using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Wit.SDK.Utils
{
    /// <summary>
    /// 日期工具类
    /// </summary>
    public class DateTimeUtils
    {
        /// <summary>
        /// 获取时间戳
        /// </summary>
        /// <returns></returns>
        public static long GetTimeStamp()
        {
            TimeSpan ts = DateTime.Now - new DateTime(1970, 1, 1, 0, 0, 0, 0);
            return Convert.ToInt64(ts.TotalMilliseconds);
        }

        /// <summary>
        /// 日期格式化
        /// </summary>
        /// <param name="dateTime"></param>
        /// <param name="format"></param>
        /// <returns></returns>
        public static string Format(DateTime dateTime, string format) {
          return dateTime.ToString(format);
        }
    }
}