问题描述
限时送ChatGPT账号..在 Java API 中,
<前><代码>套接字套接字 = serverSocket.accept();BufferedReader fromSocket = new BufferedReader(new InputStreamReader(socket.getInputStream()));PrintWriter toSocket = new PrintWriter(socket.getOutputStream());//用fromSocket做某事...并关闭它fromSocket.close();//然后再次写入套接字toSocket.print("socket 连接是否仍然可用?\r\n");//关闭套接字socket.close();在上面的代码中,当我从Socket关闭InputStream之后,socket连接似乎不再可用——客户端不会收到socket连接仍然可用"的消息.这是否意味着关闭套接字的输入流也会关闭套接字本身?
解决方案是的,关闭输入流会关闭套接字.您需要在套接字上使用shutdownInput 方法,以仅关闭输入流:
//用fromSocket做某事...并关闭它socket.shutdownInput();
然后,你仍然可以发送到输出套接字
//然后再次写入sockettoSocket.print("socket 连接是否仍然可用?\r\n");//关闭套接字socket.close();
In Java API,
Socket socket = serverSocket.accept();
BufferedReader fromSocket = new BufferedReader(new InputStreamReader(socket.getInputStream()));
PrintWriter toSocket = new PrintWriter(socket.getOutputStream());
//do sth with fromSocket ... and close it
fromSocket.close();
//then write to socket again
toSocket.print("is socket connection still available?\r\n");
//close socket
socket.close();
In the above code, after I close the InputStream fromSocket, it seems that the socket connection is not available anymore--the client wont receive the "is socket connection still available" message. Does that mean that closing the inputstream of a socket also closes the socket itself?
解决方案Yes, closing the input stream closes the socket. You need to use the shutdownInput method on socket, to close just the input stream:
//do sth with fromSocket ... and close it
socket.shutdownInput();
Then, you can still send to the output socket
//then write to socket again
toSocket.print("is socket connection still available?\r\n");
//close socket
socket.close();
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