tcpclient.java

程序测试说明

package test;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.Socket;
import java.net.SocketException;

public class TCPClient {

	static public DataInputStream input; // 定义输入流 
	     static public DataOutputStream output; // 定义输出流 
	     static public void main(String args[]) { 
	       int Port = 7777; // 默认的服务器端口号 
	       String host = "210.32.179.164"; // 默认的服务器IP地址 
	       Socket s; // 通信套接字 
	       String msg = ""; 
	       if (args.length >= 1) { 
	         Port = Integer.parseInt(args[0]); // 由命令行设置服务器端口号 
	       } 
	       if (args.length >= 2) { 
	         host = args[1]; // 由命令行设置服务器IP地址 
	       } 
	       try { 
	         s = new Socket(host, Port); // 向服务器请求连接 
	    
	         input = new DataInputStream(s.getInputStream()); 
	         output = new DataOutputStream(s.getOutputStream()); 
	         msg = input.readUTF(); // 接收服务器信息
	         System.out.println(msg);
	         String connTag = msg.substring(0,1);
	         String str = "";
	         String username = "";
	         String password = "";
	         if(connTag.equalsIgnoreCase("W")){
	        	 str = "add{\nuid="+username;
	        	 str += "\ndomain="+host;
	        	 str += "\nuserPassword="+password;
	        	 str += "\n}";
	        	 output.writeUTF(str);
	        	 msg = input.readUTF();
	        	 System.out.println(msg);
	         }
	       } 
	       catch (IOException e) { 
	    	   e.printStackTrace();
	       }
	     }  
}