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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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	请求信息 : 2025-09-06 18:23:45 HTTP/2.0 GET : /home/article/detail/id/437888.html
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	[2] session_save_path(): open_basedir restriction in effect. File(/var/lib/php/session) is not within the allowed path(s): (/www/wwwroot/www.chaojiit.com/:/tmp/) /www/wwwroot/www.chaojiit.com/ThinkPHP/Common/functions.php 第 1239 行.
[8192] Array and string offset access syntax with curly braces is deprecated /www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Cache/Driver/File.class.php 第 59 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 37 行.
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0.0543s