# 创建授权二维码字符串 * 案例 ~~~ $qrcode = $D_A->qrcode(); $para = []; $para['u_id'] = '1000'; $qrcode = $D_A->qrcode($para); ~~~ * 回调案例 ~~~ https://open.douyin.com/platform/oauth/connect/?client_key=awzf2qsktip42lig&response_type=code&scope=user_info,video.create,video.delete,video.data,video.list,toutiao.video.create,toutiao.video.data&redirect_uri=http://XXX.com/index.php ~~~ * 注意事项 ~~~ 1.code有效期仅一次 ~~~