수업소개
함수를 이용해서 코드를 정리 정돈하는 모습을 경험해보겠습니다.
강의
소스코드
main.js (변경사항)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | var http = require( 'http' ); var fs = require( 'fs' ); var url = require( 'url' ); function templateHTML(title, list, body){ return ` <!doctype html> <html> <head> <title>WEB1 - ${title}</title> <meta charset= "utf-8" > </head> <body> <h1><a href= "/" >WEB</a></h1> ${list} ${body} </body> </html> `; } function templateList(filelist){ var list = '<ul>' ; var i = 0; while (i < filelist.length){ list = list + `<li><a href= "/?id=${filelist[i]}" >${filelist[i]}</a></li>`; i = i + 1; } list = list+ '</ul>' ; return list; } var app = http.createServer( function (request,response){ var _url = request.url; var queryData = url.parse(_url, true ).query; var pathname = url.parse(_url, true ).pathname; if (pathname === '/' ){ if (queryData.id === undefined){ fs.readdir( './data' , function (error, filelist){ var title = 'Welcome' ; var description = 'Hello, Node.js' ; var list = templateList(filelist); var template = templateHTML(title, list, `<h2>${title}</h2>${description}`); response.writeHead(200); response.end(template); }) } else { fs.readdir( './data' , function (error, filelist){ fs.readFile(`data/${queryData.id}`, 'utf8' , function (err, description){ var title = queryData.id; var list = templateList(filelist); var template = templateHTML(title, list, `<h2>${title}</h2>${description}`); response.writeHead(200); response.end(template); }); }); } } else { response.writeHead(404); response.end( 'Not found' ); } }); app.listen(3000); |