1.父组件将数据绑定在子组件上 ``` <template> <transition name="slide"> <music-list :songs="songs" :title="title" :bg-image="bgImage"></music-list> </transition> </template> ``` 2.子组件接受数据props ``` export default { props: { bgImage: { type: String, default: '' }, songs: { type: Array, default: () => [] }, title: { type: String, default: '' } }, } ```