js頁面
//創建節點選擇器
var query = wx.createSelectorQuery();
//選擇id
var that = this;
query.select('.every').boundingClientRect(function (rect) {
// console.log(rect.width)
that.setData({
height: rect.width + 'px'
})
}).exec();
wxml頁面
<view class='every' style='height:{{height}}'></view>
原文鏈接：https://blog.csdn.net/qq_35181466/article/details/80701767