mapentrytag.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 javax.servlet.jsp.JspException;
 import javax.servlet.jsp.tagext.TagSupport;
 public class MapEntryTag extends TagSupport {
 
 Object value ;
 String id;
 public void setValue(Object t) {
  this.value = t;
 
 }
  public void setId(String  id) {
  this.id = id;
 
 }
 
   public int doEndTag() throws JspException {      

         MapDefineTag mapDef = (MapDefineTag) this.getParent();                
         mapDef.getMap().put(id,value);

         return EVAL_PAGE;

         }
 }