swift获取手机通讯录列表

let sysStatus = ABAddressBookGetAuthorizationStatus();
if (sysStatus == ABAuthorizationStatus.NotDetermined) {
guard let addressBook:ABAddressBookRef = ABAddressBookCreateWithOptions(nil, nil).takeRetainedValue() else {
return;
};
ABAddressBookRequestAccessWithCompletion(addressBook, { (success, error) -> Void in
if (success) {

} else {

}
})
} else if (sysStatus == ABAuthorizationStatus.Denied || sysStatus == ABAuthorizationStatus.Restricted) {
let alertView = UIAlertView(title: "温馨提示", message: "您尚未允许访问通讯录，请先去 设置->隐私->通讯录 设置允许!", delegate: self, cancelButtonTitle: "知道了")
alertView.show()
} else if (sysStatus == ABAuthorizationStatus.Authorized) {

}