下面的代码用get方法在网页中能显示，并且提交url会改变，但是改为post后在网页主页中点击链接打开subform网页就报404错误。
//form.ejs
<!DOCTYPE html>
<html>
<head>
<title><%= title %></title>
<link rel=‘stylesheet’ href=’/stylesheets/style.css’ />
</head>
<body>
<a href="/">首页</a> <br />
<a href="/subform">如何提交表单并接收参数?</a> <br />
<a href="/usesession">如何使用session?</a><br />
<a href="/usecookies">如何使用cookies?</a><br />
<a href="/usecrypto">如何字符串加密?</a>
<form method=“post”>
用户名：<input type=“text” id=“txtUserName” name=“txtUserName” />
密码：<input type=“password” id=“txtUserPwd” name=“txtUserPwd” />
<input type=“submit” value=“提交”>
</form>
</body>
</html>
/********/
//form.js
var express = require(‘express’);
var router = express.Router();
router.post(’/’, function(req, res) {
var
userName = req.body.txtUserName,
userPwd = req.body.txtUserPwd,
userName2 = req.param(‘txtUserName’),
userPwd2 = req.param(‘txtUserPwd’);
console.log(‘req.body用户名:’+userName);
console.log(‘req.body密码:’+userPwd);
console.log(‘req.param用户名:’+userName2);
console.log(‘req.param密码:’+userPwd2);
res.render(‘subform’, { title: ‘提交表单及接收参数示例’ });
});
module.exports = router;
//
主页点击链接就出错，其他的连接都有用：
Not Found
404
Error: Not Found at D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\app.js:38:15 at Layer.handle [as handle_request] (D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\layer.js:82:5) at trim_prefix (D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:302:13) at D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:270:7 at Function.proto.process_params (D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:321:12) at next (D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:261:10) at D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:603:15 at next (D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:246:14) at Function.proto.handle (D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:166:3) at router (D:\Program Files\HBuilder\xiangmu\helloworld\nodejs-demo-express4\node_modules\express\lib\router\index.js:35:12)
@THCloud你好，我是刚学node.js。我再在路由中加入一个get方法就可以运行了，运行的是post方法，为什么会这样呢？get方法可以单独运行，但是用post方法也需要把get方法同样的路径写到路由中
var name = req.body[‘name’], address = req.body[‘address’], tel = req.body[‘tel’], content = req.body[‘content’]; param是获取链接名的
