Express.js

常见问题

GET 请求 Query 传递数组参数

• 启动服务

  import express from 'express'
  
  const app = express()
  
  app.get('/echo-query', (req, res) => res.json(req.query))
  
  app.listen(3000, () => console.log('listening on :3000'))
  

• 请求接口

  curl -fsSL "http://127.0.0.1:3000/echo-query?arr[]=1&arr[]=2&arr[]=3" | jq
  

• 输出

  {
    "arr": ["1", "2", "3"]
  }