Controller\Admin\Mailer::saveSetting PHP Method

    public function saveSetting()
    {
        $type = $_POST['mail_type'];
        $mailType = 'MAIL_' . $type;
        $mailer = self::createMailObject($type);
        if (!$mailer->isAvailable()) {
            $config = Option::get($mailType);
        }
        if (!$config) {
            $config = Option::get($mailType);
        }
        $config = json_decode($config, true);
        $_config = [];
        foreach ($config as $key => $val) {
            $k = $key;
            $v = $val;
            if (strpos($k, 'mailer') === false) {
                $_config[] = ['key' => $k, 'value' => $v];
            }
        }
        return array('error' => 0, 'message' => '请设置邮件参数', 'configs' => $_config, 'mailer' => $type);
    }