@RequestMapping(value = "/get_all_news",method = {RequestMethod.GET, RequestMethod.POST},produces = "application/json; charset=utf-8") @ResponseBody public String get_all_news (){ List<News>list_news =newsService.get_all_news(); return JSON.toJSONString(list_news) ; }
java后臺，ajax請求，為什么只要寫了紅框中的代碼，就會報下面的錯誤，而寫注釋了的代碼，就不報錯
慕虎7371278
2019-03-12 13:14:35
