2024.2.20 C++&&QT

思维导图

练习题

1>运用已学组件，实现一个登录界面

#include "widget.h"

Widget::Widget(QWidget *parent)
    : QWidget(parent)
{
    //设置窗口属性
    this->setWindowTitle("QQ快聊");
    this->setWindowIcon(QIcon("C:\\Users\\12691\\OneDrive\\桌面\\pictrue\\qq.png"));
    this->setWindowFlag(Qt::FramelessWindowHint);//窗口标签栏是否隐藏
    this->resize(540,410);
    this->setStyleSheet("background-color:white");
    //设置标签图片
    QLabel *lab1 = new QLabel(this);
    lab1->resize(540,180);
    lab1->setStyleSheet("background-color:blue");
    //创建动图容器
    QMovie *movie1 = new QMovie("C:\\Users\\12691\\OneDrive\\桌面\\pictrue\\qq2.gif");
    movie1->setParent(this);
    //标签绑定动图
    lab1->setMovie(movie1);
    movie1->start();
    lab1->setScaledContents(true);//固定标签大小
    //账号头像标签图片
    QLabel *hlab = new QLabel(this);
    hlab->resize(80,80);
    hlab->move(240,110);
    hlab->setStyleSheet("border-radius:40px;background-color:rgb(123,55,64);");
    hlab->setPixmap(QPixmap("E:\\Stable Different\\sd-webui-aki\\sd-webui-aki-v4.6.1\\outputs\\txt2img-images\\2024-02-20\\00040-3232873719.png"));
    hlab->setScaledContents(true);
    //账号密码标签图片
    QLabel *lab2 = new QLabel(this);
    QLabel *lab3 = new QLabel(this);
    lab2->resize(35,35);
    lab2->move(120,210);
    lab2->setPixmap(QPixmap("C:\\Users\\12691\\OneDrive\\桌面\\pictrue\\wodepeizhenshi.png"));//设置图片路径
    lab2->setScaledContents(true);
    lab3->resize(35,35);
    lab3->move(120,250);
    lab3->setPixmap(QPixmap("C:\\Users\\12691\\OneDrive\\桌面\\pictrue\\passwd.jpg"));
    lab3->setScaledContents(true);
    //密码账号输入文本框
    QLineEdit *edit1 = new QLineEdit(this);
    QLineEdit *edit2 = new QLineEdit(this);
    edit1->move(165,210);
    edit1->resize(270,35);
    edit1->setPlaceholderText("QQ号码/手机/邮箱");//文本框占用文本
    edit2->move(165,250);
    edit2->resize(270,35);
    edit2->setPlaceholderText("密码");
    edit2->setEchoMode(QLineEdit::Password);//设置内容显示形式为密码
    //登录按钮
    QPushButton *btn1 = new QPushButton("登录",this);
    btn1->move(120,330);
    btn1->resize(315,45);
    btn1->setStyleSheet("background-color:rgb(31,200,253);color:white;border-radius:5px;");
    //复选框选项
    QCheckBox *checkBox1 = new QCheckBox(this);
    QCheckBox *checkBox2 = new QCheckBox(this);
    checkBox1->setText("自动登录");
    checkBox1->setStyleSheet("background-color:transparent;color:#333;");
    checkBox1->move(120,300);
    checkBox2->setText("记住密码");
    checkBox2->setStyleSheet("background-color:transparent;color:#333;");
    checkBox2->move(240,300);

    QLabel *lab4 = new QLabel(this);
    lab4->setText("找回密码");
    lab4->setStyleSheet("background-color:transparent;color:#333;");
    lab4->move(370,302);



}

Widget::~Widget()
{
}