/// <summary>
/// 根据产品ID获取Tag列表
/// </summary>
/// <param name="productTag"></param>
/// <returns></returns>
public static List <Tag> GetTagsByProduct(int productID, bool cacheable)
{
List <Tag> tags = null;
string tagsCacheKey = CacheKeyManager.GetTagProductKey(productID);
if (HttpContext.Current != null)
{
tags = HttpContext.Current.Items[tagsCacheKey] as List <Tag>;
}
if (tags != null)
{
return(tags);
}
if (cacheable)
{
tags = HHCache.Instance.Get(tagsCacheKey) as List <Tag>;
}
if (tags == null)
{
tags = CommonDataProvider.Instance.GetTagsByProduct(productID);
//缓存
if (cacheable)
{
HHCache.Instance.Insert(tagsCacheKey, tags, 1);
}
if (HttpContext.Current != null)
{
HttpContext.Current.Items[tagsCacheKey] = tags;
}
}
return(tags);
}
/// <summary>
/// 更新产品Tag(tagList使用;分隔)
/// </summary>
/// <param name="productID"></param>
/// <param name="tagList"></param>
public static void UpdateTagProduct(int productID, string tagList)
{
CommonDataProvider.Instance.UpdateTagProduct(productID, tagList);
HHCache.Instance.Remove(CacheKeyManager.GetTagProductKey(productID));
HHCache.Instance.Remove(CacheKeyManager.GetTagKey());
}
