# 1.二维码业务类 ``` <?php /** * User : 张纯泽 * Date : 2020/6/11 * Time : 9:20 */ namespace app\api\service; class Wxcode { public function getAccesstoken(){ $appid = ''; /*小程序appid*/ $srcret = ''; /*小程序秘钥*/ $tokenUrl="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appid."&secret=".$srcret; $getArr=array(); $tokenArr=json_decode($this->send_post($tokenUrl,$getArr,"GET")); $access_token=$tokenArr->access_token; return $access_token; } public function send_post($url, $post_data,$method='POST') { $postdata = http_build_query($post_data); $options = array( 'http' => array( 'method' => $method, //or GET 'header' => 'Content-type:application/x-www-form-urlencoded', 'content' => $postdata, 'timeout' => 15 * 60 // 超时时间（单位:s） ) ); $context = stream_context_create($options); $result = file_get_contents($url, false, $context); return $result; } public function api_notice_increment($url, $data){ $ch = curl_init(); $header=array('Accept-Language:zh-CN','x-appkey:114816004000028','x-apsignature:933931F9124593865313864503D477035C0F6A0C551804320036A2A1C5DF38297C9A4D30BB1714EC53214BD92112FB31B4A6FAB466EEF245710CC83D840D410A7592D262B09D0A5D0FE3A2295A81F32D4C75EBD65FA846004A42248B096EDE2FEE84EDEBEBEC321C237D99483AB51235FCB900AD501C07A9CAD2F415C36DED82','x-apversion:1.0','Content-Type:application/x-www-form-urlencoded','Accept-Charset: utf-8','Accept:application/json','X-APFormat:json'); curl_setopt($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($ch, 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); // var_dump($tmpInfo); // exit; if (curl_errno($ch)) { return false; }else{ // var_dump($tmpInfo); return $tmpInfo; } } /*上面生成的是数量限制10万的二维码，下面重写数量不限制的码*/ /*getWXACodeUnlimit*/ /*码一，圆形的小程序二维码，数量限制一分钟五千条*/ /*45009 调用分钟频率受限(目前5000次/分钟，会调整)，如需大量小程序码，建议预生成。 41030 所传page页面不存在，或者小程序没有发布*/ public function mpcode($page,$cardid){ //参数 $postdata['scene']=$cardid; // 宽度 $postdata['width']=430; // 页面 $postdata['page']=$page; // 线条颜色 $postdata['auto_color']=false; //auto_color 为 false 时生效 $postdata['line_color']=['r'=>'0','g'=>'0','b'=>'0']; // 是否有底色为true时是透明的 $postdata['is_hyaline']=true; $post_data = json_encode($postdata); $access_token=$this->getAccesstoken(); $url="https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=".$access_token; $result=$this->api_notice_increment($url,$post_data); $data='image/png;base64,'.base64_encode($result); return $data; // echo '<img src="data:'.$data.'">'; } /*码二，正方形的二维码，数量限制调用十万条*/ // public function qrcodes(){ // $path="pages/postcard/postcard"; // // 宽度 // $postdata['width']=430; // // 页面 // $postdata['path']=$path; // $post_data = json_encode($postdata); // $access_token=$this->getAccesstoken(); // $url="https://api.weixin.qq.com/cgi-bin/wxaapp/createwxaqrcode?access_token=".$access_token; // $result=$this->api_notice_increment($url,$post_data); // $data='image/png;base64,'.base64_encode($result); // echo '<img src="data:'.$data.'">'; // } } ``` # 2.方法 ``` public function wxcode() { $id = input('post.id'); $wxcode = new Wxcode(); $page='pages/index/index'; $cardid= $id; $mpcodeimg=$wxcode->mpcode($page,$cardid); $dataret['mpcodeimg']=$mpcodeimg; //上传文件 $imageName = "25220_".date("His",time())."_".rand(1111,9999).'.png'; if (strstr($dataret['mpcodeimg'],",")){ $image = explode(',',$dataret['mpcodeimg']); $image = $image[1]; } $path = "uploads/".date("Ymd",time()); if (!is_dir($path)){ //判断目录是否存在 不存在就创建 mkdir($path,0777,true); } $imageSrc= $path."/". $imageName; //图片名字 $r = file_put_contents($imageSrc, base64_decode($image));//返回的是字节数 if (!$r) { return json(['code' => 2, 'data' => '', 'msg' => '图片生成失败']); }else { $url = 'https://cxr.qmcxr.com/' . $imageSrc; return json(['code' => 1, 'url' => $url, 'msg' => '图片生成成功']); } } ```