// package.json
{
"scripts": {
// 同时启动 vite 项目 与 electron 项目
"start": "concurrently -k \"pnpm run dev\" \"pnpm run electron:dev\"",
// 将 electron 的相关ts文件编译成js文件，然后再启动 electron
"electron:dev": "tsc --project tsconfig.electron.json && cross-env ENV=dev electron electron-dist/main.js --inspect=5858"
},
}主进程
const { app, BrowserWindow, Menu, ipcMain } = require('electron')
const path = require('path')
function createWindow () {
const mainWindow = new BrowserWindow({
webPreferences: {
preload: path.join(__dirname, 'preload.js')
}
})
const menu = Menu.buildFromTemplate([
{
label: app.name,
submenu: [
{
click: () => mainWindow.webContents.send('update-counter', 1),
label: 'Increment'
},
{
click: () => mainWindow.webContents.send('update-counter', -1),
label: 'Decrement'
}
]
}
])
Menu.setApplicationMenu(menu)
mainWindow.loadFile('index.html')
// Open the DevTools.
mainWindow.webContents.openDevTools()
}
app.whenReady().then(() => {
ipcMain.on('counter-value', (_event, value) => {
console.log(value) // will print value to Node console
})
createWindow()
app.on('activate', function () {
if (BrowserWindow.getAllWindows().length === 0) createWindow()
})
})
app.on('window-all-closed', function () {
if (process.platform !== 'darwin') app.quit()
})preload.js
const { contextBridge, ipcRenderer } = require('electron')
contextBridge.exposeInMainWorld('electronAPI', {
handleCounter: (callback) => ipcRenderer.on('update-counter', callback)
})index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP -->
<meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'">
<title>Menu Counter</title>
</head>
<body>
Current value: <strong id="counter">0</strong>
<script src="./renderer.js"></script>
</body>
</html>renderer.js
const counter = document.getElementById('counter')
window.electronAPI.handleCounter((event, value) => {
const oldValue = Number(counter.innerText)
const newValue = oldValue + value
counter.innerText = newValue
event.sender.send('counter-value', newValue)
})因此如果在 preload.js 中引用了 /electron 的文件，就会报找不到模块错误
