視圖容器scroll-view :官方文檔 Demo Code var order = ['red', 'yellow', 'blue', 'green', 'red'] Page({ data: { toView: 'red', scrollTop: 100 }, upper: function( ...
視圖容器scroll-view :官方文檔
Demo Code
var order = ['red', 'yellow', 'blue', 'green', 'red'] Page({ data: { toView: 'red', scrollTop: 100 }, upper: function(e) { console.log(e) }, lower: function(e) { console.log(e) }, scroll: function(e) { console.log(e) }, tap: function(e) { for (var i = 0; i < order.length; ++i) { if (order[i] === this.data.toView) { this.setData({ toView: order[i + 1] }) break } } }, tapMove: function(e) { this.setData({ scrollTop: this.data.scrollTop + 10 }) } })JS
<view class="section"> <view class="section__title">vertical scroll</view> <scroll-view scroll-y="true" style="height: 200px;" bindscrolltoupper="upper" bindscrolltolower="lower" bindscroll="scroll" scroll-into-view="{{toView}}" scroll-top="{{scrollTop}}"> <view id="green" class="scroll-view-item bc_green"></view> <view id="red" class="scroll-view-item bc_red"></view> <view id="yellow" class="scroll-view-item bc_yellow"></view> <view id="blue" class="scroll-view-item bc_blue"></view> </scroll-view> <view class="btn-area"> <button size="mini" bindtap="tap">click me to scroll into view </button> <button size="mini" bindtap="tapMove">click me to scroll</button> </view> </view> <view class="section section_gap"> <view class="section__title">horizontal scroll</view> <scroll-view class="scroll-view_H" scroll-x="true" style="width: 100%"> <view id="green" class="scroll-view-item_H bc_green"></view> <view id="red" class="scroll-view-item_H bc_red"></view> <view id="yellow" class="scroll-view-item_H bc_yellow"></view> <view id="blue" class="scroll-view-item_H bc_blue"></view> </scroll-view> </view>WXML
.bc_green{ background-color: green; } .bc_red{ background-color: red; } .bc_yellow{ background-color: yellow; } .bc_blue{ background-color: blue; } .scroll-view-item{ height: 100px; } .scroll-view_H{ height: 100px; white-space: nowrap; display: flex; } .scroll-view-item_H{ height: 100px; width: 200px; display: inline-block; }WXSS