URLμ μ΄ν΄
protocol
: μ¬μ©μκ° μλ²μ μ μνλ λ°©μμ λν ν΅μ κ·μΉ
host(domain)
: μΈν°λ·μ μ μλμ΄ μλ κ°κ°μ μ»΄ν¨ν° μ£Όμ
port
: ν λμ μ»΄ν¨ν° μμ μ¬λ¬ κ°μ μλ²κ° μλλ°, μ μν λ portμ μ°κ²°λμ΄μλ μλ²μ ν΅μ
path
: μ»΄ν¨ν°μ λλ ν 리μ νμΌμ κ°λ¦¬ν΄
query string
: λ°μ΄ν° μ λ¬
URLμ ν΅ν΄ μ
λ ₯λ κ° μ¬μ©νκΈ°
querystring
μ λ°λΌ λ€λ₯Έ μ 보 μΆλ ₯
- url κ°μ μΆμΆν΄ μνλ κ°μ μ»μ΄λΌ μ μμ
- queryData
= {id:HTML}
- queryData.id
= HTML
var _url = require('url');
var _url = request.url;
var queryData = url.parse(_url, true).query;
var http = require('http');
var fs = require('fs');
var url = require('url');
var app = http.createServer(function(request,response){
var _url = request.url;
var queryData = url.parse(_url,true).query;
if(_url == '/'){
_url = '/index.html';
}
if(_url == '/favicon.ico'){
response.writeHead(404);
response.end();
return;
}
response.writeHead(200);
console.log(__dirname + url);
response.end(queryData.id);
});
app.listen(3000);
- module
: κΈ°λ³Έμ μΌλ‘ μ 곡νλ κΈ°λ₯λ€μ λͺ¨μλμ κ°κ°μ κ·Έλ£Ή
λμ μΈ μΉνμ΄μ§ λ§λ€κΈ°
- λμ μΉνμ΄μ§
: μλ²μ μ μ₯λμ΄ μλ HTMLμ λ°μ΄ν° μΆκ°/κ°κ³΅νμ¬ λ³΄μ¬μ£Όλ λ°©λ²
var http = require('http');
var fs = require('fs');
var url = require('url');
var app = http.createServer(function(request,response){
var _url = request.url;
var queryData = url.parse(_url,true).query;
var title = queryData.id;
if(_url == '/'){
title = 'Welcome';
}
if(_url == '/favicon.ico'){
response.writeHead(404);
response.end();
return;
}
response.writeHead(200);
var template = `
<!doctype html>
<html>
<head>
<title>WEB1 - ${title}</title>
<meta charset="utf-8">
</head>
<body>
<h1><a href="/">WEB</a></h1>
<ul>
<li><a href="/?id=HTML">HTML</a></li>
<li><a href="/?id=CSS">CSS</a></li>
<li><a href="/?id=Javascript">JavaScript</a></li>
</ul>
<h2>${title}</h2>
<p><a href="https://www.w3.org/TR/html5/" target="_blank" title="html5 speicification">Hypertext Markup Language (HTML)</a> is the standard markup language for <strong>creating <u>web</u> pages</strong> and web applications.Web browsers receive HTML documents from a web server or from local storage and render them into multimedia web pages. HTML describes the structure of a web page semantically and originally included cues for the appearance of the document.
<img src="coding.jpg" width="100%">
</p><p style="margin-top:45px;">HTML elements are the building blocks of HTML pages. With HTML constructs, images and other objects, such as interactive forms, may be embedded into the rendered page. It provides a means to create structured documents by denoting structural semantics for text such as headings, paragraphs, lists, links, quotes and other items. HTML elements are delineated by tags, written using angle brackets.
</p>
</body>
</html>
`
response.end(template);
});
app.listen(3000);
Node.jsμ νμΌ μ½κΈ° κΈ°λ₯
- CRUD
Create
, Read
, Update
, Delete
- READ
var fs = require('fs');
fs.readFile('sample.txt','utf8', function(err,data) {
console.log(data);
})
νμΌμ μ΄μ©ν΄ λ³Έλ¬Έ ꡬν