webpack2.0配置postcss-loader的方法

npm install --save-dev postcss-loader

{
 test:/\.css$/,
 use:[
 'style-loader','css-loader?importLoaders=1','postcss-loader' 
 ] 
}

module.exports = {
 plugins: [
 require('autoprefixer')({ /* ...options */ })
 ]
}

module.exports = {
 plugins: [
 new webpack.LoaderOptionsPlugin({
 options: {
 postcss: function(){
 return [
 require("autoprefixer")({
 browsers: ['ie>=8','>1% in CN']
 })
 ]
 }
 }
 })
 ]
}