编写一个自己的 RedisTemplate

package com.lzjtu.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnSingleCandidate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * Created by DELL on 2021/3/17
 */

@Configuration
public class RedisConfig {
    
    
	// 编写自己的redisTemplate
	@Bean
	@SuppressWarnings("all")
	public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory factory) {
    
    
		// 我们为了自己开发方便，一般直接使用<String, Object>
		RedisTemplate<String, Object> template = new RedisTemplate();
		template.setConnectionFactory(factory);

		// Json序列化配置
		Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer =
				new Jackson2JsonRedisSerializer<Object>(Object.class);
		ObjectMapper om = new ObjectMapper();
		om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
		om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
		jackson2JsonRedisSerializer.setObjectMapper(om);

		// String 的序列化
		StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();

		// 配置具体的序列化方式
		// key 采用String的序列化方式
		template.setKeySerializer(stringRedisSerializer);
		// hash 的key也采用String的序列化方式
		template.setHashKeySerializer(stringRedisSerializer);
		// value序列化的方式采用jackson
		template.setValueSerializer(jackson2JsonRedisSerializer);
		// hash的value序列化方式采用Jackson
		template.setHashValueSerializer(jackson2JsonRedisSerializer);
		template.afterPropertiesSet();

		return template;
	}

}