Vue.js+Jquery+Webpack初体验

1、安装node.js运行环境，直接到官网下载相应的安装包即可，安装完后运行node -v和npm -v看下版本号

D:\web\webpack-example>node -v
v10.15.3

D:\web\webpack-example>npm -v
6.4.1

2、创建web项目，安装webpack运行环境、Vue.js和Jquery

D:\web\webpack-example>npm init -y
Wrote to D:\web\webpack-example\package.json:

{
  "name": "webpack-example",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [],
  "author": "",
  "license": "ISC"
}

npm install webpack webpack-cli --save-dev

npm install vue

npm install expose-loader --save
npm install jquery --save

执行以上命令后，生成了项目的基本目录结构

Vue.js+Jquery+Webpack初体验

3、创建src目录和源文件

Vue.js+Jquery+Webpack初体验

<!--index.html-->
<!DOCTYPE html>
<html>
<head>
	<title>Vue.js,Jquery,Webpack</title>
</head>
<body>
<div class="main" id="app">
	<div class="head" v-html="message"></div>
	<div class="content">
		<div id="menu" class="nav" v-bind:class="{nav: menuOpen, 'nav-close': !menuOpen}">
			<a class="menu-open-handler" href="javascript:;" v-on:click="openMenu">打开菜单</a>
			<a class="menu-close-handler" href="javascript:;" v-on:click="closeMenu">关闭菜单</a>
			<ul>
				<li v-for="m in menus" v-bind:id="'menu'+m.id">{{ m.text }}</li>
			</ul>
		</div>
		<div class="content-wrapper"></div>
	</div>
</div>
</body>
</html>

/*style.css*/
html, body{margin: 0; padding: 0; font-family: 'Microsoft Yahei'; height: 100%;}
a{text-decoration: none; color: grey;}
.main{width: 1200px; height: 100%; margin: 0 auto; background: #ddd; display: flex; flex-direction: column; flex: auto;}
.head{height: 60px; background: #ddd; position: relative; font-size: 2.0em;}
.content{background: pink; display: flex; flex: auto;}
.nav{width: 220px; background: silver; position: relative;}
.nav ul{list-style:none; width: 180px; margin: 30px 0; padding: 0;}
.nav ul li{cursor: pointer; width: 100%; line-height: 32px; color: grey; text-indent: 15px;}
.nav ul li:hover{color: orange; background: #ddd;}
.nav-close{width: 40px; background: silver; position: relative;}
.nav-close ul{display: none;}
.menu-open-handler{width: 90px; transform: rotate(90deg); position: absolute; left: -20px; top: 40px;}
.menu-close-handler{width: 90px; transform: rotate(-90deg); position: absolute; right: -20px; top: 20px;}
.content-wrapper{height: 100%;background: green;}

//index.js
import Vue from 'vue/dist/vue.esm.js';
require('./style.css');
require("expose-loader?$!jquery");

var app = new Vue({
	el: "#app",
	data: {
		message: '<font color="orange">Webpack</font> & <font color="green">Vue.js</font>',
		menus: [
			{id: 1, text: '菜单1'},
			{id: 2, text: '菜单2'},
			{id: 3, text: '菜单3'},
			{id: 4, text: '菜单4'}
		],
		menuOpen: true
	},
	methods: {
		openMenu: function(){
			console.log('open menu');
			$("#menu").animate({width: '220px'});
			$("#menu").find("ul").show();
			$("#menu").find("a.menu-open-handler").hide();
			$("#menu").find("a.menu-close-handler").show();
		},
		closeMenu: function(){
			console.log('open menu');
			$("#menu").animate({width: '40px'});
			$("#menu").find("ul").hide();
			$("#menu").find("a.menu-close-handler").hide();
			$("#menu").find("a.menu-open-handler").show();
		}
	},
	created: function(){
		if(this.menuOpen){
			$("#menu").find("a.menu-open-handler").hide();
			$("#menu").find("a.menu-close-handler").show();
		}else{
			$("#menu").find("a.menu-close-handler").hide();
			$("#menu").find("a.menu-open-handler").show();
		}
	}
});

4、配置webpack，安装dev-server进行调试

首先，安装2个插件clean-webpack-plugin和html-webpack-plugin用于清理output和生成html文件

npm install clean-webpack-plugin --save-dev
npm install html-webpack-plugin --save-dev

因为需要打包css文件，所以还需要安装css-loader和style-loader

npm install css-loader style-loader --save-dev

项目中还会安装webpack-dev-server来预览效果

npm install webpack-dev-server --save-dev

修改package.json，新增2个scripts，用于启动dev-server和build

{
  "name": "webpack-example",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "start": "webpack-dev-server --open",
    "build": "webpack"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "webpack": "^4.30.0",
    "webpack-cli": "^3.3.2"
  }
}

新增webpack.config.js

const path = require('path');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
	entry: {
		index: './src/index.js'
	},
	devtool: 'inline-source-map',
	devServer: {
		contentBase: './dist'
	},
	plugins: [
		new CleanWebpackPlugin(),
		new HtmlWebpackPlugin({
			template: './src/index.html'
		})
	],
	output: {
		filename: '[name].dist.js',
		path: path.resolve(__dirname, 'dist')
	},
	module: {
		rules: [{
			test: /\.css$/,
			use: [
				'style-loader',
				'css-loader'
			]
		}]
	}
}

接下来运行npm run build来打包项目，如果没有报错的话，dist目录下会生成index.html和index.dist.js两个文件，此时就可以将dist内容发布到服务器了。

最后将项目上传到github，已经安装了git bash，项目目录右键- Git bash here

git init
git add .
git status
git commit -m 'first commit'
git remote add origin https://github.com/zqiangliu/webpack-example.git
git push -u origin master

开发调试热加载可以npm start启动webpack-dev-server来预览效果。查看效果

Vue.js+Jquery+Webpack初体验

Vue.js+Jquery+Webpack初体验

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