标签:min user phone LLC var date product 读取 red
//1.获取秒杀商品信息的接口
public ProductInfo GetProduct(int productId)
{
ProductInfo productInfo = new ProductInfo();
productInfo.PId = 1;
productInfo.PName = "Iphone11 Pro Max";
productInfo.PImg = @"";
productInfo.SalePrice = 12999;
productInfo.KillPrice = 9999;
productInfo.KillBeginTime = DateTime.Now.AddMinutes(-30);//开始时间减30分钟
productInfo.KillEndTime = DateTime.Now.AddMinutes(1);
productInfo.KillCount = 150;
//把秒杀的库存写入Redis里
SetRedisValue("KillCount" + productInfo.PId, "150");
return productInfo;
}
//2.秒杀下单
public int KillAddOrder(OrderInfo info)
{
//res的返回值表示
//1.下单成功
//2.库存不足
//3.三分钟内只能点一次
int res = 0;
//同一个用户在规定时间内只能点一次
var UserKillTime = GetRedisValue("UserId" + info.UserId);
if (!string.IsNullOrEmpty(UserKillTime))
{
//此处表示用户不是第一次下单
DateTime dateTime = Convert.ToDateTime(UserKillTime);
var tmpValue = DateTime.Now - dateTime;
if (tmpValue.TotalMilliseconds < 3)
{
//用户三分钟内只能点一次
res = 3;
return res;
}
SetRedisValue("UserId" + info.UserId, DateTime.Now.ToString());
}
else
{
//此处表示用户是第一次点击
SetRedisValue("UserId" + info.UserId, DateTime.Now.ToString());
//判断商品库存够不够
var count = Convert.ToInt32(GetRedisValue("KillCount-" + info.PId));
if (count > 0)
{
count = count - 1;
SetRedisValue("KillCount-" + info.PId, count.ToString());
}
else
{
res = 2;
return res;
}
}
return res;
}
/// <summary>
/// 写入redis的值
/// </summary>
/// <param name="key"></param>
/// <param name="value"></param>
private void SetRedisValue(string key, string value)
{
RedisClient redisClient = new RedisClient("127.0.0.1");
redisClient.Set<string>(key, value);
}
/// <summary>
/// 读取redis的值
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
private string GetRedisValue(string key)
{
RedisClient redisClient = new RedisClient("127.0.0.1");
return redisClient.Get<string>(key);
}
}
标签:min user phone LLC var date product 读取 red
原文地址:https://www.cnblogs.com/gc1229/p/13197242.html