regtld/Protld.java
package regtld;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;
import javax.servlet.jsp.JspWriter;
import properties.RegProperties;
public class Protld extends TagSupport {
private String temp;
public void setTemp(String temp){
this.temp=temp;
}
public int doEndTag() throws JspException {
// TODO 自动生成方法存根
JspWriter out=pageContext.getOut();
try{
//new RegProperties().getProperties(temp)自定义的一个从register.properties文件中读取数据的类方法
out.print(new RegProperties().getProperties(temp));
}catch(Exception e){
System.err.println(e);
}
return super.doEndTag();
}
}
foot.jsp
<
%@page pageEncoding="GB2312"%>
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "
http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<
%@taglib uri="/reg" prefix="reg" %>
<table width="800" border="1" align="center" bordercolor="#FF9900">
<tr>
<td height="20" bgcolor="#FF9900"> </td>
</tr>
<tr>
<td height="100" align="center" valign="middle" bgcolor="#F0F0F0"><p>版权所有：
<reg:protld temp="copyright" /></p>
<p>技术支持：<reg:protld temp="designer" /></p></td>
</tr>
</table>
web.xml
<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd"><web-app> <display-name>Register</display-name> <description>design by xiang</description>
<welcome-file-list> <welcome-file>/index.jsp</welcome-file> </welcome-file-list> <session-config> <session-timeout>30</session-timeout> </session-config> <taglib> <taglib-uri>/reg</taglib-uri> <taglib-location>/WEB-INF/tld/reg.tld</taglib-location> </taglib></web-app>
标签库reg.tld
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE taglib
PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN"
"
http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd">
<taglib>
<tlib-version>1.0</tlib-version>
<jsp-version>1.2</jsp-version>
<short-name>tld</short-name>
<uri>/reg</uri>
<tag>
<name>protld</name>
<tagclass>regtld.Protld</tagclass>
<bodycontent>empty</bodycontent>
<info>Display title</info>
<attribute>
<name>temp</name>
<required>true</required>
<rtexprvalue>false</rtexprvalue>
<type>String</type>
</attribute>
</tag>
</taglib>
