new something

customer.cpp

@@ -1,14 +1,270 @@
 #include "customer.h"
+#include "login.h"
+#include "registers.h"
 #include "ui_customer.h"
 
+/*
+ * ID从数据库的提取
+ */
+
 customer::customer(QWidget *parent) :
     QMainWindow(parent),
     ui(new Ui::customer)
 {
-    ui->setupUi(this);
+    init();
 }
 
+
+
+
 customer::~customer()
 {
     delete ui;
 }
+
+void customer::paintEvent(QPaintEvent*)
+{
+    labelone->resize(ui->widget->size());
+}
+
+void customer::init()//初始化
+{
+    customer_id = "123";
+    ui->setupUi(this);
+    this->setFixedSize(1920,1080);
+    this->setWindowTitle("用户界面");
+    this->setWindowIcon(QIcon(":image/icon/logo"));//创造本界面
+    lg = new login(this);
+    lg->hide();
+    rm = new ResetMessage(this);
+    rm->hide();//创造副界面
+    labelone = new QLabel(this);
+    labelone->setScaledContents(true);
+    labelone->setPixmap(QPixmap(":/image/bg/login.png"));
+    labelone->lower();
+
+    findall();
+    flush_data(userinfo);//初始显示全部
+    setmousehand();//装饰鼠标
+
+    ui->Reservation1->setEnabled(false);
+    ui->checking_out1->setEnabled(false);//初始退订按钮
+    ui->tableWidget->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
+    ui->tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);//表格不可编辑
+}
+
+void customer::setmousehand()//鼠标小手 完成
+{
+    ui->search->setCursor(QCursor(Qt::PointingHandCursor));
+    ui->pushButton->setCursor(QCursor(Qt::PointingHandCursor));
+    ui->Reservation1->setCursor(QCursor(Qt::PointingHandCursor));
+    ui->checking_out1->setCursor(QCursor(Qt::PointingHandCursor));
+}
+
+
+void customer::on_checking_out1_clicked()//退房 完成
+{
+    int c = row;//总之是获取选中的行
+    if( ui->tableWidget->model()->index(c,6).data().toString() == "123" ){
+        QString QS = "空闲";
+        QSqlQuery query((db));
+
+
+        QString n = 0;
+        n = ui->tableWidget->model()->index(c,0).data().toString();
+        int num = n.toInt();
+
+            query.prepare("UPDATE room set status=:QS where room_num = :num");
+            query.bindValue(":QS",QS);
+            query.bindValue(":num",num);
+            query.exec();
+            query.prepare("UPDATE room set checkout_time=NULL where room_num = :num");
+            query.bindValue(":num",num);
+            query.exec();
+            query.prepare("UPDATE room set customer_id=NULL where room_num = :num");
+            query.bindValue(":num",num);
+            query.exec();//开始操作数据库
+
+            if(c >= 0){
+                QTableWidgetItem *Q1 = new QTableWidgetItem(QS);
+                ui->tableWidget->setItem(c,4,Q1);
+                ui->tableWidget->setItem(c,5,NULL);
+                ui->tableWidget->setItem(c,6,NULL);
+                Q1->setTextAlignment(Qt::AlignCenter);
+                QMessageBox::about(this,"提示","退房成功");
+                ui->Reservation1->setEnabled(true);
+                ui->checking_out1->setEnabled(false);//开始操作表格
+            }
+
+    }
+    else QMessageBox::about(this,"警告","不是本人操作");
+}
+
+
+void customer::on_Reservation1_clicked()//订房 id是什么
+{
+    int c = row;//总之是获取选中的行
+    QString QS = "使用";
+    QSqlQuery query((db));
+    QString n = 0;
+    n = ui->tableWidget->model()->index(c,0).data().toString();
+    QDate d = QDate::currentDate();
+
+
+    int num = n.toInt();
+    query.prepare("UPDATE room set status=:QS where room_num = :num");
+    query.bindValue(":QS",QS);
+    query.bindValue(":num",num);
+    query.exec();
+    query.prepare("UPDATE room set checkout_time=DATE_ADD(:d, INTERVAL 1 DAY) where room_num = :num");
+    query.bindValue(":d",d);
+    query.bindValue(":num",num);
+    query.exec();
+    query.prepare("UPDATE room set customer_id=:id where room_num = :num");
+    query.bindValue(":id",123);
+    query.bindValue(":num",num);
+    query.exec();
+
+    if(c>=0){
+        QTableWidgetItem *Q1 = new QTableWidgetItem(QS);
+        ui->tableWidget->setItem(c,4,Q1);
+        Q1->setTextAlignment(Qt::AlignCenter);
+
+        QMessageBox::about(this,"提示","订房成功");
+        ui->Reservation1->setEnabled(false);
+        ui->checking_out1->setEnabled(true);
+    }
+
+}
+
+
+
+void customer::on_pushButton_clicked()//修改 完成
+{
+    rm->show();
+}
+
+void customer::on_checkBox_clicked(bool checked)//装饰品
+{
+    if(checked){
+        ui->tableWidget->horizontalHeader()->show();
+    }
+    else ui->tableWidget->horizontalHeader()->hide();
+}
+
+void customer::on_checkBox_2_clicked(bool checked)//装饰品
+{
+    if(checked){
+        ui->tableWidget->verticalHeader()->show();
+    }
+    else ui->tableWidget->verticalHeader()->hide();
+}
+
+void customer::on_checkBox_3_clicked(bool checked)//装饰品
+{
+    if(checked){
+        ui->tableWidget->setAlternatingRowColors(true);
+    }
+    else ui->tableWidget->setAlternatingRowColors(false);
+}
+
+void customer::findall()//显示全部 完成
+{
+    userinfo.clear();//清楚存储向量rec的向量的数据
+    QSqlQuery query((db));
+    query.prepare("select * from room");
+
+    if(query.exec())
+    {
+         while (query.next()) {
+             QVector<QString>rec;
+             for(int i=0;i<query.record().count();i++)
+             {
+
+                 rec.push_back(query.record().value(i).toString());//将sql搜索到的一行记录塞入rec向量
+             }
+             userinfo.push_back(rec);//将rec向量塞入向量
+         }
+    }
+}
+
+void customer::flush_data(QVector<QVector<QString>>&userinfo)//插入数据 完成
+{
+    ui->tableWidget->clear();
+    if(!userinfo.size())return;
+    ui->tableWidget->setRowCount(userinfo.size());//行
+    ui->tableWidget->setColumnCount(5);//列
+
+    for(int i=0;i<userinfo.size();i++)
+    {
+        for(int j=0;j<userinfo[0].size();j++)
+        {
+            QTableWidgetItem *QW = new QTableWidgetItem(userinfo[i][j]);
+            ui->tableWidget->setItem(i,j,QW);//行 列 内容
+            QW->setTextAlignment(Qt::AlignCenter);//设置中心对齐
+        }
+    }
+     ui->tableWidget->setHorizontalHeaderLabels({"房间号","房间类型","是否带窗","负责人","状态"});//设置表头
+}
+
+void customer::on_tableWidget_itemClicked(QTableWidgetItem *item)//点击表格格子         获取行数 完成
+{
+    row = item->row();
+    if(ui->tableWidget->model()->index(row,4).data().toString() == "空闲"){
+        ui->Reservation1->setEnabled(true);
+        ui->checking_out1->setEnabled(false);
+    }
+
+    else if(ui->tableWidget->model()->index(row,4).data().toString() == "使用"){
+        ui->checking_out1->setEnabled(true);
+        ui->Reservation1->setEnabled(false);
+    }
+    else QMessageBox::about(this,"警告","未知错误");
+
+}
+
+
+void customer::on_search_clicked()//搜索 不能部分找到全部
+{
+
+   QString number=ui->lineEdit_2->text();
+     if(number == NULL){
+        findall();
+        flush_data(userinfo);
+    }
+
+    else if(find_byname(number))
+    {
+        flush_data(userinfo);
+        userinfo.clear();
+    }else  QMessageBox::critical(nullptr, "错误", "未知的错误", QMessageBox::Retry);
+}
+
+bool customer::find_byname(QString n)//搜索?
+{
+    int number = n.toInt();
+    userinfo.clear();
+    QSqlQuery query(db);
+       query.prepare("select * from room where room_num like :number;");//以开头搜索 不行
+        query.bindValue(":number",number);
+        if(query.exec())
+        {
+             while (query.next()) {
+                 QVector<QString>rec;
+                 rec.push_back(query.record().value("room_num").toString());
+                 rec.push_back(query.record().value("type").toString());
+                 rec.push_back(query.record().value("withwindow").toString());
+                 rec.push_back(query.record().value("responsible_person").toString());
+                 rec.push_back(query.record().value("status").toString());
+                 rec.push_back(query.record().value("checkout_time").toString());
+                 rec.push_back(query.record().value("customer_id").toString());
+
+                 userinfo.push_back(rec);
+             }
+             return true;
+        }
+            return false;
+}
+
+
+

customer.h

@@ -1,7 +1,15 @@
 #ifndef CUSTOMER_H
 #define CUSTOMER_H
 
+#include "login.h"
 #include <QMainWindow>
+#include <QLabel>
+#include <QIcon>
+#include <QMessageBox>
+#include <QTableWidgetItem>
+#include <QSqlRecord>
+#include <resetmessage.h>
+#include <QDate>
 
 namespace Ui {
 class customer;
@@ -14,9 +22,45 @@ class customer : public QMainWindow
 public:
     explicit customer(QWidget *parent = nullptr);
     ~customer();
+    void addrow(QString name,QString gender,int age,QString bornplace);
+    void findall();
+    void flush_data(QVector<QVector<QString>>&userinfo);
+    bool find_byname(QString name);
+    void setmousehand();
+    QString customer_id;
+    void init();
+private slots:
 
+
+    void on_checking_out1_clicked();
+
+
+    void on_Reservation1_clicked();
+
+    void on_checkBox_clicked(bool checked);
+
+    void on_checkBox_2_clicked(bool checked);
+
+    void on_checkBox_3_clicked(bool checked);
+
+
+
+    void on_tableWidget_itemClicked(QTableWidgetItem *item);
+
+    void on_search_clicked();
+
+    void on_pushButton_clicked();
+protected:
+    void paintEvent(QPaintEvent*);
 private:
     Ui::customer *ui;
+    QLabel *labelone;
+    login *lg;
+    ResetMessage *rm;
+    QSqlDatabase db;
+    QVector<QVector<QString>>userinfo;
+    int row;
+    QString id;
 };
 
 #endif // CUSTOMER_H