+</RCC>

park/login.cpp

@@ -0,0 +1,106 @@
+#include "login.h"
+#include "ui_login.h"
+#include <QMessageBox>
+#include "signal.h"
+#include <QSqlQuery>
+#include <QString>
+#include <QDebug>
+#include "widget.h"
+#include <QGraphicsDropShadowEffect> //设置阴影
+#include <QMovie> // 包含QMovie的头文件
+
+#include <QMediaPlayer>
+#include <QMediaPlaylist>
+#include <QUrl>
+#include "choose.h" // 包含 choose 页面头文件
+
+
+login::login(QWidget *parent, choose* choosePage) : QDialog(parent),
+                                ui(new Ui::login),choosePage(choosePage)
+{
+    ui->setupUi(this);
+    sign = new sign_in;
+//    w = new Widget(choosePage);
+
+    //插入图片
+    QPixmap house(":/house.jpg");
+    ui->label_3->setPixmap(house);
+    //设置阴影
+    QGraphicsDropShadowEffect *shadow = new QGraphicsDropShadowEffect(this);
+    shadow->setOffset(-3, 0);
+    shadow->setColor(QColor("#888888"));
+    shadow->setBlurRadius(30);
+    ui->label_3->setGraphicsEffect(shadow);
+
+    //动图
+    QMovie *movie = new QMovie(":/sun.gif");
+    ui->label_2->setMovie(movie);
+    movie->start();
+
+    connect(ui->pass, &QLineEdit::returnPressed, this, &login::on_login_2_clicked);
+
+    this->setWindowFlags(Qt::WindowCloseButtonHint | Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint);
+
+}
+
+login::~login()
+{
+    delete ui;
+    delete sign;
+    delete w;
+}
+
+void login::on_exit_clicked()
+{
+    if (choosePage) {
+        choosePage->show(); // 显示已有 choose 页面，音乐不会重复
+        this->hide();
+    }
+
+}
+
+void login::on_login_2_clicked()
+{
+    QString username = ui->name->text();
+    QString userpwd = ui->pass->text();
+
+    // 使用在 main 中创建的数据库连接
+    QSqlDatabase db = QSqlDatabase::database("text01");
+
+    if (!db.isOpen()) {
+        QMessageBox::warning(this, tr("警告！"), tr("数据库未打开！"), QMessageBox::Yes);
+        return;
+    }
+
+    QString userQuery = QString("select * from user where name='%1' and pass='%2' ").arg(username).arg(userpwd);
+    QSqlQuery query(db);  // 使用 db 对象来执行查询
+    if (query.exec(userQuery) && query.next()) {
+        if (!w) {
+            w = new Widget(choosePage,nullptr);  // 初始化 Widget
+        }
+        w->show();
+        this->hide();
+    } else {
+        QMessageBox::warning(this, tr("警告！"), tr("用户名或密码错误！"), QMessageBox::Yes);
+        ui->name->clear();
+        ui->pass->clear();
+        ui->name->setFocus();
+    }
+}
+
+
+void login::showEvent(QShowEvent *event)
+{
+    QDialog::showEvent(event); // 保留默认行为
+
+    // 每次显示登录窗口时清空账号和密码
+    ui->name->clear();
+    ui->pass->clear();
+    ui->name->setFocus();
+}
+
+
+void login::on_pushButton_clicked()
+{
+    sign->exec();
+}

park/login.h

@@ -0,0 +1,43 @@
+#ifndef LOGIN_H
+#define LOGIN_H
+
+#include <QDialog>
+#include "sign_in.h"
+#include "widget.h"
+
+#include <QMediaPlayer>
+#include <QMediaPlaylist>
+
+class choose;
+
+namespace Ui {
+class login;
+}
+
+class login : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit login(QWidget *parent, choose* choosePage );
+    ~login();
+
+private slots:
+    void on_exit_clicked();
+
+    void on_login_2_clicked();
+
+    void on_pushButton_clicked();
+
+private:
+    Ui::login *ui;
+    sign_in *sign;
+    Widget* w = nullptr;  // 原来的 widget 指针
+    choose* choosePage = nullptr;  // 新增 choose 指针
+
+protected:
+    void showEvent(QShowEvent *event) override;
+
+};
+
+#endif // LOGIN_H

park/login.ui

@@ -0,0 +1,276 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>login</class>
+ <widget class="QDialog" name="login">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>600</width>
+    <height>420</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>600</width>
+    <height>420</height>
+   </size>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>600</width>
+    <height>420</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <property name="styleSheet">
+   <string notr="true">background-color: rgb(255, 255, 255);</string>
+  </property>
+  <widget class="QPushButton" name="pushButton">
+   <property name="geometry">
+    <rect>
+     <x>190</x>
+     <y>370</y>
+     <width>61</width>
+     <height>31</height>
+    </rect>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(64, 145, 252, 255), 
+stop:1 rgbargb(255, 170, 127));
+color: rgb(255, 255, 255);
+ 
+border:0px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 14pt &quot;Candara&quot;;</string>
+   </property>
+   <property name="text">
+    <string>注册</string>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label_3">
+   <property name="geometry">
+    <rect>
+     <x>300</x>
+     <y>0</y>
+     <width>300</width>
+     <height>420</height>
+    </rect>
+   </property>
+   <property name="minimumSize">
+    <size>
+     <width>300</width>
+     <height>420</height>
+    </size>
+   </property>
+   <property name="text">
+    <string/>
+   </property>
+   <property name="scaledContents">
+    <bool>true</bool>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label_4">
+   <property name="geometry">
+    <rect>
+     <x>110</x>
+     <y>380</y>
+     <width>80</width>
+     <height>21</height>
+    </rect>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">font: 10pt &quot;宋体&quot;;</string>
+   </property>
+   <property name="text">
+    <string>没有账号?去注册 </string>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label_2">
+   <property name="geometry">
+    <rect>
+     <x>-10</x>
+     <y>0</y>
+     <width>151</width>
+     <height>141</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <pointsize>16</pointsize>
+    </font>
+   </property>
+   <property name="text">
+    <string/>
+   </property>
+   <property name="scaledContents">
+    <bool>true</bool>
+   </property>
+  </widget>
+  <widget class="QLineEdit" name="name">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>160</y>
+     <width>241</width>
+     <height>41</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <family>微软雅黑</family>
+     <pointsize>12</pointsize>
+     <weight>50</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: rgb(247, 247, 247);
+border:1px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 12pt &quot;微软雅黑&quot;;</string>
+   </property>
+   <property name="placeholderText">
+    <string>请输入用户名</string>
+   </property>
+  </widget>
+  <widget class="QLineEdit" name="pass">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>230</y>
+     <width>241</width>
+     <height>41</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <family>微软雅黑</family>
+     <pointsize>12</pointsize>
+     <weight>50</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: rgb(247, 247, 247);
+border:1px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 12pt &quot;微软雅黑&quot;;</string>
+   </property>
+   <property name="echoMode">
+    <enum>QLineEdit::Password</enum>
+   </property>
+   <property name="placeholderText">
+    <string>请输入密码</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="exit">
+   <property name="geometry">
+    <rect>
+     <x>170</x>
+     <y>290</y>
+     <width>81</width>
+     <height>40</height>
+    </rect>
+   </property>
+   <property name="minimumSize">
+    <size>
+     <width>0</width>
+     <height>40</height>
+    </size>
+   </property>
+   <property name="maximumSize">
+    <size>
+     <width>100</width>
+     <height>16777215</height>
+    </size>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(64, 145, 252, 255), 
+stop:1 rgbargb(255, 170, 127));
+color: rgb(255, 255, 255);
+ 
+border:0px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 20pt &quot;Candara&quot;;</string>
+   </property>
+   <property name="text">
+    <string>返回</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="login_2">
+   <property name="geometry">
+    <rect>
+     <x>30</x>
+     <y>290</y>
+     <width>81</width>
+     <height>40</height>
+    </rect>
+   </property>
+   <property name="minimumSize">
+    <size>
+     <width>0</width>
+     <height>40</height>
+    </size>
+   </property>
+   <property name="maximumSize">
+    <size>
+     <width>100</width>
+     <height>16777215</height>
+    </size>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(64, 145, 252, 255), 
+stop:1 rgbargb(255, 170, 127));
+color: rgb(255, 255, 255);
+ 
+border:0px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 20pt &quot;Candara&quot;;</string>
+   </property>
+   <property name="text">
+    <string>登录</string>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label">
+   <property name="geometry">
+    <rect>
+     <x>90</x>
+     <y>90</y>
+     <width>201</width>
+     <height>61</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <family>微软雅黑</family>
+     <pointsize>24</pointsize>
+     <weight>9</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">font: 75 24pt &quot;微软雅黑&quot;;</string>
+   </property>
+   <property name="text">
+    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p align=&quot;center&quot;&gt;阳光小区欢迎您！&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

park/main.cpp

@@ -0,0 +1,40 @@
+#include "widget.h"
+#include <QApplication>
+#include "login.h"
+#include "ai.h"
+#include <QSqlDatabase>
+#include <QMessageBox>
+#include "choose.h"
+
+
+int main(int argc, char *argv[])
+{
+
+    if(QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
+        QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+    QApplication a(argc, argv); // 放在这一句的前面
+
+    // 创建并打开数据库连接
+    QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE", "text01");
+    db.setDatabaseName("D:\\parking\\sqlite-tools-win-x64-3470200\\test01.db");
+
+    if (!db.open()) {
+        QMessageBox::critical(nullptr, "错误", "数据库连接失败！");
+        return -1; // 连接失败，程序退出
+    }
+
+    qDebug() << "数据库连接成功！";
+
+    choose c;
+    c.setWindowTitle("角色选择");
+    c.show();
+
+
+//    login l;
+//    l.setWindowTitle("登录");
+//    l.show();
+
+
+
+    return a.exec();
+}

park/marketing.cpp

@@ -0,0 +1,143 @@
+#include "marketing.h"
+#include "choose.h"
+
+#include <QVBoxLayout>
+#include <QPushButton>
+#include <QPixmap>
+#include <QResizeEvent>
+
+marketing::marketing(QWidget *parent, choose *choosePage) :
+    QWidget(parent),
+    choosePage(choosePage)
+{
+    // 设置窗口大小
+    resize(600, 420);
+    setMinimumSize(600, 420);
+    setMaximumSize(600, 420);
+
+    // 垂直布局
+    QVBoxLayout *layout = new QVBoxLayout(this);
+    layout->setContentsMargins(0, 0, 0, 0);
+    layout->setSpacing(0);
+
+    // 背景图片
+    imageLabel = new QLabel(this);
+    originalPixmap.load(":/marketing.jpg");
+    if (!originalPixmap.isNull()) {
+        imageLabel->setPixmap(originalPixmap.scaled(size(), Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation));
+    } else {
+        imageLabel->setText("图片加载失败");
+        imageLabel->setAlignment(Qt::AlignCenter);
+    }
+    imageLabel->setScaledContents(true);
+    imageLabel->setAlignment(Qt::AlignCenter);
+    layout->addWidget(imageLabel);
+    setLayout(layout);
+
+    // 公告文本框
+    announcementEdit = new QTextEdit(this);
+    announcementEdit->setText("停车场公告：\n"
+                              "1. 请规范停放，车身完全入位，勿占消防通道、应急出口及他人专属车位。\n"
+                              "2. 勿在车内存放现金、首饰等贵重物品，锁车后确认门窗是否关好。\n"
+                              "3. 场内禁鸣笛、限速5km/h，儿童与宠物需成人全程看护。\n"
+                              "4. 若遇车辆剐蹭、设备故障，联系管理员（电话：88888888）协助处理。\n"
+                              "5. 遇暴雨、大风等恶劣天气，建议选择地下停车场或空旷且安全区域，避免车辆受损。\n"
+                              "感谢您的理解与配合，祝您出行平安！");
+    announcementEdit->setFixedSize(420, 250);
+    announcementEdit->setStyleSheet(
+        "QTextEdit {"
+        "  font: 12px '微软雅黑';"
+        "  padding: 10px;"
+        "  background: rgba(255, 255, 255, 0);" // 背景透明
+        "  color: #000000;"                     // 文字颜色
+        "  border: none;"                        // 边框透明
+        "  border-radius: 10px;"                 // 圆角可选
+        "}"
+        "QTextEdit:focus {"
+        "  outline: none;"                        // 聚焦时去掉蓝框
+        "  border: none;"                         // 聚焦时边框也透明
+        "}"
+    );
+
+    announcementEdit->raise();
+
+    // 发布按钮
+    sendButton = new QPushButton("发布", this);
+    sendButton->setFixedSize(80, 40);
+    sendButton->setStyleSheet(
+        "QPushButton {"
+        "  background-color: qlineargradient(x1:0, y1:0, x2:1, y2:1,"
+        "                                    stop:0 #a0d8ef, stop:1 #70b8d6);"
+        "  color: white;"
+        "  font: bold 16px '微软雅黑';"
+        "  border-radius: 10px;"
+        "}"
+        "QPushButton:hover {"
+        "  background-color: qlineargradient(x1:0, y1:0, x2:1, y2:1,"
+        "                                    stop:0 #70b8d6, stop:1 #a0d8ef);"
+        "}"
+    );
+    sendButton->raise();
+
+    // 返回按钮
+    backButton = new QPushButton("返回", this);
+    backButton->setFixedSize(70, 35);
+    backButton->setStyleSheet(
+        "QPushButton {"
+        "  background-color: qlineargradient(x1:0, y1:0, x2:1, y2:1,"
+        "                                    stop:0 #cdebb0, stop:1 #a8d88c);"
+        "  color: white;"
+        "  font: bold 15px '微软雅黑';"
+        "  border-radius: 8px;"
+        "}"
+        "QPushButton:hover {"
+        "  background-color: qlineargradient(x1:0, y1:0, x2:1, y2:1,"
+        "                                    stop:0 #a8d88c, stop:1 #cdebb0);"
+        "}"
+    );
+    backButton->raise();
+
+    // 发布按钮点击
+    connect(sendButton, &QPushButton::clicked, this, [=]() {
+        if (choosePage && !announcementEdit->toPlainText().isEmpty()) {
+            choosePage->setAnnouncementText(announcementEdit->toPlainText());
+        }
+    });
+
+    // 返回按钮点击
+    connect(backButton, &QPushButton::clicked, this, [=]() {
+        if (choosePage) {
+            choosePage->show();
+            this->hide();
+        }
+    });
+}
+
+void marketing::resizeEvent(QResizeEvent *event)
+{
+    QWidget::resizeEvent(event);
+
+    // 背景图片自适应
+    if (!originalPixmap.isNull()) {
+        imageLabel->setPixmap(originalPixmap.scaled(size(), Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation));
+    }
+
+    // 文本框偏移
+    int textboxX = (width() - announcementEdit->width()) / 2 - 10;
+    int textboxY = (height() - announcementEdit->height()) / 2 - 20;
+    announcementEdit->move(textboxX, textboxY);
+
+    // 发布按钮左下方
+    sendButton->move(
+        textboxX - sendButton->width() + 370,                     // x 坐标
+        textboxY + announcementEdit->height() - sendButton->height()/2 - 20  // y 坐标往上偏移 20
+    );
+
+    // 返回按钮左上角
+    backButton->move(15, 15);
+}
+
+marketing::~marketing()
+{
+    // QWidget 自动释放子控件，无需 delete
+}

park/marketing.h

@@ -0,0 +1,32 @@
+#ifndef MARKETING_H
+#define MARKETING_H
+
+#include <QWidget>
+#include <QPushButton>
+#include <QLabel>
+#include <QPixmap>
+#include <QTextEdit>
+
+class choose;  // 前置声明，避免循环依赖
+
+class marketing : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit marketing(QWidget *parent = nullptr, choose *choosePage = nullptr);
+    ~marketing();
+
+protected:
+    void resizeEvent(QResizeEvent *event) override;
+
+private:
+    QLabel *imageLabel;
+    QPushButton *sendButton;
+    QPushButton *backButton;
+    QTextEdit *announcementEdit;  // 改为 QTextEdit 支持多行
+    QPixmap originalPixmap;
+    choose *choosePage;           // 指向 choose 页面
+};
+
+#endif // MARKETING_H

park/marketing.ui

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>marketing</class>
+ <widget class="QWidget" name="marketing">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>600</width>
+    <height>420</height>
+   </rect>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>600</width>
+    <height>420</height>
+   </size>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>600</width>
+    <height>420</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

park/message.cpp

@@ -0,0 +1,98 @@
+#include "message.h"
+#include <QSqlQuery>
+#include <QNetworkRequest>
+#include <QString>
+#include <QDebug>
+#include <QDateTime>
+#include "widget.h"
+#include <QMessageBox>
+
+message::message()
+{
+}
+
+void message::mySlot(QString str)
+{
+    // 使用在 main 中创建的数据库连接
+    QSqlDatabase db = QSqlDatabase::database("text01");
+
+    if (!db.isOpen()) {
+        QMessageBox::warning(this, tr("警告！"), tr("数据库未打开！"), QMessageBox::Yes);
+        return;
+    }
+
+    // 查询空车位数量
+    QString temp_car = QString("select * from cnt where number='%1' ").arg("number_of_c");
+    QSqlQuery temp_query(db); // 使用 db 对象来执行查询
+    temp_query.exec(temp_car);
+    temp_query.next();
+    int temp_cnt = temp_query.value(1).toInt();
+    if (temp_cnt == 0) {
+        QMessageBox::warning(this, tr("警告！"), tr("停车场已无车位"), QMessageBox::Yes);
+    } else {
+        // 进入操作
+        QString number = QString("select * from message where number='%1' ").arg(str);
+        QSqlQuery query(db), query_1(db), query_2(db);
+        int times;
+        // 存储进入次数
+        if (query.exec(number) && query.next()) {
+            // 修改已有信息
+            times = query.value(1).toInt();
+            times++;
+            QString temp = QString("update message set times = '%1' where number = '%2'").arg(times).arg(str);
+            query.exec(temp);
+        } else {
+            // 第一次进入
+            QString s = QString("insert into message(number, times, total_time, pay) values('%1', '%2', '%3', '%4')")
+                            .arg(str).arg(1).arg(0).arg(0);
+            query_2.exec(s);
+        }
+
+        // 更改车场信息
+        temp_cnt--;
+        QString temp_change = QString("update cnt set cnt = '%1' where number = '%2'").arg(temp_cnt).arg("number_of_c");
+        temp_query.exec(temp_change);
+
+        // 获取当前时间
+        QDateTime dateTime(QDateTime::currentDateTime());
+        QString time = dateTime.toString("yyyy-MM-dd hh:mm:ss");
+
+        // 存储车牌和进入时间
+        QString ch = QString("insert into car_number(number, time) values('%1', '%2')").arg(str).arg(time);
+        query_1.exec(ch);
+    }
+}
+
+void message::Slot_out(QString str)
+{
+    // 使用在 main 中创建的数据库连接
+    QSqlDatabase db = QSqlDatabase::database("text01");
+
+    if (!db.isOpen()) {
+        QMessageBox::warning(this, tr("警告！"), tr("数据库未打开！"), QMessageBox::Yes);
+        return;
+    }
+
+    QString Str = QString("select * from car_number where number='%1' ").arg(str);
+    QSqlQuery query(db);
+    query.exec(Str);
+    query.next();
+    QString time = query.value(1).toString();
+    QDateTime time_1 = QDateTime::fromString(time, "yyyy-MM-dd hh:mm:ss");
+    QDateTime time_2 = QDateTime::currentDateTime();
+    int second = time_1.secsTo(time_2); // 计算时间差
+
+    // 删除数据库中车牌号
+    QString a = QString("delete from car_number where number = '%1'").arg(str);
+    query.exec(a);
+
+    // 更改车场信息
+    QString temp_car = QString("select * from cnt where number='%1' ").arg("number_of_c");
+    QSqlQuery temp_query(db);
+    temp_query.exec(temp_car);
+    temp_query.next();
+    int temp_cnt = temp_query.value(1).toInt();
+    temp_cnt++;
+    QString temp_change = QString("update cnt set cnt = '%1' where number = '%2'").arg(temp_cnt).arg("number_of_c");
+    temp_query.exec(temp_change);
+}

park/message.h

@@ -0,0 +1,28 @@
+#ifndef MESSAGE_H
+#define MESSAGE_H
+#include <QWidget>
+#include <QObject>
+#include <QLabel>
+
+class ai;
+class cost;
+class message:public QWidget
+{
+    Q_OBJECT
+public:
+
+    message();
+
+
+public slots:
+    void mySlot(QString str);
+    void Slot_out(QString str);
+
+signals:
+    void Signal_cost(int time,QString number);
+
+private:
+    cost *cos;
+};
+
+#endif // MESSAGE_H

park/music.qrc

@@ -0,0 +1 @@
+<RCC/>

park/number_of_car.cpp

@@ -0,0 +1,55 @@
+#include "number_of_car.h"
+#include "ui_number_of_car.h"
+#include <QSqlQuery>
+#include <QNetworkRequest>
+#include <QDebug>
+#include <QMessageBox>
+#include <QMovie> // 包含QMovie的头文件
+
+number_of_car::number_of_car(QWidget *parent) : QDialog(parent),
+                                                ui(new Ui::number_of_car)
+{
+    ui->setupUi(this);
+    this->setWindowTitle("车场信息");
+
+    //动图
+    QMovie *movie = new QMovie(":/car.png");
+    ui->label_3->setMovie(movie);
+    movie->start();
+
+    this->setWindowFlags(Qt::WindowCloseButtonHint | Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint);
+
+}
+
+number_of_car::~number_of_car()
+{
+    delete ui;
+}
+
+void number_of_car::on_pushButton_clicked()
+{
+    this->close();
+}
+
+void number_of_car::cnt_slot()
+{
+
+    // 使用在 main 中创建的数据库连接，获取当前车场内车辆数
+    QSqlDatabase db = QSqlDatabase::database("text01");
+
+    if (!db.isOpen()) {
+        QMessageBox::warning(this, tr("警告！"), tr("数据库未打开！"), QMessageBox::Yes);
+        return;
+    }
+
+    QString str = QString("select * from cnt where number='%1' ").arg("number_of_c");
+    QSqlQuery query(db);
+    query.exec(str);
+    query.next();
+    int cnt = query.value(1).toInt();
+    QString cnt_str_1 = QString::number(cnt);
+    QString cnt_str_2 = QString::number(100 - cnt);
+    // 显示信息
+    ui->textBrowser->setText(cnt_str_1);
+    ui->textBrowser_2->setText(cnt_str_2);
+}

park/number_of_car.h

@@ -0,0 +1,26 @@
+#ifndef NUMBER_OF_CAR_H
+#define NUMBER_OF_CAR_H
+
+#include <QDialog>
+
+namespace Ui {
+class number_of_car;
+}
+
+class number_of_car : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit number_of_car(QWidget *parent = nullptr);
+    ~number_of_car();
+
+private slots:
+    void on_pushButton_clicked();
+    void cnt_slot();
+
+private:
+    Ui::number_of_car *ui;
+};
+
+#endif // NUMBER_OF_CAR_H

park/number_of_car.ui

@@ -0,0 +1,221 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>number_of_car</class>
+ <widget class="QDialog" name="number_of_car">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>600</width>
+    <height>420</height>
+   </rect>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>600</width>
+    <height>420</height>
+   </size>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>600</width>
+    <height>420</height>
+   </size>
+  </property>
+  <property name="mouseTracking">
+   <bool>false</bool>
+  </property>
+  <property name="acceptDrops">
+   <bool>false</bool>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <property name="styleSheet">
+   <string notr="true">background-color: rgb(255, 255, 255);</string>
+  </property>
+  <widget class="QLabel" name="label_3">
+   <property name="geometry">
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+     <x>0</x>
+     <y>-10</y>
+     <width>601</width>
+     <height>431</height>
+    </rect>
+   </property>
+   <property name="text">
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+   </property>
+   <property name="scaledContents">
+    <bool>true</bool>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton">
+   <property name="geometry">
+    <rect>
+     <x>200</x>
+     <y>120</y>
+     <width>71</width>
+     <height>31</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <family>Candara</family>
+     <pointsize>16</pointsize>
+     <weight>50</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(255, 207, 255, 255), 
+stop:1 rgbargb(255, 255, 255));
+ 
+border:0px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 16pt &quot;Candara&quot;;</string>
+   </property>
+   <property name="text">
+    <string>返回</string>
+   </property>
+  </widget>
+  <widget class="QTextBrowser" name="textBrowser">
+   <property name="geometry">
+    <rect>
+     <x>140</x>
+     <y>20</y>
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+     <height>41</height>
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+   </property>
+   <property name="maximumSize">
+    <size>
+     <width>16777215</width>
+     <height>100</height>
+    </size>
+   </property>
+   <property name="font">
+    <font>
+     <family>微软雅黑</family>
+     <pointsize>12</pointsize>
+     <weight>50</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(255, 220, 255, 255), 
+stop:1 rgbargb(179, 226, 255));
+border:1px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 12pt &quot;微软雅黑&quot;;
+
+</string>
+   </property>
+  </widget>
+  <widget class="QTextBrowser" name="textBrowser_2">
+   <property name="geometry">
+    <rect>
+     <x>140</x>
+     <y>70</y>
+     <width>141</width>
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+    </rect>
+   </property>
+   <property name="maximumSize">
+    <size>
+     <width>16777215</width>
+     <height>100</height>
+    </size>
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+    <font>
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+     <pointsize>12</pointsize>
+     <weight>50</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(255, 220, 255, 255), 
+stop:1 rgbargb(179, 226, 255));
+border:1px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 12pt &quot;微软雅黑&quot;;
+
+</string>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label_2">
+   <property name="geometry">
+    <rect>
+     <x>40</x>
+     <y>70</y>
+     <width>91</width>
+     <height>41</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <family>微软雅黑</family>
+     <pointsize>12</pointsize>
+     <weight>50</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(255, 220, 255, 255), 
+stop:1 rgbargb(179, 226, 255));
+border:1px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 12pt &quot;微软雅黑&quot;;
+
+</string>
+   </property>
+   <property name="text">
+    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p align=&quot;center&quot;&gt;停车场车辆：&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label">
+   <property name="geometry">
+    <rect>
+     <x>40</x>
+     <y>20</y>
+     <width>91</width>
+     <height>41</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <family>微软雅黑</family>
+     <pointsize>12</pointsize>
+     <weight>50</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(255, 220, 255, 255), 
+stop:1 rgbargb(179, 226, 255));
+border:1px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 12pt &quot;微软雅黑&quot;;
+
+</string>
+   </property>
+   <property name="text">
+    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p align=&quot;center&quot;&gt;空位数：&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

park/park.pro

@@ -0,0 +1,73 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2022-08-17T19:06:56
+#
+#-------------------------------------------------
+
+QT       += core gui network texttospeech
+QT += sql
+QT += network
+QT += texttospeech
+
+
+INCLUDEPATH += D:/sparking111dui/OpenSSL-Win64/include
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+TARGET = park
+TEMPLATE = app
+
+# The following define makes your compiler emit warnings if you use
+# any feature of Qt which has been marked as deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if you use deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+
+SOURCES += \
+    choose.cpp \
+        main.cpp \
+    marketing.cpp \
+        widget.cpp \
+    login.cpp \
+    ai.cpp \
+    sign_in.cpp \
+    message.cpp \
+    number_of_car.cpp \
+    serch.cpp
+
+HEADERS += \
+    choose.h \
+    login.h \
+    marketing.h \
+        widget.h \
+    ai.h \
+    sign_in.h \
+    message.h \
+    number_of_car.h \
+    serch.h
+
+FORMS += \
+    choose.ui \
+    marketing.ui \
+        widget.ui \
+    login.ui \
+    ai.ui \
+    sign_in.ui \
+    number_of_car.ui \
+    serch.ui
+
+RESOURCES += \
+    images.qrc
+
+INCLUDEPATH += D:\sparking111dui\111\OpenSSL-Win64\include
+
+LIBS    += D:\sparking111dui\111\OpenSSL-Win64\lib\libeay32.lib \
+           D:\sparking111dui\111\OpenSSL-Win64\lib\ssleay32.lib
+
+QT += multimedia
+

park/park.pro.user

@@ -0,0 +1,598 @@
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+    <value type="bool" key="Analyzer.Valgrind.Callgrind.EnableBranchSim">false</value>
+    <value type="bool" key="Analyzer.Valgrind.Callgrind.EnableCacheSim">false</value>
+    <value type="bool" key="Analyzer.Valgrind.Callgrind.EnableEventToolTips">true</value>
+    <value type="double" key="Analyzer.Valgrind.Callgrind.MinimumCostRatio">0.01</value>
+    <value type="double" key="Analyzer.Valgrind.Callgrind.VisualisationMinimumCostRatio">10</value>
+    <value type="bool" key="Analyzer.Valgrind.FilterExternalIssues">true</value>
+    <value type="int" key="Analyzer.Valgrind.LeakCheckOnFinish">1</value>
+    <value type="int" key="Analyzer.Valgrind.NumCallers">25</value>
+    <valuelist type="QVariantList" key="Analyzer.Valgrind.RemovedSuppressionFiles"/>
+    <value type="int" key="Analyzer.Valgrind.SelfModifyingCodeDetection">1</value>
+    <value type="bool" key="Analyzer.Valgrind.Settings.UseGlobalSettings">true</value>
+    <value type="bool" key="Analyzer.Valgrind.ShowReachable">false</value>
+    <value type="bool" key="Analyzer.Valgrind.TrackOrigins">true</value>
+    <value type="QString" key="Analyzer.Valgrind.ValgrindExecutable">valgrind</value>
+    <valuelist type="QVariantList" key="Analyzer.Valgrind.VisibleErrorKinds">
+     <value type="int">0</value>
+     <value type="int">1</value>
+     <value type="int">2</value>
+     <value type="int">3</value>
+     <value type="int">4</value>
+     <value type="int">5</value>
+     <value type="int">6</value>
+     <value type="int">7</value>
+     <value type="int">8</value>
+     <value type="int">9</value>
+     <value type="int">10</value>
+     <value type="int">11</value>
+     <value type="int">12</value>
+     <value type="int">13</value>
+     <value type="int">14</value>
+    </valuelist>
+    <value type="int" key="PE.EnvironmentAspect.Base">2</value>
+    <valuelist type="QVariantList" key="PE.EnvironmentAspect.Changes"/>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">park</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName"></value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">Qt4ProjectManager.Qt4RunConfiguration:C:/Users/86176/Desktop/QT/park/park.pro</value>
+    <value type="bool" key="QmakeProjectManager.QmakeRunConfiguration.UseLibrarySearchPath">true</value>
+    <value type="QString" key="Qt4ProjectManager.Qt4RunConfiguration.CommandLineArguments"></value>
+    <value type="QString" key="Qt4ProjectManager.Qt4RunConfiguration.ProFile">park.pro</value>
+    <value type="bool" key="Qt4ProjectManager.Qt4RunConfiguration.UseDyldImageSuffix">false</value>
+    <value type="QString" key="Qt4ProjectManager.Qt4RunConfiguration.UserWorkingDirectory"></value>
+    <value type="QString" key="Qt4ProjectManager.Qt4RunConfiguration.UserWorkingDirectory.default">C:/Users/86176/Desktop/QT/build-park-Desktop_Qt_5_10_0_MinGW_32bit-Debug</value>
+    <value type="uint" key="RunConfiguration.QmlDebugServerPort">3768</value>
+    <value type="bool" key="RunConfiguration.UseCppDebugger">false</value>
+    <value type="bool" key="RunConfiguration.UseCppDebuggerAuto">true</value>
+    <value type="bool" key="RunConfiguration.UseMultiProcess">false</value>
+    <value type="bool" key="RunConfiguration.UseQmlDebugger">false</value>
+    <value type="bool" key="RunConfiguration.UseQmlDebuggerAuto">true</value>
+   </valuemap>
+   <value type="int" key="ProjectExplorer.Target.RunConfigurationCount">1</value>
+  </valuemap>
+ </data>
+ <data>
+  <variable>ProjectExplorer.Project.TargetCount</variable>
+  <value type="int">1</value>
+ </data>
+ <data>
+  <variable>ProjectExplorer.Project.Updater.FileVersion</variable>
+  <value type="int">18</value>
+ </data>
+ <data>
+  <variable>Version</variable>
+  <value type="int">18</value>
+ </data>
+</qtcreator>

park/register.cpp

@@ -0,0 +1,14 @@
+#include "rgt.h"
+#include "ui_register.h"
+
+register::register(QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::register)
+{
+    ui->setupUi(this);
+}
+
+register::~register()
+{
+delete ui;
+}

park/register.ui

@@ -0,0 +1,119 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>register</class>
+ <widget class="QWidget" name="register">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>385</width>
+    <height>324</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <widget class="QWidget" name="">
+   <property name="geometry">
+    <rect>
+     <x>50</x>
+     <y>30</y>
+     <width>291</width>
+     <height>141</height>
+    </rect>
+   </property>
+   <layout class="QHBoxLayout" name="horizontalLayout">
+    <item>
+     <layout class="QVBoxLayout" name="verticalLayout">
+      <item>
+       <widget class="QLabel" name="label">
+        <property name="font">
+         <font>
+          <pointsize>15</pointsize>
+         </font>
+        </property>
+        <property name="text">
+         <string>用户名</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLabel" name="label_2">
+        <property name="font">
+         <font>
+          <pointsize>15</pointsize>
+         </font>
+        </property>
+        <property name="text">
+         <string>密码</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </item>
+    <item>
+     <layout class="QVBoxLayout" name="verticalLayout_2">
+      <item>
+       <widget class="QLineEdit" name="lineEdit"/>
+      </item>
+      <item>
+       <widget class="QLineEdit" name="lineEdit_2"/>
+      </item>
+     </layout>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QWidget" name="">
+   <property name="geometry">
+    <rect>
+     <x>50</x>
+     <y>190</y>
+     <width>301</width>
+     <height>81</height>
+    </rect>
+   </property>
+   <layout class="QHBoxLayout" name="horizontalLayout_2">
+    <item>
+     <widget class="QPushButton" name="pushButton">
+      <property name="minimumSize">
+       <size>
+        <width>0</width>
+        <height>50</height>
+       </size>
+      </property>
+      <property name="maximumSize">
+       <size>
+        <width>100</width>
+        <height>16777215</height>
+       </size>
+      </property>
+      <property name="text">
+       <string>注册</string>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QPushButton" name="pushButton_2">
+      <property name="minimumSize">
+       <size>
+        <width>0</width>
+        <height>50</height>
+       </size>
+      </property>
+      <property name="maximumSize">
+       <size>
+        <width>100</width>
+        <height>16777215</height>
+       </size>
+      </property>
+      <property name="text">
+       <string>退出</string>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

park/rgt.h

@@ -0,0 +1,22 @@
+#ifndef REGISTER_H
+#define REGISTER_H
+
+#include <QWidget>
+
+namespace Ui {
+class register;
+}
+
+class register : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit register(QWidget *parent = 0);
+    ~register();
+
+private:
+    Ui::register *ui;
+};
+
+#endif // REGISTER_H

park/serch.cpp

@@ -0,0 +1,90 @@
+#include "serch.h"
+#include "ui_serch.h"
+#include <QSqlQuery>
+#include <QMessageBox>
+#include <QSqlDatabase>
+#include <QDebug>
+#include <QGraphicsDropShadowEffect> //设置阴影
+
+serch::serch(QWidget *parent) : QDialog(parent),
+                                ui(new Ui::serch)
+{
+    ui->setupUi(this);
+    this->setWindowTitle("查询");
+
+    //插入图片
+    QPixmap tian(":/tian.png");
+    ui->label_4->setPixmap(tian);
+    //设置阴影
+    QGraphicsDropShadowEffect *shadow = new QGraphicsDropShadowEffect(this);
+    shadow->setOffset(-3, 0);
+    shadow->setColor(QColor("#aaffff"));
+    shadow->setBlurRadius(80);
+    ui->label_4->setGraphicsEffect(shadow);
+
+    // 确保数据库连接已经成功建立
+    QSqlDatabase db = QSqlDatabase::database("text01", false);  // 使用已共享的数据库连接
+    if (!db.isOpen()) {
+        QMessageBox::critical(this, "错误", "数据库未连接成功！");
+        return;
+    }
+
+    this->setWindowFlags(Qt::WindowCloseButtonHint | Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint);
+
+}
+
+serch::~serch()
+{
+    // 可以选择在这里显式关闭数据库连接
+    QSqlDatabase::database("text01").close();
+    delete ui;
+}
+
+void serch::on_pushButton_2_clicked()
+{
+    // 清除查询条件和显示区域
+    ui->lineEdit->clear();
+    ui->textBrowser_4->clear();
+    ui->textBrowser_5->clear();
+    this->close();
+}
+
+void serch::on_pushButton_clicked()
+{
+    // 获取用户输入的车辆号码
+    QString str = ui->lineEdit->text();
+
+    if (str.isEmpty()) {
+        QMessageBox::warning(this, "警告", "请输入车辆号码！");
+        return;
+    }
+
+    // 获取共享的数据库连接
+    QSqlDatabase db = QSqlDatabase::database("text01", false);
+    if (!db.isOpen()) {
+        QMessageBox::critical(this, "错误", "数据库未连接成功！");
+        return;
+    }
+
+    // 查询语句
+    QString temp = QString("SELECT * FROM message WHERE number='%1'").arg(str);
+    QSqlQuery query(db);  // 使用数据库连接 db
+    if (query.exec(temp) && query.next()) {
+        // 数据库查询成功，获取并显示数据
+        int t = query.value(1).toInt(); // 假设字段顺序是：t, m
+        int m = query.value(2).toInt();
+
+        QString times = QString::number(t);
+        QString total_time = QString::number(m);
+
+        ui->textBrowser_4->setText(times);
+        ui->textBrowser_5->setText(total_time);
+    }
+    else {
+        // 查询失败，显示警告
+        QMessageBox::warning(this, "警告", "车辆未进入过停车场！", QMessageBox::Yes);
+        ui->lineEdit->clear();
+        ui->textBrowser_4->clear();
+        ui->textBrowser_5->clear();
+    }
+}

park/serch.h

@@ -0,0 +1,26 @@
+#ifndef SERCH_H
+#define SERCH_H
+
+#include <QDialog>
+
+namespace Ui {
+class serch;
+}
+
+class serch : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit serch(QWidget *parent = nullptr);
+    ~serch();
+
+private slots:
+    void on_pushButton_2_clicked();
+    void on_pushButton_clicked();
+
+private:
+    Ui::serch *ui;
+};
+
+#endif // SERCH_H

park/serch.ui

@@ -0,0 +1,333 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>serch</class>
+ <widget class="QDialog" name="serch">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>600</width>
+    <height>420</height>
+   </rect>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>600</width>
+    <height>420</height>
+   </size>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>600</width>
+    <height>420</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <property name="styleSheet">
+   <string notr="true">background-color: rgb(255, 255, 255);</string>
+  </property>
+  <widget class="QLabel" name="label_4">
+   <property name="geometry">
+    <rect>
+     <x>300</x>
+     <y>0</y>
+     <width>300</width>
+     <height>420</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string/>
+   </property>
+   <property name="scaledContents">
+    <bool>true</bool>
+   </property>
+  </widget>
+  <widget class="QWidget" name="layoutWidget">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>310</y>
+     <width>271</width>
+     <height>81</height>
+    </rect>
+   </property>
+   <property name="minimumSize">
+    <size>
+     <width>50</width>
+     <height>50</height>
+    </size>
+   </property>
+   <property name="maximumSize">
+    <size>
+     <width>143434</width>
+     <height>16777215</height>
+    </size>
+   </property>
+   <layout class="QHBoxLayout" name="horizontalLayout_2">
+    <item>
+     <widget class="QPushButton" name="pushButton">
+      <property name="minimumSize">
+       <size>
+        <width>81</width>
+        <height>40</height>
+       </size>
+      </property>
+      <property name="maximumSize">
+       <size>
+        <width>81</width>
+        <height>40</height>
+       </size>
+      </property>
+      <property name="font">
+       <font>
+        <family>Candara</family>
+        <pointsize>16</pointsize>
+        <weight>50</weight>
+        <italic>false</italic>
+        <bold>false</bold>
+       </font>
+      </property>
+      <property name="styleSheet">
+       <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(200, 255, 190, 255), 
+stop:1 rgbargb(255, 255, 255));
+
+ 
+border:0px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 16pt &quot;Candara&quot;;</string>
+      </property>
+      <property name="text">
+       <string>查询</string>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QPushButton" name="pushButton_2">
+      <property name="minimumSize">
+       <size>
+        <width>75</width>
+        <height>40</height>
+       </size>
+      </property>
+      <property name="maximumSize">
+       <size>
+        <width>81</width>
+        <height>16777215</height>
+       </size>
+      </property>
+      <property name="font">
+       <font>
+        <family>Candara</family>
+        <pointsize>16</pointsize>
+        <weight>50</weight>
+        <italic>false</italic>
+        <bold>false</bold>
+       </font>
+      </property>
+      <property name="styleSheet">
+       <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(200, 255, 190, 255), 
+stop:1 rgbargb(255, 255, 255));
+
+ 
+border:0px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 16pt &quot;Candara&quot;;</string>
+      </property>
+      <property name="text">
+       <string>返回</string>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QLabel" name="label_3">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>230</y>
+     <width>131</width>
+     <height>31</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <family>微软雅黑</family>
+     <pointsize>18</pointsize>
+     <weight>50</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">font: 18pt &quot;微软雅黑&quot;;</string>
+   </property>
+   <property name="text">
+    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p align=&quot;center&quot;&gt;停车时长(分钟)：&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+   </property>
+  </widget>
+  <widget class="QTextBrowser" name="textBrowser_5">
+   <property name="geometry">
+    <rect>
+     <x>70</x>
+     <y>260</y>
+     <width>200</width>
+     <height>40</height>
+    </rect>
+   </property>
+   <property name="maximumSize">
+    <size>
+     <width>16777215</width>
+     <height>40</height>
+    </size>
+   </property>
+   <property name="font">
+    <font>
+     <family>微软雅黑</family>
+     <pointsize>12</pointsize>
+     <weight>50</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(254, 255, 190, 255), 
+stop:1 rgbargb(170, 255, 255));
+border:1px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 12pt &quot;微软雅黑&quot;;
+
+</string>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label_2">
+   <property name="geometry">
+    <rect>
+     <x>-10</x>
+     <y>130</y>
+     <width>141</width>
+     <height>31</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <family>微软雅黑</family>
+     <pointsize>18</pointsize>
+     <weight>50</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">font: 18pt &quot;微软雅黑&quot;;</string>
+   </property>
+   <property name="text">
+    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p align=&quot;center&quot;&gt;进入次数:&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+   </property>
+  </widget>
+  <widget class="QTextBrowser" name="textBrowser_4">
+   <property name="geometry">
+    <rect>
+     <x>70</x>
+     <y>160</y>
+     <width>200</width>
+     <height>40</height>
+    </rect>
+   </property>
+   <property name="maximumSize">
+    <size>
+     <width>16777215</width>
+     <height>16777215</height>
+    </size>
+   </property>
+   <property name="font">
+    <font>
+     <family>微软雅黑</family>
+     <pointsize>12</pointsize>
+     <weight>50</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(254, 255, 190, 255), 
+stop:1 rgbargb(170, 255, 255));
+border:1px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 12pt &quot;微软雅黑&quot;;
+
+</string>
+   </property>
+  </widget>
+  <widget class="QLineEdit" name="lineEdit">
+   <property name="geometry">
+    <rect>
+     <x>70</x>
+     <y>60</y>
+     <width>200</width>
+     <height>40</height>
+    </rect>
+   </property>
+   <property name="maximumSize">
+    <size>
+     <width>16777215</width>
+     <height>16777215</height>
+    </size>
+   </property>
+   <property name="font">
+    <font>
+     <family>微软雅黑</family>
+     <pointsize>12</pointsize>
+     <weight>50</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(254, 255, 190, 255), 
+stop:1 rgbargb(170, 255, 255));
+border:1px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 12pt &quot;微软雅黑&quot;;
+
+</string>
+   </property>
+   <property name="placeholderText">
+    <string>请输入车牌号</string>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>30</y>
+     <width>101</width>
+     <height>21</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <family>微软雅黑</family>
+     <pointsize>18</pointsize>
+     <weight>50</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">font: 18pt &quot;微软雅黑&quot;;</string>
+   </property>
+   <property name="text">
+    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p align=&quot;center&quot;&gt;车牌号:&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

park/sign_in.cpp

@@ -0,0 +1,85 @@
+#include "sign_in.h"
+#include "ui_sign_in.h"
+#include <QMessageBox>
+#include <QSqlQuery>
+#include <QString>
+#include <QDebug>
+#include <QGraphicsDropShadowEffect> //设置阴影
+
+sign_in::sign_in(QWidget *parent) : QDialog(parent),
+                                    ui(new Ui::sign_in)
+{
+    ui->setupUi(this);
+    this->setWindowTitle("注册");
+
+    // 使用在 main 中创建的数据库连接
+    QSqlDatabase db = QSqlDatabase::database("text01");
+
+    if (!db.isOpen()) {
+        QMessageBox::warning(this, "警告", "数据库连接失败");
+    } else {
+        qDebug() << "数据库连接成功！";
+    }
+
+    //插入图片
+    QPixmap house(":/house.jpg");
+    ui->label_3->setPixmap(house);
+
+    //设置阴影
+    QGraphicsDropShadowEffect *shadow = new QGraphicsDropShadowEffect(this);
+    shadow->setOffset(-3, 0);
+    shadow->setColor(QColor("#888888"));
+    shadow->setBlurRadius(30);
+    ui->label_3->setGraphicsEffect(shadow);
+
+    this->setWindowFlags(Qt::WindowCloseButtonHint | Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint);
+
+}
+
+sign_in::~sign_in()
+{
+    delete ui;
+}
+
+void sign_in::on_pushButton_2_clicked()
+{
+    this->close();
+}
+
+void sign_in::on_pushButton_clicked()
+{
+    QString namestr = ui->lineEdit->text();
+    QString password = ui->lineEdit_2->text();
+
+    // 使用在 main 中创建的数据库连接
+    QSqlDatabase db = QSqlDatabase::database("text01");
+
+    if (!db.isOpen()) {
+        QMessageBox::warning(this, tr("警告！"), tr("数据库未打开！"), QMessageBox::Yes);
+        return;
+    }
+
+    QSqlQuery query(db);
+    QString userQuery = QString("select * from user where name='%1' ").arg(namestr);
+    if (query.exec(userQuery) && query.next()) {
+        QMessageBox::warning(this, tr("警告！"), tr("用户名已存在！"), QMessageBox::Yes);
+        ui->lineEdit->clear();
+        ui->lineEdit_2->clear();
+        ui->lineEdit->setFocus();
+    } else {
+        if (namestr == "" || password == "") {
+            QMessageBox::warning(this, tr("警告！"), tr("用户名或密码不能为空！"), QMessageBox::Yes);
+            ui->lineEdit->clear();
+            ui->lineEdit_2->clear();
+            ui->lineEdit->setFocus();
+        } else {
+            QString insertStr = QString("insert into user(name, pass) values('%1', '%2')").arg(namestr).arg(password);
+            if (query.exec(insertStr)) {
+
+                close();
+            } else {
+                QMessageBox::warning(this, tr("警告！"), tr("注册失败！"), QMessageBox::Yes);
+            }
+        }
+    }
+}

park/sign_in.h

@@ -0,0 +1,27 @@
+#ifndef SIGN_IN_H
+#define SIGN_IN_H
+
+#include <QDialog>
+
+namespace Ui {
+class sign_in;
+}
+
+class sign_in : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit sign_in(QWidget *parent = nullptr);
+    ~sign_in();
+
+private slots:
+    void on_pushButton_2_clicked();
+
+    void on_pushButton_clicked();
+
+private:
+    Ui::sign_in *ui;
+};
+
+#endif // SIGN_IN_H

park/sign_in.ui

@@ -0,0 +1,211 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>sign_in</class>
+ <widget class="QDialog" name="sign_in">
+  <property name="enabled">
+   <bool>true</bool>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>600</width>
+    <height>420</height>
+   </rect>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>600</width>
+    <height>420</height>
+   </size>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>600</width>
+    <height>520</height>
+   </size>
+  </property>
+  <property name="styleSheet">
+   <string notr="true">background-color: rgb(255, 255, 255);</string>
+  </property>
+  <widget class="QWidget" name="layoutWidget_2">
+   <property name="geometry">
+    <rect>
+     <x>300</x>
+     <y>260</y>
+     <width>271</width>
+     <height>111</height>
+    </rect>
+   </property>
+   <layout class="QHBoxLayout" name="horizontalLayout_2">
+    <item>
+     <widget class="QPushButton" name="pushButton">
+      <property name="minimumSize">
+       <size>
+        <width>81</width>
+        <height>40</height>
+       </size>
+      </property>
+      <property name="maximumSize">
+       <size>
+        <width>81</width>
+        <height>40</height>
+       </size>
+      </property>
+      <property name="styleSheet">
+       <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(64, 145, 252, 255), 
+stop:1 rgbargb(255, 170, 127));
+color: rgb(255, 255, 255);
+ 
+border:0px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 14pt &quot;Candara&quot;;</string>
+      </property>
+      <property name="text">
+       <string>注册</string>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QPushButton" name="pushButton_2">
+      <property name="minimumSize">
+       <size>
+        <width>81</width>
+        <height>40</height>
+       </size>
+      </property>
+      <property name="maximumSize">
+       <size>
+        <width>81</width>
+        <height>16777215</height>
+       </size>
+      </property>
+      <property name="styleSheet">
+       <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(64, 145, 252, 255), 
+stop:1 rgbargb(255, 170, 127));
+color: rgb(255, 255, 255);
+ 
+border:0px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 14pt &quot;Candara&quot;;</string>
+      </property>
+      <property name="text">
+       <string>返回</string>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QLineEdit" name="lineEdit">
+   <property name="geometry">
+    <rect>
+     <x>320</x>
+     <y>100</y>
+     <width>241</width>
+     <height>51</height>
+    </rect>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: rgb(247, 247, 247);
+border:1px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 10pt &quot;微软雅黑&quot;;</string>
+   </property>
+   <property name="placeholderText">
+    <string>由小写字母组成</string>
+   </property>
+  </widget>
+  <widget class="QLineEdit" name="lineEdit_2">
+   <property name="geometry">
+    <rect>
+     <x>320</x>
+     <y>210</y>
+     <width>241</width>
+     <height>51</height>
+    </rect>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">background-color: rgb(247, 247, 247);
+border:1px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 10pt &quot;微软雅黑&quot;;</string>
+   </property>
+   <property name="echoMode">
+    <enum>QLineEdit::Password</enum>
+   </property>
+   <property name="placeholderText">
+    <string>由数字组成</string>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label_3">
+   <property name="geometry">
+    <rect>
+     <x>-10</x>
+     <y>0</y>
+     <width>300</width>
+     <height>420</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string/>
+   </property>
+   <property name="scaledContents">
+    <bool>true</bool>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label">
+   <property name="geometry">
+    <rect>
+     <x>320</x>
+     <y>60</y>
+     <width>89</width>
+     <height>31</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <family>微软雅黑</family>
+     <pointsize>14</pointsize>
+     <weight>50</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">font: 14pt &quot;微软雅黑&quot;;</string>
+   </property>
+   <property name="text">
+    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p align=&quot;center&quot;&gt;用户名&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label_2">
+   <property name="geometry">
+    <rect>
+     <x>320</x>
+     <y>170</y>
+     <width>89</width>
+     <height>31</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <family>微软雅黑</family>
+     <pointsize>14</pointsize>
+     <weight>50</weight>
+     <italic>false</italic>
+     <bold>false</bold>
+    </font>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">font: 14pt &quot;微软雅黑&quot;;</string>
+   </property>
+   <property name="text">
+    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p align=&quot;center&quot;&gt;密码&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

park/signin.cpp

@@ -0,0 +1,14 @@
+#include "signin.h"
+#include "ui_signin.h"
+
+SignIn::SignIn(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::SignIn)
+{
+    ui->setupUi(this);
+}
+
+SignIn::~SignIn()
+{
+    delete ui;
+}

park/signin.h

@@ -0,0 +1,22 @@
+#ifndef SIGNIN_H
+#define SIGNIN_H
+
+#include <QDialog>
+
+namespace Ui {
+class SignIn;
+}
+
+class SignIn : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit SignIn(QWidget *parent = 0);
+    ~SignIn();
+
+private:
+    Ui::SignIn *ui;
+};
+
+#endif // SIGNIN_H

park/signin.ui

@@ -0,0 +1,119 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>SignIn</class>
+ <widget class="QDialog" name="SignIn">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <widget class="QWidget" name="layoutWidget">
+   <property name="geometry">
+    <rect>
+     <x>60</x>
+     <y>30</y>
+     <width>291</width>
+     <height>141</height>
+    </rect>
+   </property>
+   <layout class="QHBoxLayout" name="horizontalLayout">
+    <item>
+     <layout class="QVBoxLayout" name="verticalLayout">
+      <item>
+       <widget class="QLabel" name="label">
+        <property name="font">
+         <font>
+          <pointsize>15</pointsize>
+         </font>
+        </property>
+        <property name="text">
+         <string>用户名</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QLabel" name="label_2">
+        <property name="font">
+         <font>
+          <pointsize>15</pointsize>
+         </font>
+        </property>
+        <property name="text">
+         <string>密码</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </item>
+    <item>
+     <layout class="QVBoxLayout" name="verticalLayout_2">
+      <item>
+       <widget class="QLineEdit" name="lineEdit"/>
+      </item>
+      <item>
+       <widget class="QLineEdit" name="lineEdit_2"/>
+      </item>
+     </layout>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QWidget" name="layoutWidget_2">
+   <property name="geometry">
+    <rect>
+     <x>60</x>
+     <y>190</y>
+     <width>301</width>
+     <height>81</height>
+    </rect>
+   </property>
+   <layout class="QHBoxLayout" name="horizontalLayout_2">
+    <item>
+     <widget class="QPushButton" name="pushButton">
+      <property name="minimumSize">
+       <size>
+        <width>0</width>
+        <height>50</height>
+       </size>
+      </property>
+      <property name="maximumSize">
+       <size>
+        <width>100</width>
+        <height>16777215</height>
+       </size>
+      </property>
+      <property name="text">
+       <string>注册</string>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QPushButton" name="pushButton_2">
+      <property name="minimumSize">
+       <size>
+        <width>0</width>
+        <height>50</height>
+       </size>
+      </property>
+      <property name="maximumSize">
+       <size>
+        <width>100</width>
+        <height>16777215</height>
+       </size>
+      </property>
+      <property name="text">
+       <string>退出</string>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

park/widget.cpp

@@ -0,0 +1,82 @@
+#include "widget.h"
+#include "ui_widget.h"
+#include "ai.h"
+#include <QDebug>
+#include <QSqlQuery>
+#include <QNetworkRequest>
+#include <QPixmap>
+#include <QMovie> // 包含QMovie的头文件
+#include <QGraphicsDropShadowEffect> //设置阴影
+#include "choose.h"
+
+Widget::Widget(choose* cPage,QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::Widget),choosePage(cPage)
+{
+    ui->setupUi(this);
+    car_ai=new ai;
+
+    ser=new serch;
+
+    num=new number_of_car;
+    connect(this,SIGNAL(cnt_signal()),num,SLOT(cnt_slot()));
+    this->setWindowTitle("主界面");
+
+    //动图
+    QMovie *movie = new QMovie(":/huoche.png");
+    ui->label_1->setMovie(movie);
+    movie->start();
+
+    //设置阴影
+    QGraphicsDropShadowEffect *shadow = new QGraphicsDropShadowEffect(this);
+    shadow->setOffset(-3, 0);
+    shadow->setColor(QColor("#fcc9ff"));
+    shadow->setBlurRadius(80);
+    ui->label_1->setGraphicsEffect(shadow);
+
+    QMovie *movie2 = new QMovie(":/pig.gif");
+    ui->label_3->setMovie(movie2);
+    movie2->start();
+    connect(movie2, &QMovie::finished, [=]() {
+        // 当动画播放完成时，重新启动动画
+        movie2->start();
+    });
+
+
+}
+
+Widget::~Widget()
+{
+    delete ui;
+    delete car_ai;
+    delete ser;
+    delete rules;
+    delete num;
+}
+
+void Widget::on_pushButton_clicked()
+{
+    car_ai->show();
+}
+
+
+void Widget::on_pushButton_2_clicked()
+{
+    emit cnt_signal();
+    num->exec();
+
+}
+
+void Widget::on_pushButton_4_clicked()
+{
+    if (choosePage) {
+        choosePage->show(); // 显示已有 choose 页面，音乐不会重复
+        this->hide();
+    }
+
+}
+
+void Widget::on_pushButton_5_clicked()
+{
+    ser->exec();
+}

park/widget.h

@@ -0,0 +1,49 @@
+#ifndef WIDGET_H
+#define WIDGET_H
+
+#include <QWidget>
+#include "message.h"
+#include "ai.h"
+#include "number_of_car.h"
+#include "charge_rules.h"
+#include "serch.h"
+class choose;
+
+namespace Ui {
+class Widget;
+}
+class message;
+class ai;
+class Widget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit Widget(choose* cPage,QWidget *parent);
+    ~Widget();
+
+
+private slots:
+    void on_pushButton_clicked();
+
+    void on_pushButton_2_clicked();
+
+    void on_pushButton_4_clicked();
+
+    void on_pushButton_5_clicked();
+
+private:
+    Ui::Widget *ui;
+    ai *car_ai;
+    number_of_car *num;
+    cost *pay;
+    charge_rules *rules;
+    serch *ser;
+    choose* choosePage = nullptr;
+
+signals:
+    void cnt_signal();
+
+};
+
+#endif // WIDGET_H

park/widget.ui

@@ -0,0 +1,224 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Widget</class>
+ <widget class="QWidget" name="Widget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>600</width>
+    <height>420</height>
+   </rect>
+  </property>
+  <property name="minimumSize">
+   <size>
+    <width>600</width>
+    <height>420</height>
+   </size>
+  </property>
+  <property name="maximumSize">
+   <size>
+    <width>16777215</width>
+    <height>16777215</height>
+   </size>
+  </property>
+  <property name="windowTitle">
+   <string>Widget</string>
+  </property>
+  <property name="styleSheet">
+   <string notr="true">background-color: rgb(255, 255, 255);</string>
+  </property>
+  <widget class="QLabel" name="label_1">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>300</width>
+     <height>420</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string/>
+   </property>
+   <property name="scaledContents">
+    <bool>true</bool>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label_3">
+   <property name="geometry">
+    <rect>
+     <x>380</x>
+     <y>-20</y>
+     <width>281</width>
+     <height>221</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string/>
+   </property>
+   <property name="scaledContents">
+    <bool>true</bool>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label_2">
+   <property name="geometry">
+    <rect>
+     <x>320</x>
+     <y>110</y>
+     <width>151</width>
+     <height>41</height>
+    </rect>
+   </property>
+   <property name="styleSheet">
+    <string notr="true">color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(64, 145, 252, 255), 
+stop:1 rgbargb(255, 170, 127));
+font: 20pt &quot;黑体&quot;;</string>
+   </property>
+   <property name="text">
+    <string>请选择您的操作</string>
+   </property>
+  </widget>
+  <widget class="QWidget" name="layoutWidget">
+   <property name="geometry">
+    <rect>
+     <x>350</x>
+     <y>150</y>
+     <width>201</width>
+     <height>261</height>
+    </rect>
+   </property>
+   <property name="minimumSize">
+    <size>
+     <width>0</width>
+     <height>60</height>
+    </size>
+   </property>
+   <property name="maximumSize">
+    <size>
+     <width>1514664</width>
+     <height>16777215</height>
+    </size>
+   </property>
+   <layout class="QVBoxLayout" name="verticalLayout">
+    <item>
+     <widget class="QPushButton" name="pushButton_2">
+      <property name="minimumSize">
+       <size>
+        <width>0</width>
+        <height>40</height>
+       </size>
+      </property>
+      <property name="maximumSize">
+       <size>
+        <width>200</width>
+        <height>16777215</height>
+       </size>
+      </property>
+      <property name="font">
+       <font>
+        <family>Candara</family>
+        <pointsize>16</pointsize>
+        <weight>50</weight>
+        <italic>false</italic>
+        <bold>false</bold>
+       </font>
+      </property>
+      <property name="styleSheet">
+       <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(64, 145, 252, 255), 
+stop:1 rgbargb(255, 170, 127));
+color: rgb(255, 255, 255);
+ 
+border:0px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 16pt &quot;Candara&quot;;</string>
+      </property>
+      <property name="text">
+       <string>车场信息</string>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QPushButton" name="pushButton_5">
+      <property name="minimumSize">
+       <size>
+        <width>0</width>
+        <height>40</height>
+       </size>
+      </property>
+      <property name="maximumSize">
+       <size>
+        <width>200</width>
+        <height>16777215</height>
+       </size>
+      </property>
+      <property name="font">
+       <font>
+        <family>Candara</family>
+        <pointsize>16</pointsize>
+        <weight>50</weight>
+        <italic>false</italic>
+        <bold>false</bold>
+       </font>
+      </property>
+      <property name="styleSheet">
+       <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(64, 145, 252, 255), 
+stop:1 rgbargb(255, 170, 127));
+color: rgb(255, 255, 255);
+ 
+border:0px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 16pt &quot;Candara&quot;;</string>
+      </property>
+      <property name="text">
+       <string>查询车辆</string>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QPushButton" name="pushButton_4">
+      <property name="minimumSize">
+       <size>
+        <width>0</width>
+        <height>30</height>
+       </size>
+      </property>
+      <property name="maximumSize">
+       <size>
+        <width>200</width>
+        <height>40</height>
+       </size>
+      </property>
+      <property name="font">
+       <font>
+        <family>Candara</family>
+        <pointsize>16</pointsize>
+        <weight>50</weight>
+        <italic>false</italic>
+        <bold>false</bold>
+       </font>
+      </property>
+      <property name="styleSheet">
+       <string notr="true">background-color: qlineargradient(spread:pad, x1:0.52, y1:1, x2:0.54, y2:0, 
+stop:0.0112994 rgba(64, 145, 252, 255), 
+stop:1 rgbargb(255, 170, 127));
+color: rgb(255, 255, 255);
+ 
+border:0px groove gray;border-radius:
+7px;padding:2px 4px;
+font: 16pt &quot;Candara&quot;;</string>
+      </property>
+      <property name="text">
+       <string>返回</string>
+      </property>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <resources/>
+ <connections/>
+</ui>