How can newbies quickly start html packaged desktop applications? Introduction to practical tools

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There are two tools for packaging desktop applications, one is Electron and the other is nw.js. The Electron tool used in this article is explained.

Step 1: Install Electron

cnpm install electron -g (全局安装electron)

Step 2: Install electron-packager

cnpm install electron-packager -g （打包）

Three steps: Install electron-prebuilt [After installation, command electron . to run the program]

cnpm install electron-prebuilt -g

After installing this command, it is best to install it under the project cnpm install electron-prebuilt --save-dev]

Step 4: Configuration in the package.json file under the project after the npm init project

Explanation of configuration commands

electron . Execute the command to generate an exe file in the current project directory

HelloWorld Generate exe file name

--win Generate in window Run in the system (you can also execute the command --all to represent all)

./OutApp The generated HelloWorld.exe is in the OutApp folder, and the OutApp folder is generated in the directory of the current project

--version corresponds to the version number of electron-prebuilt

--ignore=node_modiles (can be changed to execute the icon of the current exe file--icon=./img/xxx.ico)

The fifth step main.js file

// var app = require('app');  // 控制应用生命周期的模块。
// var BrowserWindow = require('browser-window');  // 创建原生浏览器窗口的模块

const electron = require('electron');
const app = electron.app;
const BrowserWindow = electron.BrowserWindow;

// 保持一个对于 window 对象的全局引用，不然，当 JavaScript 被 GC，
// window 会被自动地关闭
var mainWindow = null;

// 当所有窗口被关闭了，退出。
app.on('window-all-closed', function() {
    // 在 OS X 上，通常用户在明确地按下 Cmd + Q 之前
    // 应用会保持活动状态
    if (process.platform != 'darwin') {
        app.quit();
    }
});

// 当 Electron 完成了初始化并且准备创建浏览器窗口的时候
// 这个方法就被调用
app.on('ready', function() {
    // 创建浏览器窗口。
    mainWindow = new BrowserWindow({width: 800, height: 600});

    // 加载应用的 index.html
    mainWindow.loadURL('file://' + __dirname + '/index.html');

    // 打开开发工具
    mainWindow.openDevTools();

    // 当 window 被关闭，这个事件会被发出
    mainWindow.on('closed', function() {
        // 取消引用 window 对象，如果你的应用支持多窗口的话，
        // 通常会把多个 window 对象存放在一个数组里面，
        // 但这次不是。
        mainWindow = null;
    });
});

The sixth step executes the command

cnpm run-script packager

Then let’s take a look at the directory structure diagram and packaging effect of my project

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