update 优化 pr215 解决一些问题

ruoyi-common/src/main/java/com/ruoyi/common/utils/redis/CacheUtils.java

@@ -0,0 +1,75 @@
+package com.ruoyi.common.utils.redis;
+
+import com.ruoyi.common.utils.spring.SpringUtils;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import org.redisson.api.RMap;
+import org.springframework.cache.Cache;
+import org.springframework.cache.CacheManager;
+
+import java.util.Set;
+
+/**
+ * 缓存操作工具类 {@link }
+ *
+ * @author Michelle.Chung
+ * @date 2022/8/13
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+@SuppressWarnings(value = {"unchecked"})
+public class CacheUtils {
+
+    private static final CacheManager CACHE_MANAGER = SpringUtils.getBean(CacheManager.class);
+
+    /**
+     * 获取缓存组内所有的KEY
+     *
+     * @param cacheNames 缓存组名称
+     */
+    public static Set<Object> keys(String cacheNames) {
+        RMap<Object, Object> rmap = (RMap<Object, Object>) CACHE_MANAGER.getCache(cacheNames).getNativeCache();
+        return rmap.keySet();
+    }
+
+    /**
+     * 获取缓存值
+     *
+     * @param cacheNames 缓存组名称
+     * @param key        缓存key
+     */
+    public static <T> T get(String cacheNames, Object key) {
+        Cache.ValueWrapper wrapper = CACHE_MANAGER.getCache(cacheNames).get(key);
+        return wrapper != null ? (T) wrapper.get() : null;
+    }
+
+    /**
+     * 保存缓存值
+     *
+     * @param cacheNames 缓存组名称
+     * @param key        缓存key
+     * @param value      缓存值
+     */
+    public static void put(String cacheNames, Object key, Object value) {
+        CACHE_MANAGER.getCache(cacheNames).put(key, value);
+    }
+
+    /**
+     * 删除缓存值
+     *
+     * @param cacheNames 缓存组名称
+     * @param key        缓存key
+     */
+    public static void evict(String cacheNames, Object key) {
+        CACHE_MANAGER.getCache(cacheNames).evict(key);
+    }
+
+    /**
+     * 清空缓存值
+     *
+     * @param cacheNames 缓存组名称
+     */
+    public static void clear(String cacheNames) {
+        CACHE_MANAGER.getCache(cacheNames).clear();
+    }
+
+}