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c#獲取當前系統時間,並提取按格式提取年月日為字符串

sta ogr mon 系統 ram AR 當前系統時間 ren 獲取

class Program
    {
        static void Main(String[] args)
        {
            DateTime currentTime = System.DateTime.Now;
            string defaultYear = currentTime.Year.ToString("d4");
            string defaultMonth = currentTime.Month.ToString("d2");//例:“06”
            //string defaultDay = currentTime.Day.ToString("d2");
            
//string defaultHour = currentTime.Hour.ToString("d2"); string defaultDay = currentTime.AddHours(-24).Day.ToString("d2"); string dateString1 = defaultYear + defaultMonth + defaultDay + "08"; DateTime dt1 = DateTime.ParseExact(dateString1,"yyyyMMddHH",System.Globalization.CultureInfo.CurrentCulture); dateTimePicker1.Value
= dt1; } }

c#獲取當前系統時間,並提取按格式提取年月日為字符串