python搭建服务器实现两个Android客户端间收发消息

本文为大家分享了python搭建服务器实现两个Android客户端间收发消息，供大家参考，具体内容如下

python服务器

# coding:utf-8

import socket
import threading
import time

def handle_client(client_socket, client_id):
 """处理客户端请求"""
 # 获取客户端请求数据

while True:
   try:
     request_data = client_socket.recv(1024)
   except Exception:
     time.sleep(0.2)
     continue
   if len(request_data) > 0:
     request_lines = request_data.splitlines()
     print(request_lines[0].decode("utf-8"))
     #res = int(request_lines[0]) + 1
     client_socket_list[(client_id+1) ％ 2].send(bytes(str(request_lines[0].decode("utf-8"))+"\n", "utf-8"))
 client_socket_list.remove(client_id)

if __name__ == "__main__":
 server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 """
 socket（）是一个函数，创建一个套接字，
 AF_INET 表示用IPV4地址族，
 SOCK_STREAM 是说是要是用流式套接字
 """
 # server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) # 设置地址重用
 server_socket.bind(("10.2.70.42", 8000)) # 绑定端口
 server_socket.listen(2) # 开启监听
 client_socket_list = []
 client_num = 0
 Isready = False

while True:
   client_id = client_num
   client_socket, client_address = server_socket.accept()
   print("[％s, ％s]用户连接上了" ％ client_address)
   handle_client_thread = threading.Thread(target=handle_client, args=(client_socket, client_id))
   """
   tartget表示这个进程到底要执行什么行为
   args是target要接受的参数
   """
   client_socket_list.append(client_socket)
   client_num += 1
   if len(client_socket_list) == 3:
     client_socket_list.pop(0)
   client_socket.setblocking(0)
   handle_client_thread.start()

Android客户端-Java代码

package com.example.administrator.wuziqi_intenet;

import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

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 java.net.URLDecoder;
import java.net.UnknownHostException;

import static com.example.administrator.wuziqi_intenet.R.id.button1;

public class MainActivity extends AppCompatActivity {

Button button = null;
 TextView textView = null;
 EditText editText = null;
 Socket socket;
 BufferedWriter pw=null;
 BufferedReader is=null;
 String string="baba";
 @Override
 protected void onCreate(Bundle savedInstanceState) {
   super.onCreate(savedInstanceState);
   setContentView(R.layout.activity_main);

new Thread() {
     @Override
     public void run() {
         try{
           socket = new Socket("10.2.70.42", 8000);
           socket.setSoTimeout(10000);
           pw = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
           is = new BufferedReader(new InputStreamReader(socket.getInputStream()));
         } catch (IOException e) {
           e.printStackTrace();
         }

}
     }.start();

button = (Button) findViewById(button1);
   textView = (TextView) findViewById(R.id.textview);
   editText = (EditText) findViewById(R.id.input);

handler.sendEmptyMessageDelayed(1, 100);

button.setOnClickListener(new View.OnClickListener() {
     @Override
     public void onClick(View view) {
       new Thread(){
         @Override
         public void run()
         {
           String msg = editText.getText().toString();
           try{
             pw.write(msg);
             pw.flush();
           } catch (UnknownHostException e) {
             Toast.makeText(MainActivity.this,"失败1",Toast.LENGTH_SHORT).show();
             e.printStackTrace();
           } catch (IOException e) {
             Toast.makeText(MainActivity.this,"失败2",Toast.LENGTH_SHORT).show();
             e.printStackTrace();
           }
         }
       }.start();
       editText.setText("");
     }
   });

}
 private Handler handler = new Handler() {

public void handleMessage(Message message) {
     try {
       Moving();
     } catch (IOException e) {
       e.printStackTrace();
     }
   }

};
 private void Moving() throws IOException {
   new Thread() {
     @Override
     public void run() {
       try {
         if (is.ready())
           string = is.readLine();
       } catch (IOException e) {
         e.printStackTrace();
       }
     }
   }.start();
   byte[] b=string.getBytes();
   String s1=new String(b);
   System.out.println(s1);
   textView.setText(string);
   handler.sendEmptyMessageDelayed(1, 100);
 }
}

来源：https://blog.csdn.net/sb_ihateyou/article/details/78989875