王杰qtday3

#include "widget.h"
#include "ui_widget.h"
 
Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);
    this->setWindowTitle("cxk");
    this->setWindowIcon(QIcon(":/pictrue/1.jpg"));
    QMovie *mv = new QMovie(":/pictrue/1.gif");
    ui->loclab->setMovie(mv);
    mv->start();
    ui->loclab->setScaledContents(true);
 
//    ui->usernamelab->setPixmap(QPixmap(":/pictrue/1.jpg"));
//    ui->usernamelab->setScaledContents(true);
//    ui->usernamelab->resize(20,20);
 
 
 
    ui->userEdit->setPlaceholderText("ikun账号");
 
    ui->passwdedit->setPlaceholderText("ikun密码");
    ui->passwdedit->setEchoMode(QLineEdit::Password);
 
 
}
 
Widget::~Widget()
{
    delete ui;
}
 
void Widget::on_login_clicked()
{
 
    if(ui->userEdit->text() == "" || ui->passwdedit->text() == "")
    {
        QMessageBox msg1(QMessageBox::Information,"提示","账号和密码为空",QMessageBox::Yes,this);
        msg1.exec();
    }
    else
    {
        if(ui->userEdit->text() == "admin")
        {
            if(ui->passwdedit->text() == "123456")
            {
                int ret1 = QMessageBox::information(this,"提示","登录成功",QMessageBox::Ok);
                if(ret1 == QMessageBox::Ok)
                {
                    this->close();
                    emit my_signal();
                }
            }
            else
            {
              int ret = QMessageBox::critical(this,"错误","账号和密码不匹配，是否重新登录",QMessageBox::Yes | QMessageBox::No);
              if(ret == QMessageBox::Yes)
              {
                  ui->passwdedit->clear();
              }
              else
              {
                  this->close();
              }
            }
        }
        else
        {
            QMessageBox::information(this,"提示","账号不存在",QMessageBox::Yes);
        }
    }
 
}
 
 
void Widget::on_cancel_clicked()
{
    int ret = QMessageBox::question(this,"问题","您是否确定要退出登录？",QMessageBox::Yes | QMessageBox::No);
    if(ret == QMessageBox::Yes)
    {
        this->close();
    }
}