获取微信的Token
public function Token()
{
$this->path = __DIR__ . '/';
// 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
$msg = json_decode($this->get_php_file($this->path . "access_token.php"));
if ($msg->expire_time < time()) {
$url = 'https://open.douyin.com/oauth/client_token/';
$data = array(
'client_key' => $this->client_key,
'client_secret' => $this->client_secret,
'grant_type' => 'client_credential',
);
$res = json_decode($this->curlPost($url, $data), true);
if ($res['message'] == 'success') {
$access_token = $res['data']['access_token'];
if ($access_token) {
$msg->expire_time = time() + 7000;
$msg->access_token = $access_token;
$this->set_php_file($this->path . "access_token.php", json_encode($msg));
}
}
} else {
$access_token = $msg->access_token;
}
return $access_token;
}
public function httpGet($url)
{
$curl = curl_init();
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl, CURLOPT_TIMEOUT, 500);
// 为保证第三方服务器与微信服务器之间数据传输的安全性，所有微信接口采用https方式调用，必须使用下面2行代码打开ssl安全校验。
// 如果在部署过程中代码在此处验证失败，请到 http://curl.haxx.se/ca/cacert.pem 下载新的证书判别文件。
// curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 1);
// curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, true);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2);
curl_setopt($curl, CURLOPT_URL, $url);
$res = curl_exec($curl);
curl_close($curl);
return $res;
}
public function get_php_file($filename)
{
return trim(substr(file_get_contents($filename), 15));
}
public function set_php_file($filename, $content)
{
$fp = fopen($filename, "w");
fwrite($fp, "<?php exit();?>" . $content);
fclose($fp);
}
protected function curlPost($url, $data)
{
$ch = curl_init();
$params[CURLOPT_URL] = $url; //请求url地址
$params[CURLOPT_HEADER] = FALSE; //是否返回响应头信息
$params[CURLOPT_SSL_VERIFYPEER] = false;
$params[CURLOPT_SSL_VERIFYHOST] = false;
$params[CURLOPT_RETURNTRANSFER] = true; //是否将结果返回
$params[CURLOPT_POST] = true;
$params[CURLOPT_POSTFIELDS] = $data;
curl_setopt_array($ch, $params); //传入curl参数
$content = curl_exec($ch); //执行
curl_close($ch); //关闭连接
return $content;
}
//把请求发送到微信服务器换取二维码
public function httpRequest($url, $data = '', $method = 'GET')
{
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($curl, CURLOPT_AUTOREFERER, 1);
if ($method == 'POST') {
curl_setopt($curl, CURLOPT_POST, 1);
if ($data != '') {
curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
}
}
curl_setopt($curl, CURLOPT_TIMEOUT, 30);
curl_setopt($curl, CURLOPT_HEADER, 0);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($curl);
curl_close($curl);
return $result;
}