vbirds 发表于 2014-11-20 23:34:20

QT-GUI简单的登录界面制作(暗文密码)---by vbirds

            默认的登入用户名为:jhz, 密码:admin#mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QMessageBox>
#include <QLineEdit>

namespace Ui {
class MainWindow;
}

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();

private slots:
    void on_loginButton_clicked();

private:
    Ui::MainWindow *ui;
};

#endif // MAINWINDOW_H


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

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    ui->passwordlineEdit->setEchoMode(QLineEdit::Password);
    QObject::connect(ui->passwordlineEdit,SIGNAL(returnPressed()),this,SLOT(on_loginButton_clicked()));
}

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

void MainWindow::on_loginButton_clicked()
{

    if(ui->userlineEdit->text()=="jhz"&&ui->passwordlineEdit->text()=="admin")
    {
      QMessageBox::information(this,"Login","Login Successd");
    }
    else
    {
      QMessageBox::information(this,"Passwd Error","Please Input currected user or passwd");
      return;
    }
}






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