JSP calls Java method function taglib

1. New TLD File:

MY-FUNCTIONS.TLD:

<?XML version= "1.0" encoding= "UTF-8"?><taglibxmlns= "HTTP://JAVA.SUN.COM/XML/NS/J2EE"Xmlns:xsi= "Http://www.w3.org/2001/XMLSchema-instance"xsi:schemalocation= "Http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-jsptaglibrary_2_0.xsd"version= "2.0">    <Description>Functions</Description>    <tlib-version>3.0</tlib-version>    <Short-name>Fn</Short-name>    <URI>Http://mysteel.com/shiro/tags/mysteel-functions</URI>    <function>        <Description>Show ship name according to ship code</Description>        <name>ShipName</name>        <Function-class>Com.test.system.web.taglib.Functions</Function-class>        <function-signature>Java.lang.String Getshipname (java.lang.String)</function-signature>    </function></taglib>

2. Build Java class:

 Package Com.test.system.web.taglib; Import Com.portx.util.XmlReaderUtil; Import org.springframework.util.CollectionUtils; Import java.util.Collection;  Public class Functions {    publicstatic  string Getshipname (String code) {         return Xmlreaderutil.getvaluebykey (code);}    }

3. defined in Web. xml:

<Jsp-config>        <taglib>            <Taglib-uri>/tags</Taglib-uri>            <taglib-location>/web-inf/tld/datetag.tld</taglib-location>        </taglib>        <taglib>            <Taglib-uri>/functions</Taglib-uri>            <taglib-location>/web-inf/tld/mysteel-functions.tld</taglib-location>        </taglib>    </Jsp-config>

4. Call in JSP

<% @ taglib Prefix = " FNC " URI = " /functions " %> ${fnc:shipname (ITEM.SHIPCORPCD)}

can be called.

JSP calls Java method function Taglib