Sockets 服务器套接字仅在客户端套接字关闭后打印
我正在实现一个java多线程服务器。客户端写入套接字流的任何内容都不会在服务器端打印出来。只有在我终止客户端线程之后,数据才会被打印出来。有什么问题? 以下是我发送数据的客户端代码:Sockets 服务器套接字仅在客户端套接字关闭后打印,sockets,serversocket,Sockets,Serversocket,我正在实现一个java多线程服务器。客户端写入套接字流的任何内容都不会在服务器端打印出来。只有在我终止客户端线程之后,数据才会被打印出来。有什么问题? 以下是我发送数据的客户端代码: BufferWriter writer = new BufferedWriter( new OutputStreamWriter( socket.getOutputStream() , "UTF-8" ) ); writer.write(curr.subs
BufferWriter writer = new BufferedWriter( new OutputStreamWriter( socket.getOutputStream() ,
"UTF-8" ) );
writer.write(curr.substring(3));
writer.flush();
服务器上的代码:
public class ThreadedEchoServer
{
public static void main(String[] args )
{
try
{
int i = 1;
ServerSocket s = new ServerSocket(8189);
while (true)
{
Socket incoming = s.accept();
System.out.println("Spawning " + i);
Runnable r = new ThreadedEchoHandler(incoming, i);
Thread t = new Thread(r);
t.start();
i++;
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
/**
This class handles the client input for one server socket connection.
*/
class ThreadedEchoHandler implements Runnable
{
/**
Constructs a handler.
@param i the incoming socket
@param c the counter for the handlers (used in prompts)
*/
public ThreadedEchoHandler(Socket i, int c)
{
incoming = i; counter = c;
}
public void run()
{
try
{
try
{
InputStream inStream = incoming.getInputStream();
OutputStream outStream = incoming.getOutputStream();
System.out.println("Server Running");
Scanner in = new Scanner(inStream);
PrintWriter out = new PrintWriter(outStream, true /* autoFlush */);
out.println( "Hello! Enter BYE to exit." );
// echo client input
boolean done = false;
while (!done && in.hasNextLine())
{
String line = in.nextLine();
System.out.println(line);
out.println("Echo: " + line);
if (line.trim().equals("BYE"))
done = true;
}
}
finally
{
incoming.close();
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
你在读台词,但不是在写台词。调用
write()后使用BufferedWriter.newline()
。
目前readLine()
正在阻塞等待换行符或EOS,EOS只在客户端关闭套接字时发生。正是我想要的,非常感谢:)