public function setToken()
{
$res = json_decode(file_get_contents('https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=' . $this->appid . '&secret=' . $this->appsecret));
$token = array('token' => $res->access_token, 'add_time' => time());
$this->access_token = $res->access_token;
$_SESSION["access_token"] = $res->access_token;
$_SESSION["token_time"] = time();
if ($token = Weichat::findFirstByName("access_token")) {
$token->setContent($res->access_token);
$token->setUpdateTime();
$token->save();
} else {
$token = new Weichat();
$token->setName("access_token");
$token->setContent($res->access_token);
$token->setAddTime();
$token->setUpdateTime();
$token->save();
}
}
