需要安装 concurrently 模块
npm install concurrently
package.json修改如下
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"clientServer": "live-server --open=./client/index.html",
"server": "node ./server/express.server.js",
"start": "concurrently \"npm run clientServer\" \"npm run server\" "
},
npm start 会同时执行 clientServer 和 server两个命令