수업소개
객체를 이용해서 탬플릿 기능을 정리 정돈하는 법을 소개합니다.
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 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | var http = require('http');var fs = require('fs');var url = require('url');var qs = require('querystring');var template = { 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} ${body} </body> </html> `; },list:function(filelist){ var list = '<ul>'; var i = 0; while(i < filelist.length){ list = list + `<li><a href="/?id=${filelist[i]}">${filelist[i]}</a></li>`; i = i + 1; } list = list+'</ul>'; return list; }}var app = http.createServer(function(request,response){ var _url = request.url; var queryData = url.parse(_url, true).query; var pathname = url.parse(_url, true).pathname; if(pathname === '/'){ if(queryData.id === undefined){ fs.readdir('./data', function(error, filelist){ var title = 'Welcome'; var description = 'Hello, Node.js'; var list = template.list(filelist); var html = template.HTML(title, list, `<h2>${title}</h2>${description}`, `<a href="/create">create</a>` ); response.writeHead(200); response.end(html); }); } else { fs.readdir('./data', function(error, filelist){ fs.readFile(`data/${queryData.id}`, 'utf8', function(err, description){ var title = queryData.id; var list = template.list(filelist); var html = template.HTML(title, list, `<h2>${title}</h2>${description}`, ` <a href="/create">create</a> <a href="/update?id=${title}">update</a> <form action="delete_process" method="post"> <input type="hidden" name="id" value="${title}"> <input type="submit" value="delete"> </form>` ); response.writeHead(200); response.end(html); }); }); } } else if(pathname === '/create'){ fs.readdir('./data', function(error, filelist){ var title = 'WEB - create'; var list = template.list(filelist); var html = template.HTML(title, list, ` <form action="/create_process" method="post"> <p><input type="text" name="title" placeholder="title"></p> <p> <textarea name="description" placeholder="description"></textarea> </p> <p> <input type="submit"> </p> </form> `, ''); response.writeHead(200); response.end(html); }); } else if(pathname === '/create_process'){ var body = ''; request.on('data', function(data){ body = body + data; }); request.on('end', function(){ var post = qs.parse(body); var title = post.title; var description = post.description; fs.writeFile(`data/${title}`, description, 'utf8', function(err){ response.writeHead(302, {Location: `/?id=${title}`}); response.end(); }) }); } else if(pathname === '/update'){ fs.readdir('./data', function(error, filelist){ fs.readFile(`data/${queryData.id}`, 'utf8', function(err, description){ var title = queryData.id; var list = template.list(filelist); var html = template.HTML(title, list, ` <form action="/update_process" method="post"> <input type="hidden" name="id" value="${title}"> <p><input type="text" name="title" placeholder="title" value="${title}"></p> <p> <textarea name="description" placeholder="description">${description}</textarea> </p> <p> <input type="submit"> </p> </form> `, `<a href="/create">create</a> <a href="/update?id=${title}">update</a>` ); response.writeHead(200); response.end(html); }); }); } else if(pathname === '/update_process'){ var body = ''; request.on('data', function(data){ body = body + data; }); request.on('end', function(){ var post = qs.parse(body); var id = post.id; var title = post.title; var description = post.description; fs.rename(`data/${id}`, `data/${title}`, function(error){ fs.writeFile(`data/${title}`, description, 'utf8', function(err){ response.writeHead(302, {Location: `/?id=${title}`}); response.end(); }) }); }); } else if(pathname === '/delete_process'){ var body = ''; request.on('data', function(data){ body = body + data; }); request.on('end', function(){ var post = qs.parse(body); var id = post.id; fs.unlink(`data/${id}`, function(error){ response.writeHead(302, {Location: `/`}); response.end(); }) }); } else { response.writeHead(404); response.end('Not found'); }});app.listen(3000); |
