protected function get_access_token()
{
if(!cache('wx_access_token')){
$appid = "wx0fsfgs2664edde";
$appsecret = "7252bd2c6bc4400fgghfhgfh700c";
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appid."&secret=".$appsecret;
$res = $this->http_request($url);
$result = json_decode($res, true);
$access_token = $result["access_token"];
cache( 'wx_access_token', $access_token, (intval($result["expires_in"])-200) );
}
return cache('wx_access_token');
}
//将access_token存入memcached中
protected function http_request($url, $data = null)
{
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
if (!empty($data))
{
curl_setopt($curl, CURLOPT_POST, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
}
curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
$output = curl_exec($curl);
curl_close($curl);
return $output;
}
