做一个窗口界面

 

#include "mainwindow.h"
#include "ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);

    //设置窗口标题、图标
    this->setWindowTitle("Fly_Chat");
//    qDebug()<<this->size();//获取原窗口大小：400 300
    this->setWindowIcon(QIcon("D:\\My-software6\\01_Icon\\leaf.png"));
    //设置窗口固定大小
    this->setFixedSize(600,500);

    //设置背景logo
    QLabel *lab1=new QLabel("logo",this);
    //设置大小
    lab1->resize(600,200);
    lab1->setPixmap(QPixmap("D:\\My-software6\\01_Icon\\icon\\logo.png"));
    //设置内容为自适应大小
    lab1->setScaledContents(true);

    //设置账户密码图标
    QLabel *lab2=new QLabel("Username",this);
    lab2->resize(40,40);
    lab2->setPixmap(QPixmap("D:\\My-software6\\01_Icon\\icon\\userName.jpg"));
    lab2->setScaledContents(true);
    //移动组件
    lab2->move(140,270);

    QLabel *lab3=new QLabel("passwd",this);
    lab3->resize(40,40);
    lab3->setPixmap(QPixmap("D:\\My-software6\\01_Icon\\icon\\passwd.jpg"));
    lab3->setScaledContents(true);
    //移动组件
    lab3->move(140,330);

    //设置账户密码框
    QLineEdit *edit1=new QLineEdit(this);
    edit1->resize(250,40);
    edit1->move(200,270);
    edit1->setPlaceholderText("账号/手机号/邮箱");

    QLineEdit *edit2=new QLineEdit(this);
    edit2->resize(250,40);
    edit2->move(200,330);
    edit2->setPlaceholderText("密码");
    //把密码设置为密文模式
    edit2->setEchoMode(QLineEdit::Password);

    //设置登录与取消
    QPushButton *btn1=new QPushButton;
    btn1->setParent(this);
    btn1->setText("登录");
    btn1->resize(100,40);
    btn1->move(200,400);
    btn1->setIcon(QIcon("D:\\My-software6\\01_Icon\\icon\\login.png"));

    QPushButton *btn2=new QPushButton;
    btn2->setParent(this);
    btn2->setText("取消");
    btn2->resize(100,40);
    btn2->move(350,400);
    btn2->setIcon(QIcon("D:\\My-software6\\01_Icon\\icon\\cancel.png"));


}

MainWindow::~MainWindow()
{
    delete ui;
}