Day 2 Qt

#include "my_widget.h"
#include "ui_my_widget.h"My_Widget::My_Widget(QWidget *parent): QWidget(parent), ui(new Ui::My_Widget)
{ui->setupUi(this);//窗口的相关设置
//    this -> resize(800,500);this -> setWindowTitle("QQ聊天");this -> setWindowIcon(QIcon(":/pictrue/pictrue/qq.png"));//标签相关设置ui-> logoLab ->setPixmap(QPixmap(":/pictrue/pictrue/logo.png"));ui -> logoLab -> setScaledContents(true);//账号和密码ui -> userNameLab -> resize(40,40);ui -> userNameLab -> setPixmap(QPixmap(":/pictrue/pictrue/wodepeizhenshi.png"));ui -> userNameLab -> setScaledContents(true);ui -> passwdLab -> resize(40,40);ui -> passwdLab ->setPixmap(QPixmap(":/pictrue/pictrue/passwd.jpg"));ui -> passwdLab ->setScaledContents(true);//账号密码输入ui -> usrEdit ->setPlaceholderText("QQ账号/手机号码/QQ邮箱");ui -> passwdEdit -> setPlaceholderText("请输入密码");ui -> passwdEdit -> setEchoMode(QLineEdit::Password);//登录按钮ui -> btn1 ->setIcon(QIcon(":/pictrue/pictrue/login.png"));ui -> btn2 ->setIcon(QIcon(":/pictrue/pictrue/cancel.png"));connect(ui ->btn1,&QPushButton::clicked,this,&My_Widget::btn1_slot);connect(ui->btn2,SIGNAL(clicked()),this,SLOT(my_slot()));}My_Widget::~My_Widget()
{delete ui;
}void My_Widget::my_slot()
{this ->close();
}
void My_Widget:: btn1_slot()
{QString s = ui ->usrEdit->text();//存入输入的数据QString v = ui ->passwdEdit->text();//存入输入的数据//判断输入是否正确if(s=="admin"&&v=="123456"){qDebug() << "登录成功";this->close();}else{qDebug() << "登录失败,请正确输入" ;ui ->usrEdit->clear();ui->passwdEdit -> clear();}}