cache工具类

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public class CacheUtils {    private static CacheManager cacheManager = ((CacheManager)SpringContextHolder.getBean("cacheManager"));    private static final String SYS_CACHE = "sysCache";    /**     * 获取SYS_CACHE缓存     * @param key     * @return     */    public static Object get(String key) {        return get(SYS_CACHE, key);    }    /**     * 写入SYS_CACHE缓存     * @param key     * @return     */    public static void put(String key, Object value) {        put(SYS_CACHE, key, value);    }    /**     * 从SYS_CACHE缓存中移除     * @param key     * @return     */    public static void remove(String key) {        remove(SYS_CACHE, key);    }    /**     * 获取缓存     * @param cacheName     * @param key     * @return     */    public static Object get(String cacheName, String key) {        Element element = getCache(cacheName).get(key);        return element==null?null:element.getObjectValue();    }    /**     * 写入缓存     * @param cacheName     * @param key     * @param value     */    public static void put(String cacheName, String key, Object value) {        Element element = new Element(key, value);        getCache(cacheName).put(element);    }    /**     * 从缓存中移除     * @param cacheName     * @param key     */    public static void remove(String cacheName, String key) {        getCache(cacheName).remove(key);    }    /**     * 获得一个Cache，没有则创建一个。     * @param cacheName     * @return     */    private static Cache getCache(String cacheName){        Cache cache = cacheManager.getCache(cacheName);             if (cache == null){            cacheManager.addCache(cacheName);            cache = cacheManager.getCache(cacheName);            cache.getCacheConfiguration().setEternal(true);        }        return cache;    }    public static CacheManager getCacheManager() {        return cacheManager;    }}
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