npm install extract-text-webpack-plugin --save-dev

body{background-color: #ccc;
}
.flex-div{display: flex;
}

p{text-indent: 2em;
}

.layer{width: 600px;
height: 200px;
background-color: green;
> div{
width: 400px;
height: 200px;
background:url(../../img/ais.jpg);
}
.flex{display: flex;
}
}

require('./index-less.less');
require('./index.css');
require('./index2.css');
require('../module.js');
console.log('首页-index文件');

require('./login.css');
require('../module.js');
console.log('登录页-index文件');

div{margin: 0;
padding: 0;
}

//处理html模板
var htmlWebpackPlugin = require('html-webpack-plugin');
//处理共用、通用的js
var webpack = require('webpack');
//css单独打包
var ExtractTextPlugin = require("extract-text-webpack-plugin");
module.exports = {
//    entry: './src/app.js',
    entry: {
//通用模块
'common': ['./src/page/common/index.js'],
'login': ['./src/page/login/index.js'],
'index': ['./src/page/index/index.js']
},
output: {
path: __dirname   '/dist',
filename: 'js/[name].js'
},
//将外部变量或者模块加载进来
    externals: {
'jquery': 'window.jQuery'
},
module: {
loaders: [{
test: /\.js$/,
//以下目录不处理
exclude: /node_modules/,
//只处理以下目录
include: /src/,
loader: "babel-loader",
//配置的目标运行环境（environment）自动启用需要的 babel 插件
                query: {
presets: ['latest']
}
},
//css 处理这一块
            {
test: /\.css$/,
use: ExtractTextPlugin.extract({
fallback: "style-loader",
use: [
//'style-loader',
                        {
loader: 'css-loader',
options: {
//支持@important引入css
importLoaders: 1
}
},
{
loader: 'postcss-loader',
options: {
plugins: function() {
return [
//一定要写在require("autoprefixer")前面，否则require("autoprefixer")无效
require('postcss-import')(),
require("autoprefixer")({
"browsers": ["Android >= 4.1", "iOS >= 7.0", "ie >= 8"]
})
]
}
}
}
]
})
},
//less 处理这一块
            {
test: /\.less$/,
use: ExtractTextPlugin.extract({
fallback: "style-loader",
use: [
//'style-loader',
                        {
loader: 'css-loader',
options: {
//支持@important引入css
importLoaders: 1
}
},
{
loader: 'postcss-loader',
options: {
plugins: function() {
return [
//一定要写在require("autoprefixer")前面，否则require("autoprefixer")无效
require('postcss-import')(),
require("autoprefixer")({
"browsers": ["Android >= 4.1", "iOS >= 7.0", "ie >= 8"]
})
]
}
}
},
'less-loader'
]
})
},
//处理html模板
            {
test: /\.html$/,
use: {
loader: 'html-loader'
}
},
//处理图片
            {
test: /\.(png|jpg|gif|svg)$/i,
loaders: [
//小于8k的图片编译为base64，大于10k的图片使用file-loader
'url-loader?limit=8192&name:img/[name]-[hash:5].[ext]',
//图片压缩
'image-webpack-loader'
]
}
]
},
plugins: [
new htmlWebpackPlugin({
template: 'index.html',
filename: 'index.html'
}),
// 独立通用模块到js/common.js
new webpack.optimize.CommonsChunkPlugin({
//公共块的块名称
name: 'common',
//生成的文件名
filename: 'js/common.js'
}),
new ExtractTextPlugin('css/[name].css')
]
}

npm run webpack