uni-app引入使用uView

yudao-ui-app/uni_modules/uview-ui/components/u-scroll-list/nvue.js

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+// 引入bindingx，此库类似于微信小程序wxs，目的是让js运行在视图层，减少视图层和逻辑层的通信折损
+const BindingX = uni.requireNativePlugin('bindingx')
+
+export default {
+    methods: {
+        // 此处不写注释，请自行体会
+        nvueScrollHandler(e) {
+            const anchor = this.$refs['u-scroll-list__scroll-view'].ref
+            const element = this.$refs['u-scroll-list__indicator__line__bar'].ref
+            const scrollLeft = e.contentOffset.x
+            const contentSize = e.contentSize.width
+            const { scrollWidth } = this
+            const barAllMoveWidth = this.indicatorWidth - this.indicatorBarWidth
+            // 在安卓和iOS上，需要除的倍数不一样，iOS需要除以2
+            const actionNum = uni.$u.os() === 'ios' ? 2 : 1
+            const expression = `(x / ${actionNum}) / ${contentSize - scrollWidth} * ${barAllMoveWidth}`
+            BindingX.bind({
+                anchor,
+                eventType: 'scroll',
+                props: [{
+                    element,
+                    property: 'transform.translateX',
+                    expression
+                }]
+            })
+        }
+    }
+}