let manager = SessionManager.default
            manager.delegate.sessionDidReceiveChallenge = {
        session,challenge in
        return    (URLSession.AuthChallengeDisposition.useCredential,URLCredential(trust:challenge.protectionSpace.serverTrust!))
    }
    //默認都為允許訪問 不鑒權(quán)
    let url = "https:x x x"
    
    Alamofire
        .request(url)
        .responseJSON { (response) in
            guard response.result.isSuccess else {

  SVProgressHUD.showError(withStatus: "網(wǎng)絡(luò)異常！數(shù)據(jù)加載失敗！")

                finished(JSON([]))
                return
            }
            if let value = response.result.value {
                
                let json = JSON(value)
                finished(json)

// SVProgressHUD.dismiss()
}
}
}