C#实现日期格式转换的公共方法类实例

///

/// 公共方法类

///

publicstaticclassUtilityHandle

{

  ///

  /// 字符串日期转DateTime

  ///

  publicstaticDateTime TransStrToDateTime(stringstrDateTime)

  {

    DateTime now;

    string[] format =newstring[]

    {

      "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,outnow))

    {

      returnnow;

    }

    returnDateTime.MinValue;

  }

  ///

  /// 日期转换

  ///

  publicstaticstringTransformDataLong(DateTime? dateTime)

  {

    stringresult ="";

    if(dateTime.HasValue)

    {

      result = dateTime.Value.ToString("yyyy-MM-dd HH:mm:ss");

    }

    returnresult;

  }

  ///

  /// 日期转换

  ///

  publicstaticstringTransformDataShort(DateTime? dateTime)

  {

    stringresult ="";

    if(dateTime.HasValue)

    {

      result = dateTime.Value.ToString("yyyy-MM-dd");

    }

    returnresult;

  }

  ///

  /// 将日期转换成decimal

  ///

  publicstaticdecimalTransDateTimeToDecimal(DateTime date)

  {

    decimalret = 0;

    ret = Convert.ToDecimal(date.ToString("yyyyMMddHHmmss"));

    returnret;

  }

  ///

  /// 将decimal转换成日期格式

  ///

  /// yyyyMMddHHmmss

  /// yyyy-MM-dd HH:mm:ss

  publicstaticstringTransDecimalToDateTime(stringdate)

  {

    DateTimeFormatInfo dtfi =newCultureInfo("zh-CN",false).DateTimeFormat;

    DateTime dateTime = DateTime.Now;

    DateTime.TryParseExact(date,"yyyyMMddHHmmss", dtfi, DateTimeStyles.None,outdateTime);

    returndateTime.ToString("yyyy-MM-dd HH:mm:ss"); ;

  }

}