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workze/设计模式-观察者模式.md

Created April 24, 2020 06:40
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设计模式 观察者模式
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设计模式-观察者模式.md

https://juejin.im/post/5a238da56fb9a0450a6729ff

问题：对象直接有数据依赖。如何让一个对象的数据变化，及时通知到其他对象。 解决方案：数据对象持有其他所有对象的引用，双方协商数据交换方式。当数据对象数据变化，通过接口传入数据。 通过注册产生关联；通过回调传递数据。

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