watercat_web/application/index/logic/wxlogic.php

<?php
/*
 * @Author: wang jun
 * @Date: 2021-12-29 11:12:53
 * @Last Modified by: wang jun
 * @Last Modified time: 2021-12-29 15:14:22
 */

namespace app\index\logic;

class wxlogic
{
    /**
     * 获取配置
     * 20211229
     * wj
     */
    private function getconfig()
    {
        $config = [
            'appid' => 'wxcacf6eb6e7478e29',
            'appSecret' => '3722c3f95df0569498a0e32ae6e85153',
        ];
    }
    /**
     * 获取二维码
     * 20211229
     * wj
     */
    public function getqrcode($data, $filename = '', $dirname = "qrcode")
    {
        if (empty($data) || !is_array($data)) {
            return backarr(0, "请求失败");
        }
        $filename = empty($filename) || !is_string($filename) ? time() : $filename;
        $dirname = empty($dirname) || !is_string($dirname) ? "qrcode" : $dirname;
        $qr_path = "./Uploads/" . $dirname;
        if (!file_exists($qr_path)) {
            mkdir($qr_path, 0700, true); //判断保存目录是否存在，不存在自动生成文件目录
        }
        $filepath = $dirname . "/" . $filename . '.png';
        $filename = $filename . '.png';
        $file = $qr_path . "/" . $filename;
        $access = $this->getAccessToken();
        $access_token = $access['access_token'];
        $url = 'https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=' . $access_token;

        $data = array(
            'scene' => $data['scene'], //二维码所带参数
            'width' => 200,
            'page' => $data['page'], //二维码跳转路径（要已发布小程序）
            'auto_color' => true,
            //'is_hyaline' => true, //透明底色
        );
        $result = requestCurl($url, "post", json_encode($data)); //请求微信接口
        $resultJson = json_decode($result, true);
        if (!empty($resultJson) && isset($resultJson['errcode'])) {
            $errcode = $resultJson['errcode'];
            $errmsg = $resultJson['errmsg'];
            return backarr(0, $errmsg);
        }
        $domainpath = 'https://app.tjzhxx.cn:11443/Uploads/';
        $res = file_put_contents($file, $result); //将微信返回的图片数据流写入文件
        if ($res === false) {
            return backarr(0, '生成二维码失败');
        }
        $data = [
            'qrcode' => $domainpath . $filepath,
        ];
        return backarr(1, 'success', $data);
    }

    public function getAccessToken()
    {
        $config = $this->getconfig();

        $appid = 'wxcacf6eb6e7478e29';
        $appSecret = '3722c3f95df0569498a0e32ae6e85153';
        $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . $appid . "&secret=" . $appSecret;
        $result = requestCurl($url);
        $wxResult = json_decode($result, true);
        return $wxResult;
    }
}