nodeJS 静态文件服务器源码

var server = require("http"),
url = require("url"),
path = require("path"),
fs = require("fs"),
mime = require("./mime").types;

// 处理客户端的请求
server.createServer(function (request, response) {
var pathname = url.parse(request.url).pathname;
var realPath = "app" + pathname;
path.exists(realPath, function (exists) {
if (!exists) {
response.writeHead(404, {
'Content-Type': 'text/plain'
});
response.write("访问路径没有找到。");
response.end();
} else {
fs.readFile(realPath, "binary", function (err, file) {
if (err) {
response.writeHead(500, {
'Content-Type': 'text/plain'
});
response.end(err);
} else {
var ext = path.extname(realPath);
ext = ext ? ext.slice(1) : 'html';
var contentType = mime[ext] || "text/plain";
response.writeHead(200, {
'Content-Type': contentType
});
response.write(file, "binary");
response.end();
}
});
}
});
}).listen(9099);

//控制台中输出信息
console.log("Server is listening port 9099...");

/**
* @author wangbin
*/

exports.types = {
"aiff": "audio/x-aiff",
"arj": "application/x-arj-compressed",
"asf": "video/x-ms-asf",
"asx": "video/x-ms-asx",
"au": "audio/ulaw",
"avi": "video/x-msvideo",
"bcpio": "application/x-bcpio",
"ccad": "application/clariscad",
"cod": "application/vnd.rim.cod",
"com": "application/x-msdos-program",
"cpio": "application/x-cpio",
"cpt": "application/mac-compactpro",
"csh": "application/x-csh",
"css": "text/css",
"deb": "application/x-debian-package",
"dl": "video/dl",
"doc": "application/msword",
"drw": "application/drafting",
"dvi": "application/x-dvi",
"dwg": "application/acad",
"dxf": "application/dxf",
"dxr": "application/x-director",
"etx": "text/x-setext",
"ez": "application/andrew-inset",
"fli": "video/x-fli",
"flv": "video/x-flv",
"gif": "image/gif",
"gl": "video/gl",
"gtar": "application/x-gtar",
"gz": "application/x-gzip",
"hdf": "application/x-hdf",
"hqx": "application/mac-binhex40",
"html": "text/html",
"ice": "x-conference/x-cooltalk",
"ico": "image/x-icon",
"ief": "image/ief",
"igs": "model/iges",
"ips": "application/x-ipscript",
"ipx": "application/x-ipix",
"jad": "text/vnd.sun.j2me.app-descriptor",
"jar": "application/java-archive",
"jpeg": "image/jpeg",
"jpg": "image/jpeg",
"js": "text/javascript",
"json": "application/json",
"latex": "application/x-latex",
"lsp": "application/x-lisp",
"lzh": "application/octet-stream",
"m": "text/plain",
"m3u": "audio/x-mpegurl",
"man": "application/x-troff-man",
"me": "application/x-troff-me",
"midi": "audio/midi",
"mif": "application/x-mif",
"mime": "www/mime",
"movie": "video/x-sgi-movie",
"mp4": "video/mp4",
"mpg": "video/mpeg",
"mpga": "audio/mpeg",
"ms": "application/x-troff-ms",
"nc": "application/x-netcdf",
"oda": "application/oda",
"ogm": "application/ogg",
"pbm": "image/x-portable-bitmap",
"pdf": "application/pdf",
"pgm": "image/x-portable-graymap",
"pgn": "application/x-chess-pgn",
"pgp": "application/pgp",
"pm": "application/x-perl",
"png": "image/png",
"pnm": "image/x-portable-anymap",
"ppm": "image/x-portable-pixmap",
"ppz": "application/vnd.ms-powerpoint",
"pre": "application/x-freelance",
"prt": "application/pro_eng",
"ps": "application/postscript",
"qt": "video/quicktime",
"ra": "audio/x-realaudio",
"rar": "application/x-rar-compressed",
"ras": "image/x-cmu-raster",
"rgb": "image/x-rgb",
"rm": "audio/x-pn-realaudio",
"rpm": "audio/x-pn-realaudio-plugin",
"rtf": "text/rtf",
"rtx": "text/richtext",
"scm": "application/x-lotusscreencam",
"set": "application/set",
"sgml": "text/sgml",
"sh": "application/x-sh",
"shar": "application/x-shar",
"silo": "model/mesh",
"sit": "application/x-stuffit",
"skt": "application/x-koan",
"smil": "application/smil",
"snd": "audio/basic",
"sol": "application/solids",
"spl": "application/x-futuresplash",
"src": "application/x-wais-source",
"stl": "application/SLA",
"stp": "application/STEP",
"sv4cpio": "application/x-sv4cpio",
"sv4crc": "application/x-sv4crc",
"svg": "image/svg+xml",
"swf": "application/x-shockwave-flash",
"tar": "application/x-tar",
"tcl": "application/x-tcl",
"tex": "application/x-tex",
"texinfo": "application/x-texinfo",
"tgz": "application/x-tar-gz",
"tiff": "image/tiff",
"tr": "application/x-troff",
"tsi": "audio/TSP-audio",
"tsp": "application/dsptype",
"tsv": "text/tab-separated-values",
"txt": "text/plain",
"unv": "application/i-deas",
"ustar": "application/x-ustar",
"vcd": "application/x-cdlink",
"vda": "application/vda",
"vivo": "video/vnd.vivo",
"vrm": "x-world/x-vrml",
"wav": "audio/x-wav",
"wax": "audio/x-ms-wax",
"wma": "audio/x-ms-wma",
"wmv": "video/x-ms-wmv",
"wmx": "video/x-ms-wmx",
"wrl": "model/vrml",
"wvx": "video/x-ms-wvx",
"xbm": "image/x-xbitmap",
"xlw": "application/vnd.ms-excel",
"xml": "text/xml",
"xpm": "image/x-xpixmap",
"xwd": "image/x-xwindowdump",
"xyz": "chemical/x-pdb",
"zip": "application/zip"
};