C++ Qt 登录界面 Login

效果:

核心代码:

#include "simpleapp.h" #include "ui_simpleapp.h" #include <QMessageBox>  SimpleApp::SimpleApp(QWidget *parent)     : QMainWindow(parent)     , ui(new Ui::SimpleApp) {     ui->setupUi(this); }  SimpleApp::~SimpleApp() {     delete ui; }  void SimpleApp::on_btnExit_clicked() {     close();  }   // 此项目参考地址: // https://www.youtube.com/watch?v=6FjOY28Nl5g&ab_channel=HelloC%26CPPByProgrammingKnowledge   void SimpleApp::on_btnLongin_clicked() {     QString name = ui->usernameTxt->text();     QString pass = ui->passwordTxt->text();       if (name == "admin" && pass == "123") {         QMessageBox::information(this, "Login", "账号密码都正确！");          // 先隐藏登录窗口。         hide();          // 显示一个新的窗口。         secDialog = new SecDialog(this);         secDialog->show();      } else {         QMessageBox::warning(this, "Login", "账号或密码不正确！请检查！");     } }  

完整项目已经上传， 免积分下载，https://download.csdn.net/download/waterHBO/89547456