Java 套接字:BufferedReader/InputStream&;BufferedWriter/OutputStream赢得';行不通
因此,我尝试使用BufferedReader和BufferedWriter创建一个服务器/客户端解决方案,但它不起作用!仅使用DataInputStream和DataOutputStream工作得非常好,但并没有使用缓冲对象打印出来。我的错误在哪里Java 套接字:BufferedReader/InputStream&;BufferedWriter/OutputStream赢得';行不通,java,sockets,stream,bufferedreader,bufferedwriter,Java,Sockets,Stream,Bufferedreader,Bufferedwriter,因此,我尝试使用BufferedReader和BufferedWriter创建一个服务器/客户端解决方案,但它不起作用!仅使用DataInputStream和DataOutputStream工作得非常好,但并没有使用缓冲对象打印出来。我的错误在哪里 public class TServer { static final int PORT = 8001; static final int QUEUE = 50; public static void main(String[]
public class TServer {
static final int PORT = 8001;
static final int QUEUE = 50;
public static void main(String[] args) {
try (ServerSocket serverSocket = new ServerSocket(PORT, QUEUE)) {
Socket socket = serverSocket.accept();
BufferedReader input = new BufferedReader(new InputStreamReader(socket.getInputStream()));
BufferedWriter output = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
System.out.println(input.readLine());
output.write("this is the server!");
output.flush();
} catch (IOException e) {
System.out.println(e.getMessage());
e.printStackTrace();
}
}
}
public class TClient {
static final String HOST = "localhost";
static final int PORT = 8001;
public static void main(String[] args) {
try (Socket socket = new Socket(HOST, PORT)) {
BufferedReader input = new BufferedReader(new InputStreamReader(socket.getInputStream()));
BufferedWriter output = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
output.write("this is the client");
output.flush();
System.out.println(input.readLine());
} catch (IOException e) {
System.out.println(e.getMessage());
e.printStackTrace();
}
}
}
仅使用DataInputStream和DataOutputStream工作得非常好,但并没有使用缓冲对象打印出来
客户端正在发送以下内容:
output.write("this is the client");
服务器正在尝试使用BufferedReader读取一行:
System.out.println(input.readLine());
但由于未发送行结束符,因此不会收到任何行(因此,该方法将阻塞(对于不发送行结束符的服务器也是如此)。有关详细信息,请参阅API,其中说明:
读一行文字。一行被认为是由换行符('\n')、回车符('\r')或紧接着换行符的回车符中的任意一个终止的
您正在使用BufferedReader的
readLine
方法,所以您应该在相应的BufferedWriter中写入以换行符结尾的字符串。比如:
output.write("this is the client");
output.newLine();
可能对你有帮助