1、http-get

const http = require('http');
const querystring = require('querystring')
const server = http.createServer((req,res)=>{
    const url = req.url;
    req.query = querystring.parse(url.split('?')[1])
    res.end(
        JSON.stringify(req.query)
    )
})
server.listen(8000,()=>{
    console.log('server is linstening at 8000 port')
})
//NODE控制台返回结果：
// GET
// url:  /api/get?user=weibin&age=18
// query:  { user: 'weibin', age: '18' }
// GET
// url:  /favicon.ico
// query:  {}

2、http-post

//使用POSTMAN 模拟请求  选择POST方式 填写JSON 访问http://localhost:8100
const http = require('http')
const server = http.createServer((req,res)=>{
    if(req.method  === 'POST') {
        console.log('req content-type',req.headers['content-type']) //JSON
        let postData = ''
        // 一点一点接受数据 然后拼接起来
        req.on('data',chunk=>{
            console.log('first', chunk.toString());
            postData += chunk.toString()
        })
        // 接受完毕触发req的END
        req.on('end',()=>{
             console.log('postData: ' + postData)
             res.end('hello world')
        })
    }
})
server.listen(8100,()=>{
    console.log('server is linstening at 8100 port')
})

3、get、post整合

const http = require('http')
const querystring = require('querystring')
const server = http.createServer((req, res) => {
    const method = req.method;
    const url = req.url
    const path = url.split('?')[0]
    const query = querystring.parse(url.split('?')[1])
    //设置返回格式为JSON
    res.setHeader('Content-type', 'application/json')
    //返回数据
    const resData = {
        method,
        url,
        path,
        query
    }
    //返回结果
    if (method === 'GET') {
        res.end(JSON.stringify(resData))
    }
    if (method === 'POST') {
        let postData = ''
        // 一点一点接受数据 然后拼接起来
        req.on('data', chunk => {
            postData += chunk.toString()
        })
        // 接受完毕触发req的END
        req.on('end', () => {
            resData.postData = postData
            res.end(JSON.stringify(resData))
        })
    }
})
server.listen(8000, () => {
    console.log('server is linstening at 8000 port')
})