register.java

这是一个用java做的网络聊天室

package com.chatroom;

import java.awt.Color;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedWriter;
import java.io.FileWriter;

import javax.swing.ButtonGroup;
import javax.swing.ButtonModel;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPasswordField;
import javax.swing.JRadioButton;
import javax.swing.JTextField;

import java.io.*;


import sun.security.x509.RFC822Name;


public class Register extends JFrame {

	private ButtonGroup buttonGroup = new ButtonGroup();
	private JPasswordField passwordField_1;
	private JPasswordField passwordField;
	private JTextField textField;
	private Login login;
	static int personNumber =0;
	
	JOptionPane optionPane;
	
	
	String inStr;
	String sex;
	String writeMessage;
	/**
	 * Launch the application
	 * @param args
	 */
/*	public static void main(String args[]) {
		try {
			Register frame = new Register();
			frame.setVisible(true);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}*/

	/**
	 * Create the frame
	 */
	public Register() {
		super("注册");
		getContentPane().setBackground(Color.PINK);
		getContentPane().setLayout(null);
		setBounds(100, 100, 360,300);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setResizable(false);

		final JLabel label = new JLabel();
		label.setForeground(Color.BLUE);
		label.setText("请输入用户名");
		label.setBounds(54, 68, 120, 30);
		getContentPane().add(label);

		textField = new JTextField();
		textField.setBounds(168, 69, 120, 30);
		getContentPane().add(textField);

		final JLabel label_1 = new JLabel();
		label_1.setForeground(Color.BLUE);
		label_1.setText("请输入密码");
		label_1.setBounds(54, 122, 120, 30);
		getContentPane().add(label_1);

		passwordField = new JPasswordField();
		passwordField.setForeground(Color.RED);
		passwordField.setBounds(168, 123, 120, 30);
		getContentPane().add(passwordField);

		final JLabel label_2 = new JLabel();
		label_2.setForeground(Color.BLUE);
		label_2.setText("请确认密码");
		label_2.setBounds(54, 173, 120, 30);
		getContentPane().add(label_2);

		passwordField_1 = new JPasswordField();
		passwordField_1.setForeground(Color.RED);
		passwordField_1.setBounds(168, 174, 120, 30);
		getContentPane().add(passwordField_1);

		final JRadioButton radioButton = new JRadioButton();
		radioButton.setSelected(true);
		radioButton.setBackground(Color.PINK);
		buttonGroup.add(radioButton);
		radioButton.setText("男");
		radioButton.setBounds(80, 209, 120, 30);
		getContentPane().add(radioButton);

		final JRadioButton radioButton_1 = new JRadioButton();
		radioButton_1.setBackground(Color.PINK);
		buttonGroup.add(radioButton_1);
		radioButton_1.setText("女");
		radioButton_1.setBounds(224, 209, 120, 30);
		getContentPane().add(radioButton_1);

		final JButton button = new JButton();
		button.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {
				optionPane.showMessageDialog(null, "很遗憾注册失败,将退回上一步！", "退出消息",
						optionPane.ERROR_MESSAGE);
				toLogin();
			}
		});
		button.setBackground(Color.CYAN);
		button.setText("退出");
		button.setBounds(0, 245, 120, 30);
		getContentPane().add(button);

		final JButton button_1 = new JButton();
		button_1.addActionListener(new ActionListener() {
			private Login login;

			public void actionPerformed(ActionEvent arg0) {
				int i=0;
				if (textField.getText().length()==0) {
					optionPane.showMessageDialog(null, "用户名不能为空");
				} else {
					i++;            
				}
				if (passwordField.getPassword().length==0) {
					optionPane.showMessageDialog(null, "登录密码不能为空");
				} else {
                    i++;
				}
				if (passwordField_1.getPassword().length==0) {
					optionPane.showMessageDialog(null, "确认密码不能为空");
				} else {
                    i++;
				}
				if (!new String(passwordField.getPassword()).equals(new String(passwordField_1.getPassword()))) {
					optionPane.showMessageDialog(null, "两次输入密码不相同，请再次输入！");
				} else {
                    i++;
				}
				if(i==4){
					if(radioButton_1.isSelected()==false){
						sex=radioButton.getText();
					}else{
						sex=radioButton_1.getText();
					}
					optionPane.showMessageDialog(null, "恭喜您注册成功!" +"\n"+
							"您的用户名为："+textField.getText() + "\n"+"您的登录密码为:"
							+ new String(passwordField.getPassword())+"\n"+"您的性别为:"
							+sex);
				String writeMessage="第"+personNumber+"位用户信息如下:"+"  "+"用户名:"+textField.getText()+"登录密码:"
				+ new String(passwordField.getPassword())+"性别:"+sex+"\r\n";
					try {
						File f =new File("e:\\order.txt");
						if (!f.exists()) {
							f.createNewFile();
						} 

						FileWriter fw =new FileWriter(f,true);
						BufferedWriter bw =new BufferedWriter(fw);
						bw.write(writeMessage);
						bw.close();
						
					} catch (Exception e) {
						// TODO: handle exception
						e.printStackTrace();
					}
				toLogin();
				}
				personNumber++;
				
			}
		});
		button_1.setBackground(Color.CYAN);
		button_1.setText("提交");
		button_1.setBounds(234, 245, 120, 30);
		getContentPane().add(button_1);

		final JLabel label_3 = new JLabel();
		label_3.setForeground(Color.YELLOW);
		label_3.setFont(new Font("华文行楷", Font.BOLD | Font.ITALIC, 26));
		label_3.setText("  友谊聊天室提醒你注册信息");
		label_3.setBounds(0, 0, 354, 62);
		getContentPane().add(label_3);
		
	}
	private void toLogin() {
		// TODO Auto-generated method stub
		if (this.isVisible()) {
			this.setVisible(false);
		}
		login =new Login();
		login.setVisible(true);
		

	}

}