StringRedisTemplate

package com.wsd;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializer;

@SpringBootApplication
public class SpringDataRedis {

    public static void main(String[] args) throws Exception{

        ConfigurableApplicationContext context = SpringApplication.run(SpringDataRedis.class, args);

        //ObjectMapper类是Jackson库的核心类之一，用于在Java对象和JSON数据之间进行序列化和反序列化。
        ObjectMapper mapper = new ObjectMapper();

        //key,value 都将以String的形式存入redis
        StringRedisTemplate stringRedisTemplate =  context.getBean(StringRedisTemplate.class);

        Person person1  = new Person("罗小白","罗小黑");
        //将对象转换为json字符串
        String json = mapper.writeValueAsString(person1);

        stringRedisTemplate.opsForValue().set("1",json);


        String person =  stringRedisTemplate.opsForValue().get("1");

        Person s = mapper.readValue(person,Person.class);

        System.out.println(s.getName() + ":" + s.getCat());
    }
}