小程序开发之实现楼层锚点跳跃实例详解

微信小程序实现楼层锚点跳跃，点击不同的锚点进行位置跳跃：

利用：scroll-into-view 来实现

效果图如下：

WXML:

<scroll-view class="content" scroll-into-view="{{toView}}" scroll-y="true" scroll-with-animation="true">    <view wx:for="{{act_addList}}">     <view class="address_top" id="{{ 'inToView'+item.id}}">{{item.region}}</view>     <view wx:for="{{item.city}}">      <view class="address_bottom">{{item.name}}</view>     </view>    </view>   </scroll-view>   <view class="orientation_region">    <view class="orientation">自动定位</view>    <block wx:for="{{orientationList}}" >     <view class="orientation_city" bindtap="scrollToViewFn" data-id="{{item.id}}">{{item.region}}</view>    </block>   </view>

WXSS:

page{ height: 100%;}   .content{padding-bottom: 20rpx; box-sizing: border-box; height: 100%;}   .location{width: 100%;}   .location_top{height: 76rpx;line-height: 76rpx; background: #f4f4f4;color: #606660;font-size: 28rpx;padding: 0 20rpx;}   .location_bottom{height: 140rpx;line-height: 140rpx;color: #d91f16;font-size: 28rpx;border-top: 2rpx #ebebeb solid; border-bottom: 2rpx #ebebeb solid;padding: 0 20rpx; align-items: center;display: -webkit-flex;}   .address_top{height: 76rpx;line-height: 76rpx; background: #f4f4f4;color: #999999;font-size: 28rpx;padding: 0 20rpx;}   .address_bottom{height: 88rpx;line-height: 88rpx; background: #fff;color: #000000;font-size: 32rpx;padding: 0 20rpx; border-bottom: 2rpx #ebebeb solid;margin-left: 20rpx;margin-right: 50rpx; }   .location_img{width: 48rpx;height: 48rpx;position: absolute;right: 20rpx;top: 125rpx;}   .add_city{width: 228rpx;height: 60rpx;line-height: 60rpx; text-align: center; border: 2rpx solid #ebebeb; color: #000000;margin-right: 20rpx; }   .add_citying{width: 228rpx;height: 60rpx;line-height: 60rpx; text-align: center; border: 2rpx solid #09bb07; color: #09bb07;margin-right: 20rpx;}   .orientation{white-space:normal;display: inline-block; width: 55rpx;height:58rpx; color: #999; text-align: center;}   .orientation_region{ width: 55rpx;font-size: 20rpx;position: fixed;top: 220rpx; right: 0rpx;}   .orientation_city{height: 50rpx; line-height: 50rpx;color: #000;text-align: center;}

JS:

Page({    /**     * 页面的初始数据     */    data: {     orientationList: [      { id: "01", region: "东北" },      { id: "02", region: "华北" },      { id: "03", region: "华东" },      { id: "04", region: "华南" },      { id: "05", region: "华中" },      { id: "06", region: "西北" },      { id: "07", region: "西南" }     ],     act_addList: [      {       id: "01", region: "东北地区",       city: [{ id: "0101", name: "白山江源" },       { id: "0102", name: "白山市" },       { id: "0103", name: "宾县" },       { id: "0104", name: "大庆" },       { id: "0105", name: "测试1" },       { id: "0106", name: "测试2" },       { id: "0107", name: "测试3" },       { id: "0108", name: "测试4" },       { id: "0109", name: "测试5" },       { id: "0110", name: "测试6" },       ]      },      {       id: "02", region: "华北地区",       city: [{ id: "0201", name: "包头" },       { id: "0202", name: "保定" },       { id: "0206", name: "测试2" },       { id: "0207", name: "测试3" },       { id: "0208", name: "测试4" },       { id: "0209", name: "测试5" },       { id: "0210", name: "测试6" },       ]      },      {       id: "03", region: "华东地区",       city: [{ id: "0303", name: "开封市" },       { id: "3104", name: "安阳市" },]      },      {       id: "04", region: "华南地区",       city: [        { id: "0401", name: "黑龙江市" },        { id: "0407", name: "测试3" },        { id: "0508", name: "测试4" },        { id: "0609", name: "测试5" },        { id: "0710", name: "测试6" },        { id: "0711", name: "测试8" },        { id: "0712", name: "测试9" },        { id: "0713", name: "测试10" },        { id: "0714", name: "测试11" },       ]      },      { id: "05", region: "华中地区", city: [{ id: "0501", name: "黑龙江市" }] },      {       id: "06", region: "西北地区",       city: [{ id: "0603", name: "开封市" },       { id: "0604", name: "安阳市" },]      },      {       id: "07", region: "西南地区",       city: [{ id: "0703", name: "开封市" },       { id: "0704", name: "安阳市" },       { id: "0401", name: "黑龙江市" },       { id: "0407", name: "测试3" },       { id: "0508", name: "测试4" },       { id: "0609", name: "测试5" },       { id: "0710", name: "测试6" },       { id: "0711", name: "测试8" },       { id: "0712", name: "测试9" },       { id: "0713", name: "测试10" },       { id: "0714", name: "测试11" },       { id: "0401", name: "黑龙江市" },       { id: "0407", name: "测试3" },       { id: "0508", name: "测试4" },       { id: "0609", name: "测试5" },       { id: "0710", name: "测试6" },       { id: "0711", name: "测试8" },       { id: "0712", name: "测试9" },       { id: "0713", name: "测试10" },       { id: "0714", name: "测试11" },       ]      },     ],     toView: 'inToView01',    },    scrollToViewFn: function (e) {     var _id = e.target.dataset.id;     this.setData({      toView: 'inToView' + _id     })     console.log(this.data.toView)    },    onLoad: function (options) {    }   })

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