大家幫我看看 為啥子是個死循環 ，while(info!=null)才執行 ?客戶端就發了 一條字符串 ，為啥子是無限讀取

服務端

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.net.ServerSocket;

import java.net.Socket;

?

public class Server {

public static void main(String[] args)

{

try {

ServerSocket sersoc=new ServerSocket(9999);

System.out.print("服務器正在啟動等待鏈接");

Socket soc=sersoc.accept();

InputStream is=soc.getInputStream();

BufferedReader isr=new BufferedReader(new InputStreamReader(is));

String info=null;

info=isr.readLine();

while(info!=null)

{

System.out.print("服務器接受的內容"+info+"\n");

}

soc.shutdownInput();

sersoc.close();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

?

}

?

?

}

客戶端：
import?java.io.IOException;
import?java.io.OutputStream;
import?java.io.PrintWriter;
import?java.net.Socket;
import?java.net.UnknownHostException;
?
public?class?client?{
public?static?void?main(String[]?args)
{
Socket?soc=null;
try?{
soc?=?new?Socket("localhost",9999);
OutputStream?os=soc.getOutputStream();
PrintWriter?osw=new?PrintWriter(os);
osw.write("我是客戶端?");
osw.flush();
soc.shutdownOutput();
soc.close();
}?catch?(UnknownHostException?e)?{
//?TODO?Auto-generated?catch?block
e.printStackTrace();
}?catch?(IOException?e)?{
//?TODO?Auto-generated?catch?block
e.printStackTrace();
}
?
}