C#日期格式的转换方法

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C#中一些日期格式的转换。

创建公共方法类(UtilityHandle.cs),代表如下:

/// <summary>/// 公共方法类/// </summary>public static class UtilityHandle{    /// <summary>    ///  字符串日期转DateTime    /// </summary>    public static DateTime TransStrToDateTime(string strDateTime)    {        DateTime now;        string[] format = new string[]         {             "yyyyMMddHHmmss", "yyyy-MM-dd HH:mm:ss", "yyyy年MM月dd日 HH时mm分ss秒",            "yyyyMdHHmmss","yyyy年M月d日 H时mm分ss秒", "yyyy.M.d H:mm:ss", "yyyy.MM.dd HH:mm:ss","yyyy-MM-dd","yyyyMMdd"            ,"yyyy/MM/dd","yyyy/M/d"        };        if (DateTime.TryParseExact(strDateTime, format, CultureInfo.InvariantCulture, DateTimeStyles.None, out now))        {            return now;        }        return DateTime.MinValue;    }    /// <summary>    /// 日期转换    /// </summary>    public static string TransformDataLong(DateTime? dateTime)    {        string result = "";        if (dateTime.HasValue)        {            result = dateTime.Value.ToString("yyyy-MM-dd HH:mm:ss");        }        return result;    }    /// <summary>    /// 日期转换    /// </summary>    public static string TransformDataShort(DateTime? dateTime)    {        string result = "";        if (dateTime.HasValue)        {            result = dateTime.Value.ToString("yyyy-MM-dd");        }        return result;    }    /// <summary>    /// 将日期转换成decimal    /// </summary>    public static decimal TransDateTimeToDecimal(DateTime date)    {        decimal ret = 0;        ret = Convert.ToDecimal(date.ToString("yyyyMMddHHmmss"));        return ret;    }    /// <summary>    /// 将decimal转换成日期格式    /// </summary>    /// <param name="date">yyyyMMddHHmmss</param>    /// <returns>yyyy-MM-dd HH:mm:ss</returns>    public static string TransDecimalToDateTime(string date)    {        DateTimeFormatInfo dtfi = new CultureInfo("zh-CN", false).DateTimeFormat;        DateTime dateTime = DateTime.Now;        DateTime.TryParseExact(date, "yyyyMMddHHmmss", dtfi, DateTimeStyles.None, out dateTime);        return dateTime.ToString("yyyy-MM-dd HH:mm:ss"); ;    }}


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