h5plus html2canvas 跨域-截取不到网络图片解决

两个都写才可以截取到网络图
crossOrigin="Anonymous"

<section id="big-content" crossOrigin="Anonymous">
    <img crossOrigin="Anonymous" src="https://www.beshtech.com//prodata/aasnew/app02/shop/20190506/4216e21d-ba06-460f-95cc-3fb87e482725.png">
    <div crossOrigin="Anonymous" id="qrcode-img"></div>
</section>

html2canvas(document.body, {
 useCORS: true，// 允许跨域
 onrendered: function(canvas) {
   document.body.appendChild(canvas);
 }
});

参考：https://www.jianshu.com/p/069739d33e02