****************************Dwr2.0****ajax框架**************************
Dwr→divect web remote :直接远程方法调用
1. 导入jar包(dwr.jar)
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>
</servlet>
<servlet-mapping>
<servlet-name>dwr-invoker</servlet-name>
<url-pattern>/dwr/*</url-pattern>
</servlet-mapping>
3. 建立dwr.xml文件,web.xml同级目录(web_inf)目录下面建立。
dwr.xml中的内容:
<!DOCTYPE dwr PUBLIC "-//GetAhead Limited//DTD Direct Web Remoting 1.0//EN"
"http://www.getahead.ltd.uk/dwr/dwr10.dtd">
<dwr>
<allow>
<create creator="new" javascript="随便取个名字">
<param name="class" value="包名.类名" />
</create>
</allow>
</dwr>
4.在head之间导入js
<script type='text/javascript' src='dwr/interface/在dwr.xml随便取的那个名字.js'></script>
<script type='text/javascript' src='dwr/engine.js'></script>
<script type='text/javascript' src='dwr/util.js'></script>