完成你的自定义JSP Tag标签－Basic Coustom Tag

public int doStartTag(){

JspWriter ōut = pageContext.getOut();
  String value = getValue();
  String code = getCode();
  System.out.println("value = " + value);
  System.out.println("code = " + code);

try{
   if(code != null && value != null) {
    out.print("<a href=");
    out.print("'");
    out.print(value);
    out.print("'");
    out.print(">");
    out.print(code);
    out.print("</a>");
   }
  }catch(IOException e){
   System.out.println("Error in Tag:" +  e.getMessage());
  }
  
  return(SKIP_BODY);
 }

<?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>

 <tag>
  <name>href</name>
  <tagclass>com.test.tag.HrefTag</tagclass>
  <bodycontent>jsp</bodycontent>
  <info>Simplest example: href the page </info>
  <attribute>
   <name>code</name>
   <required>true</required>
   <rtexprvalue>false</rtexprvalue>
  </attribute>
  <attribute>
   <name>value</name>
   <required>true</required>
   <rtexprvalue>false</rtexprvalue>
  </attribute>
 </tag>
 
</taglib>

<taglib>

   <taglib-uri>simpleTag</taglib-uri>

   <taglib-location>

              /WEB-INF/tld/test-taglib.tld

   </taglib-location>

</taglib>