C#实现日期格式转换的公共方法类实例

/// <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"); ;  }}