Qt day4

思维导图：

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);
    this->setAttribute(Qt::WA_TranslucentBackground);
}

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


void Widget::on_pushButton_clicked()
{
    if(ui->lineEdit->text() == "admin" && ui->lineEdit_2->text() == "123")
    {
        QMessageBox msg(
                    QMessageBox::Information,
                    "提示",
                    "登录成功",
                    QMessageBox::Yes,
                    this);

        msg.exec();
        this->close();
        emit my_jump();
    }
    else
    {
        int ret = QMessageBox::critical(
                    this,
                    "登录失败",
                    "账号密码不匹配",
                    QMessageBox::Yes | QMessageBox::No);

        if(ret == QMessageBox::Yes)
        {
            ui->lineEdit_2->clear();
        }
        else
        {
            this->close();
        }
    }
}

void Widget::on_pushButton_2_clicked()
{
    int ret = QMessageBox::question(
                this,
                "?",
                "退出登录？",
                QMessageBox::Yes | QMessageBox::No);

    if(ret == QMessageBox::Yes)
    {
        this->close();
    }
}