支持精臣型号A8开头的打印机

lib/page/print/print_page.dart

@@ -196,7 +196,7 @@ class _PrintPageState extends BaseLifecycleState<PrintPage> {
         }
         setState(() {
           // 只显示支持的打印机
-          if(deviceInfo.deviceName.contains('BTP') || deviceInfo.deviceName.contains('B3S')) {
+          if(deviceInfo.deviceName.contains('BTP') || deviceInfo.deviceName.contains('B3S') || deviceInfo.deviceName.contains('A8')) {
             deviceMacList.add(deviceInfo.deviceMac);
             deviceList.add(deviceInfo);
           }