Windows系统下memcache的安装
cmd进入到memcache目录下&＃xff08;win10需要以管理员身份运行cmd&＃xff09;
memcache.exe -d install
memcache.exe -d start
启动memcache服务后可以在windows服务中看到名称为memcache 的服务
Java使用memcache
项目目录如下
User.java
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | public class User implements Serializable{ private static final long serialVersionUID &＃61; 1L; private String username; private String password; //省略构造函数级getter setter &＃64;Override public int hashCode() { final int prime &＃61; 31; int result &＃61; 1; result &＃61; prime * result &＃43; ((password &＃61;&＃61; null) ? 0 : password.hashCode()); result &＃61; prime * result &＃43; ((username &＃61;&＃61; null) ? 0 : username.hashCode()); return result; } &＃64;Override public boolean equals(Object obj) { if (this &＃61;&＃61; obj) return true; if (obj &＃61;&＃61; null) return false; if (getClass() !&＃61; obj.getClass()) return false; User other &＃61; (User) obj; if (password &＃61;&＃61; null) { if (other.password !&＃61; null) return false; } else if (!password.equals(other.password)) return false; if (username &＃61;&＃61; null) { if (other.username !&＃61; null) return false; } else if (!username.equals(other.username)) return false; return true; }} |
MemcachedUtil.java
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | public class MemcachedUtil { /** * memcached客户端单例 */ private static MemCachedClient cachedClient &＃61; new MemCachedClient(); /** * 初始化连接池 */ static { //获取连接池的实例 SockIOPool pool &＃61; SockIOPool.getInstance(); //服务器列表及其权重 String[] servers &＃61; {"127.0.0.1:11211"}; Integer[] weights &＃61; {3}; //设置服务器信息 pool.setServers(servers); pool.setWeights(weights); //设置初始连接数、最小连接数、最大连接数、最大处理时间 pool.setInitConn(10); pool.setMinConn(10); pool.setMaxConn(1000); pool.setMaxIdle(1000*60*60); //设置连接池守护线程的睡眠时间 pool.setMaintSleep(60); //设置TCP参数&＃xff0c;连接超时 pool.setNagle(false); pool.setSocketTO(60); pool.setSocketConnectTO(0); //初始化并启动连接池 pool.initialize(); //压缩设置&＃xff0c;超过指定大小的都压缩// cachedClient.setCompressEnable(true);// cachedClient.setCompressThreshold(1024*1024); } private MemcachedUtil(){ } public static boolean add(String key, Object value) { return cachedClient.add(key, value); } public static boolean add(String key, Object value, Integer expire) { return cachedClient.add(key, value, expire); } public static boolean put(String key, Object value) { return cachedClient.set(key, value); } public static boolean put(String key, Object value, Integer expire) { return cachedClient.set(key, value, expire); } public static boolean replace(String key, Object value) { return cachedClient.replace(key, value); } public static boolean replace(String key, Object value, Integer expire) { return cachedClient.replace(key, value, expire); } public static Object get(String key) { return cachedClient.get(key); }} |
MemcachedUtilTest.java测试类
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | public class MemcachedUtilTest { &＃64;Test public void testMemcached() { MemcachedUtil.put("hello", "world", 60); String hello &＃61; (String) MemcachedUtil.get("hello"); Assert.assertEquals("world", hello); for(int i &＃61; 0; i < 10000; &＃43;&＃43;i) { User user &＃61; new User("Jason" &＃43; i, "123456-" &＃43; i); MemcachedUtil.put("user" &＃43; i, user, 60); Object obj &＃61; MemcachedUtil.get("user" &＃43; i); Assert.assertEquals(user, obj); } }} |
在Spring中配置并使用memcache
applicationContext.xml配置文件
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | <beans xmlns&＃61;"http://www.springframework.org/schema/beans" xmlns:xsi&＃61;"http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation&＃61;"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> <bean id&＃61;"memcachedPool" class&＃61;"com.danga.MemCached.SockIOPool" factory-method&＃61;"getInstance" init-method&＃61;"initialize"> <constructor-arg> <value>neeaMemcachedPool <property name&＃61;"servers"> <list> <value>127.0.0.1:11211 <property name&＃61;"initConn"> <value>20 <property name&＃61;"minConn"> <value>10 <property name&＃61;"maxConn"> <value>50 <property name&＃61;"nagle"> <value>false <property name&＃61;"socketTO"> <value>3000 <bean id&＃61;"memcachedClient" class&＃61;"com.danga.MemCached.MemCachedClient"> <constructor-arg> <value>neeaMemcachedPool |
MemcachedSpringTest.java测试类
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | public class MemcachedSpringTest { private MemCachedClient cachedClient; &＃64;Before public void init() { ApplicationContext context &＃61; new ClassPathXmlApplicationContext("applicationContext.xml"); cachedClient &＃61; (MemCachedClient)context.getBean("memcachedClient"); } &＃64;Test public void testMemcachedSpring() { User user &＃61; new User("lou", "jason"); cachedClient.set("user", user); User cachedBean &＃61; (User)user; Assert.assertEquals(user, cachedBean); }} |
本机测试全部通过&＃xff0c;当然如果你打算深入学习的话&＃xff0c;最好还是找一些相关的java视频教程来看看。
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