webpack执行命令的不同方式

1. 使用局部安装webpack和webpack-cli（如使用webpack3只需安装webpack3即可，因为webpack3里面集成了webpack-cli）,使用package.json中scripts配置执行命令

局部安装webpack和webpack-cli

npm install webpack webpack-cli --save-dev

package.json

  "scripts": {
    "build": "webpack"
  }

此时在终端执行npm run build即可

2. 使用局部安装webpack和webpack-cli

局部安装webpack和webpack-cli

npm install webpack webpack-cli --save-dev

直接在终端执行node_modules/.bin/webpack命令

3. 全局安装webpack和webpack-cli

全局安装webpack和webpack-cli

npm install webpack webpack-cli -g

局部安装

npm install webpack webpack-cli --save-dev

此时可在终端直接使用webpack命令