Express Get和Post获取参数-优快云博客

本文介绍了一个使用 Node.js 的 Express 框架实现 GET 和 POST 请求处理的简单示例。通过安装必要的模块并设置路由，演示了如何从浏览器发送请求及在服务器端接收这些请求。

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原创转载请注明出处：http://agilestyle.iteye.com/blog/2354503

Project Directory

npm install express

npm install body-parser

Note：post提交需要这个body-parser来获取参数

index.html

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>express get & post</title>
</head>
<body>
	<form action="/testget" method="get">
		<label for="username">username:</label><input type="text" name="username"><br>
		<label for="password">password:</label><input type="password" name="password"><br>
		<input type="submit" value="test-get">
	</form>

	<hr>

	<form action="/testpost" method="post">
		<label for="username">username:</label><input type="text" name="username"><br>
		<label for="password">password:</label><input type="password" name="password"><br>
		<input type="submit" value="test-post">
	</form>
</body>
</html>

index.js

var express = require('express');
var bodyParser = require('body-parser');
var app = express();

var urlencodedParser = bodyParser.urlencoded({
	extended: false
});

app.use(bodyParser.urlencoded({
	extended: false
}));

app.get('/', function(req, res) {
	res.sendFile(__dirname + "/index.html");
});

app.get('/testget', function(req, res) {
	// http://localhost:8888/testget?username=hello&password=world
	var username = req.query.username;
	var password = req.query.password;

	console.log(username);
	console.log(password);

	res.send('Hello Get');
});

app.post('/testpost', function(req, res) {
	// http://localhost:8888/testpost
	var username = req.body.username;
	var password = req.body.password;

	console.log(username);
	console.log(password);

	res.send('Hello Post');
});

app.listen(8888, function() {
	console.log('listening on port 8888');
});