1.tomcat配置如下配置，可以在服务器压缩文件后传输客户端（js，css等）

 <Connector port="8080" URIEncoding="UTF-8" protocol="HTTP/1.1" 

         connectionTimeout="20000"  redirectPort="8443"

compression="2"

noCompressionUserAgents="gozilla, traviata" compressableMimeType="text/html,text/javascript,text/css,application/json,text/plain,application/javascript"/> 

2.开发时引用extjs的bootstrap.js，发布时记得替换成精简的lib包ext-all.js. 

3.引用模板在ProjectTpl/index.jsp 

4.