mapdefinetag.java

1.本目录存放了演示自定义标签开发与使用的web应用程序

package edu.jsp.tag; 

 import java.util.HashMap;
 import javax.servlet.jsp.JspException;
 import javax.servlet.jsp.tagext.TagSupport;

 public class MapDefineTag extends TagSupport {
 

     
     private String id;
     private HashMap map = null;  
 


     public int doStartTag() throws JspException {

           map = new HashMap(); 
           pageContext.setAttribute(id, map);    

         return EVAL_BODY_INCLUDE;

     }

     public String getId() {

         return id;

     }

     public void setId(String string) {

         id = string;

     }

     public HashMap getMap(){

         return map;

     }

 

     public void release() {

         super.release();

         map = null;

     }  

 

 }