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vue3中如何实现触发点击事件时，改变子组件的值？

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vue3中如何实现触发点击事件时，改变子组件的值？

最近在学习vue3的知识，看到了provide和inject，想请教下如何能实现父组件中的一个按钮触发点击事件时，改变子组件的值？
我试着把provide写到了点击事件中，会出现下面的警告
image.png
那么怎么样才能实现呢？


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by (71.8m points)

如果是子组件的props，直接在父组件里面修改就可以了。
如果是组件的setup返回的值，还是用ref取得子组件的引用进行修改。

警告的意思是provide必须在setup函数中使用，你可以去看下vue3 composition API


与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
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