SpringBoot使用注解方式整合Redis

<dependency>    
    <groupId>org.springframework.boot</groupId>    
    <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>fastjson</artifactId>
    <version>1.2.62</version>
</dependency>

# Redis数据库索引（默认为0）  
spring.redis.database=0  
# Redis服务器地址  
spring.redis.host=localhost
# Redis服务器连接端口  
spring.redis.port=6379  
# Redis服务器连接密码（默认为空）  
spring.redis.password=123456
# 连接池最大连接数（使用负值表示没有限制）  
spring.redis.pool.max-active=200  
# 连接池最大阻塞等待时间（使用负值表示没有限制）  
spring.redis.pool.max-wait=-1  
# 连接池中的最大空闲连接  
spring.redis.pool.max-idle=10 
# 连接池中的最小空闲连接  
spring.redis.pool.min-idle=0  
# 连接超时时间（毫秒）  
spring.redis.timeout=1000ms

@Configuration
@ConditionalOnClass(RedisOperations.class)      //系统中有RedisOperations类时
@EnableConfigurationProperties(RedisProperties.class)  //启动RedisProperties这个类
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport {
    @Autowired
    RedisTemplate redisTemplate;
    // 配置缓存管理器
    @Bean
    public RedisCacheManager cacheManager(RedisConnectionFactory connectionFactory) {
        LettuceConnectionFactory jedisConnectionFactory = (LettuceConnectionFactory) redisTemplate.getConnectionFactory();
        jedisConnectionFactory.setDatabase(2);      //指定dbindex
        redisTemplate.setConnectionFactory(jedisConnectionFactory);
        jedisConnectionFactory.resetConnection();

        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig()
                .entryTtl(Duration.ofSeconds(60*20)) // 20分钟缓存失效
                // 设置key的序列化方式
//                .entryTtl(Duration.ofSeconds(10))
                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()))
                // 设置value的序列化方式
                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new FastJsonRedisSerializer(Object.class)))
                // 不缓存null值
                .disableCachingNullValues();
        RedisCacheManager redisCacheManager = RedisCacheManager.builder(connectionFactory)
                .cacheDefaults(config)
                .transactionAware()
                .build();
        return redisCacheManager;
    }
}

package com.FireService.config;

import java.nio.charset.Charset;

import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.SerializationException;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.parser.ParserConfig;
import com.alibaba.fastjson.serializer.SerializerFeature;

public class FastJsonRedisSerializer<T> implements RedisSerializer<T> {

    public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8");

    private Class<T> clazz;
    static {
        ParserConfig.getGlobalInstance().addAccept("com.FireService");
    }
    public FastJsonRedisSerializer(Class<T> clazz) {
        super();
        this.clazz = clazz;
    }

    @Override
    public byte[] serialize(T t) throws SerializationException {
        if (null == t) {
            return new byte[0];
        }
        return JSON.toJSONString(t, SerializerFeature.WriteClassName).getBytes(DEFAULT_CHARSET);
    }

    @Override
    public T deserialize(byte[] bytes) throws SerializationException {
        if (null == bytes || bytes.length <= 0) {
            return null;
        }
        String str = new String(bytes, DEFAULT_CHARSET);
        return (T) JSON.parseObject(str, clazz);
    }

}

//自定义配置类配置keyGenerator
@Configuration
public class MyCacheConfig {
    @Bean("myKeyGenerator")
    public KeyGenerator keyGenerator(){
        return new KeyGenerator() {
            @Override
            public Object generate(Object target, Method method, Object... params) {
                return method.getName()+"["+ Arrays.asList(params).toString() +"]";
            }
        };
    }
}

@Cacheable(value = "RedisInfo", key = "#root.methodName+‘[‘+#account+‘]‘")
@ResponseBody
@RequestMapping("/RedisTest")
public Result findUserOrder(String account) throws Exception{
    if(account!=null) {
        List<Map<String, Object>> list=orderFindGoods.findUserOrder(account);
        return Results.successWithData(list, BaseEnums.SUCCESS.code(), BaseEnums.SUCCESS.desc());
    }else {
        return Results.failure();
    }
}

@CachePut(value="user",key = "#result.id")
    public User updateUser(User user){
        System.out.println("updateUser:"+user);
        userMapper.updateUser(user);
        return user;
}

@CacheEvict(value = "user",key = "#id")
    public void deleteUser(Integer id){
        System.out.println("deleteUser:"+id);
        userMapper.deleteUserById(id);
    }