如何解决如何在Azure存储iOS SDK中取消Azure Blob上传/下载请求
我可以使用Azure Storage iOS SDK将图像上传到Azure blob /从Azure blob下载图像,它运行良好,但是现在我想取消正在进行的上传/下载请求。
我找不到取消这些请求的任何方法,有什么办法吗?
上传请求
NSError *accountCreationError;
// Create a storage account object from a connection string.
AZSCloudStorageAccount *account = [AZSCloudStorageAccount accountFromConnectionString:@"DefaultEndpointsProtocol=https;AccountName=your_account_name_here;AccountKey=your_account_key_here" error:&accountCreationError];
if(accountCreationError){
NSLog(@"Error in creating account.");
}
// Create a blob service client object.
AZSCloudBlobClient *blobClient = [account getBlobClient];
// Create a local container object.
AZSCloudBlobContainer *blobContainer = [blobClient containerReferenceFromName:@"containerpublic"];
// Create a local blob object
AZSCloudBlockBlob *blockBlob = [blobContainer blockBlobReferenceFromName:@"name.jpeg"];
blockBlob.properties.contentType = @"image/jpeg";
NSData *data = UIImageJPEGRepresentation(image,0.7);
// Upload blob
[blockBlob uploadFromData:data completionHandler:^(NSError * _Nullable error) {
if (error) {
NSLog(@"Error in uploading blob");
}
}];
下载请求
NSError *accountCreationError;
// Create a storage account object from a connection string.
AZSCloudStorageAccount *account = [AZSCloudStorageAccount accountFromConnectionString:@"DefaultEndpointsProtocol=https;AccountName=your_account_name_here;AccountKey=your_account_key_here" error:&accountCreationError];
if(accountCreationError){
NSLog(@"Error in creating account.");
}
// Create a blob service client object.
AZSCloudBlobClient *blobClient = [account getBlobClient];
// Create a local container object.
AZSCloudBlobContainer *blobContainer = [blobClient containerReferenceFromName:@"containerpublic"];
// Create a local blob object
AZSCloudBlockBlob *blockBlob = [blobContainer blockBlobReferenceFromName:@"name.jpeg"];
blockBlob.properties.contentType = @"image/jpeg";
// Download blob
[blockBlob downloadToDataWithCompletionHandler:^(NSError * _Nullable error,NSData * _Nullable imageData) {
if (error) {
NSLog(@"Error in downloading blob");
}
}];
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