java中的socket编程的入门源码

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socke常也称作"套接字"，用于描述IP地址和端口，是一个通信链的句柄。应用通常通过"套接字"向网络发出请求或者应答网络请求。

编写socke的服务器端代码：

package com.evan.blog;import java.io.IOException;import java.io.InputStream;import java.net.ServerSocket;import java.net.Socket;public class BlogServer {public static void main(String[] args) {try {ServerSocket serverSocket = new ServerSocket(8080);Socket socket = serverSocket.accept();InputStream is = socket.getInputStream();byte[] b = new byte[1024];int len;StringBuffer sb = new StringBuffer();while ((len = is.read(b)) != -1) {String str = new String(b, 0, len);sb.append(str);}is.close();System.out.println(sb.toString());System.out.println("有人访问本机的8080端口了，并传入了'" + sb.toString() + "'值");} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}

客户端源码：

package com.evan.blog;import java.io.IOException;import java.io.OutputStream;import java.net.InetAddress;import java.net.Socket;import java.net.UnknownHostException;public class BlogClient {public static void main(String[] args) {try {Socket socket = new Socket(InetAddress.getLocalHost().getHostAddress(), 8080);//得到本机的IP地址OutputStream os = socket.getOutputStream();String str = "my blog socket";os.write(str.getBytes());os.flush();os.close();} catch (UnknownHostException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}

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