欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页

DWR3嵌入一个外部页面

程序员文章站 2022-06-09 10:06:17
...
applicationContext.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:dwr="http://www.directwebremoting.org/schema/spring-dwr"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
http://www.directwebremoting.org/schema/spring-dwr    
http://www.directwebremoting.org/schema/spring-dwr-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd"
	default-autowire="byName" default-lazy-init="true">

	<description>Spring公共配置</description>

	<!-- 启用 annotation 配置模式 -->
	<context:annotation-config />

	<!-- 使用annotation 自动注册bean,并保证@Required,@Autowired的属性被注入 -->
	<context:component-scan base-package="com.wpms.user.*" />

	<!-- DWR 配置 BEGIN  -->
	<!-- 启动 DWR 注解配置模式 -->
	<dwr:configuration />
	<dwr:annotation-config />
	<dwr:url-mapping />
	<!-- 开启dubug状态 -->
	<dwr:controller debug="true" />
	<!-- DWR 配置 END-->
</beans>


web.xml

<?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">


	<!-- spring config url start-->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>
			classpath*:config/dwr3/applicationContext.xml
		</param-value>
	</context-param>
	<!-- spring config url end-->

	<!-- 著名的 Character Encoding filter -->
	<filter>
		<filter-name>encodingFilter</filter-name>
		<filter-class>
			org.springframework.web.filter.CharacterEncodingFilter
		</filter-class>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>UTF-8</param-value>
		</init-param>
	</filter>
	<!--Hibernate Open Session in View Filter-->
	<!-- 假设在你的应用中Hibernate是通过spring 来管理它的session.如果在你的应用中没有使用OpenSessionInViewFilter
		或者OpenSessionInViewInterceptor。session会在transaction结束后关闭,此时会抛出session is close 的异常-->


	<!-- struts2 start-->
	<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>
	<!-- struts2 end -->

	<!-- 过滤器映射 -->

	<filter-mapping>
		<filter-name>encodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>



	<!-- dwr配置 -->
	<servlet>
		<servlet-name>dwr</servlet-name>
		<servlet-class>
			org.directwebremoting.spring.DwrSpringServlet
		</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>

	<!--Spring ApplicationContext 载入    -->
	<listener>
		<listener-class>
			org.springframework.web.context.ContextLoaderListener
		</listener-class>
	</listener>

	<!-- 扩展spring bean的作用域有request,session,global session等-->
	<listener>
		<listener-class>
			org.springframework.web.context.request.RequestContextListener
		</listener-class>
	</listener>

	<!-- Spring 刷新Introspector防止内存泄露 -->
	<listener>
		<listener-class>
			org.springframework.web.util.IntrospectorCleanupListener
		</listener-class>
	</listener>

	<!-- 开始页面 -->
	<welcome-file-list>
		<welcome-file>index.html</welcome-file>
	</welcome-file-list>

	<error-page>
		<error-code>404</error-code>
		<location>/pagenotfound.jsp</location>
	</error-page>
	<error-page>
		<exception-type>java.lang.Exception</exception-type>
		<location>/error.jsp</location>
	</error-page>



struts.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>
	<include file="struts-default.xml" />
	<package name="default" extends="struts-default">

	</package>
</struts>


HTML source:
<head>
	<title>DWR Test</title>
	<script type='text/javascript' src='http://localhost:8080/wpms/dwr/interface/UserController.js'></script>
	<script type='text/javascript' src='http://localhost:8080/wpms/dwr/engine.js'></script>
	<script type='text/javascript' src='http://localhost:8080/wpms/dwr/util.js'></script>
</head>
<script type='text/javascript'>
	function update() {
		var name = dwr.util.getValue("demoName");
		UserController.getUserName(name, reply0);
	}
	var reply0=function(data) {
		dwr.util.setValue("forward", data, { escapeHtml:false });
	}
</script>
<p>
	String:
	<input type="text" id="demoName" />
	<input value="Send" type="button" onclick="update()" />
	<br />
	Reply:
<div id="forward"></div>
</p>


UserController.java
import java.io.IOException;
import javax.servlet.ServletException;
import org.directwebremoting.WebContext;
import org.directwebremoting.WebContextFactory;
import org.directwebremoting.annotations.RemoteMethod;
import org.directwebremoting.annotations.RemoteProxy;
import org.springframework.stereotype.Controller;
@Controller
@RemoteProxy
public class UserController {

	public String getUserName(String id) throws ServletException, IOException {
		System.out.println("id=" + id);
		WebContext wctx = WebContextFactory.get();
		return wctx.forwardToString("/my/forward.html");
	}
}