5. vue.config.js中的一些配置，配置jQuery，关闭Source Maps，开启gzip 压缩，打包分析， 代理devServer

const webpack = require("webpack");
const CompressionPlugin = require("compression-webpack-plugin");
// npm install --save-dev compression-webpack-plugin

module.exports = {
  publicPath: "./",
  productionSourceMap: false, //这里关闭Source Maps
  configureWebpack: {
    plugins: [
      // 配置jQuery
      new webpack.ProvidePlugin({
        $: "jquery",
        jQuery: "jquery",
        "windows.jQuery": "jquery",
      }),
      // 开启gzip压缩
      new CompressionPlugin({
        algorithm: 'gzip',
        test: /.(js|css)$/,// 匹配文件名
        threshold: 10240, // 对超过10k的数据压缩
        deleteOriginalAssets: false, // 不删除源文件
        minRatio: 0.8 // 压缩比
      })
    ],
  },
  // 打包分析
  chainWebpack: (config) => {
    if (process.env.use_analyzer) {
      // 分析
      config
        .plugin("webpack-bundle-analyzer")
        .use(require("webpack-bundle-analyzer").BundleAnalyzerPlugin);
    }
  },
  devServer: {
      open: true,
      host: '0.0.0.0',
      port: 8080,
      https: false,
      hotOnly: false,
      disableHostCheck: true,
      //配置代理
      // proxy: null
      proxy: {
        //以'/api'开头的接口会转接到下面的target的ip
          '/api/': {
              target: 'http://192.168.1.164/', // target host
              secure: false,
              changeOrigin: true, // needed for virtual hosted sites
              ws: false, // proxy websockets
              pathRewrite: {
                  //路径重写
                  '^/api/': '', // rewrite path
              },
              logLevel: "debug"
          },
      }
  }
};