10.18作业

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

Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);

    this->setWindowFlag(Qt::FramelessWindowHint);

    ui->logoLab->setPixmap(QPixmap(":/222/2222.gif"));
    QMovie *mv =  new QMovie(":/222/2222.gif");
    ui->logoLab->setMovie(mv);
    mv->start();
    ui->logoLab->setScaledContents(true);

    ui->userLab->setPixmap(QPixmap(":/222/ddk.jpg"));
    ui->userLab->setScaledContents(true);

    ui->passLab->setPixmap(QPixmap(":/222/R-C.gif"));
    ui->passLab->setScaledContents(true);

    ui->userEdit->setPlaceholderText("请输入账号");
    ui->passEdit->setPlaceholderText("请输入密码");
    ui->passEdit->setEchoMode(QLineEdit::Password);

    ui->login->setIcon(QIcon(""));
    ui->cancel->setIcon(QIcon(""));

    connect(ui->cancel,SIGNAL(clicked()),this,SLOT(close()));

    connect(this,&Widget::my_signal,[&](){
        if(ui->userEdit->text()=="" || ui->passEdit->text()=="")
        {
            qDebug() << "账号或密码为空";
        }else{
            if(ui->userEdit->text()=="admin")
            {
                if(ui->passEdit->text()=="123456")
                {
                    qDebug() << "登录成功";
                    this->close();
                }else
                {
                    qDebug() << "密码错误,请重新输入";
                    ui->passEdit->clear();
                }
            }else{
                qDebug() << "账号不存在";
            }
        }
    });

}

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

void Widget::on_login_clicked()
{
    emit my_signal();
}

10.18作业_第1张图片

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