微信小程序 rpx 转 px

前言

略

rpx 转 px

let query = wx.createSelectorQuery();
query.selectViewport().boundingClientRect(function(res){
  let rpx2Px = 1 * (res.width/750);
  console.log("1rpx = " + rpx2Px + "px");
});
query.exec();

参考

https://blog.csdn.net/qq_39702981/article/details/84615669
https://developers.weixin.qq.com/miniprogram/dev/framework/view/selector.html
https://developers.weixin.qq.com/miniprogram/dev/api/wxml/SelectorQuery.selectViewport.html
https://developers.weixin.qq.com/miniprogram/dev/api/wxml/NodesRef.boundingClientRect.html