Spring 整合 Redis

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原创最新推荐文章于 2026-07-09 16:51:01 发布 10w+ 阅读 AI 写同款· GEO 优化 ›

Spring与Redis的整合&&Redis注解式缓存以及Redis雪崩等问题的解决 Spring整合Redis步骤、redis注解缓存的三种使用、redis击穿、穿透、雪崩现象以及其解决方案。。。阅读详情

pom构建：

  <modelVersion>4.0.0</modelVersion>
  <groupId>com.x.redis</groupId>
  <artifactId>springredis</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  
  <dependencies>
  	<dependency>
  		<groupId>org.springframework.data</groupId>
  		<artifactId>spring-data-redis</artifactId>
  		<version>1.0.2.RELEASE</version>
  	</dependency>
  	<dependency>
  		<groupId>org.springframework</groupId>
  		<artifactId>spring-test</artifactId>
  		<version>3.1.2.RELEASE</version>
  		<scope>test</scope>
  	</dependency>
  	
  	<dependency>
  		<groupId>redis.clients</groupId>
  		<artifactId>jedis</artifactId>
  		<version>2.1.0</version>
  	</dependency>
  	
  	 <dependency>
  		<groupId>junit</groupId>
  		<artifactId>junit</artifactId>
  		<version>4.8.2</version>
  		<scope>test</scope>
  	</dependency>
  </dependencies>

spring配置文件(applicationContext.xml)：

<?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:p="http://www.springframework.org/schema/p"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:jee="http://www.springframework.org/schema/jee" xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:aop="http://www.springframework.org/schema/aop"
	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">

	<context:property-placeholder location="classpath:redis.properties" />

	<bean id="poolConfig" class="redis.clients.jedis.JedisPoolConfig">
		<property name="maxIdle" value="${redis.maxIdle}" />
		<property name="maxActive" value="${redis.maxActive}" />
		<property name="maxWait" value="${redis.maxWait}" />
		<property name="testOnBorrow" value="${redis.testOnBorrow}" />
	</bean>
	
	<bean id="connectionFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory"
		p:host-name="${redis.host}" p:port="${redis.port}" p:password="${redis.pass}"  p:pool-config-ref="poolConfig"/>
	
	<bean id="redisTemplate" class="org.springframework.data.redis.core.StringRedisTemplate">
		<property name="connectionFactory" 	ref="connectionFactory" />
	</bean>		
	
	<bean id="userDao" class="com.x.dao.impl.UserDao" /> 
</beans>

redis.properties

# Redis settings
redis.host=localhost
redis.port=6379
redis.pass=java2000_wl


redis.maxIdle=300
redis.maxActive=600
redis.maxWait=1000
redis.testOnBorrow=true

java代码：

package com.x.entity;

import java.io.Serializable;

/** 
 * @author http://blog.youkuaiyun.com/java2000_wl 
 * @version <b>1.0</b> 
 */ 
public class User implements Serializable {
	
	private static final long serialVersionUID = -6011241820070393952L;

	private String id;
	
	private String name;
	
	private String password;

	/**
	 * <br>------------------------------<br>
	 */
	public User() {
		
	}
	
	/**
	 * <br>------------------------------<br>
	 */
	public User(String id, String name, String password) {
		super();
		this.id = id;
		this.name = name;
		this.password = password;
	}

	/**
	 * 获得id
	 * @return the id
	 */
	public String getId() {
		return id;
	}

	/**
	 * 设置id
	 * @param id the id to set
	 */
	public void setId(String id) {
		this.id = id;
	}

	/**
	 * 获得name
	 * @return the name
	 */
	public String getName() {
		return name;
	}

	/**
	 * 设置name
	 * @param name the name to set
	 */
	public void setName(String name) {
		this.name = name;
	}

	/**
	 * 获得password
	 * @return the password
	 */
	public String getPassword() {
		return password;
	}

	/**
	 * 设置password
	 * @param password the password to set
	 */
	public void setPassword(String password) {
		this.password = password;
	}
}

package com.x.dao;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.RedisSerializer;

/** 
 * AbstractBaseRedisDao
 * @author http://blog.youkuaiyun.com/java2000_wl 
 * @version <b>1.0</b> 
 */ 
public abstract class AbstractBaseRedisDao<K, V> {
	
	@Autowired
	protected RedisTemplate<K, V> redisTemplate;

	/**
	 * 设置redisTemplate
	 * @param redisTemplate the redisTemplate to set
	 */
	public void setRedisTemplate(RedisTemplate<K, V> redisTemplate) {
		this.redisTemplate = redisTemplate;
	}
	
	/**
	 * 获取 RedisSerializer
	 * <br>------------------------------<br>
	 */
	protected RedisSerializer<String> getRedisSerializer() {
		return redisTemplate.getStringSerializer();
	}
}

package com.x.dao;

import java.util.List;

import com.x.entity.User;

/** 
 * @author http://blog.youkuaiyun.com/java2000_wl 
 * @version <b>1.0</b> 
 */ 
public interface IUserDao {
	
	/**
	 * 新增
	 * <br>------------------------------<br>
	 * @param user
	 * @return
	 */
	boolean add(User user);
	
	/**
	 * 批量新增 使用pipeline方式
	 * <br>------------------------------<br>
	 * @param list
	 * @return
	 */
	boolean add(List<User> list);
	
	/**
	 * 删除
	 * <br>------------------------------<br>
	 * @param key
	 */
	void delete(String key);
	
	/**
	 * 删除多个
	 * <br>------------------------------<br>
	 * @param keys
	 */
	void delete(List<String> keys);
	
	/**
	 * 修改
	 * <br>------------------------------<br>
	 * @param user
	 * @return 
	 */
	boolean update(User user);

	/**
	 * 通过key获取
	 * <br>------------------------------<br>
	 * @param keyId
	 * @return 
	 */
	User get(String keyId);
}

package com.x.dao.impl;

import java.util.ArrayList;
import java.util.List;

import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.core.RedisCallback;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.util.Assert;

import com.x.dao.AbstractBaseRedisDao;
import com.x.dao.IUserDao;
import com.x.entity.User;

/** 
 * Dao
 * @author http://blog.youkuaiyun.com/java2000_wl 
 * @version <b>1.0</b> 
 */ 
public class UserDao extends AbstractBaseRedisDao<String, User> implements IUserDao {

	/** 
	 * 新增
	 *<br>------------------------------<br>
	 * @param user
	 * @return
	 */
	public boolean add(final User user) {
		boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {
			public Boolean doInRedis(RedisConnection connection)
					throws DataAccessException {
				RedisSerializer<String> serializer = getRedisSerializer();
				byte[] key  = serializer.serialize(user.getId());
				byte[] name = serializer.serialize(user.getName());
				return connection.setNX(key, name);
			}
		});
		return result;
	}
	
	/**
	 * 批量新增 使用pipeline方式  
	 *<br>------------------------------<br>
	 *@param list
	 *@return
	 */
	public boolean add(final List<User> list) {
		Assert.notEmpty(list);
		boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {
			public Boolean doInRedis(RedisConnection connection)
					throws DataAccessException {
				RedisSerializer<String> serializer = getRedisSerializer();
				for (User user : list) {
					byte[] key  = serializer.serialize(user.getId());
					byte[] name = serializer.serialize(user.getName());
					connection.setNX(key, name);
				}
				return true;
			}
		}, false, true);
		return result;
	}
	
	/** 
	 * 删除
	 * <br>------------------------------<br>
	 * @param key
	 */
	public void delete(String key) {
		List<String> list = new ArrayList<String>();
		list.add(key);
		delete(list);
	}

	/**
	 * 删除多个
	 * <br>------------------------------<br>
	 * @param keys
	 */
	public void delete(List<String> keys) {
		redisTemplate.delete(keys);
	}

	/**
	 * 修改 
	 * <br>------------------------------<br>
	 * @param user
	 * @return 
	 */
	public boolean update(final User user) {
		String key = user.getId();
		if (get(key) == null) {
			throw new NullPointerException("数据行不存在, key = " + key);
		}
		boolean result = redisTemplate.execute(new RedisCallback<Boolean>() {
			public Boolean doInRedis(RedisConnection connection)
					throws DataAccessException {
				RedisSerializer<String> serializer = getRedisSerializer();
				byte[] key  = serializer.serialize(user.getId());
				byte[] name = serializer.serialize(user.getName());
				connection.set(key, name);
				return true;
			}
		});
		return result;
	}

	/** 
	 * 通过key获取
	 * <br>------------------------------<br>
	 * @param keyId
	 * @return
	 */
	public User get(final String keyId) {
		User result = redisTemplate.execute(new RedisCallback<User>() {
			public User doInRedis(RedisConnection connection)
					throws DataAccessException {
				RedisSerializer<String> serializer = getRedisSerializer();
				byte[] key = serializer.serialize(keyId);
				byte[] value = connection.get(key);
				if (value == null) {
					return null;
				}
				String name = serializer.deserialize(value);
				return new User(keyId, name, null);
			}
		});
		return result;
	}
}

import java.util.ArrayList;
import java.util.List;

import junit.framework.Assert;

import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.AbstractJUnit4SpringContextTests;

import com.x.dao.IUserDao;
import com.x.entity.User;

/** 
 * 测试
 * @author http://blog.youkuaiyun.com/java2000_wl 
 * @version <b>1.0</b> 
 */  
@ContextConfiguration(locations = {"classpath*:applicationContext.xml"})
public class RedisTest extends AbstractJUnit4SpringContextTests {
	
	@Autowired
	private IUserDao userDao;
	
	/**
	 * 新增
	 * <br>------------------------------<br>
	 */
	@Test
	public void testAddUser() {
		User user = new User();
		user.setId("user1");
		user.setName("java2000_wl");
		boolean result = userDao.add(user);
		Assert.assertTrue(result);
	}
	
	/**
	 * 批量新增 普通方式
	 * <br>------------------------------<br>
	 */
	@Test
	public void testAddUsers1() {
		List<User> list = new ArrayList<User>();
		for (int i = 10; i < 50000; i++) {
			User user = new User();
			user.setId("user" + i);
			user.setName("java2000_wl" + i);
			list.add(user);
		}
		long begin = System.currentTimeMillis();
		for (User user : list) {
			userDao.add(user);
		}
		System.out.println(System.currentTimeMillis() -  begin);
	}
	
	/**
	 * 批量新增 pipeline方式
	 * <br>------------------------------<br>
	 */
	@Test
	public void testAddUsers2() {
		List<User> list = new ArrayList<User>();
		for (int i = 10; i < 1500000; i++) {
			User user = new User();
			user.setId("user" + i);
			user.setName("java2000_wl" + i);
			list.add(user);
		}
		long begin = System.currentTimeMillis();
		boolean result = userDao.add(list);
		System.out.println(System.currentTimeMillis() - begin);
		Assert.assertTrue(result);
	}
	
	/**
	 * 修改
	 * <br>------------------------------<br>
	 */
	@Test
	public void testUpdate() {
		User user = new User();
		user.setId("user1");
		user.setName("new_password");
		boolean result = userDao.update(user);
		Assert.assertTrue(result);
	}
	
	/**
	 * 通过key删除单个
	 * <br>------------------------------<br>
	 */
	@Test
	public void testDelete() {
		String key = "user1";
		userDao.delete(key);
	}
	
	/**
	 * 批量删除
	 * <br>------------------------------<br>
	 */
	@Test
	public void testDeletes() {
		List<String> list = new ArrayList<String>();
		for (int i = 0; i < 10; i++) {
			list.add("user" + i);
		}
		userDao.delete(list);
	}
	
	/**
	 * 获取
	 * <br>------------------------------<br>
	 */
	@Test
	public void testGetUser() {
		String id = "user1";
		User user = userDao.get(id);
		Assert.assertNotNull(user);
		Assert.assertEquals(user.getName(), "java2000_wl");
	}

	/**
	 * 设置userDao
	 * @param userDao the userDao to set
	 */
	public void setUserDao(IUserDao userDao) {
		this.userDao = userDao;
	}
}

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