(Wechat group QR code live code tool generates wechat group QR code, which can be switched at any time! The QR code of wechat official group is valid for 7 days. After the expiration date, the QR code cannot be scanned into the group, or the QR code cannot be scanned into the group after the group reaches 200 people. If the group is full or expired when we promote, others will still want to join the group, and we will lose a lot of promotion effect. Therefore, with the group live broadcast code, you can switch the content and QR code displayed after scanning the code without changing the link, which can be changed flexibly!You only need to modify mysql PHP database configuration and background account password. The default background account is admin and the password is admin123456. You also need to put Qun_ huoma. Import SQL into the database.)