代码读取文本txt文件

1， golang

package main

import (
    "fmt"
    "io/ioutil"
    "net/http"
)

func main() {
    http.HandleFunc("/", serveHome)
    http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("static"))))
    fmt.Println("Server starting...")
    http.ListenAndServe(":8080", nil)
}

func serveHome(w http.ResponseWriter, r *http.Request) {
    content, err := ioutil.ReadFile("static/update_time.txt")
    if err != nil {
        http.Error(w, "File not found.", http.StatusNotFound)
        return
    }
    w.Header().Set("Content-Type", "text/plain")
    w.Write(content)
}

 

taskkill /F /IM version.exe /T

 

 

2, node.js

1, 安装node

2, install open@8.4.2

npm install open@8.4.2 -save

3, run node js

node .\version.js

node code

 

const http = require('http');

const hostname = '127.0.0.1';
const port = 3000;
let fs = require('fs')
console.log(fs);
fs.readFile('updatetime.txt', 'utf8', function (err, dataStr) {
  console.log(err);
  console.log('-------------');
  console.log(dataStr);
  const server = http.createServer((req, res) => {
    res.statusCode = 200;
    res.setHeader('Content-Type', 'text/plain; charset=utf-8');
    res.end(dataStr);
  });
  const open = require('open');
  const url = 'http://127.0.0.1:3000/'
  open(url)
  server.listen(port, hostname, () => {
    console.log(`Server running at http://${hostname}:${port}/`);
  });
})