这是由于序列化的问题
需要这样做:
1.先建一个包 :
package com.demo.xianghuan.configuration;
2.建一个RestConfiguration类 (这个是配置 以后好多都是的这个)
3. 内容如下
package com.demo.xianghuan.configuration;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
@Configuration
public class RestConfiguration {
@Autowired
private RedisTemplate redisTemplate;
@Bean
public RedisTemplate redisTemplateInit() {
// key序列化
redisTemplate.setKeySerializer(new StringRedisSerializer());
//val实例化
redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());
return redisTemplate;
}
}