93 lines
4.8 KiB
Java
93 lines
4.8 KiB
Java
package com.atguigu.config;
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import com.fasterxml.jackson.annotation.JsonAutoDetect;
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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.SerializationFeature;
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import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
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import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
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import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
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import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
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import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
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import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.cache.CacheManager;
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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.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.connection.lettuce.LettuceConnectionFactory;
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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.Jackson2JsonRedisSerializer;
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import org.springframework.data.redis.serializer.RedisSerializationContext;
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import org.springframework.data.redis.serializer.StringRedisSerializer;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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@Configuration
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@Slf4j
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public class RedisConfiguration {
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/**
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* 使用StringRedisSerializer序列化为字符串
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*/
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@Bean
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public RedisTemplate<String, Object> redisTemplate(LettuceConnectionFactory connectionFactory) {
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RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();
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redisTemplate.setConnectionFactory(connectionFactory);
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// 设置key序列化为string
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redisTemplate.setKeySerializer(new StringRedisSerializer());
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// 设置value序列化为JSON，使用GenericJackson2JsonRedisSerializer替换默认序列化
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redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());
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redisTemplate.setHashKeySerializer(new StringRedisSerializer());
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redisTemplate.setHashValueSerializer(new GenericJackson2JsonRedisSerializer());
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return redisTemplate;
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}
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/**
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* 解决cache(@Cacheable)把数据缓存到redis中的value是乱码问题
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*/
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@Bean
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@SuppressWarnings("all")
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public CacheManager cacheManager(RedisConnectionFactory factory) {
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StringRedisSerializer redisSerializer = new StringRedisSerializer();
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// json序列化
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Jackson2JsonRedisSerializer<Object> serializer = jsonRedisSerializer();
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// 配置序列化
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RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();
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RedisCacheConfiguration redisCacheConfiguration = config
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.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer))
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.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(serializer));
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RedisCacheManager cacheManager = RedisCacheManager.builder(factory)
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.cacheDefaults(redisCacheConfiguration).build();
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return cacheManager;
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}
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/**
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* 指定的日期模式
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*/
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public Jackson2JsonRedisSerializer<Object> jsonRedisSerializer() {
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ObjectMapper mapper = new ObjectMapper();
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// 设置ObjectMapper访问权限
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mapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
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// 记录序列化之后的数据类型，方便反序列化
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mapper.activateDefaultTyping(LaissezFaireSubTypeValidator.instance, ObjectMapper.DefaultTyping.NON_FINAL);
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// 关闭默认的日期格式化方式，默认UTC日期格式 yyyy-MM-dd’T’HH:mm:ss.SSS
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mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
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// LocalDatetime序列化，默认不兼容jdk8日期序列化
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JavaTimeModule timeModule = new JavaTimeModule();
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timeModule.addDeserializer(LocalDate.class, new LocalDateDeserializer(DateTimeFormatter.ofPattern("yyyy-MM-dd")));
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timeModule.addSerializer(LocalDate.class, new LocalDateSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd")));
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timeModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
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timeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
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mapper.registerModule(timeModule);
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return new Jackson2JsonRedisSerializer<>(mapper, Object.class);
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}
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} |