请问 wx.canvasGetImageData获取data的值全是0,如何解决?
代码片段:https://developers.weixin.qq.com/s/ZuSWWRm47vn3
参考:https://developers.weixin.qq.com/community/develop/doc/000c22a004cf308fde96c52815b800?_at=1612433967781
已解决