无法使人体分析器返回任何内容

Question

我已经阅读了stackoverflow帖子的dussins，但是我的bodyparser无法正常工作。 为了不使事情复杂化，我更改为我能想到的最简单的事情，这是下面的代码，仅涉及解析一条路由。 谁能看到问题？

路由/login.js

var express = require('express');
var router = express.Router();
var bodyParser = require('body-parser');

router.get('/', (req, res) => {
        res.send('<form method="POST" action="'+ req.originalUrl +'"><input type="text" id="personalNumber" autocomplete="off"><input type="submit" value="Log in"></form>');
        res.end();
});

router.post('/', bodyParser.urlencoded({ extended: false }), (req, res) => {
        console.log('personal', req.body, req.personalNumber, res.body, req.headers);
        res.send('personal', req.body, req.personalNumber, res.body, JSON.stringify(req.headers));
        res.end();
});

module.exports = router;

server.js简化

var express = require('express');
var app = express();

var login = require(__dirname + '/routes/login');
app.use('/login', login);

app.listen(80, () => {
        console.log('Listening on port 80');
});

转到/ login，在输入中键入任何内容并提交（触发对/ login的帖子）将使用以下控制台输出：

Listening on port 80
personal {} undefined undefined { host: 'localhost',
  connection: 'keep-alive',
  'content-length': '0',
  pragma: 'no-cache',
  'cache-control': 'no-cache',
  origin: 'http://localhost',
  'upgrade-insecure-requests': '1',
  'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36',
  'content-type': 'application/x-www-form-urlencoded',
  accept: 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
  referer: 'http://localhost/login',
  'accept-encoding': 'gzip, deflate',
  'accept-language': 'en-US,en;q=0.8,sv;q=0.6' }

预期的输出将是req.body包含有关来自表单的数据的一些信息。

req.body = {
    personalNumber: 'inputData'
};

Answer 1

在所有routes之前将body-parser添加到您的主文件中时，其正常工作

因此，在server.js文件中创建express对象后，将以下代码放入

var app = express();

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

Answer 2

    var express = require('express');
    var router = express.Router();
    var bodyParser = require('body-parser');
    router.urlencoded({ extended: false });
    router.use(bodyParser.json());
    router.get('/', (req, res) => {
            res.send('<form method="POST" action="'+ req.originalUrl +'"><input type="text" id="username" autocomplete="off"><input type="submit" value="Log in"></form>');
            res.end();
    });

    router.post('/', (req, res) => {
            console.log('personal', req.body, req.personalNumber, res.body, req.headers);
            res.send('personal', req.body, req.personalNumber, res.body, JSON.stringify(req.headers));
            res.end();
    });

    module.exports = router;

试试这个，可能有效。