配置描述 在Info.plist文件中,新建一个键值对Privacy - Camera Usage Description(或者NSCameraUsageDescription),值为申请描述说明,自定义的 申请 然后在需要申请的文件中导入AVFoundation import AVFoundation 然后进行申请即可: AVCaptureDevice.requestAccess(for: AVMediaType.video, completionHandler: {finished inprint(finished.description)})