/**
  * 异步请求商圈
  *
  * @throws Exception
  */
 public void ajaxBusiness() throws Exception {
   List<DictVo> dictVoes = new ArrayList<DictVo>();
   Map<String, String> T_BUSINESS = DictManager.getType("T_BUSINESS");
   Map<String, String> T_DISTRICT_BUSINESS = DictManager.getType("T_DISTRICT_BUSINESS");
   Iterator<String> it = T_DISTRICT_BUSINESS.keySet().iterator();
   while (it.hasNext()) {
     String key = it.next();
     String code = T_DISTRICT_BUSINESS.get(key);
     if (code != null && code.equals(districtCode)) {
       DictVo dictVo = new DictVo();
       dictVo.setCode(key);
       dictVo.setValue(T_BUSINESS.get(key));
       dictVoes.add(dictVo);
     }
   }
   json(dictVoes);
 }
 /**
  * 查询区域
  *
  * @throws Exception
  */
 public void searchDistrict() throws Exception {
   vo = DictManager.getType("T_DISTRICT");
 }