redis配置修改

package com.jt.blog.config;

import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.cache.annotation.CachingConfigurerSupport;
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.connection.RedisConnectionFactory;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.lang.reflect.Method;
import java.time.Duration;



@Configuration
public class RedisConfig extends CachingConfigurerSupport {
    // 用目标的包名target，方法名method，类名params自动生成一个自定义的key
    @Override
    @Bean
    public KeyGenerator keyGenerator(){
        return new KeyGenerator() {
            @Override
            public Object generate(Object target, Method method, Object... params) {
                StringBuilder stringBuilder = new StringBuilder();
                
                //加入类全名
                stringBuilder.append(target.getClass().getName());
                //分隔符
                stringBuilder.append(":");
                //方法名
                stringBuilder.append(method.getName());
                //分隔符
                stringBuilder.append(":");
                //对象名，将对象名以“+”进行拼接
                for(Object param:params){
                    stringBuilder.append(param);
                    stringBuilder.append("+");
                }
                return stringBuilder.toString();
            }
        };
    }

    //设置CacheManager缓存规则
    @Bean
    public CacheManager cacheManager(RedisConnectionFactory connectionFactory){
        RedisCacheConfiguration configuration =
                RedisCacheConfiguration.defaultCacheConfig();

        configuration.entryTtl(Duration.ofSeconds(60))

        //key的序列化，使用StringRedisSerializer序列化
        .serializeKeysWith(
                RedisSerializationContext.SerializationPair.
                        fromSerializer(new StringRedisSerializer()) )
        //值的序列化，使用Jackson2JsonRedisSerializer序列化
        .serializevaluesWith(
                RedisSerializationContext.SerializationPair.fromSerializer(
                 new Jackson2JsonRedisSerializer