Qt day2

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);QMovie *mov=new QMovie("E:\\1.QQ\\1774024653\\FileRecv\\pictrue\\qq.gif");ui->logol->setMovie(mov);mov->start();ui->logol->setScaledContents(1);ui->username_button->setPixmap(QPixmap(":/pictrue/login.png"));ui->username_button->setScaledContents(1);ui->passward_button->setPixmap(QPixmap(":/pictrue/passwd.jpg"));ui->passward_button->setScaledContents(1);ui->username_edit->setPlaceholderText("请输入用户名/注册");ui->username_edit->setEchoMode(QLineEdit::Normal);ui->passwardedit->setPlaceholderText("密码");ui->passwardedit->setEchoMode(QLineEdit::Password);connect(ui->loginbutton,SIGNAL(clicked()),this,SLOT(my_slot()));}
void Widget::my_slot(){QString username=ui->username_edit->text();QString password=ui->passwardedit->text();if(username=="admin"&& password=="123456"){
//        qDebug()<<"登录成功";QMessageBox::information(this,"登录状态","登录成功");this->close();}else {
//            qDebug()<<"密码错误";QMessageBox::warning(this,"status","登录失败");ui->passwardedit->clear();}}Widget::~Widget()
{delete ui;
}void Widget::on_cancel_button_clicked()
{this->close();
}