@Produces(MediaType.APPLICATION_JSON + ";charset=UTF-8")
 @Path("/delete")
 @POST
 public String delete(@FormParam("jsonString") String jsonString) {
   Authority authority = JsonMapper.buildNonDefaultMapper().fromJson(jsonString, Authority.class);
   String authorityName = authority.getName();
   int numDeleted = authorityPowerService.deleteByAuthorityName(authorityName);
   int result = authorityService.delete(authority);
   List<UserAuthority> userAuthorityList = userAuthorityService.findByAuthorityName(authorityName);
   if (userAuthorityList.size() > 0) {
     for (UserAuthority ua : userAuthorityList) {
       String userName = ua.getUserName();
       User user = userService.findByName(userName);
       String role = user.getRole();
       String[] roles = role.split(";");
       String[] newRoles = new String[roles.length - 1];
       int temp = 0;
       for (int i = 0; i < roles.length; i++) {
         if (!roles[i].equals(authorityName)) {
           newRoles[temp] = roles[i] + ";";
           temp++;
         }
       }
       String roles2 = "";
       String nr;
       for (int i = 0; i < newRoles.length; i++) {
         roles2 += newRoles[i];
       }
       if (roles2.equals("")) {
         nr = "";
       } else {
         nr = roles2.substring(0, roles2.length() - 1);
       }
       user.setRole(nr);
       userService.update(user);
       userAuthorityService.delete(ua);
     }
   }
   if ((result > 0) && (numDeleted >= 0)) {
     return JsonResultUtils.getCodeAndMesByStringAsDefault(JsonResultUtils.Code.SUCCESS);
   } else {
     return JsonResultUtils.getCodeAndMesByStringAsDefault(JsonResultUtils.Code.ERROR);
   }
 }