整理代码格式
This commit is contained in:
Falcon
parent
6092239b29
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@ -1,4 +1,5 @@
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using Falcon.SugarApi.TimedBackgroundTask;
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using System;
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namespace Falcon.SugarApi.Test
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@ -12,10 +13,7 @@ namespace Falcon.SugarApi.Test
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var cron = new CronExpression("0 30 3 * * 1-5"); // 工作日凌晨3:30:00
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var nextTime = cron.GetNextOccurrence(now20250213102512);
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if(nextTime == null) {
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Assert.Fail("nextTime is null!");
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return;
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}
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Assert.IsTrue(DateToString(nextTime) == "20250214033000");
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cron = new CronExpression("");//下一秒触发
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nextTime = cron.GetNextOccurrence(now20250213102512);
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@ -1,242 +1,245 @@
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using Falcon.SugarApi;
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using Falcon.SugarApi.TimedBackgroundTask;
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using System;
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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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/// <summary>
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/// Cron表达式
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/// </summary>
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public class CronExpression
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namespace Falcon.SugarApi.TimedBackgroundTask
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{
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/// <summary>
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/// 可选的秒范围枚举
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/// </summary>
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private List<int> Seconds { get; }
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/// <summary>
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/// 可选的分范围枚举
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/// </summary>
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private List<int> Minutes { get; }
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/// <summary>
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/// 可选的时范围枚举
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/// </summary>
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private List<int> Hours { get; }
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/// <summary>
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/// 可选的天范围枚举
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/// </summary>
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private List<int> DaysOfMonth { get; }
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/// <summary>
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/// 可选的月范围枚举
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/// </summary>
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private List<int> Months { get; }
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/// <summary>
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/// 可选的星期范围枚举
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/// </summary>
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private List<int> DaysOfWeek { get; }
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/// <summary>
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/// 可选的年范围枚举
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/// </summary>
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private List<int> Years { get; set; }
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/// <summary>
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/// 通过提供cron表达式构造对象
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/// <para>表达式以空格分隔，按顺序每一段分别为“秒,分,时,日,月,星期,年”</para>
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/// <para>取值范围：秒分时取值范围0-59，日取值范围1-31，月取值范围1-12，星期取值范围0-6，年取值范围两年内</para>
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/// <para>取值*表示可以匹配任意值，比如*表示每一秒，* *表示所有分秒。</para>
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/// <para>取值-表示取值范围，比如1-5 3匹配3分1秒到3分5秒所有时间。</para>
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/// <para>取值/表示周期取值，比如0/10表示0秒开始每10秒匹配一次。</para>
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/// <para>取值可以用，分割，表示取值枚举，比如0 10,20,30 5 表示匹配每天早上5点10分、5点20分和5点30分。</para>
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/// <para>表达式右侧的*可以省略。比如0 15 4表示每天上午4点15分，和0 15 4 * * * *相同</para>
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/// <para>星期取值范围0-6，0表示星期天，1表示星期一，以此类推。</para>
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/// <para>日取值范围1-31，不用考虑大月小月和二月的特殊情况，方法会自动处理这些特殊日期</para>
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/// <para>关于日期和星期匹配问题。一般的cron标准中日期和星期只要满足一个即可匹配，但本方法不同，我认为既然其他所有部分(比如分和秒)都是必须同时满足，那么日期和星期也是必须同时满足。</para>
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/// <para>目前方法不支持*-/,分隔符的混合使用，等待后续改进</para>
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/// Cron表达式
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/// </summary>
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/// <param name="cronExpression">cron表达式</param>
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/// <exception cref="ArgumentException"></exception>
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public CronExpression(string cronExpression) {
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var fields = cronExpression.Split(new[] { ' ' },StringSplitOptions.RemoveEmptyEntries);
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public class CronExpression
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{
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/// <summary>
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/// 可选的秒范围枚举
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/// </summary>
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private List<int> Seconds { get; }
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/// <summary>
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/// 可选的分范围枚举
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/// </summary>
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private List<int> Minutes { get; }
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/// <summary>
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/// 可选的时范围枚举
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/// </summary>
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private List<int> Hours { get; }
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/// <summary>
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/// 可选的天范围枚举
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/// </summary>
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private List<int> DaysOfMonth { get; }
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/// <summary>
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/// 可选的月范围枚举
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/// </summary>
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private List<int> Months { get; }
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/// <summary>
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/// 可选的星期范围枚举
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/// </summary>
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private List<int> DaysOfWeek { get; }
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/// <summary>
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/// 可选的年范围枚举
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/// </summary>
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private List<int> Years { get; set; }
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Seconds = fields.Length > 0 ? GetRange(fields[0],0,59) : Enumerable.Range(0,60).ToList();
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Minutes = fields.Length > 1 ? GetRange(fields[1],0,59) : Enumerable.Range(0,60).ToList();
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Hours = fields.Length > 2 ? GetRange(fields[2],0,23) : Enumerable.Range(0,24).ToList();
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DaysOfMonth = fields.Length > 3 ? GetRange(fields[3],1,31) : Enumerable.Range(1,31).ToList();
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Months = fields.Length > 4 ? GetRange(fields[4],1,12) : Enumerable.Range(1,12).ToList();
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DaysOfWeek = fields.Length > 5 ? GetRange(fields[5],0,6) : Enumerable.Range(0,7).ToList();
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var nowYear = DateTime.Now.Year;
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Years = fields.Length > 6 ? GetRange(fields[6],nowYear,nowYear + 2) : Enumerable.Range(nowYear,2).ToList();
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}
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/// <summary>
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/// 通过提供cron表达式构造对象
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/// <para>表达式以空格分隔，按顺序每一段分别为“秒,分,时,日,月,星期,年”</para>
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/// <para>取值范围：秒分时取值范围0-59，日取值范围1-31，月取值范围1-12，星期取值范围0-6，年取值范围两年内</para>
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/// <para>取值*表示可以匹配任意值，比如*表示每一秒，* *表示所有分秒。</para>
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/// <para>取值-表示取值范围，比如1-5 3匹配3分1秒到3分5秒所有时间。</para>
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/// <para>取值/表示周期取值，比如0/10表示0秒开始每10秒匹配一次。</para>
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/// <para>取值可以用，分割，表示取值枚举，比如0 10,20,30 5 表示匹配每天早上5点10分、5点20分和5点30分。</para>
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/// <para>表达式右侧的*可以省略。比如0 15 4表示每天上午4点15分，和0 15 4 * * * *相同</para>
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/// <para>星期取值范围0-6，0表示星期天，1表示星期一，以此类推。</para>
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/// <para>日取值范围1-31，不用考虑大月小月和二月的特殊情况，方法会自动处理这些特殊日期</para>
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/// <para>关于日期和星期匹配问题。一般的cron标准中日期和星期只要满足一个即可匹配，但本方法不同，我认为既然其他所有部分(比如分和秒)都是必须同时满足，那么日期和星期也是必须同时满足。</para>
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/// <para>目前方法不支持*-/,分隔符的混合使用，等待后续改进</para>
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/// </summary>
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/// <param name="cronExpression">cron表达式</param>
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/// <exception cref="ArgumentException"></exception>
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public CronExpression(string cronExpression) {
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var fields = cronExpression.Split(new[] { ' ' },StringSplitOptions.RemoveEmptyEntries);
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/// <summary>
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/// 通过提供的时间获取下一次时间
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/// </summary>
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/// <param name="afterTime">上一次的时间</param>
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/// <returns>下一次到达时间</returns>
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public DateTime GetNextOccurrence(DateTime afterTime) {
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var ct = new CronResult(afterTime.AddSeconds(1));
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while(!ct.IsAllAdjust) {
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if(!ct.IsYearAdjust) {
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AdjustYear(ct);
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}
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if(!ct.IsMonthAdjust) {
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AdjustMonth(ct);
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Seconds = fields.Length > 0 ? GetRange(fields[0],0,59) : Enumerable.Range(0,60).ToList();
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Minutes = fields.Length > 1 ? GetRange(fields[1],0,59) : Enumerable.Range(0,60).ToList();
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Hours = fields.Length > 2 ? GetRange(fields[2],0,23) : Enumerable.Range(0,24).ToList();
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DaysOfMonth = fields.Length > 3 ? GetRange(fields[3],1,31) : Enumerable.Range(1,31).ToList();
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Months = fields.Length > 4 ? GetRange(fields[4],1,12) : Enumerable.Range(1,12).ToList();
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DaysOfWeek = fields.Length > 5 ? GetRange(fields[5],0,6) : Enumerable.Range(0,7).ToList();
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var nowYear = DateTime.Now.Year;
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Years = fields.Length > 6 ? GetRange(fields[6],nowYear,nowYear + 2) : Enumerable.Range(nowYear,2).ToList();
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}
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/// <summary>
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/// 通过提供的时间获取下一次时间
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/// </summary>
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/// <param name="afterTime">上一次的时间</param>
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/// <returns>下一次到达时间</returns>
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public DateTime GetNextOccurrence(DateTime afterTime) {
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var ct = new CronResult(afterTime.AddSeconds(1));
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while(!ct.IsAllAdjust) {
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if(!ct.IsYearAdjust) {
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continue;
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AdjustYear(ct);
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}
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if(!ct.IsMonthAdjust) {
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AdjustMonth(ct);
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if(!ct.IsYearAdjust) {
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continue;
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}
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}
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if(!ct.IsDayAdjust) {
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AdjustDay(ct);
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if(!ct.IsYearAdjust || !ct.IsMonthAdjust || !ct.IsDayAdjust) {
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continue;
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}
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}
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if(!ct.IsHourAdjust) {
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AdjustHour(ct);
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if(!ct.IsYearAdjust || !ct.IsMonthAdjust || !ct.IsDayAdjust) {
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continue;
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}
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}
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if(!ct.IsMinuteAdjust) {
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AdjustMinute(ct);
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if(!ct.IsYearAdjust || !ct.IsMonthAdjust || !ct.IsDayAdjust || !ct.IsHourAdjust) {
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continue;
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}
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}
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if(!ct.IsSecondAdjust) {
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AdjustSecond(ct);
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}
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}
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if(!ct.IsDayAdjust) {
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AdjustDay(ct);
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if(!ct.IsYearAdjust || !ct.IsMonthAdjust || !ct.IsDayAdjust) {
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continue;
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return ct.AdjustTime;
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}
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private void AdjustYear(CronResult date) {
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var next = Years.Where(a => a >= date.AdjustTime.Year);
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if(next.Any()) {
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date.SetAdjustTime(date.AdjustTime.AddYears(next.First() - date.AdjustTime.Year),TimePartEnum.Year);
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date.IsYearAdjust = true;
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}
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else {
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date.IsNullVal = true;
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date.IsYearAdjust = true;
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date.IsMonthAdjust = true;
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date.IsDayAdjust = true;
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date.IsHourAdjust = true;
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date.IsMinuteAdjust = true;
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date.IsSecondAdjust = true;
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date.AdjustTime = DateTime.MaxValue;
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}
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}
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private void AdjustMonth(CronResult date) {
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var next = Months.Where(m => m >= date.AdjustTime.Month);
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if(next.Any()) {
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date.SetAdjustTime(date.AdjustTime.AddMonths(next.First() - date.AdjustTime.Month),TimePartEnum.YearMonth);
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date.IsMonthAdjust = true;
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}
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else {
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date.SetAdjustTime(date.AdjustTime.AddYears(1),TimePartEnum.YearMonth);
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}
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}
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private void AdjustDay(CronResult date) {
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var dt = date.AdjustTime;
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int year = dt.Year;
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int month = dt.Month;
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int day = dt.Day;
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int maxDayInMonth = DateTime.DaysInMonth(year,month);
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var next = DaysOfMonth.Where(a => a >= day && a <= maxDayInMonth && DaysOfWeek.Contains((int)dt.DayOfWeek));
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if(next.Any()) {
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date.SetAdjustTime(dt.AddDays(next.First() - day),TimePartEnum.YearDay);
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date.IsDayAdjust = true;
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return;
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}
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if(!DaysOfWeek.Contains((int)dt.DayOfWeek)) {
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date.SetAdjustTime(dt.AddDays(1),TimePartEnum.YearDay);
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return;
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}
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date.SetAdjustTime(dt.AddMonths(1),TimePartEnum.YearMonth);
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}
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private void AdjustHour(CronResult date) {
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var next = Hours.Where(m => m >= date.AdjustTime.Hour);
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if(next.Any()) {
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date.SetAdjustTime(date.AdjustTime.AddHours(next.First() - date.AdjustTime.Hour),TimePartEnum.YearHour);
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date.IsHourAdjust = true;
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return;
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}
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date.SetAdjustTime(date.AdjustTime.AddDays(1),TimePartEnum.YearHour);
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}
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private void AdjustMinute(CronResult date) {
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var next = Minutes.Where(m => m >= date.AdjustTime.Minute);
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if(next.Any()) {
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date.SetAdjustTime(date.AdjustTime.AddMinutes(next.First() - date.AdjustTime.Minute),TimePartEnum.YearMinute);
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date.IsMinuteAdjust = true;
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return;
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}
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date.SetAdjustTime(date.AdjustTime.AddHours(1),TimePartEnum.YearMinute);
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}
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private void AdjustSecond(CronResult date) {
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var next = Seconds.Where(m => m >= date.AdjustTime.Second);
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if(next.Any()) {
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date.SetAdjustTime(date.AdjustTime.AddSeconds(next.First() - date.AdjustTime.Second),TimePartEnum.YearSecond);
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date.IsSecondAdjust = true;
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return;
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}
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date.SetAdjustTime(date.AdjustTime.AddMinutes(1),TimePartEnum.YearSecond);
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}
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private static List<int> GetRange(string exp,int min,int max) {
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var charList = "0123456789*-/,".ToArray();
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var expChars = exp.ToCharArray().Distinct();
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var outRangeChars = expChars.Where(a => a.NotIn(charList)).ToArray();
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if(outRangeChars.Any()) {
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throw new ArgumentOutOfRangeException(nameof(exp),$"非法字符{new string(outRangeChars)} 在表达式 {exp} 中");
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}
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//if(exp.ToCharArray().Any(a => a.NotIn(charList))) {
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// throw new ArgumentOutOfRangeException(nameof(exp));
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//}
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var list = new List<int>();
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if(exp == "*") {
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return Enumerable.Range(min,max - min + 1).ToList();
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}
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if(int.TryParse(exp,out int iexp) && iexp.Between(min,max)) {
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list.Add(iexp);
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return list;
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}
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if(exp.Contains('-')) {
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var g = exp.Split('-',StringSplitOptions.RemoveEmptyEntries);
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var i = int.Parse(g[0]);
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var x = int.Parse(g[1]);
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i = Math.Max(i,min);
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x = Math.Min(x,max);
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while(i <= x) {
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list.Add(i++);
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}
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return list;
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}
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if(!ct.IsHourAdjust) {
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AdjustHour(ct);
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if(!ct.IsYearAdjust || !ct.IsMonthAdjust || !ct.IsDayAdjust) {
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continue;
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if(exp.Contains('/')) {
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var g = exp.Split('/',StringSplitOptions.RemoveEmptyEntries);
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var f = Math.Max(min,int.Parse(g[0]));
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var s = int.Parse(g[1]);
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while(f <= max) {
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list.Add(f);
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f += s;
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}
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return list;
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}
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if(!ct.IsMinuteAdjust) {
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AdjustMinute(ct);
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if(!ct.IsYearAdjust || !ct.IsMonthAdjust || !ct.IsDayAdjust || !ct.IsHourAdjust) {
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continue;
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if(exp.Contains(',')) {
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foreach(var ie in exp.Split(',')) {
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if(int.TryParse(ie,out int iei) && iei.Between(min,max)) {
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list.Add(iei);
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}
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else {
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throw new ArgumentException("给定的exp表达式错误，逗号分割的每一项都必须是数字",nameof(exp));
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}
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}
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return list;
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}
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if(!ct.IsSecondAdjust) {
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AdjustSecond(ct);
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}
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}
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return ct.AdjustTime;
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}
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private void AdjustYear(CronResult date) {
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var next = Years.Where(a => a >= date.AdjustTime.Year);
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if(next.Any()) {
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date.SetAdjustTime(date.AdjustTime.AddYears(next.First() - date.AdjustTime.Year),TimePartEnum.Year);
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date.IsYearAdjust = true;
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}
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else {
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date.IsNullVal = true;
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date.IsYearAdjust = true;
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date.IsMonthAdjust = true;
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date.IsDayAdjust = true;
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date.IsHourAdjust = true;
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date.IsMinuteAdjust = true;
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date.IsSecondAdjust = true;
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date.AdjustTime = DateTime.MaxValue;
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throw new ArgumentException("提供的cron表达式错误",nameof(exp));
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}
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}
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private void AdjustMonth(CronResult date) {
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var next = Months.Where(m => m >= date.AdjustTime.Month);
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if(next.Any()) {
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date.SetAdjustTime(date.AdjustTime.AddMonths(next.First() - date.AdjustTime.Month),TimePartEnum.YearMonth);
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||||
date.IsMonthAdjust = true;
|
||||
}
|
||||
else {
|
||||
date.SetAdjustTime(date.AdjustTime.AddYears(1),TimePartEnum.YearMonth);
|
||||
}
|
||||
}
|
||||
|
||||
private void AdjustDay(CronResult date) {
|
||||
var dt = date.AdjustTime;
|
||||
int year = dt.Year;
|
||||
int month = dt.Month;
|
||||
int day = dt.Day;
|
||||
int maxDayInMonth = DateTime.DaysInMonth(year,month);
|
||||
var next = DaysOfMonth.Where(a => a >= day && a <= maxDayInMonth && DaysOfWeek.Contains((int)dt.DayOfWeek));
|
||||
if(next.Any()) {
|
||||
date.SetAdjustTime(dt.AddDays(next.First() - day),TimePartEnum.YearDay);
|
||||
date.IsDayAdjust = true;
|
||||
return;
|
||||
}
|
||||
if(!DaysOfWeek.Contains((int)dt.DayOfWeek)) {
|
||||
date.SetAdjustTime(dt.AddDays(1),TimePartEnum.YearDay);
|
||||
return;
|
||||
}
|
||||
date.SetAdjustTime(dt.AddMonths(1),TimePartEnum.YearMonth);
|
||||
}
|
||||
|
||||
private void AdjustHour(CronResult date) {
|
||||
var next = Hours.Where(m => m >= date.AdjustTime.Hour);
|
||||
if(next.Any()) {
|
||||
date.SetAdjustTime(date.AdjustTime.AddHours(next.First() - date.AdjustTime.Hour),TimePartEnum.YearHour);
|
||||
date.IsHourAdjust = true;
|
||||
return;
|
||||
}
|
||||
date.SetAdjustTime(date.AdjustTime.AddDays(1),TimePartEnum.YearHour);
|
||||
}
|
||||
|
||||
private void AdjustMinute(CronResult date) {
|
||||
var next = Minutes.Where(m => m >= date.AdjustTime.Minute);
|
||||
if(next.Any()) {
|
||||
date.SetAdjustTime(date.AdjustTime.AddMinutes(next.First() - date.AdjustTime.Minute),TimePartEnum.YearMinute);
|
||||
date.IsMinuteAdjust = true;
|
||||
return;
|
||||
}
|
||||
date.SetAdjustTime(date.AdjustTime.AddHours(1),TimePartEnum.YearMinute);
|
||||
}
|
||||
|
||||
private void AdjustSecond(CronResult date) {
|
||||
var next = Seconds.Where(m => m >= date.AdjustTime.Second);
|
||||
if(next.Any()) {
|
||||
date.SetAdjustTime(date.AdjustTime.AddSeconds(next.First() - date.AdjustTime.Second),TimePartEnum.YearSecond);
|
||||
date.IsSecondAdjust = true;
|
||||
return;
|
||||
}
|
||||
date.SetAdjustTime(date.AdjustTime.AddMinutes(1),TimePartEnum.YearSecond);
|
||||
}
|
||||
|
||||
private static List<int> GetRange(string exp,int min,int max) {
|
||||
var charList = "0123456789*-/,".ToArray();
|
||||
var expChars = exp.ToCharArray().Distinct();
|
||||
var outRangeChars = expChars.Where(a => a.NotIn(charList)).ToArray();
|
||||
if(outRangeChars.Any()) {
|
||||
throw new ArgumentOutOfRangeException(nameof(exp),$"非法字符{new string(outRangeChars)} 在表达式 {exp} 中");
|
||||
}
|
||||
//if(exp.ToCharArray().Any(a => a.NotIn(charList))) {
|
||||
// throw new ArgumentOutOfRangeException(nameof(exp));
|
||||
//}
|
||||
var list = new List<int>();
|
||||
if(exp == "*") {
|
||||
return Enumerable.Range(min,max - min + 1).ToList();
|
||||
}
|
||||
if(int.TryParse(exp,out int iexp) && iexp.Between(min,max)) {
|
||||
list.Add(iexp);
|
||||
return list;
|
||||
}
|
||||
if(exp.Contains('-')) {
|
||||
var g = exp.Split('-',StringSplitOptions.RemoveEmptyEntries);
|
||||
var i = int.Parse(g[0]);
|
||||
var x = int.Parse(g[1]);
|
||||
i = Math.Max(i,min);
|
||||
x = Math.Min(x,max);
|
||||
while(i <= x) {
|
||||
list.Add(i++);
|
||||
}
|
||||
return list;
|
||||
}
|
||||
if(exp.Contains('/')) {
|
||||
var g = exp.Split('/',StringSplitOptions.RemoveEmptyEntries);
|
||||
var f = Math.Max(min,int.Parse(g[0]));
|
||||
var s = int.Parse(g[1]);
|
||||
while(f <= max) {
|
||||
list.Add(f);
|
||||
f += s;
|
||||
}
|
||||
return list;
|
||||
}
|
||||
if(exp.Contains(',')) {
|
||||
foreach(var ie in exp.Split(',')) {
|
||||
if(int.TryParse(ie,out int iei) && iei.Between(min,max)) {
|
||||
list.Add(iei);
|
||||
}
|
||||
else {
|
||||
throw new ArgumentException("给定的exp表达式错误，逗号分割的每一项都必须是数字",nameof(exp));
|
||||
}
|
||||
}
|
||||
return list;
|
||||
}
|
||||
throw new ArgumentException("提供的cron表达式错误",nameof(exp));
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user