如何监听 java socket

Python037

如何监听 java socket,第1张

String ip = "127.0.0.1"

int port = 1234

try {

Socket socket = new Socket(ip, port)

socket.setSoTimeout(5539900)

java.io.OutputStream out = socket.getOutputStream()

byte[] date = "hello world".getBytes()

out.write(data)

out.flush()

byte[] buffer = new byte[1024]

int len = -1

java.io.FileOutputStream fout = new java.io.FileOutputStream(

"d:/response.txt")

java.io.ByteArrayOutputStream bout = new java.io.ByteArrayOutputStream()

java.io.InputStream in = socket.getInputStream()

while ((len = in.read(buffer, 0, buffer.length)) >0) {

bout.write(buffer, 0, len)

}

in.close()

bout.flush()

bout.close()

byte[] rdata = bout.toByteArray()

System.out.println(new String(rdata))

fout.write(rdata)

fout.flush()

fout.close()

socket.close()

} catch (UnknownHostException e) {

e.printStackTrace()

} catch (IOException e) {

e.printStackTrace()

}

}

服务器端

ServerSocket ss = new ServerSocket(1234)

Socket socket=null

BufferedReader in

PrintWriter out

while (true) {

socket = ss.accept()

in = new BufferedReader(new InputStreamReader(socket.getInputStream()))

out = new PrintWriter(socket.getOutputStream(),true)

String line = in.readLine()

out.println("you input is :" + line)

out.close()

in.close()

socket.close()

}

不知道具体需求是什么。如果用java web作为服务端,那可以在web项目启动的时候,增加socket监听服务。在web项目的listener增加启动类。

或者干脆使用如netty这样的IO框架。