QT day1

​​​​qt实现QQ登录页面

代码

mywidget.h

#ifndef MYWIDGET_H
#define MYWIDGET_H
 
#include 
#include 
#include 
#include 
#include 
#include 
class MyWidget : public QWidget
{
    Q_OBJECT
 
public:
    MyWidget(QWidget *parent = nullptr);
    ~MyWidget();
};
#endif // MYWIDGET_H

main.cpp

#include "mywidget.h"
 
#include 
 
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    MyWidget w;
    w.show();
    return a.exec();
}

mywidget.cpp

#include "mywidget.h"
 
MyWidget::MyWidget(QWidget *parent)
    : QWidget(parent)
{
    //重新设置窗口大小
    this->resize(860,660);
    //设置动态窗口图标标签
    QLabel *lab=new QLabel(this);
    lab->resize(860,260);
    QMovie *movie=new QMovie("C:\\Users\\21925\\Desktop\\pictrue\\3.gif");
    lab->setMovie(movie);
    lab->setScaledContents(true);
    movie->start();
    //设置纯净窗口
    this->setWindowFlag(Qt::FramelessWindowHint);
 
    //设置QQ标签
    QLabel *lab1=new QLabel(this);
    lab1->resize(40,40);
    lab1->move(70,20);
    lab1->setText("QQ");
 
    //QQ logo标签
    QLabel *lab2=new QLabel(this);
    lab2->resize(40,40); //重新设置尺寸
    lab2->move(20,20);
    lab2->setPixmap(QPixmap("C:\\Users\\21925\\Desktop\\pictrue\\qq.png"));
    lab2->setScaledContents(true); //图片自适应
    //账户图标标签
    QLabel *lab3=new QLabel(this);
    lab3->resize(75,70);
    lab3->move(185,325);
    lab3->setPixmap(QPixmap("C:\\Users\\21925\\Desktop\\pictrue\\qq.png"));
    lab3->setScaledContents(true);
    //密码图标标签
    QLabel *lab4=new QLabel(this);
    lab4->resize(75,70);
    lab4->move(185,400);
    lab4->setPixmap(QPixmap("C:\\Users\\21925\\Desktop\\pictrue\\passwd.jpg"));
    lab4->setScaledContents(true);
 
    //账号
    QLineEdit *ed1=new QLineEdit(this);
    ed1->resize(390,70);
    ed1->move(270,325);
    ed1->setPlaceholderText("QQ号码/手机/邮箱");
    //密码
    QLineEdit *ed2=new QLineEdit(this);
    ed2->resize(390,70);
    ed2->move(270,400);
    ed2->setPlaceholderText("密码");
 
//    //改变字体大小
//    QFont ft;
//    ft.setPointSize(7);
 
    //自动登录标签
    QLabel *lab5=new QLabel(this);
    lab5->resize(130,30);
    lab5->move(195,490);
    lab5->setText("自动登录");
    //lab5->setFont(ft);
    lab5->setSizePolicy(QSizePolicy::Preferred,QSizePolicy::Preferred); //文字自适应
    lab5->adjustSize();
 
    //记住密码标签
    QLabel *lab6=new QLabel(this);
    lab6->resize(130,30);
    lab6->move(380,490);
    lab6->setText("记住密码");
    //lab6->setFont(ft);
    lab6->setSizePolicy(QSizePolicy::Preferred,QSizePolicy::Preferred);
    lab6->adjustSize();
 
    //找回密码标签
    QLabel *lab7=new QLabel(this);
    lab7->resize(80,30);
    lab7->move(565,490);
    lab7->setText("记住密码");
    //lab7->setFont(ft);
    lab7->setSizePolicy(QSizePolicy::Preferred,QSizePolicy::Preferred);
    lab7->adjustSize();
 
    //登录按钮
    QPushButton *btn=new QPushButton(this);
    btn->resize(480,75);
    btn->move(185,545);
    btn->setText("登录");
    btn->setStyleSheet("background:rgb(4,186,251)");
 
    //注册账号按钮
    QPushButton *btn1=new QPushButton(this);
    btn1->resize(130,30);
    btn1->move(20,600);
    btn1->setText("注册账号");
    btn1->setStyleSheet("background-color:white");
    btn1->setSizePolicy(QSizePolicy::Preferred,QSizePolicy::Preferred);
    btn1->adjustSize();
 
    //二维码按钮
    QPushButton *btn2=new QPushButton(this);
    btn2->resize(60,60);
    btn2->move(780,580);
    btn2->setIcon(QIcon("C:\\Users\\21925\\Desktop\\pictrue\\1.png"));
    btn2->setStyleSheet("background-color:white");
 
 
}
 
MyWidget::~MyWidget()
{
}