基于DWR框架的验证用户名是否存在的Ajax应用
[url]
http://hi.baidu.com/homefovever/blog/item/49d1f900c49e4782e850cd38.html[/url]
PersonDAO.java
<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>
