2

app/common.php

@@ -41,7 +41,61 @@ function gift_card_pass(){
 function outFileLog($data,$filename='log',$title='data'){
     file_put_contents($_SERVER['DOCUMENT_ROOT'] . '/log/'.$filename.'.txt', PHP_EOL .date('Y-m-d h:i:s', time()).'~'.$title.':' . json_encode($data,JSON_UNESCAPED_UNICODE), FILE_APPEND);
 }
+//构建请求二维码参数
+//path是扫描二维码跳转的小程序路径，可以带参数?id=xxx
+//width是二维码宽度
+function getQrCode($ACCESS_TOKEN,$PAGES,$PATH='uploads/qrcode/',$NAME){
+
+    //判断文件夹是否存在，不存在则创建
+    if (!file_exists($PATH)) {
+        mkdir ($PATH,0777,true);
+    }
+//    $qcode ="https://api.weixin.qq.com/cgi-bin/wxaapp/createwxaqrcode?access_token=$ACCESS_TOKEN"; //方形二维码
+    $qcode='https://api.weixin.qq.com/wxa/getwxacode?access_token='.$ACCESS_TOKEN; //圆形二维码
+
+    $data = [
+        'width'=>120,
+        'path'=>$PAGES,
+        'is_hyaline'=>false,
+    ];
+    $param = json_encode($data);
+
+    //POST参数
+    $result = httpRequest( $qcode, $param,"POST");
+
+    //生成二维码
+//    file_put_contents($name.".png", $result);
+    file_put_contents($PATH.$NAME.".png", $result);
+    $base64_image ="data:image/jpeg;base64,".base64_encode($result);
+    return $result;
 
+}
+//把请求发送到微信服务器换取二维码
+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 $result;
+}
 function getNonceStr($length = 32) {
     $chars = "ACEFGHMNQRTYabdefgijmnpqr";
     $str ="";