public static void Show(int i, string key, TimeSpan timeout)
{
using (var client = new ConnectionHelper().Conn())
{
bool isLocked = client.Add <string>("DataLock:" + key, key, timeout);
if (isLocked)
{
try
{
//库存数量
var inventory = client.Get <int>("inventoryNum");
if (inventory > 0)
{
//库存-1
client.Set <int>("inventoryNum", inventory - 1);
//订单+1
var orderNum = client.Incr("orderNum");
inventory = client.Get <int>("inventoryNum");
Console.WriteLine($"{i}抢购成功*****线程id：{ Thread.CurrentThread.ManagedThreadId.ToString("00")},库存：{inventory},订单数量：{orderNum}");
}
else
{
Console.WriteLine($"{i}抢购失败: 库存为零");
}
}
catch
{
throw;
}
finally
{
client.Remove("DataLock:" + key);
}
}
else
{
Console.WriteLine($"{i}抢购失败: 没有拿到锁");
}
}
}
