1、maven添加需要的jar包
<dependencies> <dependency> <groupId>org.directwebremoting</groupId> <artifactId>dwr</artifactId> <version>3.0.M1</version> </dependency> <dependency> <groupId>commons-logging</groupId> <artifactId>commons-logging</artifactId> <version>1.1.2</version> </dependency> </dependencies>
2、配置web.xml
<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>
<!-- 加入跨域配置 -->
<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>
</servlet>
<servlet-mapping>
<servlet-name>dwr-invoker</servlet-name>
<url-pattern>/dwr/*</url-pattern>
</servlet-mapping>
3、在web.xml所在目录添加dwr.xml
<!DOCTYPE dwr PUBLIC
"-//GetAhead Limited//DTD Direct Web Remoting 3.0//EN"
"http://directwebremoting.org/schema/dwr30.dtd">
<dwr>
<allow>
<create creator="new" javascript="remote">
<param name="class" value="com.xiaobing.shopping.Remote"/>
</create>
</allow>
</dwr>
4、添加java类
package com.xiaobing.shopping; public class Remote { public String sayHello(String yourName) { return "Hello World " + yourName; } }
5、添加页面
<html>
<head>
<script type='text/javascript' src='dwr/util.js'></script>
<script type="text/javascript" src="dwr/engine.js"></script>
<!-- 上面两个直接引用不需要在项目中有 -->
<script type="text/javascript" src="dwr/interface/remote.js"></script>
<script type="text/javascript">
function firstDwr() {
remote.sayHello("Jorwen", function(data) {
alert(data);
});
}
</script>
</head>
<body onload="firstDwr();">
</body>
</html>
6、测试
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