330 lines
9.3 KiB
JavaScript
330 lines
9.3 KiB
JavaScript
const { app, BrowserWindow, ipcMain } = require("electron");
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const path = require("path");
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const https = require("https");
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const http = require("http");
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const fs = require("fs");
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const os = require("os");
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let mainWindow = null;
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const { Worker } = require("worker_threads");
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const log = require("electron-log");
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// 配置日志输出
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log.transports.file.level = "info";
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log.transports.file.resolvePath = () =>
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path.join(path.dirname(app.getPath("exe")), "logs", "main.log");
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log.info("App starting...");
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// 监听渲染进程日志
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ipcMain.on("log-message", (event, { level, message }) => {
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if (log[level]) {
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log[level](`[Renderer] ${message}`);
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} else {
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log.info(`[Renderer] ${message}`);
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}
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});
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let idCardWorker = null;
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function createIdCardWorker() {
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if (idCardWorker) return;
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log.info("Creating IDCard Worker...");
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idCardWorker = new Worker(path.join(__dirname, "idcard-worker.js"));
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idCardWorker.on("message", (msg) => {
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if (!mainWindow) return;
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if (msg.type === "data") {
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log.info("IDCard data received");
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mainWindow.webContents.send("idcard-data", { payload: msg.payload });
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} else if (msg.type === "error") {
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log.error("IDCard worker error message:", msg.payload);
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mainWindow.webContents.send("idcard-error", { payload: msg.payload });
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} else if (msg.type === "log") {
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log.info("[Worker]", msg.payload);
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}
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});
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idCardWorker.on("error", (err) => {
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log.error("Worker thread error:", err);
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});
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idCardWorker.on("exit", (code) => {
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if (code !== 0) log.error(`Worker stopped with exit code ${code}`);
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else log.info("Worker stopped gracefully");
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idCardWorker = null;
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});
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}
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function createWindow() {
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mainWindow = new BrowserWindow({
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width: 1080,
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height: 1920,
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fullscreen: true, // 全屏
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frame: false, // 无边框
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webPreferences: {
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preload: path.join(__dirname, "preload.js"),
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nodeIntegration: false,
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contextIsolation: true,
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},
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});
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// 启用触摸事件支持（Windows 触摸屏）
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mainWindow.webContents.on("did-finish-load", () => {
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// 注入触摸事件支持脚本
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mainWindow.webContents
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.executeJavaScript(
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`
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// 确保触摸事件可用
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if (navigator.maxTouchPoints === 0) {
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console.log('[Electron] 未检测到触摸设备，将使用鼠标事件模拟');
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} else {
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console.log('[Electron] 检测到触摸设备，触摸点数:', navigator.maxTouchPoints);
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}
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`
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)
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.catch((err) => log.error("Failed to inject touch support:", err));
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});
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const isDev = !app.isPackaged;
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if (isDev) {
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mainWindow.loadURL("http://localhost:5173");
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// 打开开发者工具
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mainWindow.webContents.openDevTools();
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} else {
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mainWindow.loadFile(path.join(__dirname, "../dist/index.html"));
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}
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}
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// 处理PDF获取请求（绕过CORS）
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ipcMain.handle("fetch-pdf", async (event, pdfUrl) => {
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return new Promise((resolve, reject) => {
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const protocol = pdfUrl.startsWith("https") ? https : http;
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protocol
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.get(pdfUrl, (response) => {
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// 处理重定向
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if (response.statusCode === 301 || response.statusCode === 302) {
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const redirectUrl = response.headers.location;
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protocol
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.get(redirectUrl, (redirectResponse) => {
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const chunks = [];
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redirectResponse.on("data", (chunk) => chunks.push(chunk));
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redirectResponse.on("end", () => {
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const buffer = Buffer.concat(chunks);
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resolve({
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success: true,
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data: buffer.toString("base64"),
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});
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});
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redirectResponse.on("error", (error) => {
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reject({ success: false, error: error.message });
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});
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})
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.on("error", (error) => {
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reject({ success: false, error: error.message });
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});
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} else {
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const chunks = [];
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response.on("data", (chunk) => chunks.push(chunk));
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response.on("end", () => {
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const buffer = Buffer.concat(chunks);
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resolve({
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success: true,
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data: buffer.toString("base64"),
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});
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});
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response.on("error", (error) => {
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reject({ success: false, error: error.message });
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});
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}
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})
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.on("error", (error) => {
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reject({ success: false, error: error.message });
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});
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});
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});
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ipcMain.handle("get-printers", async (event) => {
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try {
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const webContents = event.sender;
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if (!webContents) {
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return { success: false, error: "No webContents available" };
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}
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if (typeof webContents.getPrintersAsync === "function") {
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const printers = await webContents.getPrintersAsync();
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return { success: true, printers };
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}
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const printers = webContents.getPrinters();
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return { success: true, printers };
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} catch (error) {
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log.error("Failed to get printers:", error);
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return { success: false, error: error.message };
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}
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});
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// 处理PDF打印请求
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ipcMain.handle("print-pdf", async (event, pdfDataOrUrl, printOptions = {}) => {
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let printWindow = null;
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let tempFilePath = null;
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const targetPrinterName = printOptions?.printerName;
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try {
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let pdfPath = pdfDataOrUrl;
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// 如果是 base64 data URI，转换为临时文件
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if (pdfDataOrUrl.startsWith("data:application/pdf;base64,")) {
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const base64Data = pdfDataOrUrl.replace(
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"data:application/pdf;base64,",
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""
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);
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const buffer = Buffer.from(base64Data, "base64");
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// 创建临时文件
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tempFilePath = path.join(os.tmpdir(), `print_${Date.now()}.pdf`);
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fs.writeFileSync(tempFilePath, buffer);
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pdfPath = `file://${tempFilePath}`;
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log.info("PDF written to temp file:", tempFilePath);
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}
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// 如果是相对路径（Vite 打包后的资源），转换为绝对路径
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else if (pdfDataOrUrl.startsWith("/assets/")) {
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const isDev = !app.isPackaged;
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if (!isDev) {
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// 生产环境：从 dist 目录加载
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const absolutePath = path.join(__dirname, "..", "dist", pdfDataOrUrl);
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pdfPath = `file://${absolutePath}`;
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log.info("Using bundled PDF:", absolutePath);
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} else {
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// 开发环境：Vite 会处理，保持原样
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pdfPath = `http://localhost:5173${pdfDataOrUrl}`;
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log.info("Using dev server PDF:", pdfPath);
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}
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}
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// 如果已经是 file:// 或 http(s):// 协议，保持原样
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else if (
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!pdfDataOrUrl.startsWith("file://") &&
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!pdfDataOrUrl.startsWith("http")
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) {
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pdfPath = `file://${pdfDataOrUrl}`;
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}
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// 创建一个隐藏的窗口用于加载PDF
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printWindow = new BrowserWindow({
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width: 800,
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height: 600,
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show: false,
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webPreferences: {
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plugins: true, // 启用插件以支持 PDF 查看
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},
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});
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// 加载PDF
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await printWindow.loadURL(pdfPath);
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log.info("PDF loaded for printing");
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// 等待更长时间确保 PDF 完全渲染
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await new Promise((resolve) => setTimeout(resolve, 2000));
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// 静默打印（直接调用系统打印对话框）
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return new Promise((resolve) => {
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const basePrintOptions = {
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silent: Boolean(targetPrinterName),
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printBackground: true,
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margins: {
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marginType: "none",
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},
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};
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if (targetPrinterName) {
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basePrintOptions.deviceName = targetPrinterName;
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}
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printWindow.webContents.print(
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basePrintOptions,
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(success, errorType) => {
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// 清理临时文件
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if (tempFilePath && fs.existsSync(tempFilePath)) {
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try {
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fs.unlinkSync(tempFilePath);
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log.info("Temp file deleted");
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} catch (err) {
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log.error("Failed to delete temp file:", err);
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}
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}
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// 关闭窗口
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if (printWindow && !printWindow.isDestroyed()) {
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printWindow.close();
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}
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if (!success) {
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log.error("Print failed:", errorType);
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resolve({ success: false, error: errorType });
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} else {
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log.info("Print completed");
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resolve({ success: true });
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}
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}
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);
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});
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} catch (error) {
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log.error("Print error:", error);
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// 清理临时文件
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if (tempFilePath && fs.existsSync(tempFilePath)) {
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try {
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fs.unlinkSync(tempFilePath);
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} catch (err) {
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log.error("Failed to delete temp file:", err);
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}
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}
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if (printWindow && !printWindow.isDestroyed()) {
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printWindow.close();
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}
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return { success: false, error: error.message };
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}
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});
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app.whenReady().then(() => {
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createWindow();
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createIdCardWorker();
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// IPC <20><><EFBFBD><EFBFBD>
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ipcMain.handle("start_idcard_listen", () => {
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if (idCardWorker) {
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idCardWorker.postMessage("start");
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} else {
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createIdCardWorker();
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idCardWorker.postMessage("start");
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}
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return "started";
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});
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ipcMain.handle("stop_idcard_listen", () => {
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if (idCardWorker) {
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idCardWorker.postMessage("stop");
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}
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return "stopped";
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});
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app.on("activate", () => {
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if (BrowserWindow.getAllWindows().length === 0) {
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createWindow();
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}
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});
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});
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app.on("window-all-closed", () => {
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if (idCardWorker) {
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idCardWorker.terminate();
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}
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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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