mirror of
https://github.com/nagisa77/OpenIsle.git
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c0afe9e2a9
本次主要改动范围： 1.分类列表缓存 2.标签列表缓存 追加的新类库 1.redis 2.jsr310→java8时间类localdatetime无法解析的问题 3.jaskson-hibernate6->hibernate 字段懒加载问题 其他改动 1.修改了初始化脚本的用户名，追加密码说明
110 lines
5.0 KiB
Java
110 lines
5.0 KiB
Java
package com.openisle.config;
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import com.fasterxml.jackson.annotation.JsonAutoDetect;
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import com.fasterxml.jackson.annotation.JsonTypeInfo;
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import com.fasterxml.jackson.annotation.PropertyAccessor;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
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import com.fasterxml.jackson.datatype.hibernate6.Hibernate6Module;
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import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
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import org.springframework.cache.CacheManager;
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import org.springframework.cache.annotation.EnableCaching;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.Primary;
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import org.springframework.data.redis.cache.RedisCacheConfiguration;
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import org.springframework.data.redis.cache.RedisCacheManager;
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import org.springframework.data.redis.connection.RedisConnectionFactory;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
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import org.springframework.data.redis.serializer.RedisSerializationContext;
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import org.springframework.data.redis.serializer.RedisSerializer;
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import org.springframework.data.redis.serializer.StringRedisSerializer;
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import java.time.Duration;
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/**
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* Redis 缓存配置类
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* @author smallclover
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* @since 2025-09-04
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*/
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@Configuration
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@EnableCaching
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public class CachingConfig {
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// 标签缓存名
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public static final String TAG_CACHE_NAME="openisle_tags";
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// 分类缓存名
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public static final String CATEGORY_CACHE_NAME="openisle_categories";
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/**
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* 自定义Redis的序列化器
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* @return
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*/
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@Bean()
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@Primary
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public RedisSerializer<Object> redisSerializer() {
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// 注册 JavaTimeModule 來支持 Java 8 的日期和时间 API,否则回报一下错误，同时还要引入jsr310
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// org.springframework.data.redis.serializer.SerializationException: Could not write JSON: Java 8 date/time type `java.time.LocalDateTime` not supported by default:
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// add Module "com.fasterxml.jackson.datatype:jackson-datatype-jsr310" to enable handling
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// (through reference chain: java.util.ArrayList[0]->com.openisle.dto.TagDto["createdAt"])
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// 设置可见性，允许序列化所有元素
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ObjectMapper objectMapper = new ObjectMapper();
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objectMapper.registerModule(new JavaTimeModule());
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// Hibernate6Module 可以自动处理懒加载代理对象。
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// Tag对象的creator是FetchType.LAZY
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objectMapper.registerModule(new Hibernate6Module()
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.disable(Hibernate6Module.Feature.USE_TRANSIENT_ANNOTATION));
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// service的时候带上类型信息
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// 启用类型信息，避免 LinkedHashMap 问题
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objectMapper.activateDefaultTyping(
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LaissezFaireSubTypeValidator.instance,
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ObjectMapper.DefaultTyping.NON_FINAL,
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JsonTypeInfo.As.PROPERTY
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);
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objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
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return new GenericJackson2JsonRedisSerializer(objectMapper);
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}
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/**
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* 配置 Spring Cache 使用 RedisCacheManager
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*/
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@Bean
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public CacheManager cacheManager(RedisConnectionFactory connectionFactory, RedisSerializer<Object> redisSerializer) {
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RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()
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.entryTtl(Duration.ZERO) // 默认缓存不过期
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.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()))
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.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer))
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.disableCachingNullValues(); // 禁止缓存 null 值
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// 个别缓存单独设置TTL时间
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// Map<String, RedisCacheConfiguration> cacheConfigs = new HashMap<>();
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// cacheConfigs.put("openisle_tags", RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ZERO));
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// cacheConfigs.put("openisle_categories", RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ZERO));
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return RedisCacheManager.builder(connectionFactory)
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.cacheDefaults(config)
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.build();
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}
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/**
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* 配置 RedisTemplate，支持直接操作 Redis
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*/
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@Bean
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public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory connectionFactory, RedisSerializer<Object> redisSerializer) {
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RedisTemplate<String, Object> template = new RedisTemplate<>();
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template.setConnectionFactory(connectionFactory);
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// key 和 hashKey 使用 String 序列化
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template.setKeySerializer(new StringRedisSerializer());
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template.setHashKeySerializer(new StringRedisSerializer());
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// value 和 hashValue 使用 JSON 序列化
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template.setValueSerializer(redisSerializer);
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template.setHashValueSerializer(redisSerializer);
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return template;
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}
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}
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