<template>
<view>
<!-- -->
<swiper :interval="interval1"></swiper>
<!-- -->
<optioncard></optioncard>
<!-- -->
<lessonlist></lessonlist>
</view>
</template>
there are 3 custom components in a page, 3 components should appear in parallel on the page, and there is no parent-child relationship. Click the button in the
tab to send data aRom 1 to the course list. How should this be done?