php 生成小程序二维码

andydaopeng / 2024-02-28 / 原文

    public function generate($code, $isShow)
    {
        // 构建二维码参数
        $scene  = 'C=' . $code.'&path=green';
        $params = [
            "scene" => $scene,
            'page'  => 'pages/login/registerSales', // 小程序页面路径
            'width' => 200, // 二维码宽度
        ];
        // 调用微信接口获取 access_token
        $wechatService = new WechatApiService();
        $access_token  = $wechatService->getAccessToken(true);
        if (empty($access_token)) {
            $access_token = $wechatService->getAccessToken(true);
        }
        $accessToken = $access_token;
        // 调用微信接口生成小程序二维码
        $url = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token={$accessToken}";
        $ch  = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($params));
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        $imageData = curl_exec($ch);
        curl_close($ch);

        if($isShow){
            header("Content-Type: image/jpeg;text/html; charset=utf-8");
            echo $imageData;
            exit;
        }

        $path = 'uploadfile/admin/green_invite_qrcode/';
        if(!file_exists($path)){
            mkdir($path, 0777, true);
        }
        // 保存二维码图片
        $filename  = 'invite_qrcode_' . $code . '.png';
        $file_path = public_path($path) . $filename;
        file_put_contents($file_path, $imageData);
        return $path . $filename;
    }

<?php
/**
 * 获取微信相关接口
 */
namespace App\Services\Wechat;

use App\Tools\Common;
use App\Tools\HttpCurl;
use App\Tools\RedisCommon;

class WechatApiService extends \App\Services\BaseService
{
    public function getOpenidByCode($code)
    {
        $url = "https://api.weixin.qq.com/sns/jscode2session";
        $data = [
            'appid' => Common::getConfigValByEnv('wechat.APP_ID'),
            'secret' => Common::getConfigValByEnv('wechat.APP_SECRET'),
            'js_code' => $code,
            'grant_type' => 'authorization_code',
        ];

        /**
         * 正确时返回
         *{"session_key": "6I7echmzado/KAk0tw9t1g==",
         *"openid": "oy3tU41PkUKSzXgMQB_K515qMS_A"}
         * 失败时返回：{"errcode": 40163,"errmsg": "code been used, rid: 6448dd1c-6b6cb729-1abe846a"}
         */
        $result = HttpCurl::sendGet($url, $data);
        unset($data['secret']);
        Common::logInfo('','查询微信openid返回', ['params'=>$data,'result'=>$result]);
        $result = json_decode($result,true);

        if(Common::getConfigValByEnv('wechat.wx_api_debug') === true && empty($result['openid'])){
            $result['openid'] = 'abcfdfsd5454';
        }
        return $result;
    }

    /**
     * 通过小程序code获取用户手机号
     * {
    "errcode":0,
    "errmsg":"ok",
    "phone_info": {
    "phoneNumber":"xxxxxx",
    "purePhoneNumber": "xxxxxx",
    "countryCode": 86,
    "watermark": {
    "timestamp": 1637744274,
    "appid": "xxxx"
    }
    }
    }
     * @param $code
     * @return void
     */
    public function getPhoneNumber($code)
    {
        $result = $this->getWxPhoneNumber($code);
        if($result['errcode'] != '0' && $result['errcode'] == '40001'){
            $result = $this->getWxPhoneNumber($code, true);
        }
        if($result['errcode'] != '0'){
            return self::showMsg(self::CODE_FAIL, self::MSG_FAIL, $result);
        }

        return self::showMsg(self::CODE_SUCCESS, self::MSG_SUCCESS, $result['phone_info']);
    }

    private function getWxPhoneNumber($code, $refreshToken=false)
    {
        if(env('APP_ENV') == 'local'){
            $url = 'https://consultant.noakcent.com/wp/wechat/get_access_token';
            $result = HttpCurl::sendPost($url, ['tk'=>'!@#$%^789_'.date('md')]);
            $acObj = json_decode($result, true);
            $token = $acObj['data'];
        }else{
            $token = $this->getAccessToken($refreshToken);
        }

        $url = "https://api.weixin.qq.com/wxa/business/getuserphonenumber?access_token=".$token;
        $data = ['code'=>$code];
        $result = HttpCurl::sendJsonPost($url, $data);

        Common::logInfo('','查询微信getPhoneNumber返回', ['url'=>$url,'params'=>$data,'result'=>$result]);
        $result = json_decode($result,true);
        return $result;
    }

    /**
     * 获取微信access_token值
     * @return void
     */
    public  function getAccessToken($refresh=false)
    {
        $key = 'nobel.wechat.access_token';
        $accessToken = RedisCommon::get($key);
        if(!$accessToken || $refresh === true){
            $url = "https://api.weixin.qq.com/cgi-bin/token";
            $data = [
                'appid' => Common::getConfigValByEnv('wechat.APP_ID'),
                'secret' => Common::getConfigValByEnv('wechat.APP_SECRET'),
                'grant_type' => 'client_credential',
            ];
            $result = HttpCurl::sendGet($url, $data);
            unset($data['secret']);
            Common::logInfo('','查询微信access_token返回', ['params'=>$data,'result'=>$result]);
            $result = json_decode($result,true);
            if(!empty($result['access_token'])){
                $accessToken = $result['access_token'];
                RedisCommon::set($key, $accessToken, 7190);
            }
        }

//        if(Common::getConfigValByEnv('wechat.wx_api_debug') === true && empty($result['openid'])){
//            $result['openid'] = 'test';
//        }
        Common::logInfo('','微信access_token:', ['wx-accesstoken'=>$accessToken]);
        return $accessToken;
    }

}