HttpConnectionUtils实现

痛定思痛。 2022-06-13 04:43 38阅读 0赞

/\*\*  
\* 接口调用  
\* @param url  
\* @param method  
\* @param param  
\* @return  
\*/  
public static JSONObject queryHttpConnectionResult(String urlPath,  
String method,String param)\{  
JSONObject jsonObject = new JSONObject();  
try\{  
//urlPath = URLEncoder.encode(param, "utf-8");  
    //建立连接  
   URL url=new URL(urlPath);  
     
   HttpURLConnection httpConn=(HttpURLConnection)url.openConnection();  
   //设置参数  
   httpConn.setDoOutput(true);   //需要输出  
   httpConn.setDoInput(true);   //需要输入  
   httpConn.setUseCaches(false);  //不允许缓存  
   httpConn.setRequestMethod(method);   //设置POST方式连接  
   //设置请求属性  
   httpConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");  
   httpConn.setRequestProperty("Connection", "Keep-Alive");// 维持长连接  
   httpConn.setRequestProperty("Charset", "UTF-8");  
   httpConn.setRequestProperty("Accept-Charset", "UTF-8");  
   //httpConn.setRequestProperty("contentType", "utf-8");  
   //连接,也可以不用明文connect，使用下面的httpConn.getOutputStream()会自动connect  
   httpConn.connect();  
   //建立输入流，向指向的URL传入参数  
   DataOutputStream dos=new DataOutputStream(httpConn.getOutputStream());  
   if(param!=null && !param.equals(""))\{  
    dos.write(param.getBytes("UTF-8"));  
   \}  
   dos.flush();  
   dos.close();  
     
   //获得响应状态  
   int resultCode=httpConn.getResponseCode();  
   if(HttpURLConnection.HTTP\_OK==resultCode)\{  
    StringBuffer sb = new StringBuffer();  
    String readLine=new String();  
    BufferedReader responseReader=new BufferedReader(new InputStreamReader(httpConn.getInputStream(),"UTF-8"));  
    while((readLine=responseReader.readLine())!=null)\{  
    sb.append(readLine).append("\\n");  
    \}  
    responseReader.close();  
    jsonObject = JSONObject.fromObject(sb.toString());  
   \}else\{  
      
   \}   
   \}catch(Exception ex)\{  
    ex.printStackTrace();  
   \}  
   return jsonObject;  
\}