qt_day3

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

Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);
    //设置账户和密码的登录标签
    ui->lab1->setPixmap(QPixmap(":/pictrue/wodepeizhenshi.png"));
    ui->lab1->setScaledContents(true);
    ui->lab2->setPixmap(QPixmap(":/pictrue/passwd.jpg"));
    ui->lab2->setScaledContents(true);
    //设置密码
    ui->lin2->setEchoMode(QLineEdit::Password);
    //设置动图
    QMovie *mv=new QMovie(":/pictrue/82a8d3fd16b153d6.gif");
    ui->lab0->setMovie(mv);
    mv->start();
    ui->lab0->setScaledContents(true);
    //设置“取消”按钮
    connect(ui->cancel,SIGNAL(clicked()),this,SLOT(my_solt()));
    //设置“登录”按钮
    connect(ui->login,&QPushButton::clicked,this,&Widget::my_solt1);

}

Widget::~Widget()
{
    delete ui;
}
void Widget::my_solt()
{
    this->close();
}
void Widget::my_solt1()
{

    if(ui->lin1->text() == "admin" && ui->lin2->text() == "123456")
    {
        num=0;
        this->close();
    }else {
        num=1;
        ui->lin2->setText("");
    }
    Widget1 *s = new Widget1;
    s->show();
}
Widget1::Widget1(QWidget *parent)
    : QWidget(parent)
{
    if(num==0)
    {
        QLabel *lab = new QLabel("登录成功！");
        lab->setParent(this);
        this->resize(100,100);
        lab->resize(100,100);
    }else if(num == 1)
    {
        QLabel *lab = new QLabel("登录失败！");
        lab->setParent(this);
        this->resize(100,100);
        lab->resize(100,100);
    }
}
Widget1::~Widget1()
{

}

登录成功