/// <summary>
/// 获取红包配置
/// </summary>
/// <returns></returns>
static RedPacketConfig GetRedPacketConfig()
{
//总金额
decimal amount = 300 * 300 + 100;
//100 * 81 + 17 有3.32 小于最小值3.33
//总红包数
int packageCount = 250;
//上限
decimal ceiling = 20;
//下限
decimal floor = 30;
//均分红包
decimal avgPkg = Math.Round(amount / packageCount, 2);
//最大红包
decimal maxPkg = Math.Round(avgPkg * (100 + ceiling) / 100, 2);
//最小红包
decimal minPkg = Math.Round(avgPkg * (100 - floor) / 100, 2);
RedPacketConfig config = new RedPacketConfig()
{
Amount = amount,
PacketCount = packageCount,
CurrentAmount = currentAmount,
CurrentPackageCount = currentPackageCount,
Ceiling = ceiling,
Floor = floor,
StartTime = DateTime.Now.AddMinutes(-10),
EndTime = DateTime.Now.AddMinutes(10),
RedPacketIdentity = redPacketIdentity
};
return(config);
}
/// <summary>
/// 多线程下运行
/// </summary>
static void RunWithMultiThread()
{
Func <RedPacketConfig> func = new Func <RedPacketConfig>(GetRedPacketConfig);
RedPacketConfig config = null;
lock (configRWLock)
{
config = func.Invoke();
}
//尝试提前初始化红包池
RedPacketProvider.TryInitPackagePool(func);
for (int i = 0; i < config.PacketCount + 10; i++)
{
Thread thread = new Thread(() =>
{
lock (configRWLock)
{
var money = RedPacketProvider.GetOneRedPacket(func);
System.Console.WriteLine(money + "");
//模拟红包池意外清空的情况
if (i == 100 || i == 60 || i == 210)
{
RedPacketProvider.Reset();
}
//模拟活动变更的情况
if (i == 190 || i == 105)
{
redPacketIdentity = Guid.NewGuid().ToString();
}
//模拟数据库 更新当前已发的红包总金额与总数
currentAmount += money;
currentPackageCount++;
}
});
thread.Start();
}
System.Console.WriteLine("正在统计总金额...");
//暂停三秒 保证已经统计了所有金额
Thread.Sleep(3000);
System.Console.WriteLine("Sum:{0},Count:{1}", currentAmount, currentPackageCount);
System.Console.ReadKey();
}
private void GetOneRedPacketTest()
{
Func <RedPacketConfig> func = new Func <RedPacketConfig>(GetRedPacketConfig);
RedPacketConfig config = null;
lock (configRWLock)
{
config = func.Invoke();
}
int errorCount = 0;
List <decimal> errorList = new List <decimal>();
//均分红包
decimal avgPkg = Math.Round(config.Amount / config.PacketCount, 2);
//最大红包
decimal maxPkg = Math.Round(avgPkg * (100 + config.Ceiling) / 100, 2);
//最小红包
decimal minPkg = Math.Round(avgPkg * (100 - config.Floor) / 100, 2);
while (true)
{
lock (configRWLock)
{
var money = RedPacketProvider.GetOneRedPacket(func);
if (money <= 0)
{
break;
}
if (money > maxPkg || money < minPkg)
{
errorList.Add(money);
errorCount++;
}
//模拟数据库 更新当前已发的红包总金额与总数
currentAmount += money;
currentPackageCount++;
}
}
config.Amount.ShouldBe(currentAmount);
errorCount.ShouldBe(0);
}
/// <summary>
/// 获取红包配置
/// </summary>
/// <returns></returns>
static RedPacketConfig GetRedPacketConfig()
{
//总金额
decimal amount = 300 * 300 + 100;
//100 * 81 + 17 有3.32 小于最小值3.33
//总红包数
int packageCount = 250;
//上限
decimal ceiling = 20;
//下限
decimal floor = 30;
//模拟活动进行时配置更改
if (currentPackageCount >= 200)
{
amount += 200;
packageCount += 6;
ceiling = 5;
//floor = 0;
}
RedPacketConfig config = new RedPacketConfig()
{
Amount = amount,
PacketCount = packageCount,
CurrentAmount = currentAmount,
CurrentPackageCount = currentPackageCount,
Ceiling = ceiling,
Floor = floor,
StartTime = DateTime.Now.AddMinutes(-10),
EndTime = DateTime.Now.AddMinutes(10),
RedPacketIdentity = redPacketIdentity
};
return(config);
}
