php生成微信菊花码小程序码_菊花二维码生成工具-优快云博客

该代码实现了一个用于生成微信小程序二维码的类，包括获取access_token、处理错误、生成不同类型的二维码（菊花码和普通二维码）并进行图片合成的功能。同时，类中包含了异常处理和HTTP请求方法。

<?php
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// | Copyright (c) 2014~2023 https://itux.cn All rights reserved.
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// | Licensed 此软件并不是自由软件，未经许可不能去掉ITUX相关版权
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namespace addons\gaga\library\cqrs\libs;

use think\exception\ValidateException;

class Wxaqrcode
{
   
   
    protected $wxapp_settings;
    protected $default_wxapp_settings;
    private $appId;
    private $appSecret;
    private $access_token;
    private $error = '';

    public function __construct($app_id,$app_secret)
    {
   
   
        if (empty($app_id) || empty($app_secret)) throw new \think\Exception('小程序参数错误');
        $this->appId = $app_id;
        $this->appSecret = $app_secret;
        $access_token = \think\Cache::get('wxa:access_token:' . $this->appId);
        if (!$access_token) {
   
   
            $target_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . $this->appId . "&secret=" . $this->appSecret;
            $res = $this->http_get($target_url);
            $res = json_decode($res, true);
            if (isset($res['errcode']) && $res['errcode'] != 0) {
   
   
                $content = '';
                switch (!$res || $res['errcode']) {
   
   
                    case 40001:
                        $content = "AppSecret错误或者AppSecret不属于这个小程序，请开发者确认AppSecret的正确性";
                        break;
                    case 40164:
                        $content = "调用接口的IP地址不在白名单中，请在接口IP白名单中进行设置";
                        break;
                }
                throw new ValidateException($content);
            }
            $access_token = $res['access_token'];
            $expire = $res['expires_in'] ? intval($res['expires_in']) : 7200;
            \think\Cache::set('wxa:access_token:' . $this->appId, $res['access_token'], $expire);
        }
        $this->access_token = $access_token;
    }

    //菊花码，适用于大量生成二维码,注意scene最大32个可见字符
    public function getWxQrcode($page = 'pages/index/index', $scene = '', $width = 430, $filepath = null, $qrtype