1.express中的不定向路由参数的获取
如:
app.get('/profile/:id', function(req, res) { var id=req.params.id res.send(id) });
要用req.params属性获取
2.express中get传参数获取
如:
代码:
app.get('/', function(req, res) { var user = req.query.user res.send(user) });
要用req.query获取
3.express中post参数的获取
如:
<form action="http://127.0.0.1:8081/process_post" method="POST"> First Name: <input type="text" name="first_name"> <br> Last Name: <input type="text" name="last_name"> <input type="submit" value="Submit"> </form>
var express = require('express'); var app = express(); var bodyParser = require('body-parser'); // 创建 application/x-www-form-urlencoded 编码解析 var urlencodedParser = bodyParser.urlencoded({ extended: false }) app.post('/process_post', urlencodedParser, function (req, res) { // 输出 JSON 格式 response = { first_name:req.body.first_name, last_name:req.body.last_name }; console.log(response); res.end(JSON.stringify(response)); })
要用到body-parser中间件,获取用req.body加变量名