小编Rup*_*der的帖子

我正在使用Facebook SDK登录并在我的终端获取数据但无法解决问题我面临与语法相关的挑战

func fetchProfile() {
    let parameters = ["fields": "email, first_name, last_name, picture.type(large)"]
    FBSDKGraphRequest(graphPath: "me", parameters: parameters).start(completionHandler: { (connection, user, requestError) -> Void in

        if requestError != nil {
            print(requestError)
            return
        }

        var email = user["email"] as? String
        let firstName = user["first_name"] as? String
        let lastName = user["last_name"] as? String

        self.nameLabel.text = "\(firstName!) \(lastName!)"

        var pictureUrl = ""

        if let picture = user["picture"] as? NSDictionary, let data = picture["data"] as? NSDictionary, let url = data["url"] as? String {
            pictureUrl = …