Question

我有一个Java服务器，它监听来自PHP客户端的连接并回复。我的问题是我在读取inputStream后无法向outputStream写任何内容。

while (true)
            try {

                clientSocket = serverSocket.accept();
                clientSocket.setSoTimeout(2000);

                if (!clientSocket.getInetAddress().equals(clientSocket.getLocalAddress())) {
                    clientSocket.close();
                    continue;
                }

                BufferedReader br = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
                BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(clientSocket.getOutputStream()));

                LinkedList<String> messageFromPHP = new LinkedList<>();

                String message = "";
                while ((message = br.readLine()) != null)
                    messageFromPHP.add(message);

                bw.write("test_message\n");
                bw.flush();

                bw.close();
                br.close();
                clientSocket.close();

            } catch (SocketTimeoutException ex) {

            } catch (IOException ex) {
                ex.printStackTrace();
                serverSocket.close();
            }

^^这使得PHP客户端和Java Server都永远停滞不前。（我已将SoTimeout添加到服务器以防止这种情况发生）

while (true)
            try {
                clientSocket = serverSocket.accept();
                clientSocket.setSoTimeout(2000);

                if (!clientSocket.getInetAddress().equals(clientSocket.getLocalAddress())) {
                    clientSocket.close();
                    continue;
                }

                BufferedReader br = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
                BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(clientSocket.getOutputStream()));

                LinkedList<String> messageFromPHP = new LinkedList<>();

                String message = "";
                while ((message = br.readLine()) != null) {
                    messageFromPHP.add(message);
                    bw.write("test_message\n");
                    bw.flush();
                }

                bw.close();
                br.close();
                clientSocket.close();

            } catch (SocketTimeoutException ex) {

            } catch (IOException ex) {
                ex.printStackTrace();
                serverSocket.close();
            }

^^然而，这个工作完全正常，我不知道为什么。我确定这些while循环结束是因为我可以打印messageFromPHP而没有两个代码的问题。

那么，我怎样才能避免在readLine循环中做所有事情？

编辑：更清楚：我想像第一个代码一样编写和阅读。但是当我读取输入时，我无法写入输出，所以我必须使用第二个代码而我不想这样做。我正在尝试将输入存储在messageFromPHP列表中，然后根据列表中的输入写入输出。

Java套接字无法在循环外回复

0 个答案: