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RSS订阅[asp.net core 1.1 供参考]SeckillPro.zip
描述：秒杀活动，模拟,架构：mvc+webapi+console+redis，netcore开发
static void Main(string[] args)
{
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
Console.OutputEncoding = Encoding.GetEncoding("GB2312");
try
{
Console.WriteLine("是否开启处理抢购队列（Y）：");
Console.ReadLine();
Console.WriteLine($"开启抢购任务监控中...");
var shopsKey = EnumHelper.EmDataKey.ShoppingHash.ToString();
while (true)
{
//匹配出QiangOrderEqueue_xxx格式的抢单队列keys
var matchKey = $"{EnumHelper.EmDataKey.QiangOrderEqueue.ToString()}_*";
var matches = _redis.MatchKeys(matchKey).Result;
var matchLen = matches.Count;
if (matchLen <= 0) { continue; }
//根据key获取对应的商品，并加载对应的商品抢单任务处理
foreach (var item in matches)
{
var itemArr = item.Split('_');
if (itemArr.Length <= 1) { continue; }
var shopId = itemArr[1];
var shop = _redis.GetHashField<MoShopping>(shopsKey, shopId).Result;
if (shop == null || _dicTask.ContainsKey(shop.Id)) { continue; }
//加入排重任务dic
_dicTask.Add(shop.Id, shop.Id);
Task.Factory.StartNew(async b =>
{
var equeueShop = b as MoShopping;
var equeueKey = $"{EnumHelper.EmDataKey.QiangOrderEqueue.ToString()}_{equeueShop.Id}";
var sbTaskLog = new StringBuilder(string.Empty);
try
{
sbTaskLog.AppendFormat("商品【{0}-{1}】，开启抢购队列处理；", equeueShop.Name, equeueShop.Id);
Console.WriteLine(sbTaskLog);
//监控队列key是否存在
while (await _redis.KeyExists(equeueKey))
{
//获取队列
var qiangOrder = await _redis.GetListAndPop<MoOrderInfo>(equeueKey);
if (qiangOrder == null) { continue; }
//获取真实剩余库存
var equShop = await _redis.GetHashField<MoShopping>(shopsKey, equeueShop.Id.ToString());
if (equShop == null) { continue; }
var sbLog = new StringBuilder(string.Empty);
Stopwatch watch = new Stopwatch();
watch.Start();
try
{
#region 逻辑处理库存
sbLog.AppendFormat("用户：{0}抢购商品【{1}-{4}】当前库存：{2}件，抢购数：{3}件，",
qiangOrder.UserId,
equShop.Name,
equShop.MaxNum,
qiangOrder.Num,
equShop.Id);
if (equShop.MaxNum <= 0)
{
//无库存，直接抢购失败
qiangOrder.OrderStatus = (int)EnumHelper.EmOrderStatus.抢购失败;
}
else if (equShop.MaxNum < qiangOrder.Num)
{
//剩余库存小于抢购数量
qiangOrder.OrderStatus = (int)EnumHelper.EmOrderStatus.抢购失败;
}
else if (equShop.MaxGouNum < qiangOrder.Num)
{
//最大允许抢购数量小于抢购申请数量
qiangOrder.OrderStatus = (int)EnumHelper.EmOrderStatus.抢购失败;
}
else
{
//库存充足
equShop.MaxNum = equShop.MaxNum - qiangOrder.Num;
//扣除当前抢购数量后，更新库存
var isOk = await _redis.SetOrUpdateHashsField<MoShopping>(shopsKey, equShop.Id.ToString(), equShop, false) > 0;
if (!isOk)
{
2020-06-02
Amaze后台框架模版搭建
相比国外框架,Amaze UI 关注中文排版,根据用户代理调整字体,实现更好的中文排版效果;兼顾国内主流浏览器及 App 内置浏览器兼容支持。 mobile 轻量级,高性能
2015-12-22
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