时间转换:DateTimeExtensions-创新互联-成都快上网建站

时间转换:DateTimeExtensions-创新互联

创新互联从2013年创立,是专业互联网技术服务公司,拥有项目成都做网站、网站制作网站策划,项目实施与项目整合能力。我们以让每一个梦想脱颖而出为使命,1280元金凤做网站,已为上家服务,为金凤各地企业和个人服务,联系电话:18980820575>using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Beehive.CloudReader.Utility { public static class DateTimeExtensions { /// /// /// /// /// public static string ToRelativeDateTimeT(this DateTime dateTime) { var time = DateTime.Now - dateTime; //如果不在同一年 则直接显示年月日 if ((int.Parse(dateTime.ToString("yyyy")) - int.Parse(DateTime.Now.ToString("yyyy"))) != 0) // if (time.TotalDays > 365) return dateTime.ToString("yyyy-MM-dd"); if (time.TotalDays > 2) return dateTime.ToString("M月d日 HH:mm"); else { var day = DateTime.Now.Date - dateTime.Date; if (day.Days == 2) return string.Format("前天{0:HH:mm}", dateTime); if (day.Days == 1) return string.Format("昨天{0:HH:mm}", dateTime); if (time.TotalMinutes > 60) return string.Format("今天{0:HH:mm}", dateTime); if (time.TotalSeconds > 60) return string.Format("{0}分钟前", time.Minutes); if (time.TotalSeconds < 60 && time.TotalDays >= 0) return "刚刚"; else { if (time.Days == 0 && dateTime.Date == DateTime.Now.Date) return string.Format("今天{0:HH:mm}", dateTime); if (time.TotalDays >= -1) return string.Format("明天{0:HH:mm}", dateTime); if (time.TotalDays < -1 && time.TotalDays > -2) return string.Format("后天{0:HH:mm}", dateTime); return dateTime.ToString("M月d日 HH:mm"); } } } public static string ToRelativeDateTimeDay(this DateTime dateTime) { var time = DateTime.Now - dateTime; //如果不在同一年 则直接显示年月日 if ((int.Parse(dateTime.ToString("yyyy")) - int.Parse(DateTime.Now.ToString("yyyy"))) != 0) // if (time.TotalDays > 365) return dateTime.ToString("yyyy-MM-dd"); if (time.TotalDays > 2) return dateTime.ToString("M月d日"); else { var day = DateTime.Now.Date - dateTime.Date; if (day.Days == 2) return string.Format("前天", dateTime); if (day.Days == 1) return string.Format("昨天", dateTime); if (time.TotalMinutes > 60) return string.Format("{0:HH:mm}", dateTime); if (time.TotalSeconds > 60) return string.Format("{0}分钟前", time.Minutes); if (time.TotalSeconds < 60 && time.TotalDays >= 0) return "刚刚"; else { if (time.Days == 0 && dateTime.Date == DateTime.Now.Date) return string.Format("{0:HH:mm}", dateTime); if (time.TotalDays >= -1) return string.Format("明天", dateTime); if (time.TotalDays < -1 && time.TotalDays > -2) return string.Format("后天", dateTime); return dateTime.ToString("M月d日"); } } } /// /// /// /// /// public static long ToTimeStamp(this DateTime dateTime) { var stamp = dateTime.Ticks - new DateTime(1970, 1, 1).Ticks; return stamp / 10000000 - 8 * 60 * 60; } public static string ToWelcome(this DateTime dateTime) { var hour = DateTime.Now.Hour; var msg = ""; if (hour >= 6 && hour < 8) { msg= "早上好"; } else if (hour >= 8 && hour < 11) { msg= "上午好"; } else if (hour >= 11 && hour < 13) { msg= "中午好"; } else if (hour >= 13 && hour < 18) { msg= "下午好"; } else { msg= "晚上好"; } return msg; } } }
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