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我正在尝试将 GIPHY API 合并到我的项目中。

在我的 AppDelegate 中，我将 API 密钥设置为公共 beta 密钥（只是为了测试它）：

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {

    SwiftyGiphyAPI.shared.apiKey = "dc6zaTOxFJmzC"


    // Override point for customization after application launch.
    return true
}

这是来自公共课程SwiftyGiphyAPI：

public static let publicBetaKey = "dc6zaTOxFJmzC"

/// Access the Giphy API through the shared singleton.
public static let shared: SwiftyGiphyAPI = SwiftyGiphyAPI()

/// Before you can use SwiftyGiphy, you need to set your API key.
public var apiKey: String? {
    didSet {

        if apiKey == SwiftyGiphyAPI.publicBetaKey
        {
            print("****************************************************************************************************************************")
            print("*                                                                                                                          *")
            print("*     IMPORTANT: You seem to be using Giphy's public beta key. Please change this to a production key before shipping.     *")
            print("*     Apply for one here: http://api.giphy.com/submit                                                                      *")
            print("*                                                                                                                          *")
            print("****************************************************************************************************************************")
            print("")
        }
    }
}

当控制器打开时，趋势部分应该显示趋势 GIF，这是该功能的开始：

   func getTrending(limit: Int = 25, rating: SwiftyGiphyAPIContentRating = .pg13, offset: Int? = nil, completion: GiphyMultipleGIFResponseBlock?)
{
    guard apiKey != nil || !isUsingDefaultAPIBase else {
        print("ATTENTION: You need to set your Giphy API key before using SwiftyGiphy.")

        completion?(networkError(description: NSLocalizedString("You need to set your Giphy API key before using SwiftyGiphy.", comment: "You need to set your Giphy API key before using SwiftyGiphy.")), nil)
        return
    }

我收到了打印声明You need to set your Giphy API key before using SwiftyGiphy.

我认为这是因为SwiftyGiphyAPI.shared.apiKey它仍然是可选的，所以它被读取SwiftyGiphyAPI为 nil。我尝试了一些可选链接，但也许我做错了。

我确定我缺少一个简单的修复方法。

此外，如果有帮助，这里是 GIPHY 文档的链接：GIPHY Docs

在此先感谢您的帮助！

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