Qt登录窗口

 

#include "widget.h"
#include "ui_widget.h"Widget::Widget(QWidget *parent): QWidget(parent), ui(new Ui::Widget),btn(new QPushButton("取消",  this)),login_btn(new QPushButton("登录", this))
{   ui->setupUi(this);this -> setWindowIcon(QIcon(":/picture/hp.jpg"));//设置窗口图标this -> setWindowFlag(Qt::FramelessWindowHint, 1);//无边框//设置窗口动图QMovie *mv = new QMovie(":/picture/ht.webp");ui ->label-> setMovie(mv);mv -> start();ui -> label -> setScaledContents(true);//设置退出按钮连接窗口关闭btn -> resize(ui -> btn2 -> width(), ui -> btn2 -> height());btn->move(ui->btn2->x(), ui->btn2->y()+ui->btn2->height() + 6);connect(btn, SIGNAL(clicked()), this, SLOT(my_slots()));//设置登录按钮连接登录login_btn -> resize(ui -> btn2 -> width(), ui -> btn2 -> height());login_btn->move(ui->btn2->x(), ui->btn2->y()+ui->btn2->height() - 29);connect(login_btn, &QPushButton::clicked, this, &Widget::login_slot);//设置行编辑器的文本及文本显示模式ui -> ac_line -> setPlaceholderText("CC账号");ui -> pa_line -> setPlaceholderText("CC密码");ui -> ac_line -> setEchoMode(QLineEdit::Normal);ui -> pa_line -> setEchoMode(QLineEdit::Password);}Widget::~Widget()
{delete ui;
}void Widget::my_slots(){this -> close();
}void Widget::on_btn1_clicked()
{this -> close();
}void Widget::login_slot(){if(ui -> ac_line -> text() == "admin"){if(ui -> pa_line -> text() == "123456"){qDebug() << "登录成功";}}else{qDebug() << "账号或密码错误";ui -> pa_line -> setText("");}
}

#ifndef WIDGET_H
#define WIDGET_H#include <QWidget>
#include <QLabel>
#include <QMovie>
#include <QIcon>
#include <QObject>
#include <QPushButton>
#include <QDebug>QT_BEGIN_NAMESPACE
namespace Ui { class Widget; }
QT_END_NAMESPACEclass Widget : public QWidget
{Q_OBJECTpublic:Widget(QWidget *parent = nullptr);~Widget();signals:void my_singal();private slots:void on_btn1_clicked();void my_slots();void login_slot();private:Ui::Widget *ui;QPushButton *btn;QPushButton *login_btn;
};
#endif // WIDGET_H