ThinkPHP5 + 微信小程序生成带参数的小程序码

绝地灬酷狼 2022-09-09 10:57 364阅读 0赞

### 前端（微信小程序） ###

wx.request({ 
    		url: '', // 后端接口
    		data: { 
    			id: 3, // 传递的参数
    			// path: 'pages/index/index', // 扫码进入小程序的页面路径
    			width: 300 // 小程序码的大小
    		},
    		success: function(res) { 
    			console.log(res.data);
    		}
    	})

### 后端（ThinkPHP5） ###

<?php
    namespace app\api\controller;
    
    class Code
    { 
        // 获取accesstoken
        public function getAccesstoken(){ 
            $appid = '';  // 你的小程序AppID
            $srcret = '';   // 你的小程序AppSecret
            $tokenUrl = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$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,
                    '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);
            if (curl_errno($ch)) { 
                return false;
            }else{ 
                return $tmpInfo;
            }
        }
        
        public function mpcode(){ 
            $id = input('id');
            $path = input('path');
            $width = input('width');
            // 参数
            $postdata['scene'] = $id;
            // 宽度
            $postdata['width'] = $width;
            // 扫码进入的页面路径
            $postdata['page'] = $path;
            // 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);
            $data='data:image/png;base64,'.base64_encode($result);
            // 返回小程序码的base64
            return $data;
        }
        
    }

##### PS：小程序未发布前不要传递小程序页面路径 #####

原文路径：[https://cssnb.com/index.php/archives/54/][https_cssnb.com_index.php_archives_54]

[https_cssnb.com_index.php_archives_54]: https://cssnb.com/index.php/archives/54/