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修改了IOC容器的实现,使其更加轻量
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58
Library/Utils/MsgIdHelper.cs
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58
Library/Utils/MsgIdHelper.cs
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace Serein.Library.Utils
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{
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/// <summary>
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/// 消息ID生成器
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/// </summary>
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public class MsgIdHelper
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{
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private static readonly long _epoch = new DateTime(2023, 1, 1).Ticks; // 自定义起始时间
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private static long _lastTimestamp = -1L; // 上一次生成 ID 的时间戳
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private static long _sequence = 0L; // 序列号
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/// <summary>
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/// 获取新的ID
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/// </summary>
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public static long NewId => GenerateId();
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/// <summary>
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/// 生成消息ID
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/// </summary>
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/// <returns></returns>
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public static long GenerateId()
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{
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long timestamp = DateTime.UtcNow.Ticks;
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// 如果时间戳是一样的,递增序列号
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if (timestamp == _lastTimestamp)
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{
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// 使用原子操作增加序列号
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_sequence = Interlocked.Increment(ref _sequence);
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if (_sequence > 999999) // 序列号最大值,6位
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{
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// 等待下一毫秒
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while (timestamp <= _lastTimestamp)
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{
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timestamp = DateTime.UtcNow.Ticks;
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}
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}
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}
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else
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{
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_sequence = 0; // 重置序列号
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}
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_lastTimestamp = timestamp;
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// 生成 ID:时间戳和序列号拼接
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return (timestamp - _epoch) * 1000 + _sequence; // 返回 ID
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}
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}
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}
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