- (void)convertVideoWithURL:(NSURL *)url{  NSDate *date = [NSDate date];  NSDateFormatter *dateformatter = [[NSDateFormatter alloc]init];  [dateformatter setDateFormat:@"YYYY-MM-dd-HH-mm-ss"];  NSString *dateName = [dateformatter stringFromDate:date];  NSString *path = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES).firstObject;  NSString *pathName = [path stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.mp4",dateName]];  NSLog(@"沙盒：%@",pathName);  //轉碼配置  AVURLAsset *asset = [AVURLAsset URLAssetWithURL:url options:nil];  AVAssetExportSession *exportSession= [[AVAssetExportSession alloc] initWithAsset:asset presetName:AVAssetExportPresetMediumQuality];  exportSession.shouldOptimizeForNetworkUse = YES;  exportSession.outputURL = [NSURL fileURLWithPath:pathName];  exportSession.outputFileType = AVFileTypeMPEG4;  [exportSession exportAsynchronouslyWithCompletionHandler:^{    int exportStatus = exportSession.status;    switch (exportStatus)     {      case AVAssetExportSessionStatusFailed:      {        // log error to text view        NSError *exportError = exportSession.error;        NSLog (@"AVAssetExportSessionStatusFailed: %@", exportError);        [SVProgressHUD showErrorWithStatus:@"視頻壓縮失敗"];        [SVProgressHUD dismissWithDelay:1.0];        break;      }      case AVAssetExportSessionStatusCompleted:      {        self.videoData = [NSData dataWithContentsOfFile:pathName];        [[NetTool shareDL]upLoadVideoWithURL:@"http://192.168.1.102/php/image.php" paremeter:nil data:self.videoData videoName:[NSString stringWithFormat:@"%@.mp4",dateName] progress:^(NSProgress * _Nonnull uploadProgress) {          [SVProgressHUD showProgress:1.0*uploadProgress.completedUnitCount/uploadProgress.totalUnitCount status:@"正在上傳"];          NSLog(@"正在上傳%f%%",(1.0*uploadProgress.completedUnitCount/uploadProgress.totalUnitCount)*100);        } success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {          [SVProgressHUD showSuccessWithStatus:@"上傳成功"];          [SVProgressHUD dismissWithDelay:1.0];        } fail:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {          [SVProgressHUD showErrorWithStatus:@"上傳失敗"];          [SVProgressHUD dismissWithDelay:1.0];        }];      }    }  }];}

[manager POST:url parameters:parameter constructingBodyWithBlock:^(id<AFMultipartFormData> _Nonnull formData) {    [formData appendPartWithFileData:videoData name:@"upimage" fileName:videoName mimeType:@"video/mp4"];  } progress:^(NSProgress * _Nonnull uploadProgress) {    progress(uploadProgress);  } success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {    success(task,responseObject);  } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {    fail(task,error);  }];