网络编程 系统互相传数据 公共类 httpclien url

package com.broadengate.common.utils;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import org.springframework.stereotype.Service;

import com.ruanko.ke.common.util.KEUtil;

@Service
public class HttpTool {
 public String post(URL url, String content)
   throws IOException {
  HttpURLConnection conn = (HttpURLConnection) url.openConnection();
  conn.setRequestProperty("content-type", "text/html");
  conn.setRequestMethod("POST");
  // conn.setAllowUserInteraction();
  conn.setDoInput(true);
  conn.setDoOutput(true);
  // conn.setIfModifiedSince();
  conn.setUseCaches(false);
  //向服务端写入数据.
  OutputStream outputStream = conn.getOutputStream();
  BufferedWriter bWriter = new BufferedWriter(new OutputStreamWriter(outputStream, "UTF-8"));
  bWriter.write(content);
  bWriter.flush();
  bWriter.close();
  
  //取得服务端返回的数据.
  StringBuffer responseStr = new StringBuffer("");
  InputStream inputStream = conn.getInputStream();
  BufferedReader bReader = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
  
  int c;
  while((c = bReader.read()) != -1){
   responseStr.append((char)c);
  }
 
  conn.disconnect();
  //System.out.println("请求地址：" + url);
  
  return responseStr.toString();
 }
 
 public String get(URL url)
   throws IOException {
  HttpURLConnection conn = (HttpURLConnection) url.openConnection();
  conn.setRequestMethod("GET");
  // conn.setAllowUserInteraction();
  conn.setDoInput(true);
  conn.setDoOutput(true);
  // conn.setIfModifiedSince();
  conn.setUseCaches(false);
  
  //Post请求对post的内容进行签名,Get请求对url进行签名
  String auth_regular = conn.getURL().toString();
  KEUtil keUtil = new KEUtil(3, 2);
  String signature = keUtil.signature(auth_regular.getBytes());
  conn.addRequestProperty("signature", signature);
  
  
  //取得服务端返回的数据.
  StringBuffer responseStr = new StringBuffer("");
  InputStream inputStream = conn.getInputStream();
  BufferedReader bReader = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
  
  int c;
  while((c = bReader.read()) != -1){
   responseStr.append((char)c);
  }
 
  conn.disconnect();
  //System.out.println("请求地址：" + url);
  
  return responseStr.toString();
 }
}