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<?php
//微信小程序获取access_token
function get_access_token($appid,$secret)
{
? ? $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={$appid}&secret={$secret}";
? ? return $data = curl_get($url);
}
//获得二维码
function get_qrcode($access_token,$scene,$page,$path)
{
? ? //header('content-type:image/png');格式自选，不同格式貌似加载速度略有不同，想加载更快可选择jpg
? ? header('content-type:image/jpg');
? ? $data = [
? ? ?? ?'scene' => $scene,
? ? ?? ?'page' ?? ?=> $page
? ? ];
? ? $data = json_encode($data);
? ? $access = json_decode($access_token,true);
? ? $access_token= $access['access_token'];
? ? $url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=" . $access_token;
? ? $result = curl_post($url,$data);
? ? file_put_contents($path, $result);
}
//模拟GET
function curl_get($url)
{
? ? $curl = curl_init();
? ? curl_setopt($curl, CURLOPT_URL, $url);
? ? curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
? ? curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
? ? $data = curl_exec($curl);
? ? $err = curl_error($curl);
? ? curl_close($curl);
? ? return $data;
}
//模拟POST
function curl_post($url, $data){
? ? $ch = curl_init();
? ? $header = "Accept-Charset: utf-8";
? ? curl_setopt($ch, CURLOPT_URL, $url);
? ? curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
? ? curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
? ? curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
? ? curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
? ? curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');
? ? curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
? ? curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
? ? curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
? ? curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
? ? $tmpInfo = curl_exec($ch);
? ? if (curl_errno($ch)) {
? ? ? ? return false;
? ? }else{
? ? ? ? return $tmpInfo;
? ? }
}
$appid = '';
$secret = '';
$token = get_access_token($appid,$secret);
$scene = 'id=1&type=1'; ? ??? ??? ??? ??? ??? ?//要传的参数
$page = ''; ? ? ? ?? ??? ??? ??? ??? ??? ??? ?//跳转的路径(不填默认首页)
$path = './get_wxminiqrcode.jpg'; ? ? ? ??? ?//二维码保存的路径
get_qrcode($token,$scene,$page,$path);
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