PHP中的服务容器与依赖注入的思想

知其黑、受其白发布时间：2022-08-31 17:33:30 ，浏览量：6

阅读目录

依赖注入
- 业务中常用的通知模块举例
服务容器
- bind
- make

依赖注入

当A类需要依赖于B类（比如：控制器类调用Redis类实现Redis操作，就是控制器依赖Redis实现Redis操作。），也就是说需要在A类中实例化B类的对象来使用时候，如果B类中的功能发生改变，也会导致A类中使用B类的地方也要跟着修改，导致A类与B类高耦合。

这个时候解决方式是，A类应该去依赖B类的接口，把具体的类的实例化交给外部。

业务中常用的通知模块举例


    
        



        
        
            
                
                
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