nodejs

nodejs-express-modules

Express Modules

Express 유용한 모듈

body-parser

POST 데이터 파싱

https://github.com/expressjs/body-parser

  • Express/Connect top-level generic
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    var express = require('express')
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    var bodyParser = require('body-parser')
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    var app = express()
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    // parse application/x-www-form-urlencoded
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    app.use(bodyParser.urlencoded({ extended: false }))
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    // parse application/json
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    app.use(bodyParser.json())
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    app.use(function (req, res) {
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      res.setHeader('Content-Type', 'text/plain')
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      res.write('you posted:\n')
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      res.end(JSON.stringify(req.body, null, 2))
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    })
  • Express route-specific
    1
    var express = require('express')
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    var bodyParser = require('body-parser')
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    var app = express()
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    // create application/json parser
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    var jsonParser = bodyParser.json()
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    // create application/x-www-form-urlencoded parser
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    var urlencodedParser = bodyParser.urlencoded({ extended: false })
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    // POST /login gets urlencoded bodies
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    app.post('/login', urlencodedParser, function (req, res) {
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      res.send('welcome, ' + req.body.username)
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    })
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    // POST /api/users gets JSON bodies
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    app.post('/api/users', jsonParser, function (req, res) {
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      // create user in req.body
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    })
  • Change accepted type for parsers
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    var express = require('express')
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    var bodyParser = require('body-parser')
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    var app = express()
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    // parse various different custom JSON types as JSON
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    app.use(bodyParser.json({ type: 'application/*+json' }))
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    // parse some custom thing into a Buffer
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    app.use(bodyParser.raw({ type: 'application/vnd.custom-type' }))
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    // parse an HTML body into a string
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    app.use(bodyParser.text({ type: 'text/html' }))
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