DWR + ssh2 项目实例

搭建步骤:
1. dwr.jar (现将dwr的jar包,到到项目的lib 目录下)
2. dwr.xml (在WEB-INF 目录下创建 dwr.xml 文件)
3. web.xml的配置
4. 页面的引入

(一)dwr.xml怎么写
<!DOCTYPE dwr PUBLIC
"-//GetAhead Limited//DTD Direct Web Remoting 2.0//EN"
"http://getahead.ltd.uk/dwr/dwr20.dtd">
<dwr>
<allow>
<create creator="spring" javascript="DWRques1" scope="application">
<param name="beanName" value="userinfoAction"/>
</create>
<convert converter="bean" match="com.gaojunwei.pojo.Userinfo"/>
</allow>
</dwr>

(二) web.xml的怎么配置
<?xml version="1.0" encoding="UTF-8"?>
<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">
<welcome-file-list>
<welcome-file>dwr02.jsp</welcome-file>
</welcome-file-list>
<!-- 对Spring容器进行实例化 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>

<!--
(必须放在Struts2之前才能起作用)
组合开发中OpenSessionInView问题
关闭所有Action中的Session
-->

<filter>
<filter-name>lazyLoadingFilter</filter-name>
<filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>lazyLoadingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>




<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>

<!--DWR Servlet config -->
<servlet>
<servlet-name>dwr-invoker</servlet-name>
<servlet-class>org.directwebremoting.servlet.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>


</web-app>

(三)页面怎么引入
<!-- DWR测试 -->
<script type='text/javascript' src='<%=path%>/dwr/interface/DWRques1.js'></script>
<script type='text/javascript' src='<%=path%>/dwr/util.js'></script>
<script type='text/javascript' src='<%=path%>/dwr/engine.js'></script>
<script language="javascript" type="text/javascript">
function hhh(){
DWRques1.getuserinfo(hhh2);
}
function hhh2(userinfo){
alert(userinfo.id+","+userinfo.names+","+userinfo.pwd);
}
</script>

</head>

<body>
<input type="button" value="DWR测试" onclick="hhh();">
</body>

这样就行啦!!!加油哦

可能遇到的问题:
1.)session error!
需要在web.xml文件中添加如下配置:

<servlet>
<servlet-name>dwr-invoker</servlet-name>
<servlet-class>org.directwebremoting.servlet.DwrServlet</servlet-class>
<init-param>
<param-name>debug</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>crossDomainSessionSecurity</param-name>
<param-value>false</param-value>
</init-param>
</servlet>

原文出自:[url]http://blog.youkuaiyun.com/sully2008/article/details/6755660[/url]
评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值