如何用java编写一个qq消息群发软件

[浪漫小和]

如何用java编写一个qq消息群发软件，
想了半天也没想出来，大神给点思路
或者给点demo看看吧~~。

[三楚雄风]

应该是用观察者模式吧

[oO临时工Oo]

采用UDP或TCP可以实现。如果要简单点，用在WEB上的，HTTP也可以实现。 传输协议和数据格式可以如下中的一种： TCP+XML TCP+JSON UDP+XML UDP+JSON HTTP+XML 或 HTTP+JSON 界面的话：WEB就用HTML、C/S如果Java的话只能用Swing这类东西了

[马七甲]

这个好玩

[suciver]

你要群发qq得找腾讯的qq发消息的api

[DY1201]

package com.sjd.socket;

import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.Socket;
 
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
 
//import com.util.Util;
 
 
public class ClientUI {
 
    private JFrame jf = null;
    private JButton but = null;
    private JTextArea showMessage = null;
    private JTextArea inputMessage = null;
     
    //
    private Socket socket = null;
    private String message;
     
    BufferedReader br = null;
    OutputStream out = null;
     
    BufferedWriter bw = null;
    InputStream is = null;
     
    public ClientUI(){
        join();
        init();
        //1.创建客户端套接字，向服务器发送请求
    }
     
    private void init(){
        jf = new JFrame("MyFrame");
        int width = 602,height = 445;
        //jf.setBounds(Util.getsetWidthPosition(width), Util.getsetHeigthPosition(height), width, height);
        jf.setBounds(0, 0, width, height);
     
        jf.setLayout(new FlowLayout(FlowLayout.RIGHT));
        jf.setResizable(false);
         
        but = new JButton("发送");
        showMessage = new JTextArea(16, 53);
        showMessage.setEditable(false);//聊天记录不能被修改
        showMessage.setLineWrap(true);//内容超出文本域长度自动换行
        showMessage.setWrapStyleWord(true);//换行不断字
         
        inputMessage = new JTextArea(4, 53);
        inputMessage.setLineWrap(true);//内容超出文本域长度自动换行
        inputMessage.setWrapStyleWord(true);//换行不断字
         
        jf.add(new JScrollPane(showMessage));
        jf.add(but);
        jf.add(new JScrollPane(inputMessage));
     
        myEvent();
        jf.setVisible(true);
        jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        receive();//把这个接收放在这，程序启动时运行一次。
    }
     
    private void myEvent(){
        but.addActionListener(new ActionListener() {
             
            @Override
            public void actionPerformed(ActionEvent e) {
                 
//                String date = new SimpleDateFormat("yyyyMMdd_HH:mm:ss").format(new Date());
//                showMessage.append(date +"\n"+inputMessage.getText()+"\r\n");
                 
                //发送信息给服务器
                //receive();//有线程启动，放这需要等待按键，每次要启动，不合适。你可以再调试。
                sendMessageToServer();
            }
        });
    }
     
    private void join(){
        new Thread(new Runnable(){
 
            public void run() {
                // TODO Auto-generated method stub
                try {
                    socket=new Socket("127.0.0.1",30000);
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }}).start();
         
         
    }
    //接收信息
    private void receive() {
        try {
            is = socket.getInputStream();
        } catch (IOException e1) {
            // TODO Auto-generated catch block
        }
        br = new BufferedReader(new InputStreamReader(is));
        try {
            String s = br.readLine();//等待第一次输入信息，这块可以优化。
            showMessage.append(s+"\r\n");//输出到窗口
        } catch (IOException e1) {
            e1.printStackTrace();
        }
        new Thread(new Runnable() {
            public void run() {
                try {
                    while ((message = br.readLine()) != null) {
                        showMessage.append(message+"\r\n");
                    }
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                }
            }
        }).start();
    }
     
    //发送信息
    private void sendMessageToServer() {
 
        try {
            out = socket.getOutputStream();
            bw = new BufferedWriter(new OutputStreamWriter(out));
 
            bw.write(inputMessage.getText());
            //System.out.println(inputMessage.getText());
            inputMessage.setText("");
            bw.newLine();
            bw.flush();
            //System.out.println(socket);
 
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
     
    public static void main(String[] args) {
        new ClientUI();
    }
}

[DY1201]

package com.sjd.socket;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

public class ServerThread extends Thread {
	public static Map<Socket, Set> clientMap = new HashMap<Socket, Set>();

	private Socket client;

	public ServerThread(Socket client) {
		super();
		this.client = client;
	}

	@Override
	public void run() {
		try {
			InputStream in = client.getInputStream();
			OutputStream out = null;
			while (true) {
				// InputStream in=client.getInputStream();//放到循环外边去
				byte[] b = new byte[1024];
				int i = in.read(b, 0, b.length);
				String messge = new String(b).trim() + "\r\n";// 补上回车换行。

				Set<Socket> set = clientMap.keySet();
				for (Socket soc : set) {
					out = soc.getOutputStream();
					byte[] bb = messge.getBytes();
					out.write(bb, 0, bb.length);
					out.flush();// 刷出
				}
			}
		}
		catch (IOException e) {
			e.printStackTrace();
		}
	}
}

[DY1201]

package com.sjd.socket;

import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
 
public class Server {
 
    /**
     * @param args
     */
    //服务器
    public static void main(String[] args) {
 
        try {
            ServerSocket server=new ServerSocket(30000);
             
            while (true) {
                Socket client = server.accept();
                ServerThread.clientMap.put(client, null);
                new ServerThread(client).start();
            }
             
        } catch (IOException e) {
            // TODO Auto-generated catch block
        }
    }
}