public string AddCar(int goodId, int goodNum)
{
ProductInfo info = _goodsList.GetProductinfo(goodId);
if (info.ProductAmount < goodNum)
{
return("库存不足");
}
info.ProductAmount = goodNum;
List <ProductInfo> list = redis.Get <List <ProductInfo> >("shopcar");
//商品购物车是不是空的
if (list != null)
{
var m = list.Where(x => x.ProductId == goodId).FirstOrDefault();
if (m != null)
{
return("已加入该商品");
}
else
{
list.Add(info);
//return "加入成功";
}
}
else
{
list = new List <ProductInfo>();
list.Add(info);
}
redis.Set("shopcar", list);
redis.Expire("shopcar", 3600);
return("加入成功");
}
private void Refresh(string key, DateTimeOffset?absExpr, TimeSpan?sldExpr)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
// Note Refresh has no effect if there is just an absolute expiration (or neither).
TimeSpan?expr = null;
if (sldExpr.HasValue)
{
if (absExpr.HasValue)
{
var relExpr = absExpr.Value - DateTimeOffset.Now;
expr = relExpr <= sldExpr.Value ? relExpr : sldExpr;
}
else
{
expr = sldExpr;
}
_redisClient.Expire(key, expr ?? TimeSpan.Zero);
// TODO: Error handling
}
}