taglib"
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| + | '''Syntax:''' | ||
| + | <tablib uri="''myURI''" prefix="''my''"/> | ||
| + | |||
| + | It is used to load a <tt>taglib</tt> file, which defines a set of static methods that can be used in EL expressions (so called EL functions). | ||
| + | |||
| + | For example, we could load functions defined in the built-in TLD files identified as [[ZUML Reference/EL Expressions/Core Methods|http://www.zkoss.org/dsp/web/core]], and then use [[ZUML Reference/EL Expressions/Core Methods/toLowerCase|the toLowerCase function]]. | ||
| + | |||
| + | <source lang="xml" > | ||
| + | <taglib uri="http://www.zkoss.org/dsp/web/core" prefix="c"/> | ||
| + | <action pattern="/hello" method="c:toLowerCase(request.method)" class="foo.Hello"> | ||
| + | ... | ||
| + | </source> | ||
| + | |||
| + | If you want to load a TLD file from your Web application, you can specify the path directly. For example, suppose you have a custom TLD at <code>/WEB-INF/tld/my.tld</code>, then you could specify it as follows. | ||
| + | |||
| + | <source lang="xml" > | ||
| + | <taglib uri="/WEB-INF/tld/my.tld" prefix="my"/> | ||
| + | </source> | ||
| + | |||
| + | For more information about the syntax of a custom taglib, please refer to [[ZUML Reference/ZUML/Processing Instructions/taglib/Custom Taglib|ZUML Reference]]. | ||
| + | |||
| + | |||
| + | = uri = | ||
| + | |||
| + | [Required][EL is ''not'' allowed] | ||
| + | |||
| + | A URL of the <tt>taglib</tt> file. Unlike other URL and URI, it doesn't interpret ~ or * specially. And, the page and the <tt>taglib</tt> files it references must be in the same Web application. | ||
| + | |||
| + | == The prefix Attribute == | ||
| + | |||
| + | [Required] | ||
| + | |||
| + | A prefix used to identify functions defined in this <tt>taglib</tt> file. The prefix could be any non-empty string. | ||
=Version History= | =Version History= | ||
Revision as of 10:14, 14 March 2011
Syntax:
<tablib uri="myURI" prefix="my"/>
It is used to load a taglib file, which defines a set of static methods that can be used in EL expressions (so called EL functions).
For example, we could load functions defined in the built-in TLD files identified as http://www.zkoss.org/dsp/web/core, and then use the toLowerCase function.
<taglib uri="http://www.zkoss.org/dsp/web/core" prefix="c"/>
<action pattern="/hello" method="c:toLowerCase(request.method)" class="foo.Hello">
...
If you want to load a TLD file from your Web application, you can specify the path directly. For example, suppose you have a custom TLD at /WEB-INF/tld/my.tld, then you could specify it as follows.
<taglib uri="/WEB-INF/tld/my.tld" prefix="my"/>
For more information about the syntax of a custom taglib, please refer to ZUML Reference.
uri
[Required][EL is not allowed]
A URL of the taglib file. Unlike other URL and URI, it doesn't interpret ~ or * specially. And, the page and the taglib files it references must be in the same Web application.
The prefix Attribute
[Required]
A prefix used to identify functions defined in this taglib file. The prefix could be any non-empty string.
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