java工具类（redis配置工具包）

代码语言：javascript复制

package com.adingxiong.pm.config;


import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.cache.RedisCacheWriter;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.*;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.time.Duration;


/**
 * redis的配置相关
 * EnableCaching  开启缓存注解
 *
 * @author a
 */
@Configuration
@EnableCaching

public class RedisConfig extends CachingConfigurerSupport {


    /**
     * 选择Redis 作为默认的缓存工具
     *
     * @param redisConnectionFactory
     * @return
     */
    @Bean
    public CacheManager cacheManager(RedisConnectionFactory redisConnectionFactory) {
        // 设置缓存有效期一小时
        RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig()
                .entryTtl(Duration.ofHours(1));
        return RedisCacheManager
                .builder(RedisCacheWriter.nonLockingRedisCacheWriter(redisConnectionFactory))
                .cacheDefaults(redisCacheConfiguration).build();
    }

    /**
     * redis的template的相关配置
     * @param factory
     * @return
     */
    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        //配置连接工厂
        template.setConnectionFactory(factory);
        //使用Jackson2JsonRedisSerializer来序列化和反序列化value值
        Jackson2JsonRedisSerializer json = new Jackson2JsonRedisSerializer(Object.class);

        ObjectMapper mapper = new ObjectMapper();
        //指定要序列化的域，field，get和set，以及修饰的范围，ANY是包括private和public
        mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        //指定序列化的输入类型，类必须是非final修饰的，final修饰的类，比如String，Integer会抛出异常
        mapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        json.setObjectMapper(mapper);

        //值采用json序列化
        template.setValueSerializer(json);
        //使用StringRedisSerializer来序列化和反序列化redis的值
        template.setKeySerializer(new StringRedisSerializer());

        //设置hash key和value序列化模式
        template.setHashKeySerializer(new StringRedisSerializer());
        template.setHashValueSerializer(json);
        template.afterPropertiesSet();
        return template;
    }

    /**
     * 对hash类型数据的操作
     * @param redisTemplate
     * @return
     */
    @Bean
    public HashOperations<String,String,Object> hashOperations(RedisTemplate<String,Object> redisTemplate){
        return  redisTemplate.opsForHash();
    }


    /**
     *  对redis字符串类型数据进行处理
     * @param redisTemplate
     * @return
     */
    @Bean
    public ValueOperations<String,Object> valueOperations(RedisTemplate<String,Object> redisTemplate){
        return redisTemplate.opsForValue();
    }

    /**
     * 对 redis  数组集合数据进行处理
     * @param redisTemplate
     * @return
     */
    @Bean
    public ListOperations<String,Object> listOperations(RedisTemplate<String,Object> redisTemplate){
        return redisTemplate.opsForList();
    }

    /**
     * 对 redis  无序集合数据进行处理
     * @param redisTemplate
     * @return
     */
    @Bean
    public SetOperations<String,Object> setOperations (RedisTemplate<String,Object> redisTemplate){
        return redisTemplate.opsForSet();
    }


    /**
     * 对 redis  有序集合数据进行处理
     * @param redisTemplate
     * @return
     */
    @Bean
    public ZSetOperations<String,Object> zSetOperations (RedisTemplate<String,Object> redisTemplate){
        return redisTemplate.opsForZSet();
    }

}

java redis

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