httpUTL通讯

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package util;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

public class HttpURLConnectionTest {
public static byte[] sendHttpRequest(String url, byte[] request)
   throws MalformedURLException, IOException {
  HttpURLConnection urlConnection = (HttpURLConnection) new URL(url)
    .openConnection();
  urlConnection.setRequestMethod("POST");
  urlConnection.setDoOutput(true);
  urlConnection.setDoInput(true);
  urlConnection.setUseCaches(false);
  OutputStream out = urlConnection.getOutputStream();
  out.write(request);
  out.flush();
  out.close();
  InputStream in = urlConnection.getInputStream();
  ByteArrayOutputStream bais = new ByteArrayOutputStream();
  byte[] bytes = new byte[2048];
  int byteIn = in.read(bytes);
  while (byteIn != -1) {
   bais.write(bytes, 0, byteIn);
   byteIn = in.read(bytes);
  }
  byte[] response = bais.toByteArray();
  in.close();
  bais.close();
  urlConnection.disconnect();
  return response;
}
public static void main(String args[]){
  String date="你好";
  try {
   byte[] res = sendHttpRequest("http://192.168.1.2:8085/MOA/login?username=123&password=123", date.getBytes());
   String s = new String(res);
   System.out.println("============================回复数据：" + s);
  } catch (MalformedURLException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }

}
}