JAVA中如何监听一个端口来进入收和发信息!

String ip = "127001";
int port = 1234;
try {
Socket socket = new Socket(ip, port);
socketsetSoTimeout(5539900);
javaioOutputStream out = socketgetOutputStream();

byte[] date = "hello world"getBytes();
outwrite(data);
outflush();
byte[] buffer = new byte[1024];
int len = -1;
javaioFileOutputStream fout = new javaioFileOutputStream(
"d:/responsetxt");
javaioByteArrayOutputStream bout = new javaioByteArrayOutputStream();
javaioInputStream in = socketgetInputStream();
while ((len = inread(buffer, 0, bufferlength)) > 0) {
boutwrite(buffer, 0, len);
}
inclose();
boutflush();
boutclose();
byte[] rdata = bouttoByteArray();
Systemoutprintln(new String(rdata));
foutwrite(rdata);
foutflush();
foutclose();
socketclose();
} catch (UnknownHostException e) {
eprintStackTrace();
} catch (IOException e) {
eprintStackTrace();
}
}
服务器端的
ServerSocket ss = new ServerSocket(1234);
Socket socket=null;
BufferedReader in;
PrintWriter out;

while (true) {
socket = ssaccept();
in = new BufferedReader(new InputStreamReader(socketgetInputStream()));
out = new PrintWriter(socketgetOutputStream(),true);
String line = inreadLine();
outprintln("you input is :" + line);
outclose();
inclose();
socketclose();
}

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