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- package org.jeecg.config;
- import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
- import com.fasterxml.jackson.annotation.PropertyAccessor;
- import com.fasterxml.jackson.databind.ObjectMapper;
- import com.fasterxml.jackson.databind.ObjectMapper.DefaultTyping;
- import org.springframework.cache.CacheManager;
- import org.springframework.cache.annotation.CachingConfigurerSupport;
- import org.springframework.cache.annotation.EnableCaching;
- import org.springframework.cache.interceptor.KeyGenerator;
- 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.lettuce.LettuceConnectionFactory;
- import org.springframework.data.redis.core.RedisTemplate;
- import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
- import org.springframework.data.redis.serializer.RedisSerializer;
- import org.springframework.data.redis.serializer.StringRedisSerializer;
- import javax.annotation.Resource;
- import java.lang.reflect.Method;
- import java.time.Duration;
- import java.util.Arrays;
- @Configuration
- @EnableCaching
- public class RedisConfig extends CachingConfigurerSupport {
- @Resource
- private LettuceConnectionFactory lettuceConnectionFactory;
- /**
- * @description 自定义的缓存key的生成策略 若想使用这个key
- * 只需要讲注解上keyGenerator的值设置为keyGenerator即可</br>
- * @return 自定义策略生成的key
- */
- @Override
- @Bean
- public KeyGenerator keyGenerator() {
- return new KeyGenerator() {
- @Override
- public Object generate(Object target, Method method, Object... params) {
- StringBuilder sb = new StringBuilder();
- sb.append(target.getClass().getName());
- sb.append(method.getDeclaringClass().getName());
- Arrays.stream(params).map(Object::toString).forEach(sb::append);
- return sb.toString();
- }
- };
- }
- /**
- * RedisTemplate配置
- */
- @Bean
- public RedisTemplate<String, Object> redisTemplate(LettuceConnectionFactory lettuceConnectionFactory) {
- // 设置序列化
- Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<Object>(Object.class);
- ObjectMapper om = new ObjectMapper();
- om.setVisibility(PropertyAccessor.ALL, Visibility.ANY);
- om.enableDefaultTyping(DefaultTyping.NON_FINAL);
- jackson2JsonRedisSerializer.setObjectMapper(om);
- // 配置redisTemplate
- RedisTemplate<String, Object> redisTemplate = new RedisTemplate<String, Object>();
- redisTemplate.setConnectionFactory(lettuceConnectionFactory);
- RedisSerializer<?> stringSerializer = new StringRedisSerializer();
- // key序列化
- redisTemplate.setKeySerializer(stringSerializer);
- // value序列化
- redisTemplate.setValueSerializer(jackson2JsonRedisSerializer);
- // Hash key序列化
- redisTemplate.setHashKeySerializer(stringSerializer);
- // Hash value序列化
- redisTemplate.setHashValueSerializer(jackson2JsonRedisSerializer);
- redisTemplate.afterPropertiesSet();
- return redisTemplate;
- }
- /**
- * 缓存配置管理器
- */
- @Bean
- public CacheManager cacheManager(LettuceConnectionFactory factory) {
- // 以锁写入的方式创建RedisCacheWriter对象
- RedisCacheWriter writer = RedisCacheWriter.lockingRedisCacheWriter(factory);
- /**
- * 设置CacheManager的Value序列化方式为JdkSerializationRedisSerializer,
- * 但其实RedisCacheConfiguration默认就是使用 StringRedisSerializer序列化key,
- * JdkSerializationRedisSerializer序列化value, 所以以下注释代码就是默认实现,没必要写,直接注释掉
- */
- // RedisSerializationContext.SerializationPair pair =
- // RedisSerializationContext.SerializationPair.fromSerializer(new
- // JdkSerializationRedisSerializer(this.getClass().getClassLoader()));
- // RedisCacheConfiguration config =
- // RedisCacheConfiguration.defaultCacheConfig().serializeValuesWith(pair);
- // 创建默认缓存配置对象
- // 创建默认缓存配置对象
- //设置缓存默认有效期3小时;
- RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofHours(3));
- RedisCacheManager cacheManager = new RedisCacheManager(writer, config);
- return cacheManager;
- }
- }
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