using System;
using System.Collections.Generic;
using System.Text;

namespace LiveForum.Code.Utility
{
    /// <summary>
    /// 时间扩展
    /// </summary>
    public static class DateTimeExtensions
    {
        /// <summary>
        /// 获取时间戳，秒 
        /// </summary>
        /// <param name="dateTime"></param>
        /// <returns></returns>
        public static long ToUnixTimestamp(this DateTime dateTime)
        {
            return (long)(dateTime.ToUniversalTime() - new DateTime(1970, 1, 1)).TotalSeconds;
        }

        /// <summary>
        /// 获取是时间戳，毫秒
        /// </summary>
        /// <param name="dateTime"></param>
        /// <returns></returns>
        public static long ToUnixTimestampMilliseconds(this DateTime dateTime)
        {
            return (long)(dateTime.ToUniversalTime() - new DateTime(1970, 1, 1)).TotalMilliseconds;
        }
    }
}