qt 登录页面点击事件

实现

#include "loginwidget.h"#include "ui_loginwidget.h"#define Account "admin"#define Pwd "123456"#include LoginWidget::LoginWidget(QWidget *parent) :QWidget(parent),ui(new Ui::LoginWidget){ui->setupUi(this);this->setWindowTitle("有道笔记");this->setWindowIcon(QIcon(":/pictrue/logo_icon.png"));//this->setStyleSheet("background-color:white;border-radius:10px");this->setStyleSheet("background-color:white;border-radius:10px");this->resize(788,1243);this->setFixedSize(788,1243);this->setWindowFlag(Qt::FramelessWindowHint);//隐藏表头QLabel * lab1 = new QLabel(this);lab1->resize(150,150);lab1->move(638,5);//lab1->setStyleSheet("background-color:red");lab1->setPixmap(QPixmap(":pictrue\\right_top.png"));lab1->setScaledContents(true);//图片自适应topBtn = new QPushButton(this);topBtn->resize(lab1->width(),lab1->height());topBtn->move(lab1->x(),lab1->y());topBtn->setStyleSheet("background:transparent");connect(topBtn,&QPushButton::clicked,this,&LoginWidget::change);QLabel * lab2 = new QLabel(this);lab2->resize(230,230);lab2->move(269,85);//lab2->setStyleSheet("background-color:red");lab2->setPixmap(QPixmap(":/pictrue/logo.png"));lab2->setScaledContents(true);//图片自适应edit1 = new QLineEdit(this);edit1->setPlaceholderText("请输入邮箱账号");edit1->setStyleSheet("barder-radius:10px;border: 1px solid gray;");edit1->resize(630,70);edit1->move(75,365);edit1->setMaxLength(18);edit2 = new QLineEdit(this);edit2->setPlaceholderText("请输入邮箱密码");edit2->setStyleSheet("barder-radius:10px;border: 1px solid gray;");edit2->resize(630,70);edit2->move(75,465);edit2->setMaxLength(18);edit2->setEchoMode(QLineEdit::Password);QPushButton * btn1 = new QPushButton(this);btn1->setText("登录");btn1->setStyleSheet("background-color:rgb(101,136,246);border-radius:10px;color:white");btn1->resize(630,70);btn1->move(75,665);connect(btn1,&QPushButton::clicked,this,&LoginWidget::login);btn2 = new QPushButton(this);btn2->setText("手机号登录");btn2->setStyleSheet("background-color:rgb(241,243,245);border-radius:10px;");btn2->resize(630,70);btn2->move(75,775);QLabel * lab3 = new QLabel(this);lab3->resize(666,294);lab3->move(70,926);//lab2->setStyleSheet("background-color:red");lab3->setPixmap(QPixmap(":/pictrue/bottom.png"));lab3->setScaledContents(true);//图片自适应lab4 = new QLabel(this);lab4->resize(722,1125);lab4->move(28,105);//lab1->setStyleSheet("background-color:red");lab4->setPixmap(QPixmap(":pictrue\\ewm.png"));lab4->setScaledContents(true);//图片自适应lab4->setHidden(true);}LoginWidget::~LoginWidget(){delete ui;}void LoginWidget::close_fun(){this->close();}void LoginWidget::login(){if(this->edit1->text() == Account && this->edit2->text() == Pwd){qDebug()<close();}else {if(this->edit1->text().size()!=0){this->edit1->clear();}this->edit2->clear();qDebug()<lab4->setHidden(false); type = 1; return; } if(type == 1){ this->lab4->setHidden(true); type = 0; return; }}

声明

#ifndef LOGINWIDGET_H#define LOGINWIDGET_H#include #include #include #include #include namespace Ui {class LoginWidget;}class LoginWidget : public QWidget{Q_OBJECTpublic:explicit LoginWidget(QWidget *parent = nullptr);~LoginWidget();//槽函数public slots:void close_fun();void login();void change();signals:void my_signal();private:Ui::LoginWidget *ui;QLabel * lab1;QPushButton *topBtn;QPushButton * btn2;QLineEdit * edit1 ;QLineEdit * edit2;QLabel * lab4 ;};#endif // LOGINWIDGET_H