如何在ios中通过FTP上传文件？

我想在FTP服务器上上传文件。如何实现此功能

我尝试过很多库，比如raccoons，但这些库都有不推荐使用的代码，这些代码不起作用

NSURL *url_upload = [NSURL URLWithString:@"ftp://username:password!@host:port/filename.wav"];
        NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url_upload];
        [request setHTTPMethod:@"PUT"];
        NSString *file = [[NSBundle mainBundle] pathForResource:@"1kb" ofType:@"png"];
        NSURL *docsDirURL = [NSURL fileURLWithPath:filePath];

    NSURLProtectionSpace * protectionSpace = [[NSURLProtectionSpace alloc] initWithHost:url_upload.host port:[url_upload.port integerValue] protocol:url_upload.scheme realm:nil authenticationMethod:nil];

    NSURLCredential *cred = [NSURLCredential
                             credentialWithUser:@"username"
                             password:@"pass!"
                             persistence:NSURLCredentialPersistenceForSession];


    NSURLCredentialStorage * cred_storage ;
    [cred_storage setCredential:cred forProtectionSpace:protectionSpace];
    NSURLSessionConfiguration *sessionConfig = [NSURLSessionConfiguration defaultSessionConfiguration];
    sessionConfig.URLCredentialStorage = cred_storage;


    NSURLSession *upLoadSession = [NSURLSession sessionWithConfiguration:sessionConfig delegate:self delegateQueue:nil];

    NSURLSessionUploadTask *uploadTask = [upLoadSession uploadTaskWithRequest:request fromFile:docsDirURL completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        if (error != NULL)
        {
            NSLog(@"%@", error.localizedDescription);
        }
        else{

        }
    }];

    [uploadTask resume];

请向我推荐一些快速或客观的c实现，以便在FTP服务器上上载文件。

您可以使用

你可以用

---

FTP应该起作用。不是测试。SFTP不会。但这不是问题。@Pinturajp但为什么不呢？不接受像FTPS这样的URL应该是可行的。不是测试。SFTP不会。但这不是问题。@Pinturajp但为什么不呢？不接受URL likeL

let returnCredential = URLCredential(user:<username>, password:<password>, persistence: .none)

let ftpFileProvider = FTPFileProvider(baseURL: URL(string:<host eg ftp:>, mode: .default, credential: returnCredential, cache: .none)!
ftpFileProvider.copyItem(localFile: <local_file_path>, to:<where on ftp>, completionHandler: { error in         
   if error != nil {
      print(error)
      return
   }
})