面向对象 on Jeanphilo Bloghttps://shio-chan-dev.github.io/jeanblog/zh/tags/%E9%9D%A2%E5%90%91%E5%AF%B9%E8%B1%A1/Recent content in 面向对象 on Jeanphilo BlogHugo -- 0.159.2zh-cnSat, 24 Jan 2026 15:42:47 +0800闭包和类的共同点：为什么它们都能“携带状态”https://shio-chan-dev.github.io/jeanblog/zh/dev/language/closures-vs-classes/Sat, 24 Jan 2026 15:42:47 +0800https://shio-chan-dev.github.io/jeanblog/zh/dev/language/closures-vs-classes/对比闭包与类的共同点与差异，解释它们如何封装状态。用多态替换 if：把流程判断变成对象职责https://shio-chan-dev.github.io/jeanblog/zh/dev/design/replace-if-with-polymorphism/Sat, 24 Jan 2026 15:42:47 +0800https://shio-chan-dev.github.io/jeanblog/zh/dev/design/replace-if-with-polymorphism/通过对象职责拆分，消除重复 if 判断。用多态替换 switch：让代码更符合开闭原则https://shio-chan-dev.github.io/jeanblog/zh/dev/design-patterns/replace-switch-with-polymorphism/Sat, 24 Jan 2026 15:42:47 +0800https://shio-chan-dev.github.io/jeanblog/zh/dev/design-patterns/replace-switch-with-polymorphism/通过策略模式消除 switch 语句，降低分支扩展成本。多继承 vs 多接口：对“正交性”的影响https://shio-chan-dev.github.io/jeanblog/zh/dev/language/multiple-inheritance-vs-interfaces-orthogonality/Sat, 24 Jan 2026 13:08:42 +0800https://shio-chan-dev.github.io/jeanblog/zh/dev/language/multiple-inheritance-vs-interfaces-orthogonality/对比多继承与多接口对正交性与复杂度的影响，并给出实践建议。为什么组合优于继承：灵活性、可测试性与演进成本https://shio-chan-dev.github.io/jeanblog/zh/dev/design-patterns/composition-over-inheritance/Sat, 24 Jan 2026 12:40:32 +0800https://shio-chan-dev.github.io/jeanblog/zh/dev/design-patterns/composition-over-inheritance/解释“组合优于继承”的工程原因，并给出可运行示例与落地步骤。