수업소개
상세보기 페이지를 Express 버전으로 변환해볼 것입니다. 이 과정에서 query string을 사용하지 않는 pretty url(clean url, semantic url..)로 라우트 기능을 구현하는 방법을 살펴보겠습니다.
강의 1
Clean URL로 Route를 구현하는 방법을 소개해드립니다.
소스코드
main.js
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 | var express = require( 'express' ) var app = express() var fs = require( 'fs' ); var template = require( './lib/template.js' ); //route, routing //app.get('/', (req, res) => res.send('Hello World!')) app.get( '/' , function (request, response) { fs.readdir( './data' , function (error, filelist){ var title = 'Welcome' ; var description = 'Hello, Node.js' ; var list = template.list(filelist); var html = template.HTML(title, list, `<h2>${title}</h2>${description}`, `<a href= "/create" >create</a>` ); response.send(html); }); }); app.get( '/page/:pageId' , function (request, response) { response.send(request.params); }); app.listen(3000, function () { console.log( 'Example app listening on port 3000!' ) }); |
강의2
상세보기 페이지를 완성해봅시다.
소스코드
main.js
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 | var express = require( 'express' ) var app = express() var fs = require( 'fs' ); var path = require( 'path' ); var sanitizeHtml = require( 'sanitize-html' ); var template = require( './lib/template.js' ); //route, routing //app.get('/', (req, res) => res.send('Hello World!')) app.get( '/' , function (request, response) { fs.readdir( './data' , function (error, filelist){ var title = 'Welcome' ; var description = 'Hello, Node.js' ; var list = template.list(filelist); var html = template.HTML(title, list, `<h2>${title}</h2>${description}`, `<a href= "/create" >create</a>` ); response.send(html); }); }); app.get( '/page/:pageId' , function (request, response) { fs.readdir( './data' , function (error, filelist){ var filteredId = path.parse(request.params.pageId).base; fs.readFile(`data/${filteredId}`, 'utf8' , function (err, description){ var title = request.params.pageId; var sanitizedTitle = sanitizeHtml(title); var sanitizedDescription = sanitizeHtml(description, { allowedTags:[ 'h1' ] }); var list = template.list(filelist); var html = template.HTML(sanitizedTitle, list, `<h2>${sanitizedTitle}</h2>${sanitizedDescription}`, ` <a href= "/create" >create</a> <a href= "/update?id=${sanitizedTitle}" >update</a> <form action= "delete_process" method= "post" > <input type= "hidden" name= "id" value= "${sanitizedTitle}" > <input type= "submit" value= "delete" > </form>` ); response.send(html); }); }); }); app.listen(3000, function () { console.log( 'Example app listening on port 3000!' ) }); |
lib/template.js
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 | module.exports = { HTML: function (title, list, body, control){ return ` <!doctype html> <html> <head> <title>WEB1 - ${title}</title> <meta charset= "utf-8" > </head> <body> <h1><a href= "/" >WEB</a></h1> ${list} ${control} ${body} </body> </html> `; },list: function (filelist){ var list = '<ul>' ; var i = 0; while (i < filelist.length){ list = list + `<li><a href= "/page/${filelist[i]}" >${filelist[i]}</a></li>`; i = i + 1; } list = list+ '</ul>' ; return list; } } |