 
 // MARK: - 拨打电话
 class JQPhoneManagerVC: UIViewController {
-
     
     var  webView: UIWebView?
     

     */
    class func call(_ no: String?, _ inViewController: UIViewController?,failBlock: ()->()) {
    
        guard no != nil else {
            failBlock()
            return
        }

        let noString: String = "tel://" + no!
        let url: NSURL = NSURL(string: noString)!;
        let canOpen: Bool? = UIApplication.shared.openURL(url as URL)
        guard canOpen! else { // 可选类型才可以使用可选绑定 对象才可以置空
            failBlock()
            return
        }

        let pMVC: JQPhoneManagerVC = JQPhoneManagerVC()
        pMVC.view.alpha = 0
        pMVC.view.frame = CGRect.zero
        inViewController?.addChildViewController(pMVC)
        inViewController?.view.addSubview(pMVC.view)
        let request: NSURLRequest = NSURLRequest(url: url as URL)
        pMVC.webView?.loadRequest(request as URLRequest)
    }

    override func didReceiveMemoryWarning() {
