www.pudn.com > exercise.rar > DaytimeServer.java

import java.net.*; 
import java.io.*; 
 
public class DaytimeServer 
{ 
public static final int SERVICE_PORT = 2003; 
 
public static void main(String args[]) 
{ 
try 
{ 
// 绑定到服务端口，给客户端授予访问TCP daytime服务的权限 
ServerSocket server = new ServerSocket  
(SERVICE_PORT); 
 
System.out.println ("Daytime service started"); 
 
// 无限循环，接受客户端 
for (;;) 
{ 
// 获取下一个TCP客户端 
Socket nextClient = server.accept(); 
 
// 显示连接细节 
System.out.println ("Received request from " + 
nextClient.getInetAddress() + ":" +  
nextClient.getPort() ); 
 
// 不读取数据，只是向消息写信息 
OutputStream out =  
nextClient.getOutputStream(); 
PrintStream pout = new PrintStream (out); 
 
// 把当前数据显示给用户 
pout.print( new java.util.Date() ); 
 
// 清除未发送的字节 
out.flush(); 
 
// 关闭流 
out.close(); 
 
// 关闭连接 
nextClient.close(); 
} 
} 
catch (BindException be) 
{ 
System.err.println ("Service already running on port " + SERVICE_PORT ); 
} 
catch (IOException ioe) 
{ 
System.err.println ("I/O error - " + ioe); 
} 
} 
}