AlamoFire Session Manager下载中的参数标签不正确下载 [英] Incorrect argument label in call wtih AlamoFire Session Manager download

问题描述

AlamoFire的文档：

AlamoFire's documentation:

let destination: DownloadRequest.DownloadFileDestination = { _, _ in
    let documentsURL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
    let fileURL = documentsURL.appendingPathComponent("pig.png")

    return (fileURL, [.removePreviousFile, .createIntermediateDirectories])
}

我的代码：

    fileprivate let manager: Alamofire.SessionManager = { ... 

    let destination: DownloadRequest.DownloadFileDestination = { _, _ in
        let documentsURL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
        let fileURL = documentsURL.appendingPathComponent(".mp4")
        return (fileURL, [.removePreviousFile, .createIntermediateDirectories])
    }

...

        self.manager.download(urlString, to: destination) { response in

编译错误：

compile error:

推荐答案

所有您需要做的就是更新方法。您可以尝试自动填充，但不可靠。我的猜测是该方法（默认为GET）：

All you have to do is update the method. You can try to autofill but its unreliable. My guess is the method is this method (which defaults to GET):

self.manager.download(urlString, to: destination).response { 
    (response) in 
    print(response)
}

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