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);

var lastModified = stats.mtime.toUTCString(); var ifModifiedSince = "If-Modified-Since".toLowerCase(); response.setHeader("Last-Modified",lastModified);

if (ext.match(config.Expires.fileMatch)) { var expires = new Date(); expires.setTime(expires.getTime() + config.Expires.maxAge * 1000); response.setHeader("Expires",expires.toUTCString()); response.setHeader("Cache-Control","max-age=" + config.Expires.maxAge); }

if (request.headers[ifModifiedSince] && lastModified == request.headers[ifModifiedSince]) { console.log("从浏览器cache里取") response.writeHead(304,"Not Modified"); response.end(); } else { var raw = fs.createReadStream(realPath); var acceptEncoding = request.headers['accept-encoding'] || ""; var matched = ext.match(config.Compress.match);

if (matched && acceptEncoding.match(/\bgzip\b/)) { response.writeHead(200,"Ok",{'Content-Encoding': 'gzip'}); raw.pipe(zlib.createGzip()).pipe(response); } else if (matched && acceptEncoding.match(/\bdeflate\b/)) { response.writeHead(200,{'Content-Encoding': 'deflate'}); raw.pipe(zlib.createDeflate()).pipe(response); } else { response.writeHead(200,"Ok"); raw.pipe(response); } } } } });

} pathHandle(realPath); }); server.listen(port); console.log("http server run in port:"+port);

"css": "text/css",

"gif": "image/gif",

"html": "text/html",

"ico": "image/x-icon",

"jpeg": "image/jpeg",

"jpg": "image/jpeg",

"js": "text/javascript",

"json": "application/json",

"pdf": "application/pdf",

"png": "image/png",

"svg": "image/svg+xml",

"swf": "application/x-shockwave-flash",

"tiff": "image/tiff",

"txt": "text/plain",

"wav": "audio/x-wav",

"wma": "audio/x-ms-wma",

"wmv": "video/x-ms-wmv",

"xml": "text/xml" };

exports.Compress = { match: /css|js|html/ig };

exports.Welcome = { file: "index.html" };