如何使用AFNetworking 3.0下载文件并保存到本地？ [英] How to download files and save to local using AFNetworking 3.0?

问题描述

在我的项目中，我需要下载一个小视频。在以前的版本中，我使用它：

In my project, I need to download a small video. In the previous version, I use this:

- (void)downloadFileURL:(NSString *)aUrl savePath:(NSString *)aSavePath fileName:(NSString *)aFileName tag:(NSInteger)aTag;

如何在AFNetworking 3.0中执行此操作？

How can I do this in AFNetworking 3.0?

推荐答案

此代码：

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];

在项目的自述文件中： https://github.com/AFNetworking/AFNetworking

Is on the README for the project: https://github.com/AFNetworking/AFNetworking

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