<?php


namespace wchat\wx;


use wchat\common\Miniprogarampage;

class SmallProgram extends Miniprogarampage
{

	protected static $instance;

	private $url = 'https://api.weixin.qq.com/cgi-bin/token';


	/**
	 * @return mixed
	 * @throws \Exception
	 */
	public function generateAccess_token()
	{
		if (!empty($this->config->getToken())) {
			return $this->config->getToken();
		}
		$query = [
			'grant_type' => 'client_credential',
			'appid'      => $this->config->getAppid(),
			'secret'     => $this->config->getAppsecret()
		];
		$this->request->setErrorField('errcode');
		$this->request->setErrorMsgField('errmsg');
		$param = $this->request->get($this->url, $query);
		if (!$param->isResultsOK()) {
			throw new \Exception($param->getMessage());
		}
		return $param->getData();
	}

}