<scroll-view         scroll-y         scroll-with-animation         class="scroll-view scroll-view-content"         @scroll="viewScroll"         :scroll-top='scrollTop'         :scroll-into-view="scrollIntoViewId"         enable-passive       > ... <component @changeTab="changeTab"> <view :id="scrollIntoViewId"></view> </component>      </scroll-view> ... <script>     data() {       return { ...         scrollIntoViewId: "",       };     }, methods:{ changeTab(value) {     this.scrollIntoViewId = value;//另一个页面通过$emit传过来的值，可以取到    }, } </script>