QT

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

Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
    ,Gcancle(new QPushButton("取消",this))
    ,EmmEdit(new QLineEdit(this))
{
    ui->setupUi(this);
    ui->ALogo->setPixmap(QPixmap("://pic//th.jpg"));
    ui->ALogo->setScaledContents((true));
    ui->Bzhanghao->setPixmap(QPixmap(":/pic/wodepeizhenshi.png"));
    ui->Bzhanghao->setScaledContents((true));
    ui->Cmima->setPixmap(QPixmap("://pic//passwd.jpg"));
    ui->Cmima->setScaledContents((true));
    Gcancle->resize(ui->Flogin->width(),ui->Flogin->height());
    Gcancle->move(ui->Flogin->x()+ui->Flogin->width()+15,ui->Flogin->y());
    connect(Gcancle,SIGNAL(clicked()),this,SLOT(my_slot1()));
    this->EmmEdit->resize(ui->DzhEdit->width(),ui->DzhEdit->height());
    this->EmmEdit->move(ui->DzhEdit->x(),ui->DzhEdit->y()+ui->DzhEdit->height()+12);
    connect(this->EmmEdit,SIGNAL(clicked()),this,SLOT(my_slot2()));
    this->EmmEdit->setEchoMode(QLineEdit::Password);
}

Widget::~Widget()
{
    delete ui;
}
void Widget::my_slot1()
{
    this->close();
}
void Widget::my_slot2()
{
    QString zh = ui->DzhEdit->text();
    QString mm = this->EmmEdit->text();
    if(zh == "admin" && mm == "123456")
    {
       QMessageBox::information(this, "登录", "登陆成功");
       this->close();
    }else
    {
       QMessageBox::warning(this, "登录", "登录失败");
       ui->DzhEdit->clear();
       this->EmmEdit->clear();
    }
}