微信小程序 获取元素高度(获取元素节点信息)
如果高度要px单位的话:
let query = wx.createSelectorQuery();
query.select('.content').boundingClientRect(rect=>{
let height = rect.height;
console.log(height);
}).exec();
如果高度要rpx单位的话,那么可以用宽高比换算获得:(以下的750是该元素的宽度,单位是rpx的)
let query = wx.createSelectorQuery();
query.select('.content').boundingClientRect(rect=>{
let clientHeight = rect.height;
let clientWidth = rect.width;
let ratio = 750 / clientWidth;
let height = clientHeight * ratio;
console.log(height);
}).exec();
关于获取屏幕视口高度,请查看该文章:《微信小程序 简单获取屏幕视口高度》