Express.JS中未提及Content-Type时如何处理CURL POST请求

Question

I am sending the following CURL request to my node.js server. But when I try to extract the data, it shows it in a weird format, which I don't know how to parse.

CURL Request:

curl -X POST -d '{ "url": "http://localhost:8000/event"}' http://localhost:8000/subscribe/topic1

Data Output

{ '{ "url": "http://localhost:8000/event"}': '' }

Code to Process the Request

app.post('/subscribe/:topic', (req, res) => {
    const topic = req.params.topic;

    /** Prnts a weird format of data !!! */
    console.log(req.body)
    
    let url = req.body.url;
    if (subscribeMap.has(topic)) { subscribeMap.get(topic).push(url) } else { subscribeMap.set(topic, [url]); }

    res.send(true)
})

And my express server is using body parsers like this:

const express = require('express');
const bodyParser = require('body-parser');
const axios = require('axios');
const app = express();
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());

Answer 1

You need to add this option to your CURL request:

-H "Content-Type: application/json"

Use it like this:

curl -X POST -d '{"url": "http://localhost:8000/event"}' -H "Content-Type: application/json" http://localhost:8000/subscribe/topic1

Answer 2

@KunalGulati，你好布朗尼！！！