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多线程内的代码:
package com.lkbhua.TcpAppDemp.Test.test5; import java.io.*; import java.net.Socket; import java.util.UUID; public class MyRunnable implements Runnable { Socket socket; UUID uuid = UUID.randomUUID(); public MyRunnable(Socket socket) { this.socket = socket; } @Override public void run() { try { System.out.println("一个客户端连接了..."); // 3、读取数据，并保存到本地文件中 BufferedInputStream bis = new BufferedInputStream(socket.getInputStream()); String name = uuid.toString().replace("-", ""); BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream("lkb06-SocketNetCode\\aaa\\" + name)); int len; byte[] bytes = new byte[1024]; while ((len = bis.read(bytes)) != -1) { bos.write(bytes,0,len); } System.out.println("保存完毕..."); // 4、回写数据 BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())); bw.write("上传成功"); bw.newLine(); bw.flush(); // 5、关闭资源 } catch (IOException e) { e.printStackTrace(); } finally { if(socket != null){ try { socket.close(); } catch (IOException e) { e.printStackTrace(); } } } } }package com.lkbhua.TcpAppDemp.Test.test5; import java.io.*; import java.net.ServerSocket; import java.net.Socket; import java.util.UUID; public class server { public static void main(String[] args) throws IOException { // TCP综合练习3——上传文件 // 客服端: 将本地文件上传到服务器，接受服务器的反馈 // 服务端: 接受文件并保存，返回上传成功 // 1、创建ServerSocket对象并且绑定端口号 ServerSocket ss = new ServerSocket(10000); UUID uuid = UUID.randomUUID(); System.out.println("服务器启动了..."); while(true){ // 2、等待客户端连接 Socket socket = ss.accept(); // 开启一条线程 // 一个用户就对应服务端的一条线程 new Thread(new MyRunnable( socket)).start(); } } }package com.lkbhua.TcpAppDemp.Test.test5; import java.io.*; import java.net.Socket; public class client { public static void main(String[] args) throws IOException { // TCP综合练习3——上传文件 // 客服端: 将本地文件上传到服务器，接受服务器的反馈 // 服务端: 接受文件并保存，返回上传成功 // 1、创建socket对象，并且连接服务器 Socket socket = new Socket("127.0.0.1",10000); // 2、读取本地文件中的数据，并写到服务器当中 BufferedInputStream bis = new BufferedInputStream(new FileInputStream("lkb06-SocketNetCode\\b.txt")); BufferedOutputStream bos = new BufferedOutputStream(socket.getOutputStream()); byte[] bytes = new byte[1024]; int len; while ((len = bis.read(bytes)) != -1) { bos.write(bytes,0,len); } // 写出结束标记 socket.shutdownOutput(); // 3、接受服务器的回写数据 BufferedReader br = new BufferedReader(new InputStreamReader(socket.getInputStream())); String line = br.readLine(); System.out.println(line); // 4、关闭流资源 socket.close(); } }
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