簡述利用VS2017 和 js 進行桌面程式開發教學
- 巴扎黑原創
- 2017-07-22 14:03:396821瀏覽
現在基於js 和web瀏覽器核心構建的 C/S 程式越來越多，例如微信桌面版（基於duilib 和cef）、VS CODE（基於electron）等，出於了解的目的，最近學習了electron。 electron具體是什麼，可以做什麼，這裡不做過多的介紹，網上很多相關的介紹，這裡主要介紹在VS2017下怎麼進行 electron 應用程式的開發。
一、環境建置
安裝 node.js 及 npm。
安裝 vs2017 ，必須安裝 node.js web開發套件。
二、建立空白Node.js 控制台應用程式專案
建立好的專案結構入下：
三、寫 electron Hello Word
參考 ：
#1、開啟 package.json 加入：
"dependencies": {"electron": "^1.6.6"}最後內容如下：
{"name": "electron-hello-word","version": "0.0.0","description": "ElectronHelloWord","main": "app.js?1.1.11","author": {"name": "Starts_2000"},"dependencies": {"electron": "^1.6.6"}
}2、開啟app.js，輸入以下內容：
'use strict';
const { app, BrowserWindow } = require('electron')
const path = require('path')
const url = require('url')// Keep a global reference of the window object, if you don't, the window will// be closed automatically when the JavaScript object is garbage collected.let winfunction createWindow() {// Create the browser window.win = new BrowserWindow({ width: 800, height: 600 })// and load the index.html of the app. win.loadURL(url.format({
pathname: path.join(__dirname, 'index.html'),
protocol: 'file:',
slashes: true}))// Open the DevTools. win.webContents.openDevTools()// Emitted when the window is closed.win.on('closed', () => {// Dereference the window object, usually you would store windows// in an array if your app supports multi windows, this is the time// when you should delete the corresponding element.win = null})
}// This method will be called when Electron has finished// initialization and is ready to create browser windows.// Some APIs can only be used after this event occurs.app.on('ready', createWindow)// Quit when all windows are closed.app.on('window-all-closed', () => {// On macOS it is common for applications and their menu bar// to stay active until the user quits explicitly with Cmd + Qif (process.platform !== 'darwin') {
app.quit()
}
})
app.on('activate', () => {// On macOS it's common to re-create a window in the app when the// dock icon is clicked and there are no other windows open.if (win === null) {
createWindow()
}
})// In this file you can include the rest of your app's specific main process// code. You can also put them in separate files and require them here.3、新index.html檔案
<!DOCTYPE html><html><head><meta charset="UTF-8"><title>Hello World!</title></head><body><h1>Hello World!</h1>We are using node<script>document.write(process.versions.node)</script>, Chrome<script>document.write(process.versions.chrome)</script>, and Electron<script>document.write(process.versions.electron)</script>.</body></html>
四、設定與執行
1、NPM 安裝 electron 套件
安裝成功後可看到，點擊解決方案上方的顯示所有文件，可以看到
2、設定專案Node.exe路徑為：
.\node_modules\electron\dist\electron.exe
運行解決方案，就可以看到electron 的Hello Word範例了：
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