iOS 一次上傳多張圖片, 並返回進度值

標籤：ssi   數組   expected   manage   failure   formdata   tar   接收   object   

我封裝的使用AFNetworking上傳多圖的一個方法。帶進度條回調，希望對你用協助，我app中親測可用，不知道你的伺服器是如何接收資料的：

/***  上傳帶圖片的內容，允許多張圖片上傳（URL）POST**  @param url                 網路請求地址*  @param images              要上傳的圖片數組（注意數組內容需是圖片）*  @param parameter           圖片數組對應的參數  (注意多張圖片,每張的圖片名應該不同)*  @param parameters          其他參數字典*  @param ratio               圖片的壓縮比例（0.0~1.0之間）*  @param succeedBlock        成功的回調*  @param failedBlock         失敗的回調*  @param uploadProgressBlock 上傳進度的回調*/+(void)startMultiPartUploadTaskWithURL:(NSString *)url                           imagesArray:(NSArray *)images                     parameterOfimages:(NSString *)parameter                        parametersDict:(NSDictionary *)parameters                      compressionRatio:(float)ratio                          succeedBlock:(void(^)(id operation, id responseObject))succeedBlock                           failedBlock:(void(^)(id operation, NSError *error))failedBlock                   uploadProgressBlock:(void(^)(float uploadPercent,long long totalBytesWritten,long long totalBytesExpectedToWrite))uploadProgressBlock;實現：+(void)startMultiPartUploadTaskWithURL:(NSString *)url                           imagesArray:(NSArray *)images                     parameterOfimages:(NSString *)parameter                        parametersDict:(NSDictionary *)parameters                      compressionRatio:(float)ratio                          succeedBlock:(void (^)(id, id))succeedBlock                           failedBlock:(void (^)(id, NSError *))failedBlock                   uploadProgressBlock:(void (^)(float, long long, long long))uploadProgressBlock{        if (images.count == 0) {        NSLog(@"上傳內容沒有包含圖片");        return;    }    for (int i = 0; i < images.count; i++) {        if (![images isKindOfClass:[UIImage class]]) {            NSLog(@"images中第%d個元素不是UIImage對象",i+1);            return;        }    }        AFHTTPRequestOperation *operation = [[self sharedOperation].operationManager POST:url parameters:parameters constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {                int i = 0;        //根據當前系統時間產生圖片名稱        NSDate *date = [NSDate date];        NSDateFormatter *formatter = [[NSDateFormatter alloc]init];        [formatter setDateFormat:@"yyyy年MM月dd日"];        NSString *dateString = [formatter stringFromDate:date];                for (UIImage *image in images) {            NSString *fileName = [NSString stringWithFormat:@"%@%d.png",dateString,i];            NSData *imageData;            if (ratio > 0.0f && ratio < 1.0f) {                 imageData = UIImageJPEGRepresentation(image, ratio);            }else{                imageData = UIImageJPEGRepresentation(image, 1.0f);            }                       [formData appendPartWithFileData:imageData name:parameter fileName:fileName mimeType:@"image/jpg/png/jpeg"];        }                } success:^(AFHTTPRequestOperation *operation, id responseObject) {        succeedBlock(operation,responseObject);            } failure:^(AFHTTPRequestOperation *operation, NSError *error) {        NSLog(@"%@",error);        failedBlock(operation,error);            }];        [operation setUploadProgressBlock:^(NSUInteger bytesWritten, long long totalBytesWritten, long long totalBytesExpectedToWrite) {        CGFloat percent = totalBytesWritten * 1.0 / totalBytesExpectedToWrite;        uploadProgressBlock(percent,totalBytesWritten,totalBytesExpectedToWrite);    }];    }

 

iOS 一次上傳多張圖片, 並返回進度值