var http = require('http');
var fs = require('fs');
var server = http.createServer();
var wwwDir = 'C:/Users/Mrnianj/Desktop/Nodejs/www';//第一种文件路径写法
var filePath = './www/';//第二种文件路径写法
server.on('request', function (req, res) {
    var url = req.url;
    if (url === '/') {
        // fs.readFile('./www/indx.html' , (err, data) => {
        // fs.readFile('.' + filePath, (err, data) => {
        fs.readFile(wwwDir + '/index.html', function (err, data) {
            if (err) {
                res.setHeader('Content-Type', 'text/plain;charset=utf-8');
                res.end('404 Not Found!');
            } else {
                res.setHeader('Content-Type', 'text/html;charset=utf-8');
                res.end(data);
            }
        })
    } else if (url === '/txt') {
        fs.readFile(wwwDir + '/hello.txt', function (err, data) {
            if (err) {
                res.setHeader('Content-Type', 'text/plain;charset=utf-8');
                res.end('404 Not Found!');
            } else {
                res.setHeader('Content-Type', 'text/plain;charset=utf-8');
                res.end(data);
            }
        })
    } else {
        res.setHeader('Content-Type', 'text/plain;charset=utf-8');
        res.end('404 Not Found!');
    }
})
server.listen(3000, function () {
    console.log('server is running!');
})