TstimeTag.java
package testdb;import javax.servlet.jsp.tagext.*;
import javax.servlet.jsp.*;
import java.text.SimpleDateFormat;public class TstimeTag extends TagSupport { public int doEndTag()throws JspException{
SimpleDateFormat sdf;
sdf=new SimpleDateFormat("HH:mm:ss");
String time=sdf.format(new java.util.Date());
try{
pageContext.getOut().print(time);
}
catch(Exception e){
throw new JspException(e.toString());
}
return EVAL_PAGE;
}
}TEST/WEBROOT/WEB-INF/exampleTags.tld
<?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>
<tlib-version>1.0</tlib-version>
<jsp-version>1.1</jsp-version>
<short-name>ExampleTags</short-name>
<description>a test of tag</description>
<tag>
<name>time</name>
<tag-class>testdb.TstimeTag</tag-class>
</tag>
</taglib>example中出现了错误
问题描述:
Referenced file contains errors (http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd). For more information, right click on the message and select "Show Details..."
package testdb;import javax.servlet.jsp.tagext.*;
import javax.servlet.jsp.*;
import java.text.SimpleDateFormat;public class TstimeTag extends TagSupport { public int doEndTag()throws JspException{
SimpleDateFormat sdf;
sdf=new SimpleDateFormat("HH:mm:ss");
String time=sdf.format(new java.util.Date());
try{
pageContext.getOut().print(time);
}
catch(Exception e){
throw new JspException(e.toString());
}
return EVAL_PAGE;
}
}TEST/WEBROOT/WEB-INF/exampleTags.tld
<?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>
<tlib-version>1.0</tlib-version>
<jsp-version>1.1</jsp-version>
<short-name>ExampleTags</short-name>
<description>a test of tag</description>
<tag>
<name>time</name>
<tag-class>testdb.TstimeTag</tag-class>
</tag>
</taglib>example中出现了错误
问题描述:
Referenced file contains errors (http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd). For more information, right click on the message and select "Show Details..."
public int doStartTag() throws JspException {
return EVAL_BODY_INCLUDE;
}
请把你的JSP引用贴出来看看.
试试http://java.sun.com/dtd/web-jsptaglibrary_1_1.dtd