計數器程式碼

計數器程式碼：
var http = require('http');
var fs = require("fs"),
    data = "count.txt",
    count = 0,
    encode ="utf8";

fs.readFile(data, encode, function(err, file) {
    console.log(file);
    count = file;
    http.createServer(function (req, res) {
        fs.writeFile("count.txt",count,function(){});
        count++;
        res.writeHead(200, {'Content-Type': 'text/plain'});
        res.end('Hello , you are the ' +count + "st guest~");
    }).listen(1337, '127.0.0.1');
});

console.log('Server running at http://127.0.0.1:1337/');