http.request

const http = require('http')
const https = require('https')
const fs = require('fs');
const Qs = require('qs');
function requireHTTP(url, options, httpRequire) {
  const isHttps = url.indexOf('https://') !== -1
  const request = isHttps ? https.request : http.request
  return new Promise((resolve, reject) => {
    const req = request(url, options, (res) => {
      // console.log(res.req._header)
      let data = ''
      res.setEncoding('utf8');
      res.on('data', (chunk) => { // data 事件在callbackFn里面
        // console.log(chunk);
        data += chunk
      });
      res.on('end', ()=>{ // end 事件在callbackFn里面
        resolve(data)
      });
    });
    req.on('error', (e) => {
      reject(e)
      console.log('error', e.message);
    });
    if (options.data) {
      console.log('data', options.data)
      req.write(options.data)
    }
    req.end();
  })
}
requireHTTP('http://127.0.0.1/test', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/x-www-form-urlencoded',
    'X-Requested-With': 'XMLHttpRequest',
  },
  data: Qs.stringify({
    formdata: 111
  })
}).then(res => {
  console.log(res.length);
  fs.writeFileSync('./index.html', res)
})
module.exports = {
  requireHTTP
}