開啟本地相簿或開啟本地相機拍照，獲取圖片裁剪圖片，上傳圖片

加入標頭檔案

#import <MobileCoreServices/MobileCoreServices.h>
#import <AVFoundation/AVFoundation.h>
#import <AssetsLibrary/AssetsLibrary.h>

全部變數

NSString*THE_IMG_PATH;
NSString *_imageString

新增代理

<VPImageCropperDelegate,UIImagePickerControllerDelegate,UINavigationControllerDelegate
 
>

相關程式碼

#pragma mark 使用者頭像點選響應的方法，

- (void)getImageFrom{
    UIActionSheet *choiceSheet = [[UIActionSheet alloc] initWithTitle:nil delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:nil otherButtonTitles:@"拍照", @"從相簿中選取", nil];
    [choiceSheet showInView:self.view];
}

#pragma mark UIActionSheetDelegate 點選ActionSheet 選擇頭像來源相簿或者相機
 


- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {

if (buttonIndex == 0) {

// 來源相機-拍照
NSString *mediaType = AVMediaTypeVideo;
AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:mediaType];

if(authStatus == ALAuthorizationStatusRestricted ||authStatus == ALAuthorizationStatusDenied){
//不能訪問相機
 

NSLog(@"相機許可權受限");
UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"訪問相機失敗" message:@"請開啟 設定-隱私-相機 來進行設定" delegate:nil cancelButtonTitle:@"確定" otherButtonTitles:nil, nil];
[alert show];

return;

}else{
//設定可以訪問相機
if ([UIImagePickerOrCamera isCameraAvailable] && [UIImagePickerOrCamera doesCameraSupportTakingPhotos]) {

UIImagePickerController *controller = [[UIImagePickerController alloc] init];
controller.sourceType = UIImagePickerControllerSourceTypeCamera;
if ([UIImagePickerOrCamera isFrontCameraAvailable]) {

controller.cameraDevice =UIImagePickerControllerCameraDeviceFront;
}
NSMutableArray *mediaTypes = [[NSMutableArray alloc] init];
[mediaTypes addObject:(__bridge NSString *)kUTTypeImage];

controller.mediaTypes = mediaTypes;
controller.delegate = self;
[self presentViewController:controller animated:YES completion:^(void){
NSLog(@"Picker View Controller is presented");

 }];

       }

   }

} else if (buttonIndex == 1) {

//來源相簿——訪問相簿
ALAuthorizationStatus author = [ALAssetsLibrary authorizationStatus];

if (author == ALAuthorizationStatusRestricted || author ==ALAuthorizationStatusDenied) {
//設定不能訪問相簿

UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"訪問相簿失敗" message:@"請開啟 設定-隱私-照片 來進行設定" delegate:nil cancelButtonTitle:@"確定" otherButtonTitles:nil, nil];
[alert show];

}else{
//設定可以訪問相簿
if ([UIImagePickerOrCamera isPhotoLibraryAvailable]) {

UIImagePickerController *controller = [[UIImagePickerController alloc] init];

controller.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
NSMutableArray *mediaTypes = [[NSMutableArray alloc] init];
[mediaTypes addObject:(__bridge NSString *)kUTTypeImage];

controller.mediaTypes = mediaTypes;
controller.delegate = self;
[self presentViewController:controller animated:YES completion:^(void){

NSLog(@"Picker View Controller is presented");

}];
            }
        }    
    }
}

#pragma mark - 相簿導航器的 cancle的響應，退出相簿

- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {  
[picker dismissViewControllerAnimated:YES completion:^(){
//TO Do      
}];
}

//對相簿的導航條修改
#pragma mark - UINavigationControllerDelegate
- (void)navigationController:(UINavigationController *)navigationController willShowViewController:(UIViewController *)viewController animated:(BOOL)animated {

[[UIApplication  sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent];

if ([navigationController isKindOfClass:[UIImagePickerController class]] &&((UIImagePickerController *)navigationController).sourceType ==UIImagePickerControllerSourceTypePhotoLibrary) {

[[UIApplication sharedApplication] setStatusBarHidden:NO];
[[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent animated:NO];

}    
}

#pragma mark 設定相簿導航控制器的 導航模式
- (void)navigationController:(UINavigationController *)navigationController didShowViewController:(UIViewController *)viewController animated:(BOOL)animated {
- 
[[UIApplication  sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent];
}

//裁剪
#pragma mark  UIImagePickerControllerDelegate 裁剪圖片
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
//相簿退出  
[picker dismissViewControllerAnimated:YES completion:^() {

UIImage *portraitImg = [info objectForKey:@"UIImagePickerControllerOriginalImage"];     
portraitImg = [UIImagePickerOrCamera imageByScalingToMaxSize:portraitImg];

// 裁剪
VPImageCropperViewController *imgEditorVC = [[VPImageCropperViewController alloc] initWithImage:portraitImg cropFrame:CGRectMake(0, 100.0f, self.view.frame.size.width, self.view.frame.size.width) limitScaleRatio:3.0];

imgEditorVC.delegate = self;

[self presentViewController:imgEditorVC animated:YES completion:^{
// TO DO
}];        
}];
}

#pragma mark 取消裁剪
- (void)imageCropperDidCancel:(VPImageCropperViewController *)cropperViewController {

    [cropperViewController dismissViewControllerAnimated:YES completion:^{
    }];
}

#pragma mark VPImageCropperDelegate 裁剪完成，對圖片壓縮處理
- (void)imageCropper:(VPImageCropperViewController *)cropperViewController didFinished:(UIImage *)editedImage {

//儲存在本地
THE_IMG_PATH=[UIImagePickerOrCamera saveImage:editedImage WithName:@"userHeadImage.png"];

//上傳小圖片，對圖片尺寸壓縮
editedImage=[UIImagePickerOrCamera imageWithImage:editedImage scaledToSize:CGSizeMake(Main_Screen_Width, Main_Screen_Width)];

//圖片Gzip壓縮
NSData*imageData=UIImagePNGRepresentation(editedImage);

//可以對圖片進行gzip壓縮或者其他相應處理
_imageString=[[NSString alloc]initWithData:imageData encoding:NSUTF8StringEncoding];

/**

*/

[cropperViewController dismissViewControllerAnimated:YES completion:^{
// TO DO
/**
圖片裁剪完成，可以做相應處理
*/
}];
}

圖片的上傳 這裡是用第三方AFNetWorking

-(viod)updata{

 UIApplication *application = [UIApplication sharedApplication];

AFHTTPRequestOperationManager *manager =[AFHTTPRequestOperationManager manager];
manager.requestSerializer.timeoutInterval = 5;    
manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"text/plain",@"text/javascript",@"text/html", @"application/json",nil];

NSArray*arrar=[THE_IMG_PATH componentsSeparatedByString:@"/"];
NSString*imageName=[arrar objectAtIndex:arrar.count-1]; 
NSMutableDictionary*[email protected]{@"image":_imageString,@"imagePath":imageName};

[manager POST:urlString parameters:dic success:^(AFHTTPRequestOperation *operation, id responseObject) {

if(sucess){

   sucess(responseObject);
   NSLog(@"responseObject=%@",responseObject);
}

} failure:^(AFHTTPRequestOperation *operation, NSError *error) {
   NSLog(@"LYYB----AFNetWoring.errno=%@",error);        
   fails(error);
    }];
}