46 lines
1.3 KiB
JavaScript
46 lines
1.3 KiB
JavaScript
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const express = require('express');
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const ThermalPrinter = require('node-thermal-printer').printer;
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const Types = require('node-thermal-printer').types;
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const printer = require('printer');
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const app = express();
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const port = 3000;
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// Middleware to serve static files (HTML)
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app.use(express.static('public'));
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// Setup thermal printer
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const thermalPrinter = new ThermalPrinter({
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type: Types.STAR, // Replace with the correct printer type (e.g., STAR, EPSON)
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interface: 'printer:TSP100', // Printer name as recognized by the OS
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driver: printer, // Use node-printer driver
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});
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// Test print function
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app.post('/test-print', async (req, res) => {
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try {
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// Initialize the printer
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const isConnected = await thermalPrinter.isPrinterConnected();
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if (!isConnected) {
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return res.status(500).json({ message: 'Printer not connected' });
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}
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// Print a test line
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thermalPrinter.println('This is a test print');
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thermalPrinter.cut();
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// Execute the print job
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await thermalPrinter.execute();
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res.json({ message: 'Print Success' });
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} catch (error) {
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console.error('Print Error:', error);
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res.status(500).json({ message: 'Print Error', error: error.message });
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}
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});
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// Start the server
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app.listen(port, () => {
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console.log(`Server running at http://localhost:${port}`);
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});
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