day7(2024/2/8)

mainui.h(第二个界面)

#ifndef MAINUI_H
#define MAINUI_H#include <QWidget>namespace Ui {
class MainUi;
}class MainUi : public QWidget
{Q_OBJECTpublic:explicit MainUi(QWidget *parent = nullptr);~MainUi();public slots:void main_ui();private:Ui::MainUi *ui;
};#endif // MAINUI_H

mywidget.h(第一个界面)

#ifndef MYWIDGET_H
#define MYWIDGET_H#include <QMainWindow>
#include<QDebug>
#include<QIcon>
#include<QPushButton>
#include<QLineEdit>
#include<QLabel>
#include<cstring>
#include<iostream>class MyWidget : public QMainWindow
{Q_OBJECTpublic:MyWidget(QWidget *parent = 0);~MyWidget();
public slots:void log_slot();void close_slot();signals:void log_sig();private:QPushButton *btn1;QPushButton *btn2;QLineEdit *edt1;QLineEdit *edt2;
};#endif // MYWIDGET_H

main.cpp

#include "mywidget.h"
#include <QApplication>
#include "mainui.h"
int main(int argc, char *argv[])
{QApplication a(argc, argv);MyWidget w;w.show();MainUi s;QObject::connect(&w,&MyWidget::log_sig,&s,&MainUi::main_ui);return a.exec();
}

mainui.cpp(第二个界面)

#include "mainui.h"
#include "ui_mainui.h"MainUi::MainUi(QWidget *parent) :QWidget(parent),ui(new Ui::MainUi)
{ui->setupUi(this);}MainUi::~MainUi()
{delete ui;
}void MainUi::main_ui(){this->show();
}

#include "mywidget.h"
#include <QMessageBox>MyWidget::MyWidget(QWidget *parent): QMainWindow(parent)
{//设置界面固定大小this->resize(1728,972);this->setFixedSize(1728,972);this->setWindowIcon(QIcon(":/pic/qq1.png"));this->setWindowTitle("WeGame");this->setWindowFlag(Qt::FramelessWindowHint);//设定主界面背景QLabel *lab1=new QLabel(this);lab1->resize(1728,972);lab1->setPixmap(QPixmap(":/pic/hb.jpg"));lab1->setScaledContents(true);//设置游戏图标QLabel *lab2=new QLabel(this);lab2->resize(400,300);lab2->move(664,130);lab2->setPixmap(QPixmap(":/pic/1.2.png"));lab2->setScaledContents(true);//设置qq图标QLabel *lab3=new QLabel(this);lab3->resize(70,70);lab3->move(800,450);lab3->setPixmap(QPixmap(":/pic/qq.png"));lab3->setScaledContents(true);//设置微信图标QLabel *lab4=new QLabel(this);lab4->resize(70,70);lab4->move(928,450);lab4->setPixmap(QPixmap(":/pic/wx.png"));lab4->setScaledContents(true);//账号编辑edt1=new QLineEdit(this);edt1->resize(390,65);edt1->move(710,524);edt1->setPlaceholderText("请输入账号:");//密码设置edt2=new QLineEdit(this);edt2->resize(390,65);edt2->move(710,610);edt2->setPlaceholderText("请输入密码:");edt2->setEchoMode(QLineEdit::Password);//复选框保存密码QLabel *edit3=new QLabel("保存密码",this);edit3->move(710,690);edit3->resize(140,40);//复选框自动登录QLabel *edit4=new QLabel("自动登录",this);edit4->move(870,690);edit4->resize(140,40);//二维码QLabel *edt3=new QLabel(this);edt3->setPixmap(QPixmap(":/pic/ew.png"));edt3->move(1030,690);edt3->resize(50,40);edt3->setScaledContents(true);//快速安全登录按钮btn1=new QPushButton("快速安全登录",this);btn1->resize(390,65);btn1->move(710,760);btn1->setStyleSheet("background-color:rgb(255,102,40)");//右上角的xbtn2=new QPushButton("×",this);btn2->resize(40,40);btn2->move(1670,0);//右上角的-QPushButton *btn3=new QPushButton("-",this);btn3->resize(40,40);btn3->move(1630,0);//使用qt4将右上角x设置关闭触发connect(btn2,SIGNAL(clicked()),this,SLOT(close_slot()));//使用qt5将快速登录按钮设置触发事件connect(btn1,&QPushButton::clicked,this,&MyWidget::log_slot);
}//上角按钮x(关闭)的槽函数
void MyWidget::close_slot()
{//静态函数版本int res=QMessageBox::question(this,"提示","您是否确定要退出登录",QMessageBox::Yes | QMessageBox::No);if(res == QMessageBox::Yes){this->close();}else {}
}//登录按钮的槽函数
void MyWidget::log_slot(){//比较账号和密码if(QString::compare("admin",edt1->text())==0 && QString::compare("123456",edt2->text())==0){//静态成员函数版int res=QMessageBox::information(this,"提示","登陆成功",QMessageBox::Ok);//登陆成功触发信号emit this->log_sig();this->close();//关闭窗口}else {//成员属性版QMessageBox msg(QMessageBox::Critical,"错误！","密码错误",QMessageBox::Yes | QMessageBox::No,this);int res =msg.exec();if(res==QMessageBox::Yes){edt2->clear();}else{this->close();}}
}MyWidget::~MyWidget()
{}