instance code:
parent component:
<div class="parent">
</div>
<script>
data(){
return{
id:this.$route.query.id
}
}
</script>Sub-component:
<div class="children">
</div>
<script>
data(){
return{
id:this.$parent.id
}
}
</script>Why can"t you get the id of the parent component by writing like this
first: you print out the this.$parent and take a look at
second: you need to understand the vue father-son transmission worth mechanism
take a look at this
ide/components-props.html" rel=" nofollow noreferrer "> https://cn.vuejs.org/v2/guide.
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