获取直播间分享码的接口文档：

https://developers.weixin.qq.com/miniprogram/dev/framework/liveplayer/studio-api.html#8

通过该接口获取到分享码链接，使用 XMLHttpRequest  下载分享码失败，提示跨域问题。

has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present on the requested resource.

请问该怎么下载呢？