json在后台封装后，返回中文乱码。

Question

@RequestMapping("/testJson")
@ResponseBody
public String testJson(SysUserVo sysUserVo,HttpServletRequest request,HttpServletResponse response) throws Exception{

    response.setContentType("text/html;charset=UTF-8");
    response.setCharacterEncoding("UTF-8");
    SysUser sysUser=new SysUser();
     sysUser= sysUserService.findByUserName("zhangsan");
    JSONObject jo=new JSONObject();
    jo.accumulate("users", sysUser.getAdminname());

    System.out.println(jo);

    //response.getWriter().print(jo.toString());

    return jo.toString();
}


调用返回  

{"users":"？？"}

，
在tomcat已经设置了编码。 有谁遇到过

Answer 1

前后端的编码不一致吧，，感觉是你前台的问题