express 學習筆記（二）request && response
阿新 • • 發佈：2019-02-16
Request:
1. req.params
2. req.query
3. req.body
4. req.files
5. req.param(id)
param -> body -> query
6. req.cookies
7. req.header == req.get
Response:
1. res.render
2. res.locals
3. res.set
4.res.status
5. res.send([body])
6. res.json([body])
7.res.redirect
程式碼： (Request)
var express = require('express'); var bodyParser = require('body-parser'); var cookieParse = require('cookie-parser'); var app = express(); // request.body 用 app.use(bodyParser.urlencoded({extended: true})); app.use(cookieParse()); app.get('/', function (request, response, next) { console.log(request.query); }); app.post('/test', function (request, response, next) { console.log(request.body); console.log(request.cookies); console.log(request.get("content-type")); }); app.listen(1234, 'localhost');
程式碼： (Response)
var express = require('express'); var hbs = require('express-handlebars'); var app = express(); app.engine('hbs', hbs()); app.set('view engine', 'hbs'); app.get('/test', function (request, response, next) { response.locals = { name:'maizi' }; next(); },function (request, response, next) { console.log(response.locals); response.set('Content-type', 'text/html'); // response.render('render', {name:"maizi.edu"}); response.render('render');//locals 會預設傳入 }); app.get('/send',function (request, response, next) { // response.send(404, 'Not Found'); response.status(200).send('<p>Hello World! </p>'); }); app.get('/json',function (request, response, next) { response.status(200).send({ name:'maizi', domin:'maizi.edu' }); }); app.get('/redirect',function (request, response, next) { // response.redirect('https://www.baidu.com'); response.redirect('/json'); }); app.listen(1234, 'localhost');
render.hbs
<head></head>
<body>
<h1> This is {{name}} </h1>
</body>