1、下载服务端jar文件和下载客户端js文件。分为两个版本，一定要引入正确，一个是tomcat7，一个是tomcat6.
3、配置 web.xml <listener> <description>Comet4J容器侦听</descr足毂忍珩iption> <listener-class>org.comet4j.core.CometAppListener</listener-class> </listener> <servlet> <description>Comet连接[默认:org.comet4j.core.CometServlet]</description> <display-name>CometServlet</display-name> <servlet-name>CometServlet</servlet-name> <servlet-class>org.comet4j.core.CometServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>CometServlet</servlet-name> <url-pattern>/conn</url-pattern> </servlet-mapping>直接粘贴就好
