POST连接

URL url = new URL(apiUrl + pStr);

   HttpURLConnection conn = (HttpURLConnection) url.openConnection();

   conn.setRequestMethod("POST");

   conn.setDoOutput(true);

   conn.connect();

   out = conn.getOutputStream();

   out.write(postData, 0, postData.length);

   out.flush();

   if (conn.getResponseCode() == 200) {

    int len = 0;

    byte[] buf = new byte[1024];

    in = conn.getInputStream();

    while ((len = in.read(buf)) > 0) {

     result += new String(buf, 0, len);

    }

   } else {

    result = "请求错误,code=" + conn.getResponseCode();

   }

GET连接

URL url = new URL(apiUrl);

   HttpURLConnection conn = (HttpURLConnection) url.openConnection();

   conn.setRequestMethod("GET");//POST

   conn.setDoOutput(false);//true

   conn.connect();

   String result = "";

   if (conn.getResponseCode() == 200) {

    int len = 0;

    byte[] buf = new byte[1024];

    InputStream in = conn.getInputStream();

    

    try {

     while ((len = in.read(buf)) > 0) {

      result += new String(buf, 0, len,"GBK");

     }

    } catch (Exception e) {

     Logger.error("失败code="+code,e);

    }finally{

     if(null != in){

      try {

       in.close();

      } catch (Exception e) {

       

      }finally{

       in = null;

      }

     }

    }

   }

com.alibaba.fastjson.JSON

JSONObject tmp = JSON.parseObject(result);