优化打印机

electron/main.js

@@ -48,7 +48,7 @@ app.whenReady().then(() => {
 
   // 创建打印小票子窗口
   const printWin = new BrowserWindow({
-    show: true,
+    show: false,
     width: 464,
     height: 2206,
     webPreferences: {
@@ -71,8 +71,10 @@ app.whenReady().then(() => {
   })
 
   // 执行打印操作
-  printWin.on('printStart', (event, arg) => {
+  ipcMain.on('printStart', (event, arg) => {
+    console.log(arg);
     const _parmas = JSON.parse(arg)
+    console.log(_parmas)
     let name = _parmas.deviceName
     printWin.webContents.print({
       silent: true,