Swift 3 实现拍照功能

<key>NSCameraUsageDescription</key>
<String>This app will use camera.</String>

<key>NSPhotoLibraryUsageDescription</key>
<String>You can SELEct photos to attach to reports.</String>

UINavigationControllerDelegate

UIImagePickerControllerDelegate

class yourController:...,UINavigationControllerDelegate,UIImagePickerControllerDelegate  {
...


}

@IBACtion func your_take_photo_action(_ sender: UIButton) {
        imagePicker =  UIImagePickerController()
        imagePicker.delegate = self
        imagePicker.sourCEType = .camera
        present(imagePicker,animated: true,completion: nil)
    }

@IBACtion func save(_ sender: AnyObject) {
        UIImageWriteToSavedPhotosAlbum(imageTake.image!,self,#SELEctor(image(_:didFinishSavingWithError:contexTinfo:)),nil)
    }

func image(_ image: UIImage,didFinishSavingWithError error: Error?,contexTinfo: UnsafeRawPointer) {
        if let error = error {
            // we got BACk an error!
            let ac = UIAlertController(title: "Save error",message: error.localizedDescription,preferredStyle: .alert)
            ac.addAction(UIAlertAction(title: "OK",style: .default))
            present(ac,animated: truE)
        } else {
            let ac = UIAlertController(title: "Saved!",message: "Your altered image has been saved to your photos.",animated: truE)
        }
    }


    //MARK: - Done image capture here
    func imagePickerController(_ picker: UIImagePickerController,didFinishPickingMediaWithInfo info: [String : Any]) {
         imagePicker.dismiss(animated: true,completion: nil)
        imageTake.image = info[UIImagePickerControllerOriginalImage] as? UIImage
    }

func UIImgToBase64(img:UIImagE) ->String{
        let imageData:NSData = UIImagePNGRepresentation(img)! as NSData
        let strBase64 = imageData.base64EncodedString(options: .lineLength64Characters)
        return strBase64
    }