明日学習団は11日に挑戦試合6日目を作ります


直前の内容では、リンク手帳サーバの作成を独自に学びました.
Flask、pymongo、request、bs 4のダウンロードを忘れないでください
metaラベルはbodyではなくheadの情報です.主にKakaoTalkを共有していますが、プレビューのタグとして表示されます
og:image, og:title, og:desscription
作成されたフルバージョン:
from flask import Flask, render_template, jsonify, request
app = Flask(__name__)

import requests
from bs4 import BeautifulSoup

from pymongo import MongoClient
client = MongoClient('localhost', 27017)
db = client.dbsparta

## HTML을 주는 부분
@app.route('/')
def home():
   return render_template('index.html')

@app.route('/memo', methods=['GET'])
def listing():
    articles = list(db.articles.find({}, {'_id': False}))
    return jsonify({'all_articles': articles})

## API 역할을 하는 부분
@app.route('/memo', methods=['POST'])
def saving():
    url_receive = request.form['url_give']
    comment_receive = request.form['comment_give']

    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36'}
    data = requests.get(url_receive, headers=headers)

    soup = BeautifulSoup(data.text, 'html.parser')

    # 여기에 코딩을 해서 meta tag를 먼저 가져와보겠습니다.

    title = soup.select_one('meta[property="og:title"]')['content']
    image = soup.select_one('meta[property="og:image"]')['content']
    desc = soup.select_one('meta[property="og:description"]')['content']

    doc = {
        'title': title,
        'image': image,
        'desc': desc,
        'url': url_receive,
        'comment': comment_receive
    }

    db.articles.insert_one(doc)


    return jsonify({'msg':'저장이 완료되었습니다.'})

if __name__ == '__main__':
   app.run('0.0.0.0',port=5000,debug=True)
<!Doctype html>
<html lang="ko">

    <head>
        <!-- Required meta tags -->
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

        <!-- Bootstrap CSS -->
        <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css"
              integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm"
              crossorigin="anonymous">

        <!-- JS -->
        <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
        <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"
                integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q"
                crossorigin="anonymous"></script>

        <!-- 구글폰트 -->
        <link href="https://fonts.googleapis.com/css?family=Stylish&display=swap" rel="stylesheet">


        <title>스파르타코딩클럽 | 나홀로 메모장</title>

        <!-- style -->
        <style type="text/css">
            * {
                font-family: "Stylish", sans-serif;
            }

            .wrap {
                width: 900px;
                margin: auto;
            }

            .comment {
                color: blue;
                font-weight: bold;
            }

            #post-box {
                width: 500px;
                margin: 20px auto;
                padding: 50px;
                border: black solid;
                border-radius: 5px;
            }
        </style>
        <script>
            $(document).ready(function () {
                showArticles();
            });

            function openClose() {
                if ($("#post-box").css("display") == "block") {
                    $("#post-box").hide();
                    $("#btn-post-box").text("포스팅 박스 열기");
                } else {
                    $("#post-box").show();
                    $("#btn-post-box").text("포스팅 박스 닫기");
                }
            }

            function postArticle() {
                let url = $('#post-url').val()
                let comment = $('#post-comment').val()

                $.ajax({
                    type: "POST",
                    url: "/memo",
                    data: {url_give:url, comment_give:comment},
                    success: function (response) { // 성공하면
                        alert(response["msg"]);
                        window.location.reload()
                    }
                })
            }

            function showArticles() {
                $.ajax({
                    type: "GET",
                    url: "/memo",
                    data: {},
                    success: function (response) {
                        let articles = response['all_articles']
                        for (let i = 0; i < articles.length; i++) {
                            let title = articles[i]['title']
                            let image = articles[i]['image']
                            let url = articles[i]['url']
                            let desc = articles[i]['desc']
                            let comment = articles[i]['comment']

                            let temp_html = ` <div class="card">
                                                <img class="card-img-top"
                                                     src="${image}"
                                                     alt="Card image cap">
                                                <div class="card-body">
                                                    <a target="_blank" href="${url}" class="card-title">${title}</a>
                                                    <p class="card-text">${desc}</p>
                                                    <p class="card-text comment">${comment}</p>
                                                </div>
                                            </div>`
                            $('#cards-box').append(temp_html)
                        }

                    }
                })
            }
        </script>

    </head>

    <body>
        <div class="wrap">
            <div class="jumbotron">
                <h1 class="display-4">나홀로 링크 메모장!</h1>
                <p class="lead">중요한 링크를 저장해두고, 나중에 볼 수 있는 공간입니다</p>
                <hr class="my-4">
                <p class="lead">
                    <button onclick="openClose()" id="btn-post-box" type="button" class="btn btn-primary">포스팅 박스 열기
                    </button>
                </p>
            </div>
            <div id="post-box" class="form-post" style="display:none">
                <div>
                    <div class="form-group">
                        <label for="post-url">아티클 URL</label>
                        <input id="post-url" class="form-control" placeholder="">
                    </div>
                    <div class="form-group">
                        <label for="post-comment">간단 코멘트</label>
                        <textarea id="post-comment" class="form-control" rows="2"></textarea>
                    </div>
                    <button type="button" class="btn btn-primary" onclick="postArticle()">기사저장</button>
                </div>
            </div>
            <div id="cards-box" class="card-columns">
            </div>
        </div>
    </body>

</html>
まだ迷ってるけど昨日よりはどうすればいいか理解できる
難しすぎて何度も繰り返し見ていたので、チームプロジェクトのコーディングがうまくいかなかった.ううう