聊天室

电脑端聊天室小程序，实现方法及部分代码！ 希望对大家有所帮助

ChatManager.java

import java.util.Vector;

/**
 * 1、把所有的东西都管理起来 add 2、把一个的人的东西 发给其他所有人
 * @author Administrator
 */
public class ChatManager {
    // Vector 和 List 都是集合
    // Vector线程安全 list线程不安全 速度快
    Vector<ChatSocket> list = new Vector<ChatSocket>();

    private ChatManager() {
    };

    private static ChatManager manager = new ChatManager();

    public static ChatManager getInstance() {
        return manager;
    }

    public void add(ChatSocket chatSocket) {
        list.add(chatSocket);
    }

    /**
     * 1、接收一个参数   ：发送数据的人
     * 2、因为在管理器重有一个vector集合  那么就可以把集合中的每一个char线程获取得到  发送数据
     * @param socket
     */
    public void publishData(ChatSocket cs, String data) {
        for (int i = 0; i < list.size(); i++) {
            if(cs != list.get(i)){
                list.get(i).sendData(data);
            }
        }
    }
}

ChatSocket.java

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;

public class ChatSocket extends Thread{
    Socket socket;
    public ChatSocket(Socket socket) {
        super();
        this.socket = socket;
    }

    @Override
    public void run() {
        readData();
        super.run();
    }

    private void readData() {
        try {
            InputStream is = socket.getInputStream();
            InputStreamReader isr = new InputStreamReader(is, "utf-8");
            //可以按行读取
            BufferedReader br = new BufferedReader(isr);

            String line = "";
            while((line = br.readLine()) != null){
                //读到客户端数据后  转发给其他客户端
                ChatManager.getInstance().publishData(this, line);
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    public void sendData(String data){
        try {
            OutputStream os = socket.getOutputStream();
            OutputStreamWriter osw = new OutputStreamWriter(os, "utf-8");
            BufferedWriter bw = new BufferedWriter(osw);
            bw.write(data + "\r\n");
            bw.flush();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}

MyServerSocket.java

public class MyServerSocket {
    public static void main(String[] args) {
        new SocketListner().start();
        System.out.println("服务器已经开启");
    }
}

# SocketListner.java

import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;

public class SocketListner extends Thread{
    @Override
    public void run() {
        try {
            ServerSocket ss = new ServerSocket(10101);
            while(true){
                Socket socket = ss.accept();
                System.out.println("客户端连接成功");


                ChatSocket chatSocket = new ChatSocket(socket);
                chatSocket.start();
                //把聊天线程的对象 放到一个管理器的集合中
                ChatManager.getInstance().add(chatSocket);
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        super.run();
    }
}

手机端聊天室，在电脑端的基础上才可以运行！

activity_main.xml

<Button 
    android:id="@+id/btn_conn"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="链接服务器"
    />
<TextView
    android:id="@+id/tv"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_above="@+id/et"
    android:`这里写代码片`layout_below="@+id/btn_conn"
    android:text="聊天记录" />

<EditText 
    android:id="@+id/et"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:hint="请输入信息"
    android:layout_above="@+id/btn_send"
    />
<Button 
    android:id="@+id/btn_send"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="发送"
    android:layout_alignParentBottom="true"
    />

MainActivity.java

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.Socket;

import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;


public class MainActivity extends Activity {

    TextView tv;
    EditText et;
    Button btn_send, btn_conn;

    BufferedReader br;
    BufferedWriter bw;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        tv = (TextView) findViewById(R.id.tv);
        et = (EditText) findViewById(R.id.et);
        btn_send = (Button) findViewById(R.id.btn_send);
        btn_conn = (Button) findViewById(R.id.btn_conn);

        btn_conn.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                connectServer();
            }
        });

        btn_send.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                sendData();
            }
        });

    }
    protected void sendData() {
        if(bw != null){
            try {
                tv.append("\r\n我说：" + et.getText().toString());
                bw.write(et.getText().toString() + "\r\n");
                bw.flush();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }

    /**
     * 1、链接服务器数据网络请求
     *      1、使用线程+handler 或者 异步任务
     *      2、添加网络权限
     */
    protected void connectServer() {
        new AsyncTask<String, String, String>() {

            @Override
            protected String doInBackground(String... params) {
                //使用Socket链接服务器的过程
                try {
                    Socket socket = new Socket("169.254.122.215", 10101);
                    br = new BufferedReader(new InputStreamReader(socket.getInputStream()));
                    bw = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));

                    String line = "";
                    while((line = br.readLine()) != null){
                        //把line数据显示在TextView上
                        publishProgress(line);
                    }
                } catch (Exception e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                return null;
            }

            @Override
            protected void onPostExecute(String result) {
                // TODO Auto-generated method stub
                super.onPostExecute(result);
            }

            @Override
            protected void onProgressUpdate(String... values) {
                tv.append("\r\n别人说:" + values[0]);
                super.onProgressUpdate(values);
            }

        }.execute();
    }

}