Qrcode 加入logo生成二维码报错

Qrcode Failed to execute 'toDataURL' on 'HTMLCanvasElement': Tainted canvases may not be exported.

问题：canvas绘制的图片地址跨域报错

解决方法：

在绘制二维码前设置图片属性

image.src = src;
image.crossOrigin = "anonymous";

或者

image.setAttribute("crossOrigin",'anonymous');