webpack2使用ch2-entry和output简要说明

1 entry打包入口 打包字符串和数组

const webpack = require('webpack'),
      path = require('path');module.exports = {
    entry: './src/script/main.js' //字符串
    //entry: ['./src/script/main.js', './src/script/a.js'], //数组
    output: {
        path: path.resolve(__dirname, './dist/js'),
        filename: 'hundle.js' //字符串或数组时输出为单个文件
    }
};

1.1 打包

2 打包对象时 

const webpack = require('webpack'),
      path = require('path');module.exports = {
    entry: {
      main: './src/script/main.js', //如果只有这个对象时
    },
    output: {
        path: path.resolve(__dirname, './dist/js'),
        filename: 'hundle.js' //可以指定一个固定的文件
    }
};

const webpack = require('webpack'),
      path = require('path');module.exports = {
    entry: { //打包多个对象时
      main: './src/script/main.js',
      a: './src/script/a.js'
    },
    output: {
        path: path.resolve(__dirname, './dist/js'),
        //必须分开输出
        filename: '[name]-[chunkhash].js' //命名格式 保证生成多个对象
    }
};

或者格式为

filename: '[name]-[hash].js' //命名格式

 每次编译不管是否修改文件名都会变