我要一个java开发的网页登录界面的源代码
时间: 2024-05-29 07:10:01 浏览: 16
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2. Stack Overflow
3. CodeProject
4. Java Code Geeks
5. Java2s.com
这些网站都提供免费的Java代码和教程资源。希望能对您有所帮助!
相关问题
java模拟qq登录界面源代码
以下是Java模拟QQ登录界面的源代码:
```java
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class LoginFrame extends JFrame implements ActionListener {
private JPanel panel;
private JLabel userLabel, passwordLabel;
private JTextField userText;
private JPasswordField passwordText;
private JButton loginButton, registerButton;
public LoginFrame() {
initUI();
setVisible(true);
}
private void initUI() {
setTitle("QQ登录");
setSize(300, 200);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
panel = new JPanel();
panel.setLayout(new GridLayout(3, 2));
userLabel = new JLabel("账号:");
passwordLabel = new JLabel("密码:");
userText = new JTextField();
passwordText = new JPasswordField();
loginButton = new JButton("登录");
registerButton = new JButton("注册");
loginButton.addActionListener(this);
registerButton.addActionListener(this);
panel.add(userLabel);
panel.add(userText);
panel.add(passwordLabel);
panel.add(passwordText);
panel.add(loginButton);
panel.add(registerButton);
add(panel);
}
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == loginButton) {
String username = userText.getText();
String password = new String(passwordText.getPassword());
// 进行登录验证
if (username.equals("admin") && password.equals("admin")) {
JOptionPane.showMessageDialog(this, "登录成功!");
} else {
JOptionPane.showMessageDialog(this, "登录失败!");
}
} else if (e.getSource() == registerButton) {
// 跳转到注册页面
JOptionPane.showMessageDialog(this, "跳转到注册页面!");
}
}
public static void main(String[] args) {
new LoginFrame();
}
}
```
此代码实现了一个简单的QQ登录界面,包括账号和密码输入框、登录和注册按钮。当用户点击登录按钮时,会进行账号密码验证;当用户点击注册按钮时,会弹出提示框。你可以在这个基础上进行二次开发,实现更多功能。
用java开发一个扫雷游戏,需要源代码
扫雷游戏是一个经典的游戏,在 Java 中可以使用 Swing 或 JavaFX 等图形界面工具包来开发。
下面是一个简单的扫雷游戏的示例代码,使用了 Swing 来实现图形界面。
```java
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class MineSweeper extends JFrame {
private int rows;
private int cols;
private int mines;
private JButton[][] buttons;
private boolean[][] minesMap;
private boolean[][] revealed;
public MineSweeper(int rows, int cols, int mines) {
this.rows = rows;
this.cols = cols;
this.mines = mines;
this.buttons = new JButton[rows][cols];
this.minesMap = new boolean[rows][cols];
this.revealed = new boolean[rows][cols];
// Generate mines map
for (int i = 0; i < mines; i++) {
int row = (int) (Math.random() * rows);
int col = (int) (Math.random() * cols);
if (!minesMap[row][col]) {
minesMap[row][col] = true;
} else {
i--;
}
}
// Create buttons
for (int i = 0; i < rows; i++) {
for (int j = 0; j < cols; j++) {
JButton button = new JButton();
button.addMouseListener(new ButtonListener(i, j));
buttons[i][j] = button;
add(button);
}
}
setTitle("Mine Sweeper");
setLayout(new GridLayout(rows, cols));
setSize(cols * 50, rows * 50);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
}
public static void main(String[] args) {
new MineSweeper(10, 10, 10);
}
private class ButtonListener extends MouseAdapter {
private int row;
private int col;
public ButtonListener(int row, int col) {
this.row = row;
this.col = col;
}
@Override
public void mouseClicked(MouseEvent e) {
JButton button = (JButton) e.getSource();
if (e.getButton() == MouseEvent.BUTTON1) {
if (minesMap[row][col]) {
button.setText("X");
} else {
button.setText(Integer.toString(countAdjacentMines(row, col)));
}
revealed[row][col] = true;
} else