2024.05.07作业

#include "widget.h"
#include "ui_widget.h"

Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);
    //==============窗口相关设置=======
    this->resize(540,415);
    this->setFixedSize(540,415);
    //窗口标题
    this->setWindowTitle("盗版QQ");
    //窗口图标
    this->setWindowIcon(QIcon(":/C:/Users/ShiSS/Desktop/pictrue/qq.png"));
    //背景颜色
    this->setStyleSheet("background-color:white");
    //去掉头部
    //this->setWindowFlag(Qt::FramelessWindowHint);


    //============标签相关设置=======
    QLabel *lab1 = new QLabel(this);
    //设置大小
    lab1->resize(540, 160);
    lab1->setStyleSheet("background-color:pink");
    //动图类 接收动图
    QMovie *mv = new QMovie(":/C:/Users/ShiSS/Desktop/pictrue/zz.gif");
    //将动图放入标签中
    lab1->setMovie(mv);
    //让动图动起来
    mv->start();
    //自动适应
    lab1->setScaledContents(true);


    QLabel *lab2 = new QLabel(this);
    lab2->resize(30,30);
    lab2->move(120,210);
    lab2->setPixmap(QPixmap(":/C:/Users/ShiSS/Desktop/pictrue/wodepeizhenshi.png"));
    lab2->setScaledContents(true);


    QLabel *lab3 = new QLabel(this);
    lab3->resize(30,30);
    lab3->move(120, 260);
    lab3->setPixmap(QPixmap(":/C:/Users/ShiSS/Desktop/pictrue/passwd.jpg"));
    lab3->setScaledContents(true);


    //============行编辑器相关设置=======
    edit1 = new QLineEdit(this);
    edit1->resize(275,30);
    edit1->move(155,210);
    edit1->setPlaceholderText("QQ号/手机号/邮箱");


    edit2 = new QLineEdit(this);
    edit2->resize(275,30);
    edit2->move(155,260);
    edit2->setPlaceholderText("密码");
    edit2->setEchoMode(QLineEdit::Password);




    //============按钮相关设置=======
    btn = new QPushButton("登录",this);
    btn->resize(300,45);
    btn->move(120,345);
    //样式函数setStyleSheet()
    btn->setStyleSheet("background-color:red;border-radius:5px;color:white");
    //使用连接函数，将按钮连接到自定义槽函数中
    connect(this->btn,&QPushButton::clicked,this,&Widget::btn_clicked);
    //使用连接函数，将输入字符长度连接到自定义槽函数中
    connect(this->edit1,&QLineEdit::textChanged,this,&Widget::size_long);
    connect(this->edit2,&QLineEdit::textChanged,this,&Widget::size_long);
}
Widget::~Widget()
{
    delete ui;
}
//登陆槽函数
void Widget::btn_clicked()
{
    if(edit1->text()=="Admin" && edit2->text()=="123456")
    {
        qDebug()<< "登陆成功";
        this->close();
    }else
    {
        qDebug() << "登陆失败，请检查账号或密码";
        edit2->clear();
    }
}
//按钮变色槽函数
void Widget::size_long()
{
    if(edit1->text().size()>=5 && edit2->text().size()>=5)
    {
        this->btn->setEnabled(true);
        this->btn->setStyleSheet("background-color:rgb(8,189,253)");
    }else
    {
        this->btn->setEnabled(false);
        this->btn->setStyleSheet("background-color:red");
    }
}