/**
* 获取access_token 字符串
* @return string
*/
public function access_token()
{
$token_file = FileStatic::mkDir(APPPATH . 'cache/wechat') . $this->appid . '.json';
$get = FALSE;
// 是否需要再次远程获取
if (!file_exists($token_file)) {
$get = TRUE;
} else {
$json = json_decode(file_get_contents($token_file));
if ($json->expires < time()) {
$get = TRUE;
} else {
return $json->access_token;
}
}
if ($get) {
$url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s';
$json = json_decode($this->curlGet(sprintf($url, $this->appid, $this->appSecret)));
if (!empty($json->errcode)) {
// 获取失败直接停止
die('get access_token fail!');
}
$data = array('expires' => time() + $json->expires_in, 'access_token' => $json->access_token);
file_put_contents($token_file, json_encode($data));
return $json->access_token;
}
return '';
}
protected function accessToken()
{
$token_file = FileStatic::mkDir(APPPATH . 'cache/wechat') . $this->CorpID . '.json';
if (file_exists($token_file) && !empty($json = json_decode(file_get_contents($token_file))) && $json->expires > time()) {
return $json->access_token;
}
$url = sprintf('https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=%s&corpsecret=%s', $this->CorpID, $this->Secret);
$json = json_decode($this->curlGet($url));
if (!empty($json->errcode)) {
// 获取失败直接停止
die('get access_token fail!');
}
$data = ['expires' => time() + $json->expires_in, 'access_token' => $json->access_token];
file_put_contents($token_file, json_encode($data));
return $json->access_token;
}
