'use strict'
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const { app, protocol, BrowserWindow, ipcMain } = require('electron')
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const { createProtocol } = require('vue-cli-plugin-electron-builder/lib')
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const path = require('path')
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const isDevelopment = process.env.NODE_ENV !== 'production'
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const additionalData = { myKey: 'myValue' }
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let myWindow = null
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// Scheme must be registered before the app is ready
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protocol.registerSchemesAsPrivileged([
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{ scheme: 'app', privileges: { secure: true, standard: true } }
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])
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async function createWindow() {
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// Create the browser window.
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const win = new BrowserWindow({
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width: 1200,
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height: 800,
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webPreferences: {
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nodeIntegration: true,
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contextIsolation: false,
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enableRemoteModule: true,
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webSecurity: false,
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preload: path.join(__dirname, '../electron/preload.js')
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}
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})
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if (process.env.WEBPACK_DEV_SERVER_URL) {
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// Load the url of the dev server if in development mode
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await win.loadURL(process.env.WEBPACK_DEV_SERVER_URL)
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if (!process.env.IS_TEST) win.webContents.openDevTools()
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} else {
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createProtocol('app')
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// Load the index.html when not in development
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win.loadURL('app://./index.html')
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}
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// 处理打印请求
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ipcMain.on('silent-print', (event, data) => {
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const { content, printerName } = data
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const printWindow = new BrowserWindow({
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show: false,
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webPreferences: {
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nodeIntegration: true,
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contextIsolation: false
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}
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})
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printWindow.loadURL(`data:text/html;charset=utf-8,${encodeURIComponent(content)}`)
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printWindow.webContents.on('did-finish-load', () => {
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// 获取所有打印机
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const printers = printWindow.webContents.getPrinters()
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console.log('Available printers:', printers)
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// 检查指定的打印机是否存在
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const targetPrinter = printers.find(p => p.name === printerName)
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if (!targetPrinter) {
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console.error('Printer not found:', printerName)
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event.reply('print-complete', {
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success: false,
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error: `Printer "${printerName}" not found`
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})
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printWindow.close()
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return
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}
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// 设置打印选项
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const options = {
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silent: true,
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printBackground: true,
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deviceName: printerName,
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margins: {
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marginType: 'none'
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},
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landscape: false,
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scaleFactor: 100
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}
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// 执行打印
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printWindow.webContents.print(options, (success, errorType) => {
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console.log('Print result:', success, errorType)
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if (success) {
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event.reply('print-complete', { success: true })
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} else {
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event.reply('print-complete', {
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success: false,
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error: errorType || 'Unknown error'
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})
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}
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printWindow.close()
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})
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})
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// 处理加载错误
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printWindow.webContents.on('did-fail-load', (error) => {
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console.error('Failed to load content:', error)
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event.reply('print-complete', {
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success: false,
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error: 'Failed to load content'
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})
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printWindow.close()
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})
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})
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}
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const gotTheLock = app.requestSingleInstanceLock(additionalData)
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if (!gotTheLock) {
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app.quit()
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} else {
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app.on('second-instance', (event, commandLine, workingDirectory, additionalData) => {
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if (myWindow) {
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if (myWindow.isMinimized()) myWindow.restore()
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myWindow.focus()
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}
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})
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// Quit when all windows are closed.
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app.on('window-all-closed', () => {
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// On macOS it is common for applications and their menu bar
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// to stay active until the user quits explicitly with Cmd + Q
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if (process.platform !== 'darwin') {
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app.quit()
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}
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})
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app.on('activate', () => {
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// On macOS it's common to re-create a window in the app when the
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// dock icon is clicked and there are no other windows open.
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if (BrowserWindow.getAllWindows().length === 0) createWindow()
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})
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// This method will be called when Electron has finished
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// initialization and is ready to create browser windows.
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// Some APIs can only be used after this event occurs.
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app.on('ready', async () => {
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createWindow()
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})
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// Exit cleanly on request from parent process in development mode.
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if (isDevelopment) {
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if (process.platform === 'win32') {
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process.on('message', (data) => {
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if (data === 'graceful-exit') {
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app.quit()
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}
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})
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} else {
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process.on('SIGTERM', () => {
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app.quit()
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})
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}
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}
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}
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