作业
#ifndef WIDGET_H
#define WIDGET_H#include <QWidget>
#include <QDebug>
#include <QIcon> //图标类
#include <QPushButton> //按钮类
#include <QLabel> //标签类
#include <QMovie> //动画类
#include <QLineEdit> //行编译器类QT_BEGIN_NAMESPACE
namespace Ui { class Widget; }
QT_END_NAMESPACEclass Widget : public QWidget
{Q_OBJECTpublic:Widget(QWidget *parent = nullptr);~Widget();private:Ui::Widget *ui;QPushButton *btn1;QPushButton *btn2;QLabel *labe1;QLabel *labe2;QLabel *labe3;QLineEdit *zhanghao;QLineEdit *mima;};
#endif // WIDGET_H
#include "widget.h"
#include "ui_widget.h"Widget::Widget(QWidget *parent): QWidget(parent), ui(new Ui::Widget)
{ui->setupUi(this);this->resize(430,300);//按钮1btn1 = new QPushButton("登录",this);btn1->resize(110,35);btn1->move(100,240);//将自定义组件连接到函数中connect(btn1,&QPushButton::clicked,[&](){if(zhanghao->text() == mima->text()){qDebug()<<"登录成功";this->close();}else{qDebug()<<"登录失败";mima->clear();}});//按钮2btn2 = new QPushButton("取消",this);btn2->resize(110,35);btn2->move(btn1->x()+btn1->width()+20,btn1->y());connect(btn2,&QPushButton::clicked,[&](){this->close();});//输入框1mima = new QLineEdit(this);mima->resize(210,30);mima->move(130,200);mima->clear(); //清空内容mima->setPlaceholderText("密码"); //设置占位文本mima->setEchoMode(QLineEdit::Password); //设置回显模式//输入框2zhanghao = new QLineEdit(this);zhanghao->resize(210,30);zhanghao->move(mima->x(),mima->y()-mima->height()-10);zhanghao->clear(); //清空内容zhanghao->setPlaceholderText("账号"); //设置占位文本//账号标签labe1 = new QLabel("账号:",this);labe1->resize(30,30);labe1->move(zhanghao->x()-30,zhanghao->y());labe1->setPixmap(QPixmap("C:\\Users\\Admin\\Desktop\\1\\pictrue\\pictrue\\userName.jpg"));labe1->setScaledContents(true);//密码标签labe2 = new QLabel("密码:",this);labe2->resize(30,30);labe2->move(mima->x()-30,mima->y());labe2->setPixmap(QPixmap("C:\\Users\\Admin\\Desktop\\1\\pictrue\\pictrue\\passwd.jpg"));labe2->setScaledContents(true);//动画标签labe3 = new QLabel("动画",this);labe3->resize(430,100);QMovie *movie = new QMovie("C:\\Users\\Admin\\Desktop\\1\\pictrue\\pictrue\\zz.gif");//将动图对象放入到标签中labe3->setMovie(movie);//让动图动起来movie->start();//让标签内容自适应图片大小labe3->setScaledContents(true);}Widget::~Widget()
{delete ui;
}
