using System; using System.Collections.Generic; using System.Linq; using System.Text.RegularExpressions; using System.Threading.Tasks; using Microsoft.Extensions.Configuration; using Microsoft.Extensions.DependencyInjection; using Quartz; namespace TopshelfStudy.NetCoreDemo { public static class QuartzNetHelper { /// /// 是否是有效的 cron 字符串 /// public static bool IsValidExpression(string cron) { return CronExpression.IsValidExpression(cron); } } }