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<web-app version="2.5"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>



<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"& ......

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using System;
using System.Collections;
using System.Web;
using System.Web.Services;
using System.Web.Service ......

AjaxÈëÃÅÀý×Ó

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var username = document.getElementById("username").value;
if(window.XMLHttpRequest)
{
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xhrobj = new XMLHttpRequest();
/ ......

AJAXʵ¼ùDWRƪ

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