springmvc集成使用redis过程-编程学习网

Redis安装

首先安装redis。这个就不重点介绍了。windos下载redis就行。

我用的是mac

用命令行安装的。

安装命令


yum install redis

运行命令


sudo redis-server

这样就安装运行成功了。

spring集成redis

首先你需要下载驱动包，下载 jedis.jar，确保下载最新驱动包。然后导包。

在spring配置文件里我这是ApplicationContext .xml文件添加


<!-- 引入同文件夹下的redis属性配置文件 -->
 <import resource="spring-redis.xml" />

然后用创建spring-redis.xml文件

写入


<?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">
        
	<!-- 缓存的层级-->
 	<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="int" />
				</bean>
				<bean class="redis.clients.jedis.HostAndPort">
					<constructor-arg index="0" value="${redis.ip2}" />
					<constructor-arg index="1" value="${redis.port2}" type="int" />
				</bean>
				<bean class="redis.clients.jedis.HostAndPort">
					<constructor-arg index="0" value="${redis.ip3}" />
					<constructor-arg index="1" value="${redis.port3}" type="int" />
				</bean>
				<bean class="redis.clients.jedis.HostAndPort">
					<constructor-arg index="0" value="${redis.ip4}" />
					<constructor-arg index="1" value="${redis.port4}" type="int" />
				</bean>
				<bean class="redis.clients.jedis.HostAndPort">
					<constructor-arg index="0" value="${redis.ip5}" />
					<constructor-arg index="1" value="${redis.port5}" type="int" />
				</bean>
				<bean class="redis.clients.jedis.HostAndPort">
					<constructor-arg index="0" value="${redis.ip6}" />
					<constructor-arg index="1" value="${redis.port6}" type="int" />
				</bean>
			</set>
		</constructor-arg>
		<constructor-arg index="1" value="2000" type="int"></constructor-arg>
		<constructor-arg index="2" value="100" type="int"></constructor-arg>
		<constructor-arg index="3" ref="jedisPoolConfig"></constructor-arg>
	</bean>-->
 
	<!--redis Sentinel主从高可用方案配置 -->
	<!-- <bean id="sentinelConfiguration" class="org.springframework.data.redis.connection.RedisSentinelConfiguration">
		<property name="master">
			<bean class="org.springframework.data.redis.connection.RedisNode">
				<property name="name" value="master-1"></property>
			</bean>
		</property>
		<property name="sentinels">
			<set>
				<bean class="org.springframework.data.redis.connection.RedisNode">
					<constructor-arg name="host" value="${sentinel1.ip}"></constructor-arg>
					<constructor-arg name="port" value="${sentinel1.port}"></constructor-arg>
				</bean>
				<bean class="org.springframework.data.redis.connection.RedisNode">
					<constructor-arg name="host" value="${sentinel2.ip}"></constructor-arg>
					<constructor-arg name="port" value="${sentinel2.port}"></constructor-arg>
				</bean>
				<bean class="org.springframework.data.redis.connection.RedisNode">
					<constructor-arg name="host" value="${sentinel3.ip}"></constructor-arg>
					<constructor-arg name="port" value="${sentinel3.port}"></constructor-arg>
				</bean>
			</set>
		</property>
	</bean>
	<bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory" p:use-pool="true">
		<property name="password" value="${redis.pass}" />
		<property name="poolConfig">
			<ref bean="jedisPoolConfig" />
		</property>
		<constructor-arg name="sentinelConfig" ref="sentinelConfiguration" />
	</bean> -->
 
	<!-- redis单节点数据库连接配置 -->
	<bean id="jedisConnectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">
		<property name="hostName" value="${redis.ip}" />
		<property name="port" value="${redis.port}" />
		<property name="password" value="${redis.pass}" />
		<property name="poolConfig" ref="jedisPoolConfig" />
	</bean> 
 
	<!-- redisTemplate配置，redisTemplate是对Jedis的对redis操作的扩展，有更多的操作，封装使操作更便捷 -->
	<bean id="redisTemplate" class="org.springframework.data.redis.core.StringRedisTemplate">
		<property name="connectionFactory" ref="jedisConnectionFactory" />
	</bean>
	
</beans>


public class RedisCache { 
	public final static String CAHCENAME = "niitcache";// 缓存名
	public final static int CAHCETIME = 60;// 默认缓存时间 60S
	public final static int CAHCEHOUR = 60 * 60;// 默认缓存时间 1hr
	public final static int CAHCEDAY = 60 * 60 * 24;// 默认缓存时间 1Day
	public final static int CAHCEWEEK = 60 * 60 * 24 * 7;// 默认缓存时间 1week
	public final static int CAHCEMONTH = 60 * 60 * 24 * 7 * 30;// 默认缓存时间 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);
	}
 
	
	public void deleteCache(String key) {
		redisTemplate.delete(key);
	}
 
	
	public void deleteCacheWithPattern(String pattern) {
		Set<String> keys = redisTemplate.keys(pattern);
		redisTemplate.delete(keys);
	}
 
	
	public void clearCache() {
		deleteCacheWithPattern(RedisCache.CAHCENAME + "|*");
	}
}

创建redis的配置文件 redis.properties。

写入


#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

这些根据自己的需求自定义配置就好了

这样redis就继承好了

SpringMVC中使用redis

创建一个redisCache类


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;
 

@Component
public class RedisCache {
 
	public final static String CAHCENAME = "niitcache";// 缓存名
	public final static int CAHCETIME = 60;// 默认缓存时间 60S
	public final static int CAHCEHOUR = 60 * 60;// 默认缓存时间 1hr
	public final static int CAHCEDAY = 60 * 60 * 24;// 默认缓存时间 1Day
	public final static int CAHCEWEEK = 60 * 60 * 24 * 7;// 默认缓存时间 1week
	public final static int CAHCEMONTH = 60 * 60 * 24 * 7 * 30;// 默认缓存时间 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);
	}
 
	
	public void deleteCache(String key) {
		redisTemplate.delete(key);
	}
 
	
	public void deleteCacheWithPattern(String pattern) {
		Set<String> keys = redisTemplate.keys(pattern);
		redisTemplate.delete(keys);
	}
 
	
	public void clearCache() {
		deleteCacheWithPattern(RedisCache.CAHCENAME + "|*");
	}
}

写进和读取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是将数据放进内存里。所以需要考虑做redis服务器时候的内存性能，还有redis的缓存策略等等。

以上为个人经验，希望能给大家一个参考，也希望大家多多支持编程网。

文章详情

springmvc集成使用redis过程

目录

Redis安装

spring集成redis

SpringMVC中使用redis

写进和读取redis

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