Tiobon.Web.Core/Tiobon.Core.Common/Helper/DateTimeHelper.cs

namespace Tiobon.Core.Common.Helper;

public class DateTimeHelper
{ 
    public static string FriendlyDate(DateTime? date)
    {
        if (!date.HasValue) return string.Empty;

        string strDate = date.Value.ToString("yyyy-MM-dd");
        string vDate = string.Empty;
        if (DateTime.Now.ToString("yyyy-MM-dd") == strDate)
        {
            vDate = "今天";
        }
        else if (DateTime.Now.AddDays(1).ToString("yyyy-MM-dd") == strDate)
        {
            vDate = "明天";
        }
        else if (DateTime.Now.AddDays(2).ToString("yyyy-MM-dd") == strDate)
        {
            vDate = "后天";
        }
        else if (DateTime.Now.AddDays(-1).ToString("yyyy-MM-dd") == strDate)
        {
            vDate = "昨天";
        }
        else if (DateTime.Now.AddDays(2).ToString("yyyy-MM-dd") == strDate)
        {
            vDate = "前天";
        }
        else
        {
            vDate = strDate;
        }

        return vDate;
    }
    /// <summary>
    /// 格式化DateTime类型为字符串类型，精确到年，如：2008
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToYearString(DateTime dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return dateTime.ToString(@"yyyy");
    }
    /// <summary>
    /// 格式化DateTime类型为字符串类型，精确到年，如：2008
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToYearString(object dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return ConvertToYearString((DateTime)dateTime);
    }
    /// <summary>
    /// 格式化DateTime类型为字符串类型，精确到月，如：2008/01
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToMonthString(DateTime dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return dateTime.ToString(@"yyyy\/MM");
    }
    /// <summary>
    /// 格式化object类型为字符串类型，精确到月，如：2008/01
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToMonthString(object dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return ConvertToMonthString((DateTime)dateTime);
    }
    /// <summary>
    /// 格式化DateTime类型为字符串类型，精确到天，如：2008/01/01
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToDayString(DateTime dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return dateTime.ToString(@"yyyy\/MM\/dd");
    }

    public static DateTime ConvertToDay(DateTime dateTime)
    {
        string result = ConvertToDayString(dateTime);
        if (string.IsNullOrEmpty(result))
        {
            return DateTime.MinValue;
        }
        else
        {
            return Convert.ToDateTime(result);
        }
    }

    /// <summary>
    /// 格式化DateTime类型为字符串类型，精确到小时，如：2008/01/01 18
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToHourString(DateTime dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return dateTime.ToString(@"yyyy\/MM\/dd HH");
    }
    /// <summary>
    /// 格式化object类型为字符串类型，精确到小时，如：2008/01/01 18
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToHourString(object dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return ConvertToHourString((DateTime)dateTime);
    }

    /// <summary>
    /// 格式化object类型为字符串类型，精确到天，如：2008/01/01
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToDayString(object dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return ConvertToDayString(Convert.ToDateTime(dateTime));
    }

    /// <summary>
    /// 格式化DateTime类型为字符串类型，精确到分钟，如：2008/01/01 18:09
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToMiniuteString(DateTime dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return dateTime.ToString(@"yyyy\/MM\/dd HH:mm");
    }

    /// <summary>
    /// 格式化object类型为字符串类型，精确到分钟，如：2008/01/01 18:09
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToMiniuteString(object dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return ConvertToMiniuteString(Convert.ToDateTime(dateTime));
    }

    /// <summary>
    /// 格式化DateTime类型为字符串类型，精确到秒，如：2008/01/01 18:09:20
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToSecondString(DateTime dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return dateTime.ToString(@"yyyy\/MM\/dd HH:mm:ss");
    }
    /// <summary>
    /// 格式化object类型为字符串类型，精确到秒，如：2008/01/01 18:09:20
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToSecondString(object dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return ConvertToSecondString(Convert.ToDateTime(dateTime));
    }

    /// <summary>
    /// 格式化DateTime类型为字符串类型，如：01/01
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToOnlyMonthDayString(DateTime dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return dateTime.ToString(@"MM\/dd");
    }
    /// <summary>
    /// 格式化object类型为字符串类型，如：01/01
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToOnlyMonthDayString(object dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return ConvertToOnlyMonthDayString(Convert.ToDateTime(dateTime));
    }

    /// <summary>
    /// 格式化DateTime类型为字符串类型，如：12:12
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToOnlyHourMinuteString(DateTime dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return dateTime.ToString(@"HH:mm");
    }
    /// <summary>
    /// 格式化object类型为字符串类型，如：12:12
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToOnlyHourMinuteString(object dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return ConvertToOnlyHourMinuteString(Convert.ToDateTime(dateTime));
    }
    /// <summary>
    /// 格式化DateTime类型为字符串类型，如：12:12:12
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToOnlySecondString(DateTime dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return dateTime.ToString(@"HH:mm:ss");
    }
    /// <summary>
    /// 格式化object类型为字符串类型，如：12:12:12
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToOnlySecondString(object dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return ConvertToOnlySecondString(Convert.ToDateTime(dateTime));
    }

    /// <summary>
    /// 格式化DateTime类型为字符串类型，如：2020/05
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToYearMonthString(DateTime dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return dateTime.ToString(@"yyyy\/MM");
    }
    /// <summary>
    /// 格式化object类型为字符串类型，如：2020/05
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToYearMonthString(object dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return ConvertToYearMonthString(Convert.ToDateTime(dateTime));
    }

    /// <summary>
    /// 格式化DateTime类型为字符串类型，如：2020-05
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToYearMonthString1(DateTime dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return dateTime.ToString(@"yyyy-MM");
    }
    /// <summary>
    /// 格式化object类型为字符串类型，如：2020-05
    /// </summary>
    /// <param name="dateTime"></param>
    /// <returns></returns>
    public static string ConvertToYearMonthString1(object dateTime)
    {
        if (string.IsNullOrEmpty(Convert.ToString(dateTime)))
        {
            return "";
        }
        return ConvertToYearMonthString1(Convert.ToDateTime(dateTime));
    }

    /// <summary>
    /// 毫秒转天时分秒
    /// </summary>
    /// <param name="ms"></param>
    /// <returns></returns>
    public static string FormatTime(long ms)
    {
        int ss = 1000;
        int mi = ss * 60;
        int hh = mi * 60;
        int dd = hh * 24;

        long day = ms / dd;
        long hour = (ms - day * dd) / hh;
        long minute = (ms - day * dd - hour * hh) / mi;
        long second = (ms - day * dd - hour * hh - minute * mi) / ss;
        long milliSecond = ms - day * dd - hour * hh - minute * mi - second * ss;

        string sDay = day < 10 ? "0" + day : "" + day; //天
        string sHour = hour < 10 ? "0" + hour : "" + hour;//小时
        string sMinute = minute < 10 ? "0" + minute : "" + minute;//分钟
        string sSecond = second < 10 ? "0" + second : "" + second;//秒
        string sMilliSecond = milliSecond < 10 ? "0" + milliSecond : "" + milliSecond;//毫秒
        sMilliSecond = milliSecond < 100 ? "0" + sMilliSecond : "" + sMilliSecond;

        return string.Format("{0} 天 {1} 小时 {2} 分 {3} 秒", sDay, sHour, sMinute, sSecond);
    }

}