添加8.9页面

electron/main.js

@@ -1,8 +1,12 @@
-const { app, BrowserWindow } = require("electron");
+const { app, BrowserWindow, ipcMain } = require("electron");
 const path = require("path");
+const https = require("https");
+const http = require("http");
+
+let mainWindow;
 
 function createWindow() {
-  const win = new BrowserWindow({
+  mainWindow = new BrowserWindow({
     width: 1080,
     height: 1920,
     webPreferences: {
@@ -17,14 +21,109 @@ function createWindow() {
   const isDev = !app.isPackaged;
 
   if (isDev) {
-    win.loadURL("http://localhost:5173");
+    mainWindow.loadURL("http://localhost:5173");
     // 打开开发者工具
-    win.webContents.openDevTools();
+    mainWindow.webContents.openDevTools();
   } else {
-    win.loadFile(path.join(__dirname, "../dist/index.html"));
+    mainWindow.loadFile(path.join(__dirname, "../dist/index.html"));
   }
 }
 
+// 处理PDF获取请求（绕过CORS）
+ipcMain.handle("fetch-pdf", async (event, pdfUrl) => {
+  return new Promise((resolve, reject) => {
+    const protocol = pdfUrl.startsWith("https") ? https : http;
+    
+    protocol
+      .get(pdfUrl, (response) => {
+        // 处理重定向
+        if (response.statusCode === 301 || response.statusCode === 302) {
+          const redirectUrl = response.headers.location;
+          protocol
+            .get(redirectUrl, (redirectResponse) => {
+              const chunks = [];
+              redirectResponse.on("data", (chunk) => chunks.push(chunk));
+              redirectResponse.on("end", () => {
+                const buffer = Buffer.concat(chunks);
+                resolve({
+                  success: true,
+                  data: buffer.toString("base64"),
+                });
+              });
+              redirectResponse.on("error", (error) => {
+                reject({ success: false, error: error.message });
+              });
+            })
+            .on("error", (error) => {
+              reject({ success: false, error: error.message });
+            });
+        } else {
+          const chunks = [];
+          response.on("data", (chunk) => chunks.push(chunk));
+          response.on("end", () => {
+            const buffer = Buffer.concat(chunks);
+            resolve({
+              success: true,
+              data: buffer.toString("base64"),
+            });
+          });
+          response.on("error", (error) => {
+            reject({ success: false, error: error.message });
+          });
+        }
+      })
+      .on("error", (error) => {
+        reject({ success: false, error: error.message });
+      });
+  });
+});
+
+// 处理PDF打印请求
+ipcMain.handle("print-pdf", async (event, pdfUrl) => {
+  try {
+    // 创建一个隐藏的窗口用于加载PDF
+    const printWindow = new BrowserWindow({
+      width: 800,
+      height: 600,
+      show: false,
+      webPreferences: {
+        nodeIntegration: false,
+        contextIsolation: true,
+      },
+    });
+
+    // 加载PDF
+    await printWindow.loadURL(pdfUrl);
+
+    // 等待页面加载完成
+    await new Promise((resolve) => {
+      printWindow.webContents.on("did-finish-load", resolve);
+    });
+
+    // 静默打印（直接调用系统打印对话框）
+    printWindow.webContents.print(
+      {
+        silent: false, // 显示打印对话框
+        printBackground: true,
+        margins: {
+          marginType: "none",
+        },
+      },
+      (success, errorType) => {
+        printWindow.close();
+        if (!success) {
+          console.error("Print failed:", errorType);
+        }
+      }
+    );
+
+    return { success: true };
+  } catch (error) {
+    console.error("Print error:", error);
+    return { success: false, error: error.message };
+  }
+});
+
 app.whenReady().then(() => {
   createWindow();
 

electron/preload.js

@@ -1,6 +1,8 @@
 const { contextBridge, ipcRenderer } = require("electron");
 
 contextBridge.exposeInMainWorld("electronAPI", {
-  // 在这里暴露安全的 API 给渲染进程
-  // example: sendMessage: (message) => ipcRenderer.send('message', message)
+  // 获取PDF（绕过CORS）
+  fetchPdf: (pdfUrl) => ipcRenderer.invoke("fetch-pdf", pdfUrl),
+  // 打印PDF
+  printPdf: (pdfUrl) => ipcRenderer.invoke("print-pdf", pdfUrl),
 });