QT DAY1

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 300this->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logoQLabel *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;
}