首先cnpm i  css css-loader file-loader -D

之后再webpackconfig里面加入：

{
        test: /\.css$/,
        loader: 'style-loader!css-loader'
       
      },
      {
        test: /\.(eot|svg|ttf|woff|woff2)$/,
        loader: 'file-loader'
      },
      {
        test: /\.(png|jpg|gif|svg)$/,
        loader: 'file-loader',
        options: {
          name: '[name].[ext]?[hash]'
        }

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