DWR 实现单向聊天【一：配置问题】 功能登录显示登录用户【无数据库操作】
开始准备工作一：
一：需导入开发包 commons-logging-1.0.4.jar 、log4j-1.2.11.jar 、dwr.jar
二：在web.xml 中配置如下：
<servlet> <servlet-name>dwr-invoke</servlet-name> <servlet-class> org.directwebremoting.servlet.DwrServlet </servlet-class> <init-param> <param-name>debug</param-name> <param-value>true</param-value> </init-param> <init-param> <param-name>activeReverseAjaxEnabled</param-name> <param-value>true</param-value> </init-param> <init-param> <param-name> org.directwebremoting.event.ScriptSessionListener </param-name> <param-value> com.dwr.ScriptSessionListenerImpl </param-value> </init-param> <init-param> <param-name> * </param-name> <param-value>*</param-value> </init-param> <load-on-startup>0</load-on-startup> </servlet> <servlet> <description>This is the description of my J2EE component </description> <display-name>This is the display name of my J2EE component </display-name> <servlet-name>ExitGameServlet</servlet-name> <servlet-class>com.servlets.ExitGameServlet </servlet-class> </servlet> <servlet-mapping> <servlet-name>dwr-invoke</servlet-name> <url-pattern>/dwr/*</url-pattern> </servlet-mapping><servlet-mapping> <servlet-name>ExitGameServlet</servlet-name> <url-pattern>/ExitGameServlet</url-pattern> </servlet-mapping>
