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-...