微信小程序中绘制二维码然后下载
下面是代码片段var QR = require("../../utils/scqrcode.js");codeUrl: 'https://c.djiplant.com/qcode/?scene=', //跳转路径that.createQrCode(codeUrl, "canvas", 176, 176); //路径，canvasid,宽高createQrCode(url, canvasId, cavW, cavH, left, top) { /
