fix:1.再次优化天气预报播放功能，把缓存数据存入磁盘，通过直接直接查找，性能不到70毫秒即返回2.添加定时清除缓存数据功能

jeecg-module-weather/src/main/java/org/jeecg/job/CleanWeatherCacheData.java

@@ -0,0 +1,36 @@
+package org.jeecg.job;
+
+import lombok.RequiredArgsConstructor;
+import org.apache.commons.io.FileUtils;
+import org.jeecg.common.properties.SystemStorageProperties;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+/**
+ * 每周六凌晨2点清除天气预报缓存数据
+ */
+@Component
+@RequiredArgsConstructor
+public class CleanWeatherCacheData {
+
+    private final SystemStorageProperties systemStorageProperties;
+
+    @Scheduled(cron = "0 0 2 ? * SAT")
+    public void cleanCacheData(){
+
+        Path path = Paths.get(systemStorageProperties.getGribDataVariableCachePath());
+        if(Files.exists(path)){
+            try{
+                FileUtils.cleanDirectory(path.toFile());
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+        }
+
+    }
+}