二十三、Spring Boot自定义Redis实现缓存机制

基于spring-date的已经实现了 CacheManager缓存管理器和caceh等，具体使用参考：http://blog.csdn.net/l_sail/article/details/70306339

工程结构

maven依赖

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0modelVersion>

    <groupId>com.lfgroupId>
    <artifactId>cache-RedisTemplateartifactId>
    <version>0.0.1-SNAPSHOTversion>
    <packaging>jarpackaging>

    <name>cache-RedisTemplatename>
    <description>Demo project for Spring Bootdescription>

    <parent>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-parentartifactId>
        <version>1.5.2.RELEASEversion>
        <relativePath/> 
    parent>

    <properties>
        <project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8project.reporting.outputEncoding>
        <java.version>1.8java.version>
    properties>

    <dependencies>

        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-data-redisartifactId>
        dependency>

        
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-cacheartifactId>
        dependency>


        <dependency>
            <groupId>org.mybatis.spring.bootgroupId>
            <artifactId>mybatis-spring-boot-starterartifactId>
            <version>1.3.0version>
        dependency>

        <dependency>
            <groupId>mysqlgroupId>
            <artifactId>mysql-connector-javaartifactId>
            <scope>runtimescope>
        dependency>

        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-testartifactId>
            <scope>testscope>
        dependency>


    dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.bootgroupId>
                <artifactId>spring-boot-maven-pluginartifactId>
            plugin>
        plugins>
    build>


project>

自定义缓存管理

package com.lf.redisConfig;


import com.lf.config.RedisObjectSerializer;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;

/**
 * Created by LF on 2017/4/20.
 */
@Configuration
public class RedisCacheConfig extends CachingConfigurerSupport {

    @Bean
    public CacheManager cacheManager(RedisTemplate redisTemplate) {
        CacheManager cacheManager = new RedisCacheManager(redisTemplate);
        return cacheManager;
    }

    @Bean
    public RedisTemplate redisTemplate(RedisConnectionFactory factory) {

        RedisTemplate redisTemplate = new RedisTemplate();
        redisTemplate.setConnectionFactory(factory);

        //key序列化方式;（不然会出现乱码;）
        //如果实现了key的自定义方式 方法上有Long等非String类型的话，会报类型转换错误；
        //则要实现RedisSerializer的序列化，
        redisTemplate.setKeySerializer(new RedisObjectSerializer());
        redisTemplate.setValueSerializer(new RedisObjectSerializer());
        return redisTemplate;
    }

    //自定义key的实现方式
    @Override
    public KeyGenerator keyGenerator() {
        System.out.println("RedisCacheConfig.keyGenerator()");
        return (o, method, objects) -> {
            StringBuilder sb = new StringBuilder();
            sb.append(o.getClass().getName());
            sb.append(method.getName());
            for (Object obj : objects) {
                sb.append(obj.toString());
            }
            System.out.println("keyGenerator=" + sb.toString());
            return sb.toString();
        };

    }


}

其他文件参看：http://blog.csdn.net/l_sail/article/details/70306339