此文章是基于 搭建Jquery+SpringMVC+Spring+Hibernate+MySQL平台
一. jar包介绍
1. dwr-3.0.1.jar，支持 spring 4.3.4 的最低版本
二. 相关文件介绍
1. web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:web="http://xmlns.jcp.org/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_4.xsd
http://xmlns.jcp.org/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
version="2.4"> <servlet>
<servlet-name>dwr-invoker</servlet-name>
<servlet-class>org.directwebremoting.spring.DwrSpringServlet</servlet-class>
<init-param>
<param-name>debug</param-name>
<param-value>false</param-value>
</init-param>
<init-param>
<param-name>crossDomainSessionSecurity</param-name>
<param-value>false</param-value>
</init-param>
<init-param>
<param-name>allowScriptTagRemoting</param-name>
<param-value>true</param-value>
</init-param>
<load-on-startup>3</load-on-startup>
</servlet> <servlet-mapping>
<servlet-name>dwr-invoker</servlet-name>
<url-pattern>/dwr/*</url-pattern>
</servlet-mapping> </web-app>
2. applicationContextSys.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:context="http://www.springframework.org/schema/context" xmlns:dwr="http://www.directwebremoting.org/schema/spring-dwr"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
http://www.directwebremoting.org/schema/spring-dwr http://www.directwebremoting.org/schema/spring-dwr-3.0.xsd"> <dwr:annotation-config id="dwrid"/>
<dwr:annotation-scan scanRemoteProxy="true" base-package="com.ims.service.sys.impl" />
</beans>
3. TestBSImpl.java
package com.ims.service.sys.impl; import org.directwebremoting.annotations.RemoteMethod;
import org.directwebremoting.annotations.RemoteProxy; import com.ims.service.sys.TestBS; @RemoteProxy(name="testBS")
public class TestBSImpl implements TestBS{ @RemoteMethod
public String sayHello(){
return "hello!";
}
}
4. dwr.jsp
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>dwr访问测试</title>
<%@ include file="/common/basePath.jsp"%>
</head>
<body>
~~~~~~~~~~~~~~~~~~~~~~dwr访问测试~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<br><br>
<button type="button" onclick="sayHello();">你好</button> <script type="text/javascript" src="dwr/engine.js"></script>
<script type="text/javascript" src="dwr/util.js"></script>
<script type="text/javascript" src="dwr/interface/testBS.js"></script> <script type="text/javascript">
function sayHello(){
dwr.engine.beginBatch();
testBS.sayHello(function(value){
alert(value);
});
dwr.engine.endBatch();
}
</script> </body>
</html>
三. 测试
访问：http://localhost:8080/ims/test/dwr.do
点击按钮，会到访问后台的 sayHello 函数，弹出返回字符串的对话框