//************************************************************************ // author: yuzhengyang // date: 2017.8.17 - 2017.8.17 // desc: 日期工具 // Copyright (c) yuzhengyang. All rights reserved. //************************************************************************ using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Azylee.Core.DataUtils.DateTimeUtils { public sealed class DateTool { public static bool IsToday(DateTime date) { DateTime today = DateTime.Now; if (today.Year == date.Year && today.Month == date.Month && today.Day == date.Day) return true; return false; } public static bool IsYesterday(DateTime date) { DateTime yesterday = DateTime.Now.AddDays(-1); if (yesterday.Year == date.Year && yesterday.Month == date.Month && yesterday.Day == date.Day) return true; return false; } /// /// 当月有多少天 /// /// /// /// public static int MonthDays(int year, int month) { int days = 1; try { DateTime begin = new DateTime(year, month, 1); DateTime end = begin.AddMonths(1); days = (int)(end - begin).TotalDays; } catch { } return days; } } }