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Apache Velocity - 版本历史
2026-07-13T07:14:02Z
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2023-08-01T12:14:43Z
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<p><b>新页面</b></p><div>{{Infobox Software<br />
| name = Apache Velocity<br />
| logo = <br />
| screenshot = <br />
| caption = <br />
| developer = [[Apache软件基金会]]<br />
| operating system = [[跨平台]]<br />
| programming language = [[Java]]<br />
| genre = [[模板引擎]]<br />
| license = [[Apache许可证]] 2.0<br />
| website = http://velocity.apache.org/<br />
}}<br />
{{Portal|自由軟體}}<br />
'''Apache Velocity'''是一个基于[[Java]]的[[模板引擎]]，它提供了一个模板语言去引用由Java代码定义的[[对象 (计算机科学)|对象]]，旨在确保[[Web应用程序]]在表示层和业务逻辑层之间的隔离（即[[MVC]]设计模式）。<br />
<br />
Velocity是[[Apache软件基金会|Apache基金会]]旗下的一个[[开源]]软件项目，其发布遵循[[Apache许可证]]标准。<br />
<br />
== 用途 ==<br />
下面是一些利用Velocity的常见应用类型：<br />
* [[Web应用程序]]：[[网页设计|网页设计者]]创建[[HTML]]页面，并为动态信息预留占位符。页面再由VelocityViewServlet或任何支持Velocity的框架处理。<br />
* [[源代码]]生成：Velocity可基于模板生成Java、[[SQL]]或[[PostScript]]源代码。大量的[[开源]]和商业[[软件包]]的开发就是这样利用Velocity。<ref>{{cite web |url=http://wiki.apache.org/velocity/PoweredByVelocity |title=PoweredByVelocity |work=Velocity Wiki |publisher=Wiki.apache.org |date=2009-12-30 |accessdate=2010-03-29 |archiveurl=https://web.archive.org/web/20100323223306/http://wiki.apache.org/velocity/PoweredByVelocity |archivedate=2010-03-23 |deadurl=no }}</ref><br />
* [[电子邮件]]自动生成：许多应用程序为了账户注册、[[密码]]提醒或自动寄送报表之需自动生成电子邮件。利用Velocity，电子邮件模板可以存储在一个[[文本文件]]，而不是直接嵌入到电子邮件生成器的Java代码中。<br />
* [[XML]]转化：Velocity提供一个[[Apache Ant|Ant]]任务——Anakia。Anakia读取XML文件，利用Velocity模板转换成所需的文档格式。常见的应用是将某种格式的文档转换成的一个带样式的HTML文档。<br />
<br />
== 代码示例 ==<br />
如下的Web模板：<br />
<syntaxhighlight lang="html4strict"><br />
## Velocity Hello World<br />
<html><br />
<body><br />
#set( $foo = "Velocity" )<br />
## followed by<br />
Hello $foo World!<br />
</body><br />
</html><br />
</syntaxhighlight><br />
<br />
经过Velocity处理后会生成如下的HTML代码：<br />
<syntaxhighlight lang="html4strict"><br />
<html><br />
<body><br />
Hello Velocity World!<br />
</body><br />
</html><br />
</syntaxhighlight><br />
<br />
== 参见 ==<br />
* {{tsl|en|Apache Torque}}<br />
* [[FreeMarker]]<br />
* [[JavaServer Pages]]<br />
* [[Thymeleaf]]<br />
<br />
== 参考文献 ==<br />
{{reflist}}<br />
{{refbegin}}<br />
*{{citation<br />
|first1 = Rob<br />
|last1 = Harrop<br />
|first2 = Ian<br />
|last2 = Darwin<br />
|date = August 30, 2004<br />
|title = Pro Jakarta Velocity: From Professional to Expert<br />
|edition = 1st<br />
|publisher = [[Apress]]<br />
|page = 370<br />
|isbn = 978-1-59059-410-0<br />
|url = http://www.apress.com/book/view/9781590594100<br />
|access-date = 2014-04-12<br />
|archive-url = https://web.archive.org/web/20090705091506/http://www.apress.com/book/view/9781590594100<br />
|archive-date = 2009-07-05<br />
|dead-url = yes<br />
}}<br />
*{{citation<br />
|first1 = Jim<br />
|last1 = Cole<br />
|first2 = Joseph<br />
|last2 = D. Gradecki<br />
|date = July 16, 2003<br />
|title = Mastering Apache Velocity<br />
|edition = 1st<br />
|publisher = [[John Wiley & Sons|Wiley]]<br />
|page = 372<br />
|isbn = 978-0-471-45794-7<br />
|url = http://www.wiley.com/WileyCDA/WileyTitle/productCd-0471457949.html<br />
|access-date = 2014-04-12<br />
|archive-url = https://web.archive.org/web/20121007002812/http://www.wiley.com/WileyCDA/WileyTitle/productCd-0471457949.html<br />
|archive-date = 2012-10-07<br />
|dead-url = yes<br />
}}<br />
{{refend}}<br />
<br />
== 外部链接 ==<br />
* [http://velocity.apache.org/ Apache Velocity]{{Wayback|url=http://velocity.apache.org/ |date=20140417150800 }}<br />
* [http://wiki.apache.org/velocity/ Velocity维基]{{Wayback|url=http://wiki.apache.org/velocity/ |date=20140416055919 }}<br />
* [http://www.javaworld.com/javaworld/jw-11-2007/jw-11-java-template-engines.html 基于Java的模板引擎比较] {{Wayback|url=http://www.javaworld.com/javaworld/jw-11-2007/jw-11-java-template-engines.html |date=20121114142919 }}<br />
<br />
{{Apache}}<br />
<br />
{{Authority control}}<br />
[[Category:Apache软件基金会|Velocity]]<br />
[[Category:網頁模板引擎]]<br />
[[Category:Java函式庫]]</div>
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