Question

我希望在范围之间知道另一天，如：

26-12-2017 5:45 pm。这是周一下午6点和周三下午6点。

请帮我解决。我只知道当天，但如何解决时间

Answer 1

尝试这样的事情。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Globalization;

namespace ConsoleApplication59
{
    class Program
    {
        static void Main(string[] args)
        {
            DateTime time = DateTime.ParseExact(("26-12-2017 5:45pm").ToUpper(),"dd-MM-yyyy h:mmtt", CultureInfo.InvariantCulture);
            int dayOfWeek = (int)time.DayOfWeek;
            DateTime saturdaySundayMidnight = time.AddDays(-dayOfWeek).Date;
            TimeSpan timeOfWeek = time.Subtract(saturdaySundayMidnight);
            TimeSpan  startTime = new TimeSpan(1,17,45,0);  //Monday 5:45PM
            TimeSpan  endTime = new TimeSpan(3,18,0,0);  //Wednesday 6:00PM

            if ((timeOfWeek >= startTime) && (timeOfWeek <= endTime))
            {
                Console.WriteLine("In Range");
            }
        }
    }
}

上述代码在DayLight节省时间和周日早晨发生的标准时间之间切换时出现问题。所以使用周日/周一午夜更好。见下面的代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Globalization;

namespace ConsoleApplication59
{
    class Program
    {
        static void Main(string[] args)
        {
            DateTime time = DateTime.ParseExact(("26-12-2017 5:45pm").ToUpper(),"dd-MM-yyyy h:mmtt", CultureInfo.InvariantCulture);
            int dayOfWeek = ((int)time.DayOfWeek - 1) % 7; //Monday day 0 instead of sunday
            DateTime sundayMondayMidnight = time.AddDays(-dayOfWeek).Date;
            TimeSpan timeOfWeek = time.Subtract(sundayMondayMidnight);
            TimeSpan  startTime = new TimeSpan(0,17,45,0);  //Monday 5:45PM
            TimeSpan  endTime = new TimeSpan(2,18,0,0);  //Wednesday 6:00PM

            if ((timeOfWeek >= startTime) && (timeOfWeek <= endTime))
            {
                Console.WriteLine("In Range");
            }
        }
    }
}

如何比较范围内的日期时间和小时

1 个答案: