1.Test/ChenMa/webpack.config.js

const path = require('path')
module.exports = {
  mode: 'production',
  // entry: [
  //   './src/a1.js',
  //   './src/a2.js'
  // ],
  entry: {
    hello1: './src/a1.js',
    hello2: './src/a2.js'
  },
  output: {
    filename: '[name]-[id]-[hash].js',
    // filename: 'file5.js',
    clean: true,
    // path: path.resolve(__dirname, 'hello')
  }
}