异常为：java.io.ioexception

客户端代码如下：

package package1.socket;

import java.net.*;

import java.io.*;

import java.util.*;

public class C_Scoket {

Socket C_S;

BufferedReader br;

PrintWriter pw;

String receive;

public static void main(String[] args) {

C_Scoket c_scoket = new C_Scoket();

c_scoket.ConnectToServer();

}

public C_Scoket(){

C_S=null;

br=null;

pw=null;

receive="";

}

public void ConnectToServer(){

try{

C_S = new Socket("localhost", 10000);

br=new BufferedReader(new InputStreamReader(C_S.getInputStream()));

pw=new PrintWriter(C_S.getOutputStream(),true);

System.out.println("Now sends cmd:\"date\" to server……");

pw.println("date");

receive=br.readLine();

if(receive!=null){

System.out.println("The data has been received,that is "+receive);

}

else{

System.out.println("The data is losted.");

}

System.out.println("Now sends cmd:\"Dom\" to server……");

pw.println("dOm");

receive=br.readLine();

if(receive!=null){

System.out.println("The data has been received,that is "+receive);

}

else{

System.out.println("The data is losted.");