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Redis安裝

首先安裝redis。這個(gè)就不重點(diǎn)介紹了。windos下載redis就行。

我用的是mac

用命令行安裝的。

安裝命令

yum install redis

運(yùn)行命令

sudo redis-server

這樣就安裝運(yùn)行成功了。

spring集成redis

首先你需要下載驅(qū)動(dòng)包，下載 jedis.jar，確保下載最新驅(qū)動(dòng)包。然后導(dǎo)包。

在spring配置文件里我這是ApplicationContext .xml文件添加

<!-- 引入同文件夾下的redis屬性配置文件 -->
 <import resource="spring-redis.xml" />

然后用創(chuàng)建spring-redis.xml文件

寫入

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans.xsd 
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context.xsd">
        
	<!-- 緩存的層級(jí)-->
 	<context:component-scan base-package="com.niit.cache" />
	<!-- 引入redis配置 -->
 	<context:property-placeholder location="/WEB-INF/classes/redis.properties" ignore-unresolvable="true"/>
 
	<!-- Redis 配置 -->
	<bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
		<property name="maxTotal" value="${redis.pool.maxTotal}" />
		<property name="maxIdle" value="${redis.pool.maxIdle}" />
		<property name="maxWaitMillis" value="${redis.pool.maxWaitMillis}" />
		<property name="testOnBorrow" value="${redis.pool.testOnBorrow}" />
	</bean>
 
	<!-- JedisCluster 集群高可用配置 -->
	<!--<bean id="jedisCluster" class="redis.clients.jedis.JedisCluster">
		<constructor-arg index="0">
			<set>
				<bean class="redis.clients.jedis.HostAndPort">
					<constructor-arg index="0" value="${redis.ip1}" />
					<constructor-arg index="1" value="${redis.port1}" type="i

public class RedisCache { 
	public final static String CAHCENAME = "niitcache";// 緩存名
	public final static int CAHCETIME = 60;// 默認(rèn)緩存時(shí)間 60S
	public final static int CAHCEHOUR = 60 * 60;// 默認(rèn)緩存時(shí)間 1hr
	public final static int CAHCEDAY = 60 * 60 * 24;// 默認(rèn)緩存時(shí)間 1Day
	public final static int CAHCEWEEK = 60 * 60 * 24 * 7;// 默認(rèn)緩存時(shí)間 1week
	public final static int CAHCEMONTH = 60 * 60 * 24 * 7 * 30;// 默認(rèn)緩存時(shí)間 1month
 
	@Autowired
	private RedisTemplate<String, String> redisTemplate; 
	public <T> boolean putCache(String key, T obj) {
		final byte[] bkey = key.getBytes();
		final byte[] bvalue = ProtoStuffSerializerUtil.serialize(obj);
		boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {
			@Override
			public Boolean doInRedis(RedisConnection connection) throws DataAccessException {
				return connection.setNX(bkey, bvalue);
			}
		});
		return result;
	}
 
	public <T> void putCacheWithExpireTime(String key, T obj, final long expireTime) {
		final byte[] bkey = key.getBytes();
		final byte[] bvalue = ProtoStuffSerializerUtil.serialize(obj);
		redisTemplate.execute(new RedisCallback<Boolean>() {
			@Override
			public Boolean doInRedis(RedisConnection connection) throws DataAccessException {
				connection.setEx(bkey, expireTime, bvalue);
				return true;
			}
		});
	}
 
	public <T> boolean putListCache(String key, List<T> objList) {
		final byte[] bkey = key.getBytes();
		final byte[] bvalue = ProtoStuffSerializerUtil.serializeList(objList);
		boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {
			@Override
			public Boolean doInRedis(RedisConnection connection) throws DataAccessException {
				return connection.setNX(bkey, bvalue);
			}
		});
		return result;
	}
 
	public <T> boolean putListCacheWithExpireTime(String key, List<T> objList, final long expireTime) {
		final byte[] bkey = key.getBytes();
		final byte[] bvalue = ProtoStuffSerializerUtil.serializeList(objList);
		boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {
			@Override
			public Boolean doInRedis(RedisConnection connection) throws DataAccessException {
				connection.setEx(bkey, expireTime, bvalue);
				return true;
			}
		});
		return result;
	}
 
	public <T> T getCache(final String key, Class<T> targetClass) {
		byte[] result = redisTemplate.execute(new RedisCallback<byte[]>() {
			@Override
			public byte[] doInRedis(RedisConnection connection) throws DataAccessException {
				return connection.get(key.getBytes());
			}
		});
		if (result == null) {
			return null;
		}
		return ProtoStuffSerializerUtil.deserialize(result, targetClass);
	}
 
	public <T> List<T> getListCache(final String key, Class<T> targetClass) {
		byte[] result = redisTemplate.execute(new RedisCallback<byte[]>() {
			@Override
			public byte[] doInRedis(RedisConnection connection) throws DataAccessException {
				return connection.get(key.getBytes());
			}
		});
		if (result == null) {
			return null;
		}
		return ProtoStuffSerializerUtil.deserializeList(result, targetClass);
	}
 
	/**
	 * 精確刪除key
	 * 
	 * @param key
	 */
	public void deleteCache(String key) {
		redisTemplate.delete(key);
	}
 
	/**
	 * 模糊刪除key
	 * 
	 * @param pattern
	 */
	public void deleteCacheWithPattern(String pattern) {
		Set<String> keys = redisTemplate.keys(pattern);
		redisTemplate.delete(keys);
	}
 
	/**
	 * 清空所有緩存
	 */
	public void clearCache() {
		deleteCacheWithPattern(RedisCache.CAHCENAME + "|*");
	}
}

創(chuàng)建redis的配置文件 redis.properties。

寫入

#redis config
redis.pass=
redis.pool.maxTotal=105
redis.pool.maxIdle=10
redis.pool.maxWaitMillis=5000
redis.pool.testOnBorrow=true
 
redis.ip=127.0.0.1
redis.port=6379

這些根據(jù)自己的需求自定義配置就好了

這樣redis就繼承好了

SpringMVC中使用redis

創(chuàng)建一個(gè)redisCache類

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.core.RedisCallback;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component; 
import com.niit.util.ProtoStuffSerializerUtil; 
import java.util.List;
import java.util.Set;
 
/**
 * redis緩存
 * 
 * @author James
 *
 */
@Component
public class RedisCache {
 
	public final static String CAHCENAME = "niitcache";// 緩存名
	public final static int CAHCETIME = 60;// 默認(rèn)緩存時(shí)間 60S
	public final static int CAHCEHOUR = 60 * 60;// 默認(rèn)緩存時(shí)間 1hr
	public final static int CAHCEDAY = 60 * 60 * 24;// 默認(rèn)緩存時(shí)間 1Day
	public final static int CAHCEWEEK = 60 * 60 * 24 * 7;// 默認(rèn)緩存時(shí)間 1week
	public final static int CAHCEMONTH = 60 * 60 * 24 * 7 * 30;// 默認(rèn)緩存時(shí)間 1month
 
	@Autowired
	private RedisTemplate<String, String> redisTemplate; 
	public <T> boolean putCache(String key, T obj) {
		final byte[] bkey = key.getBytes();
		final byte[] bvalue = ProtoStuffSerializerUtil.serialize(obj);
		boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {
			@Override
			public Boolean doInRedis(RedisConnection connection) throws DataAccessException {
				return connection.setNX(bkey, bvalue);
			}
		});
		return result;
	}
 
	public <T> void putCacheWithExpireTime(String key, T obj, final long expireTime) {
		final byte[] bkey = key.getBytes();
		final byte[] bvalue = ProtoStuffSerializerUtil.serialize(obj);
		redisTemplate.execute(new RedisCallback<Boolean>() {
			@Override
			public Boolean doInRedis(RedisConnection connection) throws DataAccessException {
				connection.setEx(bkey, expireTime, bvalue);
				return true;
			}
		});
	}
 
	public <T> boolean putListCache(String key, List<T> objList) {
		final byte[] bkey = key.getBytes();
		final byte[] bvalue = ProtoStuffSerializerUtil.serializeList(objList);
		boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {
			@Override
			public Boolean doInRedis(RedisConnection connection) throws DataAccessException {
				return connection.setNX(bkey, bvalue);
			}
		});
		return result;
	}
 
	public <T> boolean putListCacheWithExpireTime(String key, List<T> objList, final long expireTime) {
		final byte[] bkey = key.getBytes();
		final byte[] bvalue = ProtoStuffSerializerUtil.serializeList(objList);
		boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {
			@Override
			public Boolean doInRedis(RedisConnection connection) throws DataAccessException {
				connection.setEx(bkey, expireTime, bvalue);
				return true;
			}
		});
		return result;
	}
 
	public <T> T getCache(final String key, Class<T> targetClass) {
		byte[] result = redisTemplate.execute(new RedisCallback<byte[]>() {
			@Override
			public byte[] doInRedis(RedisConnection connection) throws DataAccessException {
				return connection.get(key.getBytes());
			}
		});
		if (result == null) {
			return null;
		}
		return ProtoStuffSerializerUtil.deserialize(result, targetClass);
	}
 
	public <T> List<T> getListCache(final String key, Class<T> targetClass) {
		byte[] result = redisTemplate.execute(new RedisCallback<byte[]>() {
			@Override
			public byte[] doInRedis(RedisConnection connection) throws DataAccessException {
				return connection.get(key.getBytes());
			}
		});
		if (result == null) {
			return null;
		}
		return ProtoStuffSerializerUtil.deserializeList(result, targetClass);
	}
 
	/**
	 * 精確刪除key
	 * 
	 * @param key
	 */
	public void deleteCache(String key) {
		redisTemplate.delete(key);
	}
 
	/**
	 * 模糊刪除key
	 * 
	 * @param pattern
	 */
	public void deleteCacheWithPattern(String pattern) {
		Set<String> keys = redisTemplate.keys(pattern);
		redisTemplate.delete(keys);
	}
 
	/**
	 * 清空所有緩存
	 */
	public void clearCache() {
		deleteCacheWithPattern(RedisCache.CAHCENAME + "|*");
	}
}

寫進(jìn)和讀取redis

<span style="white-space:pre">  </span>String v = "test";
  cache.putCacheWithExpireTime("key", v, cache.CAHCEHOUR);
  String value = cache.getCache("key", String.class);
  System.out.println(value);

然后集成成功。redis是將數(shù)據(jù)放進(jìn)內(nèi)存里。所以需要考慮做redis服務(wù)器時(shí)候的內(nèi)存性能，還有redis的緩存策略等等。

以上為個(gè)人經(jīng)驗(yàn)，希望能給大家一個(gè)參考，也希望大家多多支持本站。

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