时间戳[c#基础类]
时间:2020-04-07 发布者: 访问量:3345
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Common.Utility.时间戳 { public class TimeHelper { /// <summary> /// 时间戳转为C#格式时间 /// </summary> /// <param name=”timeStamp”></param> /// <returns></returns> public static DateTime GetTime(string timeStamp) { DateTime dtStart = TimeZone.CurrentTimeZone.ToLocalTime(new DateTime(1970, 1, 1)); long lTime = long.Parse(timeStamp + "0000000"); TimeSpan toNow = new TimeSpan(lTime); return dtStart.Add(toNow); } /// <summary> /// DateTime时间格式转换为Unix时间戳格式 /// </summary> /// <param name=”time”></param> /// <returns></returns> public static string ConvertDateTime(System.DateTime time) { System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1)); return Convert.ToString((int)(time - startTime).TotalSeconds); } /// <summary> /// 获取以0点0分0秒开始的日期 /// </summary> /// <param name="d"></param> /// <returns></returns> public static DateTime GetStartDateTime(DateTime d) { if (d.Hour != 0) { var year = d.Year; var month = d.Month; var day = d.Day; var hour = "0"; var minute = "0"; var second = "0"; d = Convert.ToDateTime(string.Format("{0}-{1}-{2} {3}:{4}:{5}", year, month, day, hour, minute, second)); } return d; } /// <summary> /// 获取以23点59分59秒结束的日期 /// </summary> /// <param name="d"></param> /// <returns></returns> public static DateTime GetEndDateTime(DateTime d) { if (d.Hour != 23) { var year = d.Year; var month = d.Month; var day = d.Day; var hour = "23"; var minute = "59"; var second = "59"; d = Convert.ToDateTime(string.Format("{0}-{1}-{2} {3}:{4}:{5}", year, month, day, hour, minute, second)); } return d; } } }
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