/**
* 调用微信SDK接口，获得相关Token
* @return 微信SDK接口返回的Token
*/
private function getAccessToken()
{
// access_token 应该全局存储与更新，以下代码以写入到文件中做示例
$data = json_decode(CTools::GetPHPFileContent("access_token.php"));
if ($data->expire_time < time()) {
// 如果是企业号用以下URL获取access_token
//$url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=$this->appID&corpsecret=$this->appSecret";
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={$this->appID}&secret={$this->appSecret}";
$res = json_decode(CTools::httpGet($url));
//CTools::SetPHPFileContent("jsapi_token_original.php", json_encode($res));
$access_token = $res->access_token;
if ($access_token) {
$data->expire_time = time() + 7000;
$data->access_token = $access_token;
CTools::SetPHPFileContent("access_token.php", json_encode($data));
}
} else {
$access_token = $data->access_token;
}
return $access_token;
}
