新增标签打印

electron/main.js

@@ -1,11 +1,6 @@
 import path from "path";
 import { app, BrowserWindow, ipcMain } from "electron";
-// import SerialPort from "serialport";
-
-// SerialPort.list().then(
-//   (ports) => ports.forEach(console.log),
-//   (err) => console.error(err)
-// );
+// const SerialPort = require("serialport");
 
 let win;
 app.whenReady().then(() => {
@@ -52,6 +47,16 @@ app.whenReady().then(() => {
     });
   });
 
+  // ipcMain.on("getSerialPort", () => {
+  //   SerialPort.SerialPort.list().then(
+  //     (ports) => {
+  //       console.log(ports);
+  //       win.webContents.send("seriaportList", ports);
+  //     },
+  //     (err) => console.error(err)
+  //   );
+  // });
+
   // 创建打印小票子窗口
   const printWin = new BrowserWindow({
     show: false,
@@ -156,6 +161,58 @@ app.whenReady().then(() => {
       },
     });
   });
+
+  // 标签小票的窗口
+  const tagPrintWin = new BrowserWindow({
+    show: true,
+    width: 320,
+    height: 240,
+    webPreferences: {
+      nodeIntegration: true,
+      contextIsolation: false,
+    },
+  });
+
+  if (process.env.VITE_DEV_SERVER_URL) {
+    // 加载打印的html文件
+    tagPrintWin.loadFile(path.join(__dirname, "../public/tag_print.html"));
+  } else {
+    tagPrintWin.loadFile(path.resolve(__dirname, "../dist/tag_print.html")); // 打包后使用文件路径访问应用
+  }
+
+  // 接收渲染进程发送的数据
+  ipcMain.on("printerTagSync", (event, arg) => {
+    tagPrintWin.webContents.send("getParams", arg);
+  });
+
+  // 执行标签小票的打印操作
+  ipcMain.on("printTagStart", (event, arg) => {
+    console.log(arg);
+    const _parmas = JSON.parse(arg);
+    // console.log(_parmas)
+    let name = _parmas.deviceName;
+    tagPrintWin.webContents.print({
+      silent: true,
+      deviceName: name,
+      pageSize: {
+        width: 40000,
+        height: 30000,
+      },
+      scaleFactor: 80,
+      landscape: false,
+      margins: {
+        marginType: "none",
+        top: 0,
+        bottom: 0,
+        left: 0,
+        right: 0,
+      },
+      dpi: {
+        horizontal: 203,
+        vertical: 203,
+      },
+    });
+  });
 });
 
 app.on("window-all-closed", () => {