微信公众号二维码

 微信生成带参数的时效二维码

常用微信api

//配置文件

//other.php 

\'wechat\' => [
    \'param\' => [
        \'appid\'  　　　　　 　=> \'wx98cfd0a933247acb\',
        \'secret\'　　　　     => \'e997d5b1ab94ef639333158caf9e1ee6\',
    ],
    \'api\'   => [
        \'token\'  　　　　　 　=> \'https://api.weixin.qq.com/cgi-bin/token\', //获取access_token
        \'user\'   　　　　　 　=> \'https://api.weixin.qq.com/cgi-bin/user/info\', //获取用户信息
        \'qrcode\' 　　　　　 　=> \'https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=\', //获取ticket
        \'ticket\' 　　　　　 　=> \'https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=\',    //获取微信图片
        \'template_send\'　　  =>\'https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=\',//【POST】 推送模板信息
        \'get_openid\'　　　 　=>\'https://api.weixin.qq.com/cgi-bin/user/get?\',  //获取关注微信号的粉丝openid
        \'template_id\'　　　　=>\'https://api.weixin.qq.com/cgi-bin/template/api_add_template?\', //获得模板ID【POST】
    ],
    //网页授权登录
    \'oauth\' => [
        \'url_code\'         => \'https://open.weixin.qq.com/connect/oauth2/authorize?\',   //获取网页授权code码
        \'redirect_url\'     => \'http://zhangwei.s1.natapp.cc/wechat/Oauth_login\',          //回调地址
        \'token_url\'        => \'https://api.weixin.qq.com/sns/oauth2/access_token\',     //获取token（不同于服务器和token）
        \'refresh_token_url\'=> \'https://api.weixin.qq.com/sns/oauth2/refresh_token\',//获取刷新token
        \'user_info_url\'    => \'https://api.weixin.qq.com/sns/userinfo\',           //拉取用户的微信信息
        \'url_verify\'       =>\'https://api.weixin.qq.com/sns/auth\',                //授权用户信息验证
    ],
],
****************************************************************************************************

use Curl\Curl;
use Illuminate\Support\Facades\Config;
use Illuminate\Support\Facades\Redis;
use App\Models\Wxbind;
//生成公众号二维码
public function remind_qrcode()
    {
        $param = Config::get(\'other.wechat\');//
        $params_token = [
            \'grant_type\' => \'client_credential\',
            \'appid\'      => $param[\'param\'][\'appid\'],
            \'secret\'     => $param[\'param\'][\'secret\']
        ];
        $key = \'pay:access_token\';
        $token = Redis::get($key);
        $curl = new Curl();
　　　　// access_token缓存处理，防止反复刷新，获取达到上限值
        if(!$tokens){
            $url = $param[\'api\'][\'token\'];
            $token = $curl->post($url, $params_token);
            !$token->access_token && $this->errorOutput(\'NO_ACCESS_TOKEN\');
            $tokens = $token->access_token;
            $key = \'pay:access_token\';
            Redis::setex($key,4800,$tokens);
        }
        $params_ticket = [\'expire_seconds\' => 7200, \'action_name\' => \'QR_SCENE\',];
       // $params_ticket[\'action_info\'][\'scene\'][\'scene_id\'] =rand(100000,999999);　　
        $url = $param[\'api\'][\'qrcode\'] . $tokens;
        $ticket = $curl->post($url, json_encode($params_ticket));　//根据access_token获取ticket
        $ticket = $ticket->ticket;
        $this->set_code_redis($ticket);　　　　　　　　　　　　　　　  //此步骤可以在用户扫码关注公众号时进行绑定账号绑定，
        if (!$ticket) {
            $this->errorOutput(\'NO_TICKET\');
        }
        $url = $param[\'api\'][\'ticket\'] . urlencode($ticket);
        $qrcode = $curl->get($url, []) ? $url : \'\';
        return response()->json([\'url\' => $qrcode, \'expire_time\' => 4800]);
    }


private function set_code_redis($ticket){
    $session = new Session;
    $info=$session->get(\'userinfo\');
    $key = \'wechat\'.\':\'.\'ticket\'.$ticket;
    Redis::setex($key,300,$info);
}