`

dwr配置

DWRServletAjaxJavaScriptWeb 
阅读更多

1.导入dws.jar

2.web.xml

   

<servlet>
  	<servlet-name>dwr</servlet-name>
  	<servlet-class>uk.ltd.getahead.dwr.DWRServlet</servlet-class>
  	
  	<init-param>
  		<param-name>debug</param-name>
  		<param-value>true</param-value>
	</init-param>
  </servlet>
  <servlet-mapping>
  	<servlet-name>dwr</servlet-name>
  	<url-pattern>/dwr/*</url-pattern>
  </servlet-mapping>

3.编写/WEB-INF/dwr.xml

   

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE dwr PUBLIC "-//GetAhead Limited//DTD Direct Web Remoting 2.0//EN" "http://getahead.org/dwr/dwr20.dtd">
<dwr>
	<allow>
		<create creator="new" javascript="AjaxTest">
			<param name="class" value="com.southking.ajax.AjaxTest"/>
		</create>
	</allow>
</dwr>

  

 

4.编写类

package com.southking.ajax;

public class AjaxTest {
	public String opretion(String data){
		return data+" Ajax!";
	}
}

 

5.编写页面

  

<%@ page language="java" pageEncoding="utf-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <script type="text/javascript" src="/dwr/interface/AjaxTest.js"></script>
    <script type='text/javascript' src='/Struts2Demo/dwr/engine.js'></script>
    
    <script type="text/javascript">
    	function myFunction(str)
    	{
    		AjaxTest.opretion(str,callBackFunction);
    	}
    	function callBackFunction(data)
    	{
    		alert(data);
    	}
    </script>
  </head>
  
  <body onload=myFunction('我是')>
    试试
  </body>
</html>

 

 

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