var http = require("http");
var url = require("url");
var fs = require("fs");
var path = require("path");
http.createServer(function(req,res){
//得到用户的路径
var pathname = url.parse(req.url).pathname;
//默认首页
if(pathname == "/"){
pathname = "index.html";
}
//拓展名
var extname = path.extname(pathname);
//真的读取这个文件
fs.readFile("./static/" + pathname,function(err,data){
if(err){
//如果此文件不存在，就应该用404返回
fs.readFile("./static/404.html",function(err,data){
res.writeHead(404,{"Content-type":"text/html;charset=UTF8"});
res.end(data);
});
return;
};
var mime = getMime(extname);
res.writeHead(200,{"Content-type":mime});
res.end(data);
});
}).listen(3000,"127.0.0.1");
function getMime(extname){
switch(extname){
case ".html" :
return "text/html";
break;
case ".jpg" :
return "image/jepg";
break;
case ".png" :
return "image/png";
break;
case ".css":
return "text/css";
break;
case ".js":
return "application/javascript";
break;
case ".json":
return "application/json";
break;
}
}
