【vue】vue组件化开发初体验-示例vue-loader-example学习记录
- 来自 vue 官方示例:https://github.com/vuejs/vue-loader-example
- 使用了 vuejs 和 webpack,以及一系列 webpack 加载器,如 vue-loader
- 依葫芦画瓢,试了试,有些具体分析还需要再学习学习,先简单记录下具体的做法,屡屡思绪。
- 添加 github 练习源码:https://github.com/dingyiming/learn-Js-vuejs/tree/master/demos/demo-vue-loader-example/demo1
目录结构
- demo/
+ package.json //npm 配置文件
+ webpack.config.js //webpack 配置
+ index.html // 页面
- node_modules //npm 加载的模块
- src // 开发资源目录
- assets // 一些资源
+ logo.png // 图片资源
- components //vue 组件
+ a.vue
+ b.vue
+ counter.vue
+ app.vue // 布局文件
+ main.js // 入口文件
初始化 npm
1. 生成 npm 配置文件 package.json
npm init
2. 可以粘贴如下配置内容替换到 package.json 中,或者根据变动进行修改
{
"name": "demo_vue-loader-example",
"version": "0.0.1",
"description": "demo",
"main": "index.js",
"scripts": {
"dev": "webpack-dev-server --inline --hot --quiet",
"build": "export NODE_ENV=production && webpack --progress --hide-modules"
},
"author": "dingyiming",
"license": "MIT",
"devDependencies": {
"babel-core": "^6.2.1",
"babel-loader": "^6.2.0",
"babel-plugin-transform-runtime": "^6.1.18",
"babel-preset-es2015": "^6.1.18",
"babel-preset-stage-0": "^6.1.18",
"babel-runtime": "^6.2.0",
<span class="hljs-attr">"css-loader"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"^0.23.0"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"node-sass"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"^3.4.2"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"sass-loader"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"^3.1.2"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"style-loader"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"^0.13.0"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"stylus-loader"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"^1.4.2"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"file-loader"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"^0.8.5"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"jade"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"^1.11.0"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"template-html-loader"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"0.0.3"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"vue-hot-reload-api"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"^1.2.1"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"vue-html-loader"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"^1.0.0"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"vue-loader"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"^7.1.4"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"webpack"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"^1.12.9"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"webpack-dev-server"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"^1.14.0"</span>
},
"dependencies": {
"vue": "^1.0.10"
}
}
3. 下载 node 模块
npm install
- 其实我是一条条用
npm i xxx --save-dev
敲的,没有在package.json
里面的"devDependencies":{}
手动添加内容,可以一个个装(也可以一起敲)如npm i webpack --save-dev
,npm i vue --save
--save-dev
把依赖名和版本要求放在了"devDependencies":{}
,--save
放在了"dependencies":{}
- 每敲一个下载完后可以看到
"devDependencies":{}
依赖内容的添加
新建 index.html 用于展示最终页面
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Vue Webpack Example</title>
</head>
<body>
<app></app>
<script src="dist/build.js"></script>
</body>
</html>
新建 webpack.config.js 用于配置 webpack
var webpack = require('webpack')
module.exports = {
entry: './src/main.js',
output: {
path: './dist',
publicPath: 'dist/',
filename: 'build.js'
},
module: {
loaders: [
{
test: /.vue$/,
loader: 'vue'
},
{
// edit this for additional asset file types
test: /.(png|jpg|gif)$/,
loader: 'file?name=[name].[ext]?[hash]'
}
]
},
// example: if you wish to apply custom babel options
// instead of using vue-loader's default:
babel: {
presets: ['es2015', 'stage-0'],
plugins: ['transform-runtime']
}
}
if (process.env.NODE_ENV === 'production') {
module.exports.plugins = [
new webpack.DefinePlugin({
'process.env': {
NODE_ENV: '"production"'
}
}),
new webpack.optimize.UglifyJsPlugin({
compress: {
warnings: false
}
}),
new webpack.optimize.OccurenceOrderPlugin()
]
} else {
module.exports.devtool = '#source-map'
}
新建 src 目录用于存放开发文件
新建入口文件main.js
var Vue = require('vue')
var App = require('./app.vue')
new Vue({
el: 'body',
components: {
app: App
}
})
新建组件布局文件app.vue
组件布局将在这里设置,
.vue文件将由vue-loader进行加载,.vue内同时包含html、css、js源码,使组件的独立,组件之间可以尽可能地解耦,便于开发维护
<template lang="jade">
div
img(class="logo", src="./assets/logo.png")
h1 {{msg}}
comp-a
comp-b
counter
</template>
<script>
import CompA from './components/a.vue'
import CompB from './components/b.vue'
import Counter from './components/counter.vue'
export default {
data () {
return {
msg: 'Hello from vue-loader!'
}
},
components: {
CompA,
CompB,
Counter
}
}
</script>
<style lang="stylus">
font-stack = Helvetica, sans-serif
primary-color = #999
body
font 100% font-stack
color primary-color
.logo
width 40px
height 40px
</style>
新建 components 文件夹
用于开发具体的子组件,均以
.vue
的后缀呈现
- a.vue
<style scoped>
.container {
border: 1px solid #00f;
}
.red {
color: #f00;
}
</style>
<template>
<div class="container">
<h2 class="red">{{msg}}</h2>
</div>
</template>
<script>
export default {
data () {
return {
msg: 'Hello from Component A!'
}
}
}
</script>
- b.vue
<style scoped>
.container {
border: 1px solid #f00;
}
h2 {
color: #393;
}
</style>
<template>
<div class="container">
<h2>Hello from Component B!</h2>
</div>
</template>
- counter.vue
<template>
<div>
<h1>I am a Counter Component. Edit me in dev mode.</h1>
<p>Current count: {{count}}</p>
</div>
</template>
<script>
export default {
data () {
return { count: 0 }
},
ready () {
this.handle = setInterval(() => {
this.count++
}, 1000)
},
destroyed () {
clearInterval(this.handle)
}
}
</script>
新建 assets 文件夹用于放一些资源
- 此项目下有一张图
打包运行查看
- 打包:
npm run build
- 运行
npm run dev
- 查看
浏览器中访问 localhost:8080
小结
经过通读官方文档和这个源码示例多少对 vue 有了更好的认识,不过还是得接下来多练习练习,加强熟悉度。