前端生产id，uuid

export const uuid = () => {
  const temp_url = URL.createObjectURL(new Blob())
  const uuid = temp_url.toString()
  URL.revokeObjectURL(temp_url) //释放这个url
  return uuid.substring(uuid.lastIndexOf('/') + 1)
}

示例：

uuid() // a640be34-689f-4b98-be77-e3972f9bffdd