DWR 学习笔记<三>DEMO

最新推荐文章于 2017-06-21 15:19:59 发布

iteye_16683

最新推荐文章于 2017-06-21 15:19:59 发布

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分类专栏： AJAX 文章标签： DWR Servlet JavaScript Struts XML ViewUI

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首先下载dwr.jar

2个配置文件

************************************************************************************************************

web.xml

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.4"

xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

<servlet>

<servlet-name>action</servlet-name>

<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>

<init-param>

<param-name>config</param-name>

<param-value>

/WEB-INF/struts-config.xml

</param-value>

</init-param>

<load-on-startup>2</load-on-startup>

</servlet>

<servlet>

<servlet-name>dwr-invoker</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-invoker</servlet-name>

<url-pattern>/dwr/*</url-pattern>

</servlet-mapping>

<servlet-mapping>

<servlet-name>action</servlet-name>

<url-pattern>*.do</url-pattern>

</servlet-mapping>

<welcome-file-list>

<welcome-file>index.html</welcome-file>

</welcome-file-list>

</web-app>

************************************************************************************************************

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="JDate">

<param name="class" value="java.util.Date" />

</create>

<create creator="new" javascript="Test">

<param name="class" value="com.cosmic.conn.Test" />

<include method="add"/>

<include method="getList"/>

</create>

</allow>

</dwr>

************************************************************************************************************

jsp

<%@ page language="java" contentType="text/html; charset=shift-jis"

pageEncoding="windows-31j"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html" %>

<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic" %>

<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean" %>

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=windows-31j">

<title>Insert title here</title>

<script type='text/javascript' src='dwr/interface/Test.js'></script>

<script type='text/javascript' src='dwr/engine.js'></script>

<script type='text/javascript' src='dwr/util.js'></script>

</head>

<script type="text/javascript" language="javascript">

function add()

{

//var id=document.getElementById("userId").value;

Test.getList(callBackAdd);

//alert(id);

}

function callBackAdd(data){

alert(data);

for(var attr in data){

alert(attr + "\t" + data[attr]);

}

//reCheckId=id;

//alert(c);

//userIdMsg(id);

}

</SCRIPT>

<body>

<html:form styleId="mainform" action="InsertAction" method="post">

<td width="200" align="center">

<html:button property="aaa" value="bbbbbb" οnclick="add();"></html:button>

</td>

</html:form>

</body>

</html>

************************************************************************************************************

Test.java

package com.cosmic.conn;

import java.util.*;

public class Test {

public int add(int a, int b)

{

return a+b;

}

public List getList() {

List list = new ArrayList();

for(int i=0;i<5;i++)

{

list.add(i);

//list.add("liu"+i);

}

return list;

}

}

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