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99 lines
2.7 KiB
99 lines
2.7 KiB
#include "login.h"
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#include "ui_login.h"
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#include <QMessageBox>
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#include "signal.h"
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#include <QSqlQuery>
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#include <QString>
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#include <QDebug>
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#include "widget.h"
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#include <QGraphicsDropShadowEffect> //设置阴影
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#include <QMovie> // 包含QMovie的头文件
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#include <QMediaPlayer>
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#include <QMediaPlaylist>
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#include <QUrl>
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login::login(QWidget *parent) : QDialog(parent),
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ui(new Ui::login)
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{
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ui->setupUi(this);
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sign = new sign_in;
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w = new Widget;
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QMediaPlaylist *musicList = new QMediaPlaylist(this); // 创建音乐播放列表
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musicList->addMedia(QUrl::fromLocalFile("D:/sparking111dui/111/park/yun.wav")); // 添加本地音乐文件
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QMediaPlayer *soundPlayer = new QMediaPlayer(this); // 创建音乐播放器
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soundPlayer->setPlaylist(musicList); // 设置音乐播放列表
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soundPlayer->play(); // 播放音乐
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// 如果只有一首音乐，设置为循环播放
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musicList->setPlaybackMode(QMediaPlaylist::CurrentItemInLoop);
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soundPlayer->setVolume(80);
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//插入图片
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QPixmap house(":/house.jpg");
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ui->label_3->setPixmap(house);
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//设置阴影
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QGraphicsDropShadowEffect *shadow = new QGraphicsDropShadowEffect(this);
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shadow->setOffset(-3, 0);
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shadow->setColor(QColor("#888888"));
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shadow->setBlurRadius(30);
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ui->label_3->setGraphicsEffect(shadow);
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//动图
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QMovie *movie = new QMovie(":/sun.gif");
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ui->label_2->setMovie(movie);
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movie->start();
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connect(ui->pass, &QLineEdit::returnPressed, this, &login::on_login_2_clicked);
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this->setWindowFlags(Qt::WindowCloseButtonHint | Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint);
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}
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login::~login()
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{
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delete ui;
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delete sign;
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delete w;
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}
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void login::on_exit_clicked()
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{
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close();
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}
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void login::on_login_2_clicked()
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{
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QString username = ui->name->text();
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QString userpwd = ui->pass->text();
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// 使用在 main 中创建的数据库连接
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QSqlDatabase db = QSqlDatabase::database("text01");
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if (!db.isOpen()) {
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QMessageBox::warning(this, tr("警告！"), tr("数据库未打开！"), QMessageBox::Yes);
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return;
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}
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QString userQuery = QString("select * from user where name='%1' and pass='%2' ").arg(username).arg(userpwd);
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QSqlQuery query(db); // 使用 db 对象来执行查询
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if (query.exec(userQuery) && query.next()) {
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w->show();
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this->hide();
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} else {
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QMessageBox::warning(this, tr("警告！"), tr("用户名或密码错误！"), QMessageBox::Yes);
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ui->name->clear();
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ui->pass->clear();
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ui->name->setFocus();
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}
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}
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void login::on_pushButton_clicked()
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{
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sign->exec();
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}
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