QQ group: You first turn on the QQ contact interface of the mobile phone, click the [Group] button, and select a group when you enter the group interface. Enter the group chat interface, click the [Information] button, and then after entering the chat information interface, press the [Quan Diwei code] button, so that the group QR code will automatically generate!
WeChat group: Open your WeChat, open "Find Friends" below, the top is "QR Code Scanning" ... After opening it, switch to the camera, you can see the "options under the camera. "After clicking, my QR code will appear !!
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