商品信息在redis中使用Hash结构进行缓存

<dependency>
    <groupId>redis.clients</groupId>
    <artifactId>jedis</artifactId>
    <version>3.6.0</version>
</dependency>

import redis.clients.jedis.Jedis;

public class RedisProductCache {
    private final Jedis jedis;

    public RedisProductCache(String host, int port) {
        jedis = new Jedis(host, port);
    }

    // 缓存商品信息到Redis的Hash中
    public void cacheProduct(String id, String name, double price, int库存) {
        String hashKey = "product:" + id;
        jedis.hset(hashKey, "name", name);
        jedis.hset(hashKey, "price", String.valueOf(price));
        jedis.hset(hashKey, "inventory", String.valueOf(库存));
    }

    // 从Redis的Hash中获取商品信息
    public String getProductDetails(String id) {
        String hashKey = "product:" + id;
        String name = jedis.hget(hashKey, "name");
        String price = jedis.hget(hashKey, "price");
        String inventory = jedis.hget(hashKey, "inventory");

        return "Name: " + name + ", Price: " + price + ", Inventory: " + inventory;
    }

    // 关闭连接
    public void close() {
        jedis.close();
    }

    public static void main(String[] args) {
        RedisProductCache redisProductCache = new RedisProductCache("localhost", 6379);

        // 缓存商品信息
        redisProductCache.cacheProduct("1001", "智能手环", 299.99, 100);

        // 从Redis获取商品信息
        String productDetails = redisProductCache.getProductDetails("1001");
        System.out.println(productDetails);

        // 关闭Redis连接
        redisProductCache.close();
    }
}

product:1001 => {
  "name": "智能手环",
  "price": "299.99",
  "inventory": "100"
}