@ResponseBody 注释

@RequestMapping(value = "saveSignChange", method = RequestMethod.POST)
@ApiOperation(httpMethod = "POST", value = "qqq", notes = "qqq")
@ApiIgnore
@ResponseBody
public String saveSignChange(SignChangeRequest signChangeRequest) throws Exception{

String json = JsonMapper.toDateJSON(baseDetailResponse);
return json;   

}

 

//   页面重定向的时候 不需要加 @ResponseBody  直接 return "redirect:/elevbrand/elevbrandList";

//   返回到页面   添加弹出框提示的时候 一定要加 @ResponseBody