原文：practical php patterns: chain of responsibility 作者：giorgio
链接：http://giorgiosironi.blogspot.com/2010/02/practical-php-patterns-chain-of.html
http://www.bkjia.com/phpjc/445904.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/445904.htmltecharticle【php100独家特稿】在上期的《 原文：practical php patterns: chain of responsibility 作者：giorgio 链接： http://giorgiosironi.blogspot.com/2010/02/practical-php-...