收藏
回答

cloud.uploadFile上传文件不可读?

通过base64文件转成buffer格式上传完成后确不可读,拿到的链接不能正常打开预览

var imgBase64 = "data:image/png;base64,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"
const fileContent = Buffer.from(imgBase64, "base64")
await cloud.uploadFile({
  cloudPath:"demo.png",
  fileContent,
})

上面的base64文件是一个正常可预览的png图片,通过云函数上传到云存储后就不能正常预览了

各位大佬给帮忙看看是什么原因

回答关注问题邀请回答
收藏

1 个回答

  • 少年锦时
    少年锦时
    2021-10-13

    已解决 需去掉头部base64等信息才可

    2021-10-13
    有用 1
    回复
登录 后发表内容