QT——day2

LostA&B2024-06-17 8:42
cpp 复制代码
#include "widget.h"
#include "ui_widget.h"

Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);
    ui->LogoLab->setPixmap(QPixmap(":/pictrue/logo.png"));
    ui->LogoLab->setScaledContents(true);
    ui->UsernameLab->setPixmap(QPixmap(":/pictrue/wodepeizhenshi.png"));
    ui->UsernameLab->setScaledContents(true);
    ui->PasswdLab->setPixmap(QPixmap(":/pictrue/passwd.jpg"));
    ui->PasswdLab->setScaledContents(true);
    ui->PasswdEdit->setEchoMode(QLineEdit::Password);
    connect (ui->LoginBtn,SIGNAL(clicked()),this,SLOT(my_slot()));
}


Widget::~Widget()
{
    delete ui;
}


void Widget::on_CancelBtn_clicked()
{
    this->close();
}
void Widget::my_slot()
{
    if(ui->UsernameEdit->text()=="admin" && ui->PasswdEdit->text() == "123456")
    {
        QLabel *Msg1 = new QLabel ("登录成功",this);
        Msg1->move(300,300);
        Msg1->resize(100,30);
        Msg1->setStyleSheet("background-color:red");
        Msg1->show();
        QTimer::singleShot(3000, this, SLOT(close()));
    }else
    {
        QLabel *Msg2 = new QLabel ("登陆失败",this);
        Msg2->move(300,300);
        Msg2->resize(100,30);
        Msg2->setStyleSheet("background-color:red");
        Msg2->show();
        ui->UsernameEdit->clear();
        ui->PasswdEdit->clear();
    }
}