拍照上传

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虚拟机无法获取摄像头，需真机调试

（1）Info.plist配置
由于苹果安全策略更新，在使用Xcode8开发时，需要在Info.plist配置请求照片相的关描述字段（Privacy - Photo Library Usage Description）,（Privacy - Camera Usage Description）

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import UIKit
import Photos
import AVFoundation
import MobileCoreServices
import CryptoSwift
import Alamofire
import SwiftyJSON

class ViewController: UIViewController, UIImagePickerControllerDelegate,
UINavigationControllerDelegate {
    override func viewDidLoad() {
        super.viewDidLoad()
    }

    @IBOutlet var takephotos: [UIButton]!

   @IBAction func openCamera(){
        
        //打开相册
        let pickImageController:UIImagePickerController=UIImagePickerController.init()
        
        if  UIImagePickerController.isSourceTypeAvailable(UIImagePickerControllerSourceType.photoLibrary){
            
            //获取相册权限
            
            PHPhotoLibrary.requestAuthorization({ (status) in
                
                switch status {
      
                case .notDetermined: break
                    
                case .restricted://此应用程序没有被授权访问的照片数据

                    break
                    
   
                case .denied://用户已经明确否认了这一照片数据的应用程序访问
                    
                    break
                    
                case .authorized://已经有权限
                    
                    break

                }
                
            })
            
        }
        
        
        
        
        
        //打开相机拍照
        
        if UIImagePickerController.isSourceTypeAvailable(UIImagePickerControllerSourceType.camera){
            
            AVCaptureDevice.requestAccess(for: AVMediaType.video, completionHandler: { (ist) in
                
                let status:AVAuthorizationStatus=AVCaptureDevice.authorizationStatus(for: AVMediaType.video)
                
                if status==AVAuthorizationStatus.authorized {//获得权限
                    
                    //跳转到相机或者相册
                    
                    pickImageController.delegate=self as UIImagePickerControllerDelegate & UINavigationControllerDelegate
                    
                    pickImageController.allowsEditing = true
                    
                    pickImageController.sourceType = UIImagePickerControllerSourceType.camera;
                    
                    //弹出相册页面或相机
                    
                    self.present(pickImageController, animated: true, completion: {
                        
                        
                        
                    })
                    
                    
                    
                    
                    
                }else if (status==AVAuthorizationStatus.denied)||(status==AVAuthorizationStatus.restricted) {
                    
                    
                    
                    
                    
                }
                
            })
            
        }
        
        
        
    }
    
    func gotoSetting(){
        
        let alertController:UIAlertController=UIAlertController.init(title: "去设置", message: "设置-》通用-》", preferredStyle: UIAlertControllerStyle.alert)
        
        
        
        let sure:UIAlertAction=UIAlertAction.init(title: "去开启权限", style: UIAlertActionStyle.default) { (ac) in
            
            let url=URL.init(string: UIApplicationOpenSettingsURLString)
            
            if UIApplication.shared.canOpenURL(url!){
                
                UIApplication.shared.open(url!, options: [:], completionHandler: { (ist) in
                    
                    
                    
                })
                
            }
            
        }
        
        alertController.addAction(sure)
        
        self.present(alertController, animated: true) {
            
            
            
        }
        
    }

            

//图片上传代码内容，请参考相册上传 photopost

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作者：刘俊龙
信息录入:刘俊龙