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第65题：子组件为何不可以修改父组件传递的 Prop？ #65

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noxussj opened this issue Jun 18, 2020 · 0 comments

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noxussj commented Jun 18, 2020

单向数据流，易于监测数据的流动，出现了错误可以更加迅速的定位到错误发生的位置

处理方法

如果想要改变prop的值，可以在子组件编写一个computed属性
在子组件利用$emit传递事件给父组件，父组件监听该事件改变prop值

noxussj added the Vue label

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