DIP原则:高层模块不直接依赖低层模块,二者均依赖抽象(接口/抽象类)。抽象不依赖细节,细节依赖抽象。解决痛点:
将所有的创建都交给工厂同一管理,而非开辟者手动创建,让开辟者将重心更倾向于业务代码上二、Spring <bean id="userService" scope="prototype"></bean><bean <bean id="userService" scope="prototype"></bean>id="studentService" <bean id="userService" scope="prototype"></bean> <bean id="userService" scope="prototype"></bean>factory-method="create"></bean>IoC <bean id="userService" scope="prototype"></bean><bean <bean id="userService" scope="prototype"></bean>id="studentService" <bean id="userService" scope="prototype"></bean> <bean id="userService" scope="prototype"></bean>factory-method="create"></bean>容器定义 <bean id="userService" scope="prototype"></bean><bean <bean id="userService" scope="prototype"></bean>id="studentService" <bean id="userService" scope="prototype"></bean> <bean id="userService" scope="prototype"></bean>factory-method="create"></bean>XML <bean id="userService" scope="prototype"></bean><bean <bean id="userService" scope="prototype"></bean>id="studentService" <bean id="userService" scope="prototype"></bean> <bean id="userService" scope="prototype"></bean>factory-method="create"></bean>设置文件
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