Microsoft AJAX Library Cheat Sheet（2）： Boolean和Date類型的擴充

 

本文為翻譯，英文原版的Cheat Sheet（PDF版本）在此下載：http://aspnetresources.com/downloads/ms_ajax_library_cheat_sheets1.zip

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註：標註有[S]的為靜態方法，無須執行個體化對象即可使用。

 

[S] Boolean.parse (value )

從字串表示的布爾值解析成相應的Boolean類型。value參數必須為“true”或“false”二者之一，不區分大小寫，且可以包含空格。

var b = Boolean.parse("true");

 

Date.format (format)

格式化字串（地區設定無關）。

var d = new Date();

Sys.Debug.trace (d.format("dddd, dd MMMM yyyy HH:mm:ss"));

 

Date.localeFormat (format)

格式化字串（地區設定相關）。使用Sys.CultureInfo.CurrentCulture得到地區屬性。

var d = new Date();

Sys.Debug.trace (d.localeFormat("dddd, dd MMMM yyyy HH:mm:ss"));

 

[S] Date.parseLocale (value, formats)

從字串表示的本地時間日期解析成相應的Date類型。使用Sys.CultureInfo.CurrentCulture得到地區屬性。

Sys.Debug.trace (Date.parseLocale ("4/10/2001", "yyyy-MM-dd",

"MM/dd/yyyy"));

// Date.parseLocale will skip the first format here as invalid and use

// the second one. If it does not find an appropriate format,

// the function throws an exception.

 

[S] Date.parseInvariant (value, formats)

從字串表示的地區無關時間日期解析成相應的Date類型。

Sys.Debug.trace (Date.parseInvariant ("4/10/2001", "yyyy-MM-dd",

"MM/dd/yyyy"));

// Date.parseInvariant will skip the first format here as invalid and use

// the second one. If it does not find an appropriate format,

// the function throws an exception.

 

支援的格式

 

1. d： 縮寫日期(e.g.: 02/17/2007)：
2. D： 完整日期(e.g: Saturday, 17 February 2007)
3. t： 縮寫時間(e.g.: 22:10)
4. T： 完整時間(e.g.: 22:10:30)
5. F： 完整時間日期(e.g.: Saturday, 17 February 2007 22:10:30)
6. m (or M)： 月和日(e.g.: February 17)
7. s： 可排序的時間日期(e.g.: 2007-02-17T22:10:30)
8. y (or Y)： 年和月(e.g.: 2007 February)