symfony2 关于是否需要建立多bundle,symfony2bundle http://blog.danielribeiro.org/yes-you-can-have-low-coupling-in-a-symfony-standard-edition-application/ 这是作者一年使用后分享的经验 http://stackoverflow.com/questions/9999433/should-everything-really-be-a-bundle-in-symfony-2-x 关于解耦合讨论,比如不用symfony了,怎么让核心程序还能用