java操作memcached入门教程demo代码

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原文：java操作memcached入门教程demo代码

源代码下载地址：http://www.zuidaima.com/share/1550463754996736.htm

参考地址：

http://www.open-open.com/lib/view/open1357831114183.html

http://tech.idv2.com/2008/07/10/memcached-001/

感谢京-java牛-ID号1 感谢锡-SuperPrivate-195

在网上搜索了部分代码，一个很简单的Demo，将查询的结果集存入缓存。我也不是太懂，大家可以搜索下资料，不过加入MemCached后项目访问速度的确增加了

package com.dream.core.util;import java.util.Date;import com.danga.MemCached.MemCachedClient;import com.danga.MemCached.SockIOPool;/** * @describe:MemoryUtil.java *  * @date 2013-9-30 * @author yuanlin.su www.zuidaima.com * 参考地址：http://www.open-open.com/lib/view/open1357831114183.html * http://tech.idv2.com/2008/07/10/memcached-001/ * 感谢  京-java牛-ID号1 * 感谢 锡-SuperPrivate-195 *  * 服务端和jar包免积分下载地址：http://download.csdn.net/detail/consuy/6341989 */public class MemoryUtil {private static MemCachedClient client = null;private final static String CACHE_ISOPEN_KEY = "CACHE_ISOPEN";/** * 初始化MEMCACHE工具 */public synchronized static void init(String ipAddress) {if (client == null) {String[] servers = { ipAddress };Integer[] weights = { 1 };SockIOPool pool = SockIOPool.getInstance();pool.setServers(servers);pool.setWeights(weights);pool.setNagle(false);pool.setSocketTO(10000);pool.setSocketConnectTO(3000);pool.initialize();client = new MemCachedClient();set(CACHE_ISOPEN_KEY, 1);}}/** * 设置值 *  * @param key * @param value */public static void set(String key, Object value) {client.set(key, value);}/** * 设置值同时添加有效期 *  * @param key * @param value * @param minute 分钟 */public static void set(String key, Object value, int minute) {client.set(key, value, new Date(System.currentTimeMillis() + minute * 60 * 1000l));}/** * 检查值是否存在 *  * @param key * @return */public static boolean keyExists(String key) {return client.keyExists(key);}/** * 删除内存数据项的值 *  * @param key */public static void delete(String key) {client.delete(key);}/** * 清空所有的数据 */public static void clear() {client.flushAll();}/** * 从内存中查询对象信息 *  * @param key * @return */@SuppressWarnings("unchecked")public static <T> T get(String key) {return (T) client.get(key);}/** * 判断MEMCACHE是否已经开启 *  * @return */public static boolean cacheIsOpen() {if (keyExists(CACHE_ISOPEN_KEY)) {return true;} else {return false;}}//demo/*public ModelAndView publishMood(@ModelAttribute("form") UserInfo user, HttpServletRequest request) {//TODOObject<T> obj = MemoryUtil.get(key);if (obj == null) {Object<T> obj = service.find(Entity.class);MemoryUtil.set(key, obj);}reutrn null;}*/}

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