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JavaScript/Node.js

[Node.js-์ƒํ™œ์ฝ”๋”ฉ] App ์ œ์ž‘ - POST ๋ฐฉ์‹์œผ๋กœ ์ „์†ก๋œ ๋ฐ์ดํ„ฐ ๋ฐ›๊ธฐ

by ์ฝ”๋”ฉํ•˜๋Š” ๋ถ•์–ด 2021. 2. 6.
๋ฐ˜์‘ํ˜•

[์ถœ์ฒ˜-Youtube ์ƒํ™œ์ฝ”๋”ฉ]

https://www.youtube.com/watch?v=WMX5zcalAM0&list=PLuHgQVnccGMA9QQX5wqj6ThK7t2tsGxjm&index=42

 

 

main.js (๋ณ€๊ฒฝ)

var http = require('http');
var fs = require('fs');
var url = require('url');
var qs = require('querystring');
 
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}
    <a href="/create">create</a>
    ${body}
  </body>
  </html>
  `;
}
function templateList(filelist){
  var list = '<ul>';
  var i = 0;
  while(i < filelist.length){
    list = list + `<li><a href="/?id=${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 if(pathname === '/create'){
      fs.readdir('./data', function(error, filelist){
        var title = 'WEB - create';
        var list = templateList(filelist);
        var template = templateHTML(title, list, `
          <form action="http://localhost:3000/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(template);
      });
    } else if(pathname === '/create_process'){
      var body = '';
      request.on('data', function(data){  // createServer์˜ callback ํ•จ์ˆ˜
          body = body + data;
      });
      request.on('end', function(){
          var post = qs.parse(body);
          console.log(post);
      });
      response.writeHead(200);
      response.end('success');
    } else {
      response.writeHead(404);
      response.end('Not found');
    }
 
 
});
app.listen(3000);

 

 

 

 

 

โ–ถ ์ตœ์ข… ๋ณ€๊ฒฝ๋ณธ

var http = require('http');
var fs = require('fs');
var url = require('url');
var qs = require('querystring');
 
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}
    <a href="/create">create</a>
    ${body}
  </body>
  </html>
  `;
}
function templateList(filelist){
  var list = '<ul>';
  var i = 0;
  while(i < filelist.length){
    list = list + `<li><a href="/?id=${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 if(pathname === '/create'){
      fs.readdir('./data', function(error, filelist){
        var title = 'WEB - create';
        var list = templateList(filelist);
        var template = templateHTML(title, list, `
          <form action="http://localhost:3000/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(template);
      });
    } else if(pathname === '/create_process'){
      var body = '';
      request.on('data', function(data){  // createServer์˜ callback ํ•จ์ˆ˜
          body = body + data;
      });
      request.on('end', function(){
          var post = qs.parse(body);
          var title = post.title;
          var description = post.description
      });
      response.writeHead(200);
      response.end('success');
    } else {
      response.writeHead(404);
      response.end('Not found');
    }
 
 
 
});
app.listen(3000);
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