/** 查找所有的用户 */
 @RequestMapping(method = RequestMethod.POST)
 @ResponseBody
 public Object all(
     ExtPager pager, @RequestParam(required = false, defaultValue = "") String realName) {
   Criteria criteria = new Criteria();
   // 设置分页信息
   if (pager.getLimit() != null && pager.getStart() != null) {
     criteria.setOracleEnd(pager.getLimit() + pager.getStart());
     criteria.setOracleStart(pager.getStart());
   }
   // 排序信息
   if (StringUtils.isNotBlank(pager.getDir()) && StringUtils.isNotBlank(pager.getSort())) {
     criteria.setOrderByClause(pager.getSort() + " " + pager.getDir());
   }
   if (StringUtils.isNotBlank(realName)) {
     criteria.put("realNameLike", realName);
   }
   List<BaseUsers> list = this.baseUsersService.selectByExample(criteria);
   int total = this.baseUsersService.countByExample(criteria);
   return new ExtGridReturn(total, list);
 }