private $sign;

function __construct(){

    $config['config']=[
        'appId'=>'',//E签宝的appID 
        'secret'=>'',//E签宝的secret 
    ];

    $config['url']  = 'https://smlopenapi.esign.cn';//接口请求地址
    $config['back_url']  = '';//完成回调地址
    $config['redis_url']  = 'tcp://127.0.0.1:6379';//redis连接地址
    $this->init($config);
}

private function init($config){

   $this->sign = new Esign($config);

}

//功能开始....按照E签宝的接口交互时序图流程图调用接口
public function account($info){

    $accountResult = $this->sign->createAccounts($info);
    return $accountResult;
}

}