在struts2中利用ajax进行服务器验证
struts2内置对ajax支持。。所以可以很方便的应用中使用ajax，struts2是基于了dwr 和dojo的。。我现在用的struts2.0.11只支持到dwr 1.1.2。还不支持2.05版本。。。下面在上篇blog基础上使用ajax进行验证.1.配置dwr的核心servlet，修改web.xml
<div style="border-right: #cccccc 1px solid; padding-right: 5px; border-top: #cccccc 1px solid; padding-left: 4px; font-size: 13px; padding-bottom: 4px; border-left: #cccccc 1px solid; width: 98%; padding-top: 4px; border-bottom: #cccccc 1px solid; background-color: #eeeeee;">http://www.blogjava.net/Images/OutliningIndicators/None.gif<?xml version="1.0" encoding="GBK"?>
http://www.blogjava.net/Images/OutliningIndicators/None.gif<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
http://www.blogjava.net/Images/OutliningIndicators/None.gif xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
http://www.blogjava.net/Images/OutliningIndicators/None.gif xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
http://www.blogjava.net/Images/OutliningIndicators/None.gif
http://www.blogjava.net/Images/OutliningIndicators/None.gif
http://www.blogjava.net/Images/OutliningIndicators/None.gif <!-- 定义Struts2的FilterDispathcer的Filter -->
http://www.blogjava.net/Images/OutliningIndicators/None.gif <filter>
http://www.blogjava.net/Images/OutliningIndicators/None.gif <filter-name>struts2</filter-name>
http://www.blogjava.net/Images/OutliningIndicators/None.gif <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
http://www.blogjava.net/Images/OutliningIndicators/None.gif </filter>
http://www.blogjava.net/Images/OutliningIndicators/None.gif
http://www.blogjava.net/Images/OutliningIndicators/None.gif <!-- FilterDispatcher用来初始化struts2并且处理所有的WEB请求。 -->
http://www.blogjava.net/Images/OutliningIndicators/None.gif <filter-mapping>
http://www.blogjava.net/Images/OutliningIndicators/None.gif <filter-name>struts2</filter-name>
http://www.blogjava.net/Images/OutliningIndicators/None.gif <url-pattern>/*</url-pattern>
http://www.blogjava.net/Images/OutliningIndicators/None.gif </filter-mapping>
http://www.blogjava.net/Images/OutliningIndicators/None.gif <servlet>
http://www.blogjava.net/Images/OutliningIndicators/None.gif <servlet-name>dwr</servlet-name>
http://www.blogjava.net/Images/OutliningIndicators/None.gif <servlet-class>uk.ltd.getahead.dwr.DWRServlet</servlet-class>
http://www.blogjava.net/Images/OutliningIndicators/None.gif <init-param>
http://www.blogjava.net/Images/OutliningIndicators/None.gif <param-name>debug</param-name>
http://www.blogjava.net/Images/OutliningIndicators/None.gif <param-value>true</param-value>
http://www.blogjava.net/Images/OutliningIndicators/None.gif </init-param>
http://www.blogjava.net/Images/OutliningIndicators/None.gif </servlet>
http://www.blogjava.net/Images/OutliningIndicators/None.gif
http://www.blogjava.net/Images/OutliningIndicators/None.gif <servlet-mapping>
http://www.blogjava.net/Images/OutliningIndicators/None.gif <servlet-name>dwr</servlet-name>
http://www.blogjava.net/Images/OutliningIndicators/None.gif <url-pattern>/dwr/*</url-pattern>
http://www.blogjava.net/Images/OutliningIndicators/None.gif </servlet-mapping>
http://www.blogjava.net/Images/OutliningIndicators/None.gif
http://www.blogjava.net/Images/OutliningIndicators/None.gif</web-app>
http://www.blogjava.net/Images/OutliningIndicators/None.gif
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