phalcon - Dependency Injection依赖注入 和 自动加载 各自的优缺点
最近看了下 phalcon, 他使用的是di 依赖注入方法, 但是感觉还没有设定一个规则自动加载 来的方便呢, 不知道大家怎么看,想知道这两个之间 实质的优缺点
回复内容:
最近看了下 phalcon, 他使用的是di 依赖注入方法, 但是感觉还没有设定一个规则自动加载 来的方便呢, 不知道大家怎么看,想知道这两个之间 实质的优缺点
自动加载的本质是 http://php.net/manual/zh/function.spl-autoload-register.php 推荐的规范参考http://www.php-fig.org/ PSR-0 PSR-4
di依赖注入参考
- PHP程序员如何理解IoC/DI
- PHP程序员如何理解依赖注入容器(dependency injection container)
ioc 是为了解耦。 但是不管怎么解耦,项目中加载类的时候,都是需要根据一定的规则去做自动加载。
解耦是为了方便随时替换某个类的具体实现,ioc容器更是方便了使用某个服务类时的初始化操作。
参考文章 http://www.yuansir-web.com/?p=1012&preview=true
两个是两码事

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