Ⅰ httpurlconnection post json状态吗返回500时如何获取响应体
url是要访问的地址，method是请求方式可以是POST或者GET,params是后面的内参数容比如?aa=11&bb=22 public String connctionURL_Params(String url,String method,String params){ StringBuffer bufferRes = new StringBuffer(); url = url + params;...