1、html页面代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<style type="text/css">
*{
margin: 0;
padding: 0;
}
ul li{
float: left;
width:200px;
height: 50px;
text-align: center;
list-style: none;
border: 0.1px solid #000;
line-height: 50px;
color:#fff;
}
.red{
background: red;
}
.blue{
background: blue;
}
.green{
background: green;
}
</style>
</head>
<body>
<ul>
<li class="red">1</li>
<li class="blue">2</li>
<li class="green">3</li>
</ul>
<img src="./showimg"/>
</body>
</html>
2.nodejs代码：
**********************创建服务器*******************
var http=require("http");
var url=require("url");
var router=require("./02.js")
http.createServer(function(req,res){
if(req.url!="/favicon.ico"){
pathname=url.parse(req.url).pathname;
pathname=pathname.replace(/\//,"");
console.log(pathname);
try{
router[pathname](req,res);
}catch(e){
console.log("11")
console.log(e)
}
}
}).listen(8000);
console.log("server running at http://127.0.0.1:8000/")
****************************路由******************************
var optfile=require("./03.js")
module.exports={
login:function(req,res){
res.writeHead(200,{"Content-Type":"text/html",charset:‘utf-8‘});
function recall(data){
res.write(data);
res.end("");
}
optfile.readfile("index.html",recall);
},
showimg:function(req,res){
res.writeHead(200,{"Content-Type":"image/jpeg"});
optfile.readImg("./img/w.jpg",res);
}
}
*****************************读取文档及图片*******************************
var fs=require("fs");
module.exports={
readfile:function(path,recall){
fs.readFile(path,function(err,data){
if(err){
recall("没有找到页面！");
}else{
console.log(data.toString());
recall(data);
}
})
},
readImg:function(path,res){
fs.readFile(path,"binary",function(err,file){
if(err){
console.log(err);
}else{
res.write(file,"binary");
res.end("");
}
})
}
}