.tld文件DTD:

<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE taglib
        PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.1//EN"
	"http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd">
<taglib>
  <tlibversion>1.0</tlibversion>
  <jspversion>1.1</jspversion>
  <shortname>AABC</shortname>
  <tag>
  	<name>YE</name> 形如<Tag:YE key=""/>
	<tagclass>tag.TagM</tagclass> class路径 tag为包名 TagM为类名
	<attribute> 		
      		<name>key</name> 属性
      		<required>true</required> 是否必须
    	</attribute>
  </tag>
</taglib>



Web.xml:

  <taglib>
    <taglib-uri>MyTagS</taglib-uri> MyTag对应JSP中uri的值
    <taglib-location>/WEB-INF/MyTag.tld</taglib-location>  MyTag.tld所在路径
  </taglib>


JSP文件:

引入标签 <%@ taglib uri="MyTag" prefix="Tag" %>
使用标签 <Ye:MyTag number1="5" number2="10" opert="+"/>