蓝月亮

jt

2021-06-10 5d0d028456874576560552f5a5c4e8b801786f11

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ÿþusing System; 
using System.Collections.Generic; 
using System.Text; 
using System.Text.RegularExpressions; 
 
namespace HH.WMS.Utils 
{ 
  public partial class ZDateTime 
    { 
        /// <summary> 
        /// ÖSÏkg„v,{N/g+gN)Y 
        /// </summary> 
        /// <param name="time"> OeQöeô•</param> 
        /// <param name="firstDay">,{N)Y؏/fg+gN)Y</param> 
        /// <returns></returns> 
        public static DateTime DayOfMonth(DateTime time, bool firstDay) 
        { 
            DateTime time1 = new DateTime(time.Year, time.Month, 1); 
            if (firstDay) return time1; 
            else return time1.AddMonths(1).AddDays(-1); 
        } 
        /// <summary> 
        /// ÖSÏkc[¦^„v,{N/g+gN)Y 
        /// </summary> 
        /// <param name="time"> OeQöeô•</param> 
        /// <param name="firstDay">,{N)Y؏/fg+gN)Y</param> 
        /// <returns></returns> 
        public static DateTime DayOfQuarter(DateTime time, bool firstDay) 
        { 
            int m = 0; 
            switch (time.Month) 
            { 
                case 1: 
                case 2: 
                case 3: 
                    m = 1; break; 
                case 4: 
                case 5: 
                case 6: 
                    m = 4; break; 
                case 7: 
                case 8: 
                case 9: 
                    m = 7; break; 
                case 10: 
                case 11: 
                case 12: 
                    m = 11; break; 
            } 
 
            DateTime time1 = new DateTime(time.Year, m, 1); 
            if (firstDay) return time1; 
            else return time1.AddMonths(3).AddDays(-1); 
        } 
        /// <summary> 
        /// ÖSÏkt^„v,{N/g+gN)Y 
        /// </summary> 
        /// <param name="time"> OeQöeô•</param> 
        /// <param name="firstDay">,{N)Y؏/fg+gN)Y</param> 
        /// <returns></returns> 
        public static DateTime DayOfYear(DateTime time, bool firstDay) 
        { 
            if (firstDay) return new DateTime(time.Year, 1, 1); 
            else return new DateTime(time.Year, 12, 31); 
        } 
 
 
 
        /// <summary> 
        /// ÔÞVhÆQåeg<h_string(yyyy-MM-dd) 
        /// </summary> 
        public static string GetDate() 
        { 
            return DateTime.Now.ToString("yyyy-MM-dd"); 
        } 
 
        /// <summary> 
        /// ÔÞVcš[åeg<h_ 
        /// </summary> 
        public static string GetDate(string datetimestr, string replacestr) 
        { 
            if (datetimestr == null) 
            { 
                return replacestr; 
            } 
 
            if (datetimestr.Equals("")) 
            { 
                return replacestr; 
            } 
 
            try 
            { 
                datetimestr = Convert.ToDateTime(datetimestr).ToString("yyyy-MM-dd").Replace("1900-01-01", replacestr); 
            } 
            catch 
            { 
                return replacestr; 
            } 
            return datetimestr; 
 
        } 
 
 
        /// <summary> 
        /// ÔÞVhÆQöeô•<h_string 
        /// </summary> 
        public static string GetTime() 
        { 
            return DateTime.Now.ToString("HH:mm:ss"); 
        } 
 
        /// <summary> 
        /// ÔÞVhÆQöeô•<h_string 
        /// </summary> 
        public static string GetDateTime() 
        { 
            return DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"); 
        } 
 
        /// <summary> 
        /// ÔÞVøvù[ŽNS_MRöeô•„vøvù[)Ype 
        /// </summary> 
        public static string GetDateTime(int relativeday) 
        { 
            return DateTime.Now.AddDays(relativeday).ToString("yyyy-MM-dd HH:mm:ss"); 
        } 
 
        /// <summary> 
        /// ÔÞVhÆQöeô•<h_string 
        /// </summary> 
        public static string GetDateTimeF() 
        { 
            return DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss:fffffff"); 
        } 
 
        /// <summary> 
        /// ÔÞVhÆQöeô•  
        /// </sumary> 
        public static string GetStandardDateTime(string fDateTime, string formatStr) 
        { 
            if (fDateTime == "0000-0-0 0:00:00") 
            { 
 
                return fDateTime; 
            } 
            DateTime s = Convert.ToDateTime(fDateTime); 
            return s.ToString(formatStr); 
        } 
 
        /// <summary> 
        /// ÔÞVhÆQöeô• yyyy-MM-dd HH:mm:ss 
        /// </sumary> 
        public static string GetStandardDateTime(string fDateTime) 
        { 
            return GetStandardDateTime(fDateTime, "yyyy-MM-dd HH:mm:ss"); 
        } 
 
        /// <summary> 
        ///  
        /// </summary> 
        /// <returns></returns> 
        public static bool IsTime(string timeval) 
        { 
            return Regex.IsMatch(timeval, @"^((([0-1]?[0-9])|(2[0-3])):([0-5]?[0-9])(:[0-5]?[0-9])?)$"); 
        } 
 
    } 
}