package com.boying.util;

import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.ibatis.jdbc.Null;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.io.IOException;

/**
 * @author kdq
 * @version 1.0.0
 * @ClassName RedisJsonUtil.java
 * @Description TODO
 * @createTime 2024年03月18日 15:20:00
 */
@Component
public class RedisJsonUtil {
    @Resource
    private StringRedisTemplate stringRedisTemplate;

    private final ObjectMapper objectMapper = new ObjectMapper();

    public <T> void set(String key, T value) throws IOException {
        String jsonValue = objectMapper.writeValueAsString(value);
        stringRedisTemplate.opsForValue().set(key, jsonValue);
    }

    public <T> T get(String key, Class<T> type) throws IOException {
        String jsonValue = stringRedisTemplate.opsForValue().get(key);
        return jsonValue == null ? null : objectMapper.readValue(jsonValue, type);
    }
    public void del(String key)  {
        stringRedisTemplate.delete(key);
    }
}