TCP通信程序练习（多线程实现文件上传）

import java.io.*;
import java.net.Socket;
/*
    客户端，数据来自于文本文件,接收服务器反馈
 */
public class ClientDemo005 {
    public static void main(String[] args) throws IOException {
        //创建客户端Socket对象
        Socket s = new Socket("192.168.190.166", 10000);
        //封装文本文件的数据
        BufferedReader br = new BufferedReader(new FileReader("hello.java"));
        //封装输入流写数据
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(s.getOutputStream()));
        String line;
        while ((line = br.readLine()) != null) {
            bw.write(line);
            bw.newLine();
            bw.flush();
        }
        //自定义结束标记
        s.shutdownOutput();
        //接收反馈
        BufferedReader brClient = new BufferedReader(new InputStreamReader(s.getInputStream()));
        String data = brClient.readLine();//等待读取数据
        System.out.println("服务器的反馈：" + data);
        //释放资源
        br.close();
        s.close();
    }
}

import java.io.*;
import java.net.Socket;
public class ServerThread implements Runnable {
    private Socket s;
    public ServerThread(Socket s) {
        this.s = s;
    }
    @Override
    public void run() {
        try {
            //接收数据写到文本文件
            BufferedReader br = new BufferedReader(new InputStreamReader(s.getInputStream()));
            //解决名称冲突问题
            int count = 0;
            File file = new File("Copy["+count+"].java");
            while(file.exists()){
                count++;
                file = new File("Copy["+count+"].java");
            }
            BufferedWriter bw = new BufferedWriter(new FileWriter((file)));
            String line;
            while((line = br.readLine())!=null){
                bw.write(line);
                bw.newLine();
                bw.flush();
            }
            //输出反馈
            BufferedWriter bwServer = new BufferedWriter(new OutputStreamWriter(s.getOutputStream()));
            bwServer.write("文件上传成功");
            bwServer.newLine();
            bwServer.flush();
            //释放资源
            s.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
/*
    服务器：接收到的数据写入文本文档，给出反馈，代码用线程进行封装，为每个客户端开启一个线程
 */
public class ServerDemo005 {
    public static void main(String[] args) throws IOException {
        //创建服务器Socket对象
        ServerSocket ss = new ServerSocket(10000);
        while(true) {
            //监听客户端连接，返回一个对应的Socket对象
            Socket s = ss.accept();
            //为每一个客户端开启一个线程
            new Thread(new ServerThread(s)).start();
        }
    }
}