增加scroll-top检测scroll触发自动检测

pages/component/scroll-view/scroll-view-props.test.js

@@ -24,6 +24,10 @@ describe('component-native-scroll-view-props', () => {
             scrollTop: 600
         })
         await page.waitFor(600)
+        //检测滚动top 是否触发scroll 事件
+        const scrollChangeTop = await page.data('scrollChangeTop')
+        console.log("scrollChangeTop="+scrollChangeTop)
+        expect(scrollChangeTop-600).toBeGreaterThanOrEqual(0)
         const element = await page.$('#scrollViewY')
         const scrollTop = await element.property("scrollTop")
         console.log("check_scroll_top---"+scrollTop)

pages/component/scroll-view/scroll-view-props.uvue

@@ -95,7 +95,8 @@
         scrollY: true,
         bounces: false,
         scrollTop: 0,
-        scrollLeft: 0,
+        scrollLeft: 0,
+        scrollChangeTop: 0,
         scrollIntoView: "",
         enableBackToTop: false,
         scrollWithAnimation: false,
@@ -171,7 +172,8 @@
       scrolltolower() {
         console.log("滚动到底部");
       },
-      scroll(e : ScrollEvent) {
+      scroll(e : ScrollEvent) {
+        this.scrollChangeTop = e.detail.scrollTop
         console.log("scroll-top : " + e.detail.scrollTop + " scroll-left : " + e.detail.scrollLeft);
       },
       scrollend() {