|  |  | 
 |  |  | import org.springframework.data.redis.core.RedisTemplate; | 
 |  |  | import org.springframework.stereotype.Service; | 
 |  |  |  | 
 |  |  | import java.text.SimpleDateFormat; | 
 |  |  | import java.util.Calendar; | 
 |  |  | import java.util.HashMap; | 
 |  |  | import java.util.Map; | 
 |  |  |  | 
 |  |  | 
 |  |  |     public Map<String, Object> dressingIndex(Map map) { | 
 |  |  |         Map<String,Object> resultMap = new HashMap<>(); | 
 |  |  |         int city_code = Integer.parseInt(map.get("regionCode").toString()); | 
 |  |  |         String time = map.get("time").toString(); | 
 |  |  |         String time = ""; | 
 |  |  |         Calendar calendar = Calendar.getInstance(); | 
 |  |  |         calendar.set(Calendar.HOUR_OF_DAY, calendar.get(Calendar.HOUR_OF_DAY) - 2); | 
 |  |  |         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH"); | 
 |  |  |         time = sdf.format(calendar.getTime())+":00:00"; | 
 |  |  |         QueryWrapper<CityWeather> cityWeatherQueryWrapper = new QueryWrapper<>(); | 
 |  |  |         cityWeatherQueryWrapper.eq("city_code",city_code); | 
 |  |  |         cityWeatherQueryWrapper.eq("time",time); |