package com.example.caseData.utils;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Component;

@Component
public class RedisUtils {
    private final StringRedisTemplate redisTemplate;

    @Autowired
    public RedisUtils(StringRedisTemplate redisTemplate) {
        this.redisTemplate = redisTemplate;
    }

    /**
     * 设置字符串值
     */
    public void set(String key, String value) {
        redisTemplate.opsForValue().set(key, value);
    }

    /**
     * 获取字符串值
     */
    public String get(String key) {
        return redisTemplate.opsForValue().get(key);
    }

    /**
     * 删除键
     */
    public void delete(String key) {
        redisTemplate.delete(key);
    }

    /**
     * 判断 key 是否存在
     */
    public boolean hasKey(String key) {
        return Boolean.TRUE.equals(redisTemplate.hasKey(key));
    }
}