Spring 整合 Redis

最新推荐文章于 2025-06-01 19:00:00 发布

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最新推荐文章于 2025-06-01 19:00:00 发布

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分类专栏： # Redis # Java 文章标签： spring redis

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文章转载自
博主：信念_
文章地址:http://blog.csdn.net/java2000_wl/article/details/8543203

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="${redis.host}&quot; p:port=&quot;${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.csdn.net/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.csdn.net/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.csdn.net/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.csdn.net/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.csdn.net/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;
    }
}