var http = require('http');

var url = require('url');

var fs = require('fs');

var querystring = require('querystring');

var server = http.createServer();

var HtmlDir = __dirname + '/html/';

server.on('request', function( req, res ) {

    var urlStr = url.parse( req.url );

    switch (urlStr.pathname) {

        case '/':

            //首页

            sendData( HtmlDir + 'index.html', req, res );

            break;

        case '/user':

            //用户首页

            sendData( HtmlDir + 'user.html', req, res );

            break;

        case '/login':

            //用户登录

            sendData( HtmlDir + 'login.html', req, res );

            break;

        case '/login/check':

            //console.log(req.method);

            //console.log(urlStr);

            //console.log( querystring.parse(urlStr.query) );

            if (req.method.toUpperCase() == 'POST') {

                var str = '';

                req.on('data', function(chunk) {

                    str += chunk;

                })

                req.on('end', function() {

                    console.log(str);

                    console.log( querystring.parse( str ) );

                })

            }

            break;

        default:

            //处理其他情况

            sendData( HtmlDir + 'err.html', req, res );

            break;

    }

});

function sendData(file, req, res) {

    fs.readFile( file, function(err, data) {

        if (err) {

            res.writeHead(404, {

                'content-type' : 'text/html;charset=utf-8'

            });

            res.end('<h1>页面被LEO吃掉了</h1>');

        } else {

            res.writeHead(200, {

                'content-type' : 'text/html;charset=utf-8'

            });

            res.end(data);

        }

    } );

}

server.listen(8080, 'localhost');