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Vue $slots 对象


示例

使用 $slots 对象来检查父组件是否为 'topSlot' 提供了内容。

mounted(){
  if(this.$slots.topSlot){
    this.slotsText = "Content for the 'topSlot' slot is provided by the parent."
  }
  else {
    this.slotsText = "Content for the 'topSlot' slot is NOT provided by the parent."
  }
}
运行示例 »

定义和用法

The $slots 对象表示从父组件传递的插槽。

通过调用 this.$slots 或者调用 this.$slots.topSlot 来查看名为 'topSlot' 的特定插槽,可以查看从父组件传递的插槽。

The $slots 对象可以用来检查父组件是否提供了插槽,就像上面的例子一样,或者用来编写渲染函数。


相关页面

Vue 教程:Vue 插槽

Vue 教程:作用域插槽

Vue 教程:Vue v-slot

Vue 参考:Vue v-slot 指令


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