fix(weather-sync): 增强区域天气数据同步的健壮性和日志记录

- 添加输入参数校验，确保 dateTime 不为空
- 懒加载天气区划配置，避免配置为空时跳过同步
- 在关键步骤添加详细日志，便于问题排查
- 插入数据前先清理同时间点的旧数据，避免重复
- 优化代码格式，提高可读性

src/main/java/com/southern/power/grid/service/impl/RegionalWeatherDataSyncService.java

@@ -12,6 +12,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.CollectionUtils;
+import org.springframework.util.StringUtils;
 
 import java.math.BigDecimal;
 import java.math.RoundingMode;
@@ -28,10 +29,18 @@ public class RegionalWeatherDataSyncService extends ServiceImpl<RegionalWeatherD
     private final WeatherSiteAreaConfigurationMapper weatherSiteAreaConfigurationMapper;
     private final Map<String, String> weatherAreaMap = new ConcurrentHashMap<>();
 
-
     @Transactional(rollbackFor = Exception.class)
     public void syncWeatherData(String dateTime) {
         try {
+            if (!StringUtils.hasText(dateTime)) {
+                throw new IllegalArgumentException("dateTime不能为空");
+            }
+
+            if (CollectionUtils.isEmpty(weatherAreaMap)) {
+                loadWeatherAreaConfig();
+                log.info("【区域天气数据同步任务】加载区划配置完成，配置数量：{}", weatherAreaMap.size());
+            }
+
             List<RegionalWeatherStation> regionalWeatherStations = regionalWeatherStationMapper.getSyncData(dateTime);
             if (CollectionUtils.isEmpty(regionalWeatherStations)) {
                 log.warn("【区域天气数据同步任务】没有查询到天气数据：{}", dateTime);
@@ -39,9 +48,14 @@ public class RegionalWeatherDataSyncService extends ServiceImpl<RegionalWeatherD
             }
             List<RegionalWeatherData> dataList = convert(regionalWeatherStations, dateTime);
             if (CollectionUtils.isEmpty(dataList)) {
+                log.warn("【区域天气数据同步任务】转换后无可入库数据：{}，源数据条数：{}", dateTime, regionalWeatherStations.size());
                 return;
             }
+            log.info("【区域天气数据同步任务】准备写入：{}，源数据条数：{}，转换后条数：{}",
+                    dateTime, regionalWeatherStations.size(), dataList.size());
+            this.lambdaUpdate().eq(RegionalWeatherData::getDataTime, dateTime).remove();
             this.saveBatch(dataList, 700);
+            log.info("【区域天气数据同步任务】写入完成：{}，写入条数：{}", dateTime, dataList.size());
         } catch (Exception e) {
             log.error("定时同步区域气象数据失败：{}", e.getMessage(), e);
             throw new RuntimeException(e);
@@ -55,9 +69,10 @@ public class RegionalWeatherDataSyncService extends ServiceImpl<RegionalWeatherD
 
         // 1. 过滤掉未匹配区域编码的记录，按 orgCode 分组
         Map<String, List<RegionalWeatherStation>> groupMap = list.stream()
-                .filter(item -> weatherAreaMap.containsKey(buildKey(item.getProvince(), item.getCity(), item.getDistrict())))
+                .filter(item -> weatherAreaMap
-                .collect(Collectors.groupingBy(item ->
+                        .containsKey(buildKey(item.getProvince(), item.getCity(), item.getDistrict())))
-                        weatherAreaMap.get(buildKey(item.getProvince(), item.getCity(), item.getDistrict()))));
+                .collect(Collectors.groupingBy(
+                        item -> weatherAreaMap.get(buildKey(item.getProvince(), item.getCity(), item.getDistrict()))));
 
         // 2. 分组处理
         List<RegionalWeatherData> result = new ArrayList<>();
@@ -155,7 +170,6 @@ public class RegionalWeatherDataSyncService extends ServiceImpl<RegionalWeatherD
         return val == null ? "0" : val.setScale(2, RoundingMode.HALF_UP).toString();
     }
 
-
     /**
      * 加载气象区划配置表
      *
@@ -163,7 +177,8 @@ public class RegionalWeatherDataSyncService extends ServiceImpl<RegionalWeatherD
     public void loadWeatherAreaConfig() {
         weatherAreaMap.clear();
         List<WeatherSiteAreaConfiguration> list = weatherSiteAreaConfigurationMapper.selectAll();
-        if (CollectionUtils.isEmpty(list)) return;
+        if (CollectionUtils.isEmpty(list))
+            return;
         Map<String, String> tempMap = list.stream()
                 .filter(Objects::nonNull)
                 .filter(config -> config.getWeatherProvince() != null
@@ -176,20 +191,17 @@ public class RegionalWeatherDataSyncService extends ServiceImpl<RegionalWeatherD
                                 config.getWeatherCity(),
                                 config.getWeatherDistrict()),
                         WeatherSiteAreaConfiguration::getDistrictCode,
-                        (oldValue, newValue) -> oldValue
+                        (oldValue, newValue) -> oldValue));
-                ));
 
         // 全部放入你的成员变量 Map
         weatherAreaMap.putAll(tempMap);
     }
 
-
     private static String buildKey(String province, String city, String district) {
         return String.join(":",
                 safe(province),
                 safe(city),
-                safe(district)
+                safe(district));
-        );
     }
 
     private static String safe(String str) {