principle 2018-02-08 【译】Understanding SOLID Principles - Liskov Substitution Principle 2018-02-08 【译】Understanding SOLID Principles - Interface Segregation Principle 2018-02-04 【译】Understanding SOLID Principles - Open Closed Principle 2018-02-02 【译】Understanding SOLID Principles - Single Responsibility 2018-01-22 【译】Understanding SOLID Principles - Dependency Inversion