module.exports = {
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// 获取当前已连接的设备并发送CPCL指令
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sendCPCLDataToConnectedPrinter: function(cpclData) {
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try {
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// 获取BluetoothAdapter实例
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var BluetoothAdapter = plus.android.importClass("android.bluetooth.BluetoothAdapter");
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var BluetoothDevice = plus.android.importClass("android.bluetooth.BluetoothDevice");
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var BluetoothSocket = plus.android.importClass("android.bluetooth.BluetoothSocket");
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var UUID = plus.android.importClass("java.util.UUID");
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var bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
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if (!bluetoothAdapter.isEnabled()) {
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throw new Error('Bluetooth is not enabled');
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}
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// 获取已连接的设备
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var pairedDevices = bluetoothAdapter.getBondedDevices();
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if (pairedDevices.isEmpty()) {
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throw new Error('No paired devices found');
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}
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// 获取第一个已配对设备（可以根据需要改为选择具体的设备）
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var deviceIterator = pairedDevices.iterator();
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var device = deviceIterator.next(); // 这里假设我们只选择第一个已配对的设备
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var socket = device.createRfcommSocketToServiceRecord(UUID.fromString("00001101-0000-1000-8000-00805F9B34FB")); // 标准蓝牙串口UUID
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// 连接到已配对设备
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socket.connect();
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var outputStream = socket.getOutputStream();
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// 发送CPCL指令
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outputStream.write(cpclData);
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outputStream.flush();
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// 发送完成后关闭连接
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outputStream.close();
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socket.close();
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console.log("CPCL data sent successfully to the printer");
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return true;
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} catch (e) {
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console.error("Failed to send CPCL data:", e);
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return false;
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}
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}
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};
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