package.json
{
"name": "03-readfile",
"version": "1.0.0",
"description": "",
"main": "main.js", //这里
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"start": "electron ." // 这里
},
"keywords": [],
"author": "",
"license": "ISC"
}
main.js
const path = require('path')
const { app,BrowserWindow } = require('electron')
let mainWindow = null
function createWindow(){
mainWindow = new BrowserWindow({
width: 960,
height: 600,
webPreferences:{
nodeIntegration:true
}
})
mainWindow.loadURL(path.join('file://', __dirname, '/index.html'))
mainWindow.webContents.openDevTools()
mainWindow.on('closed', () => {
mainWindow = null
})
}
app.on('ready',()=>{
createWindow()
})
app.on('window-all-closed',()=>{
if(process.platform != 'darwin'){
app.quit()
}
})
app.on('active',()=>{
if(mainWindow === null){
createWindow()
}
})
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>electron</title>
</head>
<body>
<h1>hello electron</h1>
<button>点我读取</button>
<hr>
<textarea style="width: 99%;" rows="20"></textarea>
<script src="./index.js"></script>
</body>
</html>
index.js
var fs = require('fs')
let btn = document.querySelector('button')
btn.onclick = ()=>{
fs.readFile('./package.json','utf8',(err,data)=>{
if(err){
return err
}
document.querySelector('textarea').innerHTML = data
})
}