/**
  * 5.13 修改问题
  *
  * @param param
  * @param request
  * @return
  */
 @ResponseBody
 @RequestMapping("/changeQuestion")
 public String changeQuestion(@RequestBody String param, HttpServletRequest request) {
   System.out.println(param);
   String backInfo = "";
   try {
     Map<String, Object> map = JsonHandler.json2Map(param);
     System.out.println(map);
     String questionId = (String) map.get("questionId");
     System.out.println(questionId);
     map.remove("questionId");
     System.out.println(map);
     Map<String, Object> mapHead = JsonHandler.json2MapHead(param);
     System.out.println(mapHead);
     String token = (String) mapHead.get("X-AUTH-TOKEN");
     System.out.println(token);
     String info = JsonHandler.objectToJson(map);
     System.out.println(info);
     backInfo =
         HttpClientUtils.httpPostToken(UrlUtil.URL + "/api/question/" + questionId, info, token);
     System.out.println(backInfo);
   } catch (Exception e) {
     e.printStackTrace();
   }
   return backInfo;
 }
 /**
  * 5.19 取消收藏
  *
  * @param param
  * @param request
  * @return
  */
 @ResponseBody
 @RequestMapping("/removeAnswer")
 public String removeAnswer(@RequestBody String param, HttpServletRequest request) {
   System.out.println(param);
   String backInfo = "";
   try {
     Map<String, Object> map = JsonHandler.json2Map(param);
     System.out.println(map);
     String answerId = (String) map.get("answerId");
     System.out.println(answerId);
     Map<String, Object> mapHead = JsonHandler.json2MapHead(param);
     System.out.println(mapHead);
     String token = (String) mapHead.get("X-AUTH-TOKEN");
     System.out.println(token);
     String info = JsonHandler.objectToJson(map);
     System.out.println(info);
     backInfo =
         HttpClientUtils.httpDelete(
             UrlUtil.URL + "/api/qa/answer/favorite/" + answerId, null, token);
     System.out.println(backInfo);
   } catch (Exception e) {
     e.printStackTrace();
   }
   return backInfo;
 }
 /**
  * 5.8 点赞或者取消点赞
  *
  * @param param
  * @param request
  * @return
  */
 @ResponseBody
 @RequestMapping("/getPraise")
 public String getPraise(@RequestBody String param, HttpServletRequest request) {
   System.out.println(param);
   String backInfo = "";
   try {
     Map<String, Object> map = JsonHandler.json2Map(param);
     System.out.println(map);
     Map<String, Object> mapHead = JsonHandler.json2MapHead(param);
     System.out.println(mapHead);
     String token = (String) mapHead.get("X-AUTH-TOKEN");
     System.out.println(token);
     String info = JsonHandler.objectToJson(map);
     System.out.println(info);
     backInfo = HttpClientUtils.httpPostToken(UrlUtil.URL + "/api/qa/answer/rank", info, token);
     System.out.println(backInfo);
   } catch (Exception e) {
     e.printStackTrace();
   }
   return backInfo;
 }