nodejs简单http日志存储

nodejs实现简单http日志存储

 /*
 日志存储：
 202.189.63.115 - - [31/Aug/2008:15:42:31 +0800] "GET / HTTP/1.1" 200 1365 "-"
   "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:15.0) Gecko/20100101 Firefox/15.0.1"
 */

 let http = require("http"),
     fs = require("fs"),
     file = "access.log",
     retValue = Buffer.from("你好阿"),
     date = new Date(),
     day = date.getDate(),
     month = date.getMonth(),
     year = date.getFullYear(),
     hours = date.getHours(),
     seconds = date.getMinutes(),
     milis = date.getSeconds(),
     zone = "+8400";

 let server  = http.createServer(function(req,res){
 }).listen(8080)

 server.on("request",function(req,res){
     function getLog(req,status,size){
       let rizhi = "",
           ip,
           time,
           method,
           page,
           protocol,
           statusCode,
           userAgent;
       ip = req.connection.remoteAddress;
       time = `[${day}/${month}/${year}:${hours}:${seconds}:${milis} ${zone}]`;
       method = req.method;
       page = req.url;
       protocol = req.httpVersion;
       statusCode = status;
       size = size;
       userAgent = req.headers["user-agent"];
       rizhi = `${ip} - - ${time} "${method} ${page} HTTP${protocol}" ${statusCode} ${size}
         "-" "${userAgent}"`;
           console.log(rizhi)
         return rizhi;
     }
     function writeLog(f,req,res,status,size,fn){
         let rizhi = fn(req,status,size);
         fs.writeFileSync(file,rizhi)
     }
     if(req.method.toLowerCase() === 'get'){
       if(req.url === '/app'){
           let status = 200;
           let size = 20000;
           writeLog(file,req,res,status,size,getLog)
       }
     }
 })

效果：

 ::1 - - [9/5/2019:13:54:6 -480] "GET /app HTTP1.1" 200 20000
         "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36"