@RequestMapping("getcity")
public String example(Model model, HttpServletRequest request, HttpServletResponse response) {
// 查询热门
List<Map<String, Object>> list = queryGetCityService.getHotCitys();
model.addAttribute("CityList", list);
// 按首字母查排序所有城市
List<Map<String, Object>> allCityList = queryGetCityService.getAllcityByLetter();
Map<String, List<Object>> mapZm = new LinkedHashMap<String, List<Object>>();
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