/*
* @Author: HuangBingQuan <[email protected]>
* @Date: 2024-07-07 21:16:08
* @LastEditTime: 2024-07-08 12:56:45
* @FilePath: /myCdn/index.js
*/
const http = require('http');
const fs = require('fs');
const URL = require('url');
const path = require('path');
const PORT = 1024;
// 得到文件的状态
async function getStat(filename) {
try {
return await fs.promises.stat(filename);
}catch {
console.log('catch.....');
return null;
}
}
/**
* 得到要处理的文件内容
*/
async function getFileInfo(url) {
const urlObj = URL.parse(url);
// 要处理的文件路径
let filename = path.resolve(__dirname, urlObj.pathname.substring(1));
let stat = await getStat(filename);
if(!stat) {
console.log("文件不存在");
return null;
}else if(stat.isDirectory()) {
filename = path.resolve(__dirname, urlObj.pathname.substring(1), 'index.html');
stat = await getStat(filename);
if(!stat) {
console.log("文件不存在");
return null;
}else {
console.log(filename);
return await fs.promises.readFile(filename);
}
}else {
console.log("正常文件");
return await fs.promises.readFile(filename);
}
console.log("stat", stat);
}
const handler = async (req, res)=> {
const info = await getFileInfo(req.url);
if(info) {
res.write(info);
}else {
res.statusCode = 404;
res.write("Resource is not exits");
}
res.end();
}
const server = http.createServer(handler);
server.on('listening', ()=> {
console.log(`server listen ${PORT}`);
});
server.listen(PORT);
标签:node,stat,const,log,cdn,filename,return,console,js
From: https://www.cnblogs.com/bingquan1/p/18289705