問題：前臺vue使用fetch.js發送post請求後，後臺 request.getParameter()無法獲取到參數值

思路：查閱後，原因為fetch中頭文件Content-type這個Header為application/x-www-form-urlencoded導致request請求中的form data變成request payload

處理辦法：後臺controller中使用流接受數據後，在進行查詢操作既可。

• vue代碼

• /**
   * 獲取行業大類
   */
  export const hangyebrief = industryId => fetch(‘/console/good/industry/findIndustry‘, {
    industryId: 2
  }, ‘POST‘);
  

  controller代碼

•     @RequestMapping("findIndustry")
      @ResponseBody
      public AjaxRes findIndustry( HttpServletRequest request,HttpServletResponse response){
          StringBuilder sb = new StringBuilder();
          try(BufferedReader reader = request.getReader();) {
              char[]buff = new char[1024];
              int len;
              while((len = reader.read(buff)) != -1) {
                  sb.append(buff,0, len);
              }
          }catch (IOException e) {
              e.printStackTrace();
          }
          String idString = sb.toString();
          String  industryId = idString.substring(idString.indexOf(":")+1,idString.indexOf("}"));
          AjaxRes aj = new AjaxRes();
          GoodIndustryVo goodIndustry  = new GoodIndustryVo();
          if (industryId != null && industryId != "") {
              goodIndustry.setIndustryId(Integer.parseInt(industryId));
          }
          List<GoodIndustryVo> goodIndustryList = goodIndustryService.find(goodIndustry);
          aj.setObj(goodIndustryList);
          return aj;
      }
  

  　　

  　　

vue使用fetch.js發送post請求java後臺無法獲取參數值