AF上传图片至服务器

一、从相册或者照相机获取头像上传服务器

#import "ViewController.h"
#import "AFNetworking.h"
#import "NSString+Hashing.h"


@interface ViewController ()<UIImagePickerControllerDelegate,UINavigationControllerDelegate,UIActionSheetDelegate>
{
    UIImagePickerController *pickerController;
}

@property (weak, nonatomic) IBOutlet UIImageView *headImg;


@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    //初始化头像控件
    [self initHeadIcon];
    //初始化pickController
    [self createData];
    
}

- (void)initHeadIcon
{
    self.view.backgroundColor = [UIColor lightGrayColor];
    self.headImg.layer.cornerRadius = self.headImg.frame.size.height/2;
    self.headImg.clipsToBounds = YES;
    self.headImg.layer.borderColor = [UIColor whiteColor].CGColor;
    self.headImg.layer.borderWidth = 3;
}

- (void)createData
{
    //初始化pickerController
    pickerController = [[UIImagePickerController alloc]init];
    pickerController.view.backgroundColor = [UIColor orangeColor];
    pickerController.delegate = self;
    pickerController.allowsEditing = YES;
}


- (IBAction)tapAction:(UITapGestureRecognizer *)sender {
//    if ([[[UIDevice currentDevice] systemVersion] intValue] < 8 ) {
//        UIActionSheet *actionSheet = [[UIActionSheet alloc]initWithTitle:@"选择头像" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:nil otherButtonTitles:@"拍照",@"相册",@"图库", nil];
//        [actionSheet showInView:[UIApplication sharedApplication].keyWindow];
//    }else{
        UIAlertController * alertController = [UIAlertController alertControllerWithTitle:@"选择头像" message:@"" preferredStyle:UIAlertControllerStyleActionSheet];
        
        UIAlertAction * cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
            
        }];
    
        UIAlertAction * cameraAction = [UIAlertAction actionWithTitle:@"拍照" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
            
            if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera])
            {
                NSLog(@"支持相机");
                [self makePhoto];
            }else{
                UIAlertController * aler = [UIAlertController alertControllerWithTitle:@"提示" message:@"请在设置-->隐私-->相机，中开启本应用的相机访问权限！！" preferredStyle:UIAlertControllerStyleAlert];
                
                UIAlertAction * okAction = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
                    
                }];
                
                UIAlertAction * cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
                    
                }];
                
                [aler addAction:okAction];
                [aler addAction:cancelAction];
                [self presentViewController:aler animated:YES completion:nil];
            }
            
        }];
        UIAlertAction * photoLibraryAction = [UIAlertAction actionWithTitle:@"相册" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
            
            if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypePhotoLibrary])
            {
                NSLog(@"支持相册");
                [self choosePicture];
            }else{
//                UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"提示" message:@"请在设置-->隐私-->照片，中开启本应用的相机访问权限！！" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"我知道了", nil];
//                [alert show];
                UIAlertController * aler = [UIAlertController alertControllerWithTitle:@"提示" message:@"请在设置-->隐私-->相机，中开启本应用的相机访问权限！！" preferredStyle:UIAlertControllerStyleAlert];
                UIAlertAction * okAction = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
                    
                }];
                UIAlertAction * cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
                    
                }];
                
                [aler addAction:okAction];
                [aler addAction:cancelAction];
                
                [self presentViewController:aler animated:YES completion:nil];
            }
            
        }];
        UIAlertAction * photosAlbumAction = [UIAlertAction actionWithTitle:@"图册" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
            
            if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeSavedPhotosAlbum])
            {
                NSLog(@"支持图库");
                [self pictureLibrary];
                
                
            }else{
                UIAlertController * aler = [UIAlertController alertControllerWithTitle:@"提示" message:@"请在设置-->隐私-->相机，中开启本应用的相机访问权限！！" preferredStyle:UIAlertControllerStyleAlert];
                UIAlertAction * okAction = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
                    
                }];
                UIAlertAction * cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
                    
                }];
                
                [aler addAction:okAction];
                [aler addAction:cancelAction];
                
                [self presentViewController:aler animated:YES completion:nil];
            }

        }];
    
        [alertController addAction:cancelAction];
        [alertController addAction:cameraAction];
        [alertController addAction:photoLibraryAction];
        [alertController addAction:photosAlbumAction];
        
        [self presentViewController:alertController animated:YES completion:nil];
        
//    }
    
}

/*
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
{
    if (buttonIndex == 0) {//相机
        if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera])
        {
            NSLog(@"支持相机");
            [self makePhoto];
        }else{
            UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"提示" message:@"请在设置-->隐私-->相机，中开启本应用的相机访问权限！！" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"我知道了", nil];
            [alert show];
        }
    }else if (buttonIndex == 1){//相片
        if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypePhotoLibrary])
        {
            NSLog(@"支持相册");
            [self choosePicture];
        }else{
            UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"提示" message:@"请在设置-->隐私-->照片，中开启本应用的相机访问权限！！" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"我知道了", nil];
            [alert show];
        }
    }else if (buttonIndex == 2){//图册
        if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeSavedPhotosAlbum])
        {
            NSLog(@"支持图库");
            [self pictureLibrary];
            //            [self presentViewController:picker animated:YES completion:nil];
        }else{
            UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"提示" message:@"请在设置-->隐私-->照片，中开启本应用的相机访问权限！！" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"我知道了", nil];
            [alert show];
        }
    }else if (buttonIndex == 3){
        
    }
    
}
 */

//跳转到imagePicker里
- (void)makePhoto
{
    pickerController.sourceType = UIImagePickerControllerSourceTypeCamera;
    [self presentViewController:pickerController animated:YES completion:nil];
}

//跳转到相册
- (void)choosePicture
{
    pickerController.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;
    [self presentViewController:pickerController animated:YES completion:nil];
}

//跳转图库
- (void)pictureLibrary
{
    pickerController.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
    [self presentViewController:pickerController animated:YES completion:nil];
}

//用户取消退出picker时候调用
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
    NSLog(@"%@",picker);
    [pickerController dismissViewControllerAnimated:YES completion:^{
        
    }];
}

//用户选中图片之后的回调
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
    
    NSLog(@"%s,info == %@",__func__,info);
    
    UIImage *userImage = [self fixOrientation:[info objectForKey:@"UIImagePickerControllerOriginalImage"]];
    
    userImage = [self scaleImage:userImage toScale:0.3];
    
    //保存图片
    //    [self saveImage:userImage name:@"某个特定标示"];
    
    [pickerController dismissViewControllerAnimated:YES completion:^{
        
        
    }];
    [self.headImg setImage:userImage];
    self.headImg.contentMode = UIViewContentModeScaleAspectFill;
    self.headImg.clipsToBounds = YES;
    //照片上传
    [self upDateHeadIcon:userImage];
}

- (void)upDateHeadIcon:(UIImage *)photo{

//    NSData * data = UIImageJPEGRepresentation(photo, 0.5);
    NSData * datapng = UIImagePNGRepresentation(photo);

    NSString * url = @"http://ip/tony/upload_test.php";

    NSDictionary * parame = @{@"test":[NSString stringWithFormat:@"%@",datapng]};
    
    AFHTTPRequestOperationManager * manager = [AFHTTPRequestOperationManager manager];
    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObject:@"application/x-www-form-urlencoded"];
    manager.requestSerializer = [AFHTTPRequestSerializer serializer];
    
    [manager POST:url parameters:parame constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {
        

//        NSString * path = [[NSBundle mainBundle] pathForResource:@"123" ofType:@"txt"];
        
        [formData appendPartWithFileData:datapng name:@"test" fileName:@"test" mimeType:@"image/png"];
        
    } success:^(AFHTTPRequestOperation *operation, id responseObject) {
    
        NSLog(@"返回结果%@",responseObject);
        
    } failure:^(AFHTTPRequestOperation *operation, NSError *error) {
        NSLog(@"请求失败%@",error.localizedDescription);
    }];
    
}

//修正照片方向(手机转90度方向拍照)
- (UIImage *)fixOrientation:(UIImage *)aImage {
    
    // No-op if the orientation is already correct
    if (aImage.imageOrientation == UIImageOrientationUp)
        return aImage;
    
    // We need to calculate the proper transformation to make the image upright.
    // We do it in 2 steps: Rotate if Left/Right/Down, and then flip if Mirrored.
    CGAffineTransform transform = CGAffineTransformIdentity;
    
    switch (aImage.imageOrientation) {
        case UIImageOrientationDown:
        case UIImageOrientationDownMirrored:
            transform = CGAffineTransformTranslate(transform, aImage.size.width, aImage.size.height);
            transform = CGAffineTransformRotate(transform, M_PI);
            break;
            
        case UIImageOrientationLeft:
        case UIImageOrientationLeftMirrored:
            transform = CGAffineTransformTranslate(transform, aImage.size.width, 0);
            transform = CGAffineTransformRotate(transform, M_PI_2);
            break;
            
        case UIImageOrientationRight:
        case UIImageOrientationRightMirrored:
            transform = CGAffineTransformTranslate(transform, 0, aImage.size.height);
            transform = CGAffineTransformRotate(transform, -M_PI_2);
            break;
        default:
            break;
    }
    
    switch (aImage.imageOrientation) {
        case UIImageOrientationUpMirrored:
        case UIImageOrientationDownMirrored:
            transform = CGAffineTransformTranslate(transform, aImage.size.width, 0);
            transform = CGAffineTransformScale(transform, -1, 1);
            break;
            
        case UIImageOrientationLeftMirrored:
        case UIImageOrientationRightMirrored:
            transform = CGAffineTransformTranslate(transform, aImage.size.height, 0);
            transform = CGAffineTransformScale(transform, -1, 1);
            break;
        default:
            break;
    }
    
    // Now we draw the underlying CGImage into a new context, applying the transform
    // calculated above.
    CGContextRef ctx = CGBitmapContextCreate(NULL, aImage.size.width, aImage.size.height,
                                             CGImageGetBitsPerComponent(aImage.CGImage), 0,
                                             CGImageGetColorSpace(aImage.CGImage),
                                             CGImageGetBitmapInfo(aImage.CGImage));
    CGContextConcatCTM(ctx, transform);
    switch (aImage.imageOrientation) {
        case UIImageOrientationLeft:
        case UIImageOrientationLeftMirrored:
        case UIImageOrientationRight:
        case UIImageOrientationRightMirrored:
            // Grr...
            CGContextDrawImage(ctx, CGRectMake(0,0,aImage.size.height,aImage.size.width), aImage.CGImage);
            break;
            
        default:
            CGContextDrawImage(ctx, CGRectMake(0,0,aImage.size.width,aImage.size.height), aImage.CGImage);
            break;
    }
    
    // And now we just create a new UIImage from the drawing context
    CGImageRef cgimg = CGBitmapContextCreateImage(ctx);
    UIImage *img = [UIImage imageWithCGImage:cgimg];
    CGContextRelease(ctx);
    CGImageRelease(cgimg);
    return img;
}

//缩放图片
- (UIImage *)scaleImage:(UIImage *)image toScale:(float)scaleSize
{
    UIGraphicsBeginImageContext(CGSizeMake(image.size.width*scaleSize,image.size.height*scaleSize));
    [image drawInRect:CGRectMake(0, 0, image.size.width * scaleSize, image.size.height *scaleSize)];
    UIImage *scaledImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    NSLog(@"%@",NSStringFromCGSize(scaledImage.size));
    return scaledImage;
}


- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    
}

@end

二、多张图片上传服务器

#import "ViewController.h"
#import "AFNetworking.h"


@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
}

- (NSURLSessionUploadTask*)uploadTaskWithImage:(UIImage*)image completion:(void (^)(NSURLResponse *response, id responseObject, NSError *error))completionBlock {
    
    NSData * imageData = UIImagePNGRepresentation(image);
    
    // 构造 NSURLRequest
    NSError* error = NULL;
    NSDictionary * par = @{@"test":[NSString stringWithFormat:@"%@",imageData]};
    NSMutableURLRequest *request = [[AFHTTPRequestSerializer serializer] multipartFormRequestWithMethod:@"POST" URLString:[self uploadUrl] parameters:par constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {

        [formData appendPartWithFileData:imageData name:@"test" fileName:@"test.png" mimeType:@"image/png"];
        
    } error:&error];
    
    // 可在此处配置验证信息
    
    // 将 NSURLRequest 与 completionBlock 包装为 NSURLSessionUploadTask
    AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]];
    
    NSURLSessionUploadTask *uploadTask = [manager uploadTaskWithStreamedRequest:request progress:^(NSProgress * _Nonnull uploadProgress) {
    } completionHandler:completionBlock];

    return uploadTask;
}

/**
 *  服务器上传图片接口
 *
 *  @return
 */
- (NSString *)uploadUrl{
    return @"http://ip/tony/upload_test.php";
}

/**
 *  需上传的图片数组
 *
 *  @return
 */
- (NSArray *)images{
    UIImage * image = [UIImage imageNamed:@"test.png"];
    UIImage * image1 = [UIImage imageNamed:@"11.png"];
    UIImage * image2 = [UIImage imageNamed:@"app.png"];
    
    return @[image,image1,image2];
}


- (IBAction)runDispatchTest:(UIButton *)sender {
    // 需要上传的数据
    NSArray* images = [self images];
    
    // 准备保存结果的数组，元素个数与上传的图片个数相同，先用 NSNull 占位
    NSMutableArray* result = [NSMutableArray array];
    for (UIImage* image in images) {
        [result addObject:[NSNull null]];
    }
    
    dispatch_group_t group = dispatch_group_create();
    
    for (NSInteger i = 0; i < images.count; i++) {
        
        dispatch_group_enter(group);
        
        //上传
        NSURLSessionUploadTask* uploadTask = [self uploadTaskWithImage:images[i] completion:^(NSURLResponse *response, NSDictionary* responseObject, NSError *error) {
            
            if (error) {
                NSLog(@"第 %d 张图片上传失败: %@", (int)i + 1, error);
                dispatch_group_leave(group);
            } else {
                NSLog(@"第 %d 张图片上传成功: %@", (int)i + 1, responseObject);
                @synchronized (result) { // NSMutableArray 是线程不安全的，所以加个同步锁
                    if (responseObject) {
                        result[i] = responseObject;
                    }
                }
                dispatch_group_leave(group);
            }
        }];
        [uploadTask resume];
    }
    
    dispatch_group_notify(group, dispatch_get_main_queue(), ^{
        NSLog(@"上传完成!");
        for (id response in result) {
            NSLog(@"%@", response);
        }
    });
}



- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    
}

@end