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´¦ÀíÀà¼Ì³ÐTagSupportÀà²¢ÖØÔØdoStartTag()·½·¨,
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package cn.xxx;
public class DateTag extends TagSupport {
private static final long serialVersionUID = 1L;
public int doStartTag() throws javax.servlet.jsp.JspException {
JspWriter out;
try {
out = pageContext.getOut();
out.print("helloÄãºÃ" + new Date());
} catch (IOException ioe) {
throw new JspException("I/O Error : " + ioe.getMessage());
}
return Tag.SKIP_BODY;//return 0;
}
}
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<?xml version="1.0" encoding="UTF-8" ?>
<taglib
xmlns="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
web-jsptaglibrary_2_0.xsd" verson="2.0">
<tlib-version>1.0</tlib-version>
<jspversion>1.1</jspversion>
<info>A simple tag library</info>
<tag>
<name>displayDate</name>
<tagclass>cn.eecn.DateTag</tagclass>
<bodycontent>empty</bodycontent>
<info>Display Date</info>
</tag>
</taglib>
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web.xml:
<taglib>
<taglib-uri>myTags</taglib-uri>
<taglib-location>/WEB-INF/lib/DateTagLib.tld</taglib-location>
</taglib>
jsp:
<%@ taglib uri="myTags" prefix="abc" %>
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ÔÚjspÒ³ÃæÖÐÖ±½ÓʹÓö¯Ì¬µ¼ÈëtldÎļþ
<%@ taglib uri="/WEB-INF/lib/DateTagLib.tld" prefix="abc" %>
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jsp
<abc:displayDate />
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