优化样式

dist-electron/main.js

@@ -1,10 +1,6 @@
 "use strict";
 const path = require("path");
 const electron = require("electron");
-const { SerialPort } = require("serialport");
-SerialPort.list().then((res) => {
-  console.log(res);
-});
 let win;
 electron.app.whenReady().then(() => {
   win = new electron.BrowserWindow({
@@ -36,7 +32,6 @@ electron.app.whenReady().then(() => {
   });
   const printWin = new electron.BrowserWindow({
     show: false,
-    width: 580,
     webPreferences: {
       // 集成网页和 Node.js，也就是在渲染进程中，可以调用 Node.js 方法
       nodeIntegration: true,
@@ -51,6 +46,9 @@ electron.app.whenReady().then(() => {
   electron.ipcMain.on("printerInfoSync", (event, params) => {
     printWin.webContents.send("getParams", params);
   });
+  electron.ipcMain.on("printStart", () => {
+    console.log("开始打印");
+  });
 });
 electron.app.on("window-all-closed", () => {
   if (process.platform !== "darwin")