Spring缓存指定Redis做为缓存中间件Demo笔记

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.stereotype.Component;
 
@Component
public class CacheService {
 
    @Autowired
    private StringRedisTemplate redisTemplate;
 
    public void setValueWithExpireTime(String key, String value, long timeout) {
        ValueOperations<String, String> opsForValue = redisTemplate.opsForValue();
        opsForValue.set(key, value, timeout, TimeUnit.SECONDS);
    }
 
    public String getValue(String key) {
        ValueOperations<String, String> opsForValue = redisTemplate.opsForValue();
        return opsForValue.get(key);
    }
}

这段代码演示了如何在Spring应用中使用StringRedisTemplate来设置带有过期时间的缓存值以及如何获取缓存值。setValueWithExpireTime方法接受键、值和超时时长，并使用StringRedisTemplate的opsForValue方法设置缓存。getValue方法用于获取与指定键相关联的缓存值。