Springboot详解缓存redis实现定时过期方法

<?xml version="1.0" encoding="UTF-8"?>
<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.7.0</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
	<groupId>com.test</groupId>
	<artifactId>common-project</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>common-project</name>
	<description></description>
	<properties>
		<java.version>1.8</java.version>
	</properties>
	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-redis</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-WEB</artifactId>
		</dependency>
		<dependency>
			<groupId>org.projectlombok</groupId>
			<artifactId>lombok</artifactId>
			<version>1.18.24</version>
		</dependency>
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>fastJSON</artifactId>
			<version>2.0.7</version>
		</dependency>
	</dependencies>
</project>

@SpringBootApplication
@EnableCaching //开启缓存
public class CommonApplication {
    public static void main(String[] args) {
        SpringApplication.run(CommonApplication.class,args);
    }
}

@RestController
@RequestMapping("/test")
@CacheConfig(cacheNames = "test-controller")
public class TestController {
    @Autowired
    TestService testService;
    @RequestMapping("/testCache")
    @Cacheable(key = "'testCache'",unless = "#result==null")
    public Object testCache(){
        return testService.getUserInfoList();
    }
}

@Configuration
public class RedisCacheManagerConfig {
    
    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        template.setConnectionFactory(factory);
        Jackson2jsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.activateDefaultTyping(LaissezFaireSubTypeValidator.instance, ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(om);
        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
        //key 采用的String 的序列化方式
        template.seTKEySerializer(stringRedisSerializer);
        //hashde key 也采用String的序列化方式
        template.setHashKeySerializer(stringRedisSerializer);
        //value 序列化方式采用jackson
        template.setValueSerializer(jackson2JsonRedisSerializer);
        //hash 的 value序列化方式采用jackson
        template.setHashKeySerializer(jackson2JsonRedisSerializer);
        template.afterPropertiesSet();
        template.afterPropertiesSet();
        return template;
    }
    @Bean
    RedisCacheWriter writer(RedisTemplate<String, Object> redisTemplate) {
        return RedisCacheWriter.nonLockingRedisCacheWriter(Objects.requireNonNull(redisTemplate.getConnectionFactory()));
    }
    @Bean
    CacheManager cacheManager(RedisCacheWriter writer) {
        RedisSerializer<String> redisSerializer = new StringRedisSerializer();
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        Map<String, RedisCacheConfiguration> configurationMap = new HashMap<>();
        // 配置序列化（解决乱码的问题）
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()
                .entryTtl(Duration.ofHours(1))//time
                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer))
                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(jackson2JsonRedisSerializer))
                .disableCachingNullValues();
        //此处可以自定义缓存空间的缓存的过期时间，可以根据自己实际情况进行设置，也可以不设置，用统一过期时间
        configurationMap.put("test-controller", config.entryTtl(Duration.ofSeconds(200)));
        //解决查询缓存转换异常的问题
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(om);
        return RedisCacheManager.builder(writer)
                .initialCacheNames(configurationMap.keySet())
                .withInitialCacheConfigurations(configurationMap)
                //其他缓存空间缓存过期时间为500S
                .cacheDefaults(config.entryTtl(Duration.ofSeconds(500)))
                .build();
    }
}