Nodejs实现的一个静态服务器实例

参考cnodejs.org上面的静态服务器例子，写了下面的一个nodejs静态服务器例子，里面包含cache,压缩，贴代码如下：

/**
 * 静态文件服务器测试例子
 * User: xuwm
 * Date: 13-5-17
 * Time: 上午8:38
 * To change this template use File | Settings | File Templates.
 */
var port=3333;
var http = require(“http”);
var url = require(“url”);
var fs = require(“fs”);
var path = require(“path”);
var mime = require(“./mime”).types;
var config = require(“./config”);
var zlib = require(“zlib”);
//创建http服务端
var server=http.createServer(function(request,response){
    var obj= url.parse(request.url);
    response.setHeader(“Server”,”Node/V8″);
    console.log(obj);
    var pathname=obj.pathname;
    if(pathname.slice(-1)===”/”){
        pathname=pathname+config.Welcome.file;   //默认取当前默认下的index.html
    }
    var realPath = path.join(“assets”, path.normalize(pathname.replace(/../g, “”)));
    console.log(realPath) ;
    var pathHandle=function(realPath){
    //用fs.stat方法获取文件
        fs.stat(realPath,function(err,stats){
            if(err){
                response.writeHead(404,”not found”,{‘Content-Type’:’text/plain’});
                response.write(“the request “+realPath+” is not found”);
                response.end();
            }else{
                if(stats.isDirectory()){
                }else{
                    var ext = path.extname(realPath);
                    ext = ext ? ext.slice(1) : ‘unknown’;
                    var contentType = mime[ext] || “text/plain”;
                    response.setHeader(“Content-Type”, contentType);