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AFURLSessionManager上传下载使用代码说明

本文通过代码给大家介绍了AFURLSessionManager上传下载使用说明,代码简单易懂,非常不错,具有参考借鉴价值,需要的朋友参考下吧

1、下载 Creating a Download Task

 NSURLSessionConfiguration *cOnfiguration= [NSURLSessionConfiguration defaultSessionConfiguration]; AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration]; NSURL *URL = [NSURL URLWithString:@"http://example.com/download.zip"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; NSURLSessionDownloadTask *downloadTask = [manager downloadTaskWithRequest:request progress:nil destination:^NSURL *(NSURL *targetPath, NSURLResponse *response) { NSURL *documentsDirectoryURL = [[NSFileManager defaultManager] URLForDirectory:NSDocumentDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:NO error:nil]; return [documentsDirectoryURL URLByAppendingPathComponent:[response suggestedFilename]]; } completionHandler:^(NSURLResponse *response, NSURL *filePath, NSError *error) { NSLog(@"File downloaded to: %@", filePath); }]; [downloadTask resume]; 

2、上传 Creating an Upload Task

 NSURLSessionConfiguration *cOnfiguration= [NSURLSessionConfiguration defaultSessionConfiguration]; AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration]; NSURL *URL = [NSURL URLWithString:@"http://example.com/upload"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; NSURL *filePath = [NSURL fileURLWithPath:@"file://path/to/image.png"]; NSURLSessionUploadTask *uploadTask = [manager uploadTaskWithRequest:request fromFile:filePath progress:nil completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) { if (error) { NSLog(@"Error: %@", error); } else { NSLog(@"Success: %@ %@", response, responseObject); } }]; [uploadTask resume]; 

3、批量上传 Creating an Upload Task for a Multi-Part Request, with Progress

 NSMutableURLRequest *request = [[AFHTTPRequestSerializer serializer] multipartFormRequestWithMethod:@"POST" URLString:@"http://example.com/upload" parameters:nil constructingBodyWithBlock:^(id formData) { [formData appendPartWithFileURL:[NSURL fileURLWithPath:@"file://path/to/image.jpg"] name:@"file" fileName:@"filename.jpg" mimeType:@"image/jpeg" error:nil]; } error:nil]; AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration]]; NSURLSessionUploadTask *uploadTask; uploadTask = [manager uploadTaskWithStreamedRequest:request progress:^(NSProgress * _Nonnull uploadProgress) { // This is not called back on the main queue. // You are responsible for dispatching to the main queue for UI updates dispatch_async(dispatch_get_main_queue(), ^{ //Update the progress view [progressView setProgress:uploadProgress.fractionCompleted]; }); } completionHandler:^(NSURLResponse * _Nonnull response, id _Nullable responseObject, NSError * _Nullable error) { if (error) { NSLog(@"Error: %@", error); } else { NSLog(@"%@ %@", response, responseObject); } }]; [uploadTask resume]; 

4、数据任务 Creating a Data Task

 NSURLSessionConfiguration *cOnfiguration= [NSURLSessionConfiguration defaultSessionConfiguration]; AFURLSessionManager *manager = [[AFURLSessionManager alloc] initWithSessionConfiguration:configuration]; NSURL *URL = [NSURL URLWithString:@"http://httpbin.org/get"]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; NSURLSessionDataTask *dataTask = [manager dataTaskWithRequest:request completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) { if (error) { NSLog(@"Error: %@", error); } else { NSLog(@"%@ %@", response, responseObject); } }]; [dataTask resume]; 

5、请求参数设置 Request Serialization

 Request serializers create requests from URL strings, encoding parameters as either a query string or HTTP body. NSString *URLString = @"http://example.com"; NSDictionary *parameters = @{@"foo": @"bar", @"baz": @[@1, @2, @3]}; 

总结

以上所述是小编给大家介绍的AFURLSessionManager 上传下载使用代码说明,希望对大家有所帮助,如果大家有任何疑问欢迎给我留言,小编会及时回复大家的!

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