我想在Node.js中使用Express访问查询参数。出于某种原因,req.params
不断出现作为一个空的对象。这是我在server.js
代码:快速查询参数
const express = require('express');
const exphbs = require('express-handlebars');
const bodyParser = require('body-parser');
const https = require('https');
//custom packages ..
//const config = require('./config');
const routes = require('./routes/routes');
const port = process.env.port || 3000;
var app = express();
//templating engine Handlebars
app.engine('handlebars', exphbs({defaultLayout: 'main'}));
app.set('view engine', 'handlebars');
//connect public route
app.use(express.static(__dirname + '/public/'));
app.use(bodyParser.json());
//connect routes
app.use('/', routes);
app.listen(port, () => {
console.log('Server is up and running on ' + port);
});
这里是我的路线文件:
//updated
const routes = require('express').Router();
routes.get('/', (req, res) => {
res.render('home');
});
routes.post('/scan', (req, res) => {
res.status(200);
res.send("hello");
});
routes.get('/scanned', (req, res) => {
const orderID = req.params;
console.log(req);
res.render('home', {
orderID
});
});
module.exports = routes;
当服务器运行起来,我要前往http://localhost:3000/scanned?orderid=234
。我目前在routes.js
文件中的控制台日志显示一个空的主体(未识别URL中的orderid
参数)。