JavawebEL自定义函数开发及代码实例

package com.javaweb.tag;
public class elFunction {
  public static String concat(String str1,String str2){
    return str1+str2;
  }
}

<&＃63;xml version="1.0" encoding="UTF-8"&＃63;>
 

   
 MyTag 1.1 core library
 MyTag core
 1.1
 c
 http://java.www.com/jsp/jstl/core/elFunction
 
  concat
  com.javaweb.tag.elFunction
  java.lang.String concat(java.lang.String,java.lang.String)
 

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%@ taglib uri="http://java.www.com/jsp/jstl/core/elFunction" prefix="koala"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
 


 
  
   
  
   
  
  
    
  
  
  
 
 
  
 
  ${koala:concat(param.name1,param.name2)}