SmartPos SDK provides java API to control modules of pos terminal, such as Thermal printer, Barcode/QR scan, Magnetic Card Reader, Smart Card Reader, Customer Display, Cash Box, Fingerprint etc.
This plugin is an uni-app plugin could help your uni-app control printer and cashbox.
Web SDK provides JavaScript API to control modules. Now only support printer and cashbox.
Howto: Download WebSocketServer.apk then install and run it at once. Open webdemo in device's browser to do test.