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  • spring+json+jquery

    Spring与JSON当输出中文有乱码时,可以直接在@RequestMapping(produces="application/json;charset=UTF-8")中加上produces即可解决。

    我在使用@ResponseBody String返回JSON数据时老是给我报错:JSON.parse() expected property name or '}',搞了很久才找到原因,需要把单引号改成双引号就可以解决问题!

     1 @RequestMapping(value = "/home/getCategories", method = RequestMethod.GET,produces="application/json;charset=UTF-8")
     2     public @ResponseBody String getCategories(HttpSession session) {
     3         User user = (User) session.getAttribute("user");
     4         Set<Category> catsSet = user.getCategories();
     5         StringBuilder sb = new StringBuilder();
     6         sb.append("[");
     7         int i = 0;
     8         for (Category cat : catsSet) {
     9             sb.append("{\"id\":" + cat.getId() + ",\"name\":\"" + cat.getName()
    10                     + "\"}");
    11             i++;
    12             if (i < catsSet.size())
    13                 sb.append(",");
    14             
    15             logger.info(cat.getName());
    16         }
    17         sb.append("]");
    18         logger.info(sb.toString());
    19         return sb.toString();
    20     }
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  • 原文地址:https://www.cnblogs.com/JavaTechLover/p/3038584.html
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