QT day2

头文件

#ifndef WIDGET_H
#define WIDGET_H

#include <QWidget>
#include <QLineEdit>
#include <QMovie>
#include <QLineEdit>
#include <QPushButton>
#include <QDebug>
QT_BEGIN_NAMESPACE
namespace Ui { class Widget; }
QT_END_NAMESPACE

class Widget : public QWidget
{
    Q_OBJECT

signals:
    void mySignal(void);
public slots:
    void mySlots(void);
    void btn1_clicked();


public:
    Widget(QWidget *parent = nullptr);
    ~Widget();

private:
    Ui::Widget *ui;
    QLineEdit *edit1;
    QLineEdit *edit2;
};
#endif // WIDGET_H

主函数

#include "widget.h"
#include "ui_widget.h"

Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);
    ui->logoLab->setScaledContents(true);
    QMovie *moviePtr = new QMovie("C:/Users/abcd/Desktop/pictrue/zz.gif");
    ui->logoLab->setMovie(moviePtr);
    moviePtr->start();


    ui->usrLab->setScaledContents(true);
    ui->usrLab->setPixmap(QPixmap("C:/Users/abcd/Desktop/pictrue/shi"));

    ui->pwdLab->setScaledContents(true);
    ui->pwdLab->setPixmap(QPixmap("C:/Users/abcd/Desktop/pictrue/passwd"));


    //ui->pwdEdit->setEchoMode(QLineEdit::Password);
    //行编译器设置
    QLineEdit *edit1=new QLineEdit(this);
    edit1->resize(221,41);
    edit1->move(210,250);
    edit1->setPlaceholderText("用户名/手机号/邮箱");

    QLineEdit *edit2=new QLineEdit(this);
    edit2->resize(221,41);
    edit2->move(210,330);
    edit2->setPlaceholderText("密码");
    edit2->setEchoMode(QLineEdit::Password);
    //按键设置
    QPushButton *  btn=new QPushButton("登录",this);
    btn->resize(301,51);
    btn->move(130,410);
    btn->setStyleSheet("background-color:rgb(8,189,253);border-radius:5px;color:white");
    connect(btn,&QPushButton::clicked,this,&Widget::btn1_clicked);
}

Widget::~Widget()
{
    delete ui;
}
void Widget::btn1_clicked()
{
    if(this->edit1->text()=="Admin"&&this->edit2->text()=="123456")
    {
        qDebug()<<"登录成功";
        this->close();
    }else
    {
        qDebug()<<"登录失败";
    }
}

思维导图