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main.js
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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 pathname = url.parse(_url, true).pathname;
if (pathname === '/') {
if (queryData.id === undefined) {
fs.readdir('./data', (error, filelist) => {
var title = 'Welcome';
var desc = 'Hello, Node.js.';
var list = '<ul>';
var i = 0;
while (i < filelist.length) {
list = list + `<li><a href="/?id=${filelist[i]}">${filelist[i]}</a></li>`;
i = i + 1;
}
list = list + '</ul>';
var template = `
<!doctype html>
<html>
<head>
<title>WEB1 - ${title}</title>
<meta charset="utf-8">
</head>
<body>
<h1><a href="/">WEB</a></h1>
${list}
<h2>${title}</h2>
<p>${desc}</p>
</body>
</html>
`;
response.writeHead(200);
response.end(template);
})
} else {
fs.readdir('./data', (error, filelist) => {
var title = 'Welcome';
var desc = 'Hello, Node.js.';
var list = '<ul>';
var i = 0;
while (i < filelist.length) {
list = list + `<li><a href="/?id=${filelist[i]}">${filelist[i]}</a></li>`;
i = i + 1;
}
list = list + '</ul>';
fs.readFile(`data/${queryData.id}`, 'utf8', function (err, desc) {
var title = queryData.id;
var template = `
<!doctype html>
<html>
<head>
<title>WEB1 - ${title}</title>
<meta charset="utf-8">
</head>
<body>
<h1><a href="/">WEB</a></h1>
${list}
<h2>${title}</h2>
<p>${desc}</p>
</body>
</html>
`;
response.writeHead(200);
response.end(template);
});
});
}
} else {
response.writeHead(404);
response.end('Not found');
}
});
//listen 뒤에 오는 숫자는 포트번호를 지칭한다.
//80은 웹 서버의 기본값으로 80이라고 입력하면 url에 포트를 따로 작성하지 않아도 된다.
//localhost:{portnumber}/
app.listen(3000);