排好序的参数:comyuantongcontentTypebodyStringnu806797891656832444showapi_appid100044eb39016c877747e08d871213c7d6da89
请求的url:http://route.showapi.com/64-19?com=yuantong&contentType=bodyString&nu=806797891656832444&showapi_appid=100044&showapi_sign=90e10c6c18670cfcd9452ca7f040ab82
返回的json数据:
                {
                  "showapi_res_error": "可调用次数或流量为0,没有可用资源包。err：async1",
                  "showapi_res_id": "6790f914fb638c23e1411318",
                  "showapi_res_code": -7,
                  "showapi_fee_num": 0,
                  "showapi_res_body": {}
                }
                
\r\n
取出showapi_res_code的值:
-7