web 开发常用网站

================   UI   ===================

JSP: http://java.sun.com/products/jsp/download.html

Servlet: http://java.sun.com/products/servlet/download.html

J2EE: http://java.sun.com/j2ee/blueprints/

ExtJs: www.extjs.com

================   WEB Server  ===================

Tomcat: http://tomcat.apache.org/

================   UNIX Server  ===================

Perl-DB: http://dbi.perl.org/