nodejs test api

app.js

// mkdir test-node; cd test-node; touch app.js; npm init -y
// 安装：npm install --save express nodemon body-parser
// 执行：nodemon app

var express = require('express');
var app = express();

app.get('/api', (req, res, next) => {
  res.send(req.query);
});

app.listen(3000);

// 访问：curl http://localhost:3000/api?a=1