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php 人人商城 生成 临时微信二维码，并保存成海…

2018-11-09 02:38:51来源：博客园 阅读 ()

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    public function getPoster(){
        global $_W;
        global $_GPC;

        $mm = pdo_fetch('select nickname,codetime from ' . tablename('ewei_shop_member') . ' where openid =:openid limit 1', array(':openid' => $_W['openid']));
        
        $path = IA_ROOT . '/addons/ewei_shopv2/data/couponposter/' . $_W['uniacid'] . '/';
        if (!(is_dir($path))) 
        {
            load()->func('file');
            mkdirs($path);
        }
        

        $openid = $_W['openid'];

        if($mm['codetime'])$mm['codetime'] = date('Ymd');
        $md5 = md5(json_encode(array('openid' => $openid,'version' => 3,'timezone' => $mm['codetime'])));
        $file = $md5 . '.jpg';

        
        if(time() > strtotime($mm['codetime']) + 60*60*24*29){
            $aa = unlink($path . $file);
        }
        // var_dump($path . $file);exit;
        if (!(is_file($path . $file))) 
        {
            set_time_limit(0);
            @ini_set('memory_limit', '256M');
            $font = IA_ROOT . '/addons/ewei_shopv2/static/fonts/msyh.ttf';
            $target = imagecreatetruecolor(750, 1334);
            $bc = imagecolorallocate($target, 0, 3, 51);
            $cc = imagecolorallocate($target, 240, 102, 0);
            $wc = imagecolorallocate($target, 255, 255, 255);
            $yc = imagecolorallocate($target, 255, 255, 0);
            $bg = imagecreatefromjpeg(IA_ROOT . '/addons/ewei_shopv2/data/couponposter/poster.jpg');
            imagecopy($target, $bg, 0, 0, 0, 0, 750, 1334);
            imagedestroy($bg);

//             $qrcode_file = tomedia($this->createMyShopQrcode($userinfo['id']));
            $qrcode_url = $this->getCode();
            $qrcode = $this->createImage($qrcode_url);

//             var_dump($qrcode);
            $w = imagesx($qrcode);
            $h = imagesy($qrcode);
            imagecopyresized($target, $qrcode, 215, 600, 0, 0, 320, 320, $w, $h);
            imagedestroy($qrcode);
            
            $str1 = $this->getWords($mm['nickname'],3);
            imagettftext($target, 22, 0, 180, 302, $bc, $font, $str1);
            $str2 = date("Y-m-d",strtotime("+30 day"));
            imagettftext($target, 18, 0, 420, 398, $bc, $font, $str2);

            imagejpeg($target, $path . $file);
            imagedestroy($target);
        }
        $srcc = $_W['siteroot'] . 'addons/ewei_shopv2/data/couponposter/' . $_W['uniacid'] . '/' . $file;
        
        $arr = array('code' => 1, 'src' => $srcc);
        show_json(1, $arr);
        

    }
生成海报
    public function getCode(){
        global $_W;
        global $_GPC;
        $sec = m('common')->getSec();
        $sec = iunserializer($sec['sec']);

        $appid = $_W['account']['key'];
        $secret = $_W['account']['secret'];
    
        $data['openid'] = $_W['openid'];
          
            require_once('weixin.class.php');
          
            $wx = new weixin($appid,$secret,'');
            
            $mm = pdo_fetch('select id from ' . tablename('ewei_shop_member') . ' where openid=:openid and uniacid=:uniacid limit 1', array(':openid' => $_W['openid'], ':uniacid' => $_W['uniacid']));
            $sceneid=intval($mm['id']);
            if ($sceneid<=0) {
                echo "error!!";
            } else {
                $result = $wx->_getQRCode($sceneid);
                $time = date('Ymd');
                pdo_update("ewei_shop_member", array("codetime"=>$time), array( "openid" => $_W['openid'] ));
                
                return $result;
            }
        
    }
生成微信二维码
<?php
// if (!defined('IN_IA')) {
//     exit('Access Denied');
// }
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

class weixin{
    private $appid;
    private $key;
    private $access_token;
    private $jsapi_ticket;
    private $get_access_token_url='https://api.weixin.qq.com/cgi-bin/token?';
    private $menu_url='https://api.weixin.qq.com/cgi-bin/menu/create?access_token=';
    private $menu_delete_url='https://api.weixin.qq.com/cgi-bin/menu/delete?access_token=';
    private $getcode_url='https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=';
    private $oauth2='https://api.weixin.qq.com/sns/oauth2/access_token?';
    private $jsapi_ticket_time;
    private $access_token_time;
    public $menu;
    public function __construct($appid,$key,$access_token) {
           //$this->extract=  sp_get_option('extract');
           $this->appid=$appid;
           $this->key=$key;
           $this->access_token=$this->get_access_token();//access_token_time

    }
    public function get_jsapi_ticket(){
        if($this->$jsapi_ticket_time<time()-7200){
            $url='https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token='.$this->access_token.'&type=jsapi';
            $result=$this->https($url);
            $result=json_decode($result,true);
            if($result['ticket']){
            $this->jsapi_ticket=$result['ticket'];
            $this->$jsapi_ticket_time=time();
            //$res = sp_set_option('extract', $this->extract);
            }
            else{
                print_r($result);
                exit();
            }
        }
        return $this->jsapi_ticket;
    }
    public function get_access_token(){
        if($this->access_token_time<time()-7200){
            $url=$this->get_access_token_url."grant_type=client_credential&appid=".$this->appid."&secret=".$this->key;
            $result=$this->https($url);
            $result=json_decode($result,true);
            if($result['access_token']){
                $this->access_token=$result['access_token'];
                $this->access_token_time=time();
                //$res = sp_set_option('extract', $this->extract);
            }
            else{
                print_r($result);
                exit();
            }
        }
        return $this->access_token;
    }
    public function get_oauth2($code){
            $url=$this->oauth2."appid=".$this->appid."&secret=".$this->key."&code=".$code."&grant_type=authorization_code";
            $result=$this->https($url);
            $result=json_decode($result,true);
            return $result;
            exit;
    }

    public function get_userinfo($openid){
            //需要关注的url
            $url="https://api.weixin.qq.com/cgi-bin/user/info?access_token=".$this->access_token."&openid=".$openid."&lang=zh_CN";
            //无需关注
            //$url = "https://api.weixin.qq.com/sns/userinfo?access_token=".$this->access_token."&openid=".$openid."&lang=zh_CN";
            $result=$this->https($url);
            $result=json_decode($result,true);
            return $result;
            exit;
    }
    public function get_qrcode($id){
            $url=$this->getcode_url.$this->access_token;
            $data='{"action_name": "QR_LIMIT_SCENE", "action_info": {"scene": {"scene_id": '.$id.'}}}';
            $result=$this->https($url,$data,'json');
            $result=json_decode($result,true);
            return $result;
            exit;
    }
    public function updata_menu(){
        $url=$this->menu_url.$this->access_token;
        $this->menu=htmlspecialchars_decode($this->menu);
        $data=$this->menu;
        $result=$this->https($url,$data,'json');
        $result=json_decode($result,true);
        return $result;
        exit;
    }
    public function https($url,$data='',$method='get'){
        $ch = curl_init();
        curl_setopt ($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 对认证证书来源的检查  
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); // 从证书中检查SSL加密算法是否存在  
        curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 5.01; Windows NT 5.0)');  
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); // 使用自动跳转  
        curl_setopt($ch, CURLOPT_AUTOREFERER, 1); // 自动设置Referer
        if($method=='POST'){  
        curl_setopt($ch, CURLOPT_POST, 1); // 发送一个常规的Post请求 
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");  
        if ($data != ''){  
            curl_setopt($ch, CURLOPT_POSTFIELDS, $data); // Post提交的数据包  
            }  
        }       
        curl_setopt($ch, CURLOPT_TIMEOUT, 30); // 设置超时限制防止死循环  
        if($method=='json'){
        curl_setopt($ch, CURLOPT_POST, TRUE);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST"); 
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data); // Post提交的数据包  
        curl_setopt($ch, CURLOPT_HTTPHEADER, array(  
            'Content-Type: application/json; charset=utf-8',  
            'Content-Length: ' . strlen($data))  
        );  
        } 
        else{
            curl_setopt($ch, CURLOPT_HEADER, 0); // 显示返回的Header区域内容  
        }
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); // 获取的信息以文件流的形式返回  
        $file_contents = curl_exec($ch);
        curl_close($ch);
        return $file_contents;
    }
    /** 
     * 首先创建二维码ticket 
     * @param string $sceneid 场景值ID 
     * @param string $type 值为'temp'的时候生成临时二维码 
     * @param string $expire_seconds 二维码过期时间 
     * @return string 二维码ticket 
     */
    public function _getTicket($sceneid,$type='temp',$expire_seconds=604800){ 
        if($type=='temp'){ 
          $data['expire_seconds']=604800;
          $data['action_name']='QR_SCENE';
          $data['action_info']['scene']['scene_id']=$sceneid;
        }else{ 
          $data['action_name']='QR_LIMIT_SCENE';
          $data['action_info']['scene']['scene_id']=$sceneid;
        } 
     
        $args =json_encode($data);
        $curl = 'https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token='.$this->access_token; 
        $content = $this->https($curl,$args,'POST'); 
        $cont = json_decode($content); 
        
        return $cont->ticket; 
    }
    //然后凭借ticket到指定URL换取二维码 
    public function _getQRCode($sceneid,$type='temp1',$expire_seconds=2592000){ 
         $ticket = $this->_getTicket($sceneid,$type,$expire_seconds); 
         $curl = 'https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket='.urlencode($ticket); 
         $content = $this->https($curl); 
         return $curl; 
    }
}
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