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웹개발 종합반 4일차 -2 본문

내배캠 초기 학습/웹개발 종합반

웹개발 종합반 4일차 -2

chaeyoung- 2023. 5. 12. 19:26

20230512 2:30 pm - 7;25 pm

get, post 방식을 통한 데이터 저장 및 출력

 

1. GET & POST 방식

GET 요청

- 통상적으로 데이터 조회(Read)를 요청할 때 사용

예) 영화 목록 조회

-> 데이터 전달 : URL뒤에 물음표를 붙여 key=value로 전달

 

POST 요청

- 통상적으로 데이터 생성, 변경, 삭제 요청할 때 사용

예) 회원가입, 회원탈퇴, 비밀번호 수정

-> 데이터 전달 : 바로 보이지 않는 html

 

 

2. GET & POST 방식 기초 실습

서버 끌 때 Ctrl + C 로 OFF 해야 함!

GET 요청하기

app.py에 아래와 같이 수정.

API를 만들고 사용하는 과정에서 request와 jsonify 두가지 기능이 필요함.

/test 라는 창구로 get 요청이 들어오는데 이때, title_give라는 데이터가 있으면 title_receive라는 변수에 저장

return 다음 코드를 통해 

[app.py]

from flask import Flask, render_template, request, jsonify
app = Flask(__name__)

@app.route('/')
def home():
   return render_template('index.html')

@app.route('/test', methods=['GET'])
def test_get():
   title_receive = request.args.get('title_give')
   print(title_receive)
   return jsonify({'result':'success', 'msg': '이 요청은 GET!'})

if __name__ == '__main__':  
   app.run('0.0.0.0',port=5000,debug=True)

[index.html]

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <title>Document</title>

    <script>
        function hey() {
            fetch("/test").then(res => res.json()).then(data => {
                console.log(data)
            })
        }
    </script>
</head>

<body>
    <h1>제목을 입력합니다.</h1>
    <button onclick="hey()">나는 버튼!</button>
</body>

</html>

버튼 클릭 후 결과 :

 

 

POST 요청하기

[app.py]

from flask import Flask, render_template, request, jsonify
app = Flask(__name__)

@app.route('/')
def home():
   return render_template('index.html')

@app.route('/test', methods=['POST'])
def test_post():
   title_receive = request.form['title_give']
   print(title_receive)
   return jsonify({'result':'success', 'msg': '이 요청은 POST!'})

if __name__ == '__main__':  
   app.run('0.0.0.0',port=5000,debug=True)

[index.html]

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <title>Document</title>

    <script>
        function hey() {
            let formData = new FormData();
            formData.append("title_give", "블랙팬서");

            fetch("/test", { method: "POST", body: formData }).then(res => res.json()).then(data => {
                console.log(data)
            })
        }
    </script>
</head>

<body>
    <h1>제목을 입력합니다.</h1>
    <button onclick="hey()">나는 버튼!</button>
</body>

</html>

버튼 클릭 후 결과 :

[브라우저 결과]

[서버 결과]

 

 

3. 응용 실습 4개

 

1) 화성땅 공동구매

- sparta - projects - mars 폴더에서 시작!

초기 환경 설정 : app.py 파일 생성 - 가상환경 만들고, 이동 - 터미널 껐다가 다시 키기 - templates 폴더 생성 - app.py로 가서 터미널에서 라이브러리 설치(venv에 넣어주는 것임)

pip install flask

pip install pymongo

pip install dnspython

 

Base Code

[app.py]

from flask import Flask, render_template, request, jsonify
app = Flask(__name__)

@app.route('/')
def home():
    return render_template('index.html')

@app.route("/mars", methods=["POST"])
def mars_post():
    sample_receive = request.form['sample_give']
    print(sample_receive)
    return jsonify({'msg':'POST 연결 완료!'})

@app.route("/mars", methods=["GET"])
def mars_get():
    return jsonify({'msg':'GET 연결 완료!'})

if __name__ == '__main__':
    app.run('0.0.0.0', port=5000, debug=True)

[index.html]

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />

    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
        integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous" />
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"
        integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM"
        crossorigin="anonymous"></script>

    <link href="https://fonts.googleapis.com/css2?family=Gowun+Batang:wght@400;700&display=swap" rel="stylesheet" />

    <title>선착순 공동구매</title>

    <style>
        * {
            font-family: "Gowun Batang", serif;
            color: white;
        }

        body {
            background-image: linear-gradient(0deg,
                    rgba(0, 0, 0, 0.5),
                    rgba(0, 0, 0, 0.5)),
                url("https://cdn.aitimes.com/news/photo/202010/132592_129694_3139.jpg");
            background-position: center;
            background-size: cover;
        }

        h1 {
            font-weight: bold;
        }

        .order {
            width: 500px;
            margin: 60px auto 0px auto;
            padding-bottom: 60px;
        }

        .mybtn {
            width: 100%;
        }

        .order>table {
            margin: 40px 0;
            font-size: 18px;
        }

        option {
            color: black;
        }
    </style>
    <script>
        $(document).ready(function () {
            show_order();
        });
        function show_order() {
            fetch('/mars').then((res) => res.json()).then((data) => {
                console.log(data)
                alert(data['msg'])
            })
        }
        function save_order() {
            let formData = new FormData();
            formData.append("sample_give", "샘플데이터");

            fetch('/mars', { method: "POST", body: formData }).then((res) => res.json()).then((data) => {
                console.log(data);
                alert(data["msg"]);
            });
        }
    </script>
</head>

<body>
    <div class="mask"></div>
    <div class="order">
        <h1>화성에 땅 사놓기!</h1>
        <h3>가격: 평 당 500원</h3>
        <p>
            화성에 땅을 사둘 수 있다고?<br />
            앞으로 백년 간 오지 않을 기회. 화성에서 즐기는 노후!
        </p>
        <div class="order-info">
            <div class="input-group mb-3">
                <span class="input-group-text">이름</span>
                <input id="name" type="text" class="form-control" />
            </div>
            <div class="input-group mb-3">
                <span class="input-group-text">주소</span>
                <input id="address" type="text" class="form-control" />
            </div>
            <div class="input-group mb-3">
                <label class="input-group-text" for="size">평수</label>
                <select class="form-select" id="size">
                    <option selected>-- 주문 평수 --</option>
                    <option value="10평">10평</option>
                    <option value="20평">20평</option>
                    <option value="30평">30평</option>
                    <option value="40평">40평</option>
                    <option value="50평">50평</option>
                </select>
            </div>
            <button onclick="save_order()" type="button" class="btn btn-warning mybtn">
                주문하기
            </button>
        </div>
        <table class="table">
            <thead>
                <tr>
                    <th scope="col">이름</th>
                    <th scope="col">주소</th>
                    <th scope="col">평수</th>
                </tr>
            </thead>
            <tbody id="order-box">
                <tr>
                    <td>홍길동</td>
                    <td>서울시 용산구</td>
                    <td>20평</td>
                </tr>
                <tr>
                    <td>임꺽정</td>
                    <td>부산시 동구</td>
                    <td>10평</td>
                </tr>
                <tr>
                    <td>세종대왕</td>
                    <td>세종시 대왕구</td>
                    <td>30평</td>
                </tr>
            </tbody>
        </table>
    </div>
</body>

</html>

mongoDB Atlas 브라우저 띄ㅓ두기

users, movies 삭제.

 

app.py 실행하면 아래와 같이 뜸

 

 

1. 데이터 저장 기능 구현 (POST)

  • 데이터 명세
  • 클라이언트와 서버 연결 확인하기
  • 서버부터 만들기
  • 클라이언트 만들기
  • 완성 확인하기

정답 : 

[app.py]

from flask import Flask, render_template, request, jsonify
app = Flask(__name__)

from pymongo import MongoClient
client = MongoClient('mongodb+srv://sparta:test@limchaeyoung.boi4rwj.mongodb.net/?retryWrites=true&w=majority')
db = client.dbsparta

@app.route('/')
def home():
    return render_template('index.html')

@app.route("/mars", methods=["POST"])
def mars_post():
    name_receive = request.form['name_give']
    address_receive = request.form['address_give']
    size_receive = request.form['size_give']
    
    doc = {'name':name_receive,
           'address': address_receive,
           'size': size_receive}
    db.mars.insert_one(doc)
    return jsonify({'msg':'저장 완료!'})

@app.route("/mars", methods=["GET"])
def mars_get():
    return jsonify({'msg':'GET 연결 완료!'})

if __name__ == '__main__':
    app.run('0.0.0.0', port=5000, debug=True)

[index.html]

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />

    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
        integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous" />
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"
        integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM"
        crossorigin="anonymous"></script>

    <link href="https://fonts.googleapis.com/css2?family=Gowun+Batang:wght@400;700&display=swap" rel="stylesheet" />

    <title>선착순 공동구매</title>

    <style>
        * {
            font-family: "Gowun Batang", serif;
            color: white;
        }

        body {
            background-image: linear-gradient(0deg,
                    rgba(0, 0, 0, 0.5),
                    rgba(0, 0, 0, 0.5)),
                url("https://cdn.aitimes.com/news/photo/202010/132592_129694_3139.jpg");
            background-position: center;
            background-size: cover;
        }

        h1 {
            font-weight: bold;
        }

        .order {
            width: 500px;
            margin: 60px auto 0px auto;
            padding-bottom: 60px;
        }

        .mybtn {
            width: 100%;
        }

        .order>table {
            margin: 40px 0;
            font-size: 18px;
        }

        option {
            color: black;
        }
    </style>
    <script>
        $(document).ready(function () {
            show_order();
        });
        function show_order() {
            fetch('/mars').then((res) => res.json()).then((data) => {
                console.log(data)
                alert(data['msg'])
            })
        }
        function save_order() {
            let name = $('#name').val()
            let address = $('#address').val()
            let size = $('#size').val()

            let formData = new FormData();
            formData.append("name_give", name);
            formData.append("address_give", address);
            formData.append("size_give", size);

            fetch('/mars', { method: "POST", body: formData }).then((res) => res.json()).then((data) => {
                alert(data["msg"]);
                window.location.reload();
            });
        }
    </script>
</head>

<body>
    <div class="mask"></div>
    <div class="order">
        <h1>화성에 땅 사놓기!</h1>
        <h3>가격: 평 당 500원</h3>
        <p>
            화성에 땅을 사둘 수 있다고?<br />
            앞으로 백년 간 오지 않을 기회. 화성에서 즐기는 노후!
        </p>
        <div class="order-info">
            <div class="input-group mb-3">
                <span class="input-group-text">이름</span>
                <input id="name" type="text" class="form-control" />
            </div>
            <div class="input-group mb-3">
                <span class="input-group-text">주소</span>
                <input id="address" type="text" class="form-control" />
            </div>
            <div class="input-group mb-3">
                <label class="input-group-text" for="size">평수</label>
                <select class="form-select" id="size">
                    <option selected>-- 주문 평수 --</option>
                    <option value="10평">10평</option>
                    <option value="20평">20평</option>
                    <option value="30평">30평</option>
                    <option value="40평">40평</option>
                    <option value="50평">50평</option>
                </select>
            </div>
            <button onclick="save_order()" type="button" class="btn btn-warning mybtn">
                주문하기
            </button>
        </div>
        <table class="table">
            <thead>
                <tr>
                    <th scope="col">이름</th>
                    <th scope="col">주소</th>
                    <th scope="col">평수</th>
                </tr>
            </thead>
            <tbody id="order-box">
                <tr>
                    <td>홍길동</td>
                    <td>서울시 용산구</td>
                    <td>20평</td>
                </tr>
                <tr>
                    <td>임꺽정</td>
                    <td>부산시 동구</td>
                    <td>10평</td>
                </tr>
                <tr>
                    <td>세종대왕</td>
                    <td>세종시 대왕구</td>
                    <td>30평</td>
                </tr>
            </tbody>
        </table>
    </div>
</body>

</html>

 

결과 :

mongoDB에 저장됨

2. 데이터 출력 기능 구현 (GET)

 

[app.py]

from flask import Flask, render_template, request, jsonify
app = Flask(__name__)

from pymongo import MongoClient
client = MongoClient('mongodb+srv://sparta:test@limchaeyoung.boi4rwj.mongodb.net/?retryWrites=true&w=majority')
db = client.dbsparta

@app.route('/')
def home():
    return render_template('index.html')

@app.route("/mars", methods=["POST"])
def mars_post():
    name_receive = request.form['name_give']
    address_receive = request.form['address_give']
    size_receive = request.form['size_give']
    
    doc = {'name':name_receive,
           'address': address_receive,
           'size': size_receive}
    db.mars.insert_one(doc)
    return jsonify({'msg':'저장 완료!'})

@app.route("/mars", methods=["GET"])
def mars_get():
    mars_data = list(db.mars.find({},{'_id':False}))
    return jsonify({'result': mars_data})

if __name__ == '__main__':
    app.run('0.0.0.0', port=5000, debug=True)

[index.html]

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />

    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
        integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous" />
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"
        integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM"
        crossorigin="anonymous"></script>

    <link href="https://fonts.googleapis.com/css2?family=Gowun+Batang:wght@400;700&display=swap" rel="stylesheet" />

    <title>선착순 공동구매</title>

    <style>
        * {
            font-family: "Gowun Batang", serif;
            color: white;
        }

        body {
            background-image: linear-gradient(0deg,
                    rgba(0, 0, 0, 0.5),
                    rgba(0, 0, 0, 0.5)),
                url("https://cdn.aitimes.com/news/photo/202010/132592_129694_3139.jpg");
            background-position: center;
            background-size: cover;
        }

        h1 {
            font-weight: bold;
        }

        .order {
            width: 500px;
            margin: 60px auto 0px auto;
            padding-bottom: 60px;
        }

        .mybtn {
            width: 100%;
        }

        .order>table {
            margin: 40px 0;
            font-size: 18px;
        }

        option {
            color: black;
        }
    </style>
    <script>
        $(document).ready(function () {
            show_order();
        });
        function show_order() {
            fetch('/mars').then((res) => res.json()).then((data) => {
                let rows = data['result']
                $('#order-box').empty()
                rows.forEach((a)=> {
                    let name = a['name']
                    let address = a['address']
                    let size = a['size']

                    let temp_html =`<tr>
                                        <td>${name}</td>
                                        <td>${address}</td>
                                        <td>${size}</td>
                                    </tr>`
                    $('#order-box').append(temp_html)

                })
            })
        }
        function save_order() {
            let name = $('#name').val()
            let address = $('#address').val()
            let size = $('#size').val()

            let formData = new FormData();
            formData.append("name_give", name);
            formData.append("address_give", address);
            formData.append("size_give", size);

            fetch('/mars', { method: "POST", body: formData }).then((res) => res.json()).then((data) => {
                alert(data["msg"]);
                window.location.reload();
            });
        }
    </script>
</head>

<body>
    <div class="mask"></div>
    <div class="order">
        <h1>화성에 땅 사놓기!</h1>
        <h3>가격: 평 당 500원</h3>
        <p>
            화성에 땅을 사둘 수 있다고?<br />
            앞으로 백년 간 오지 않을 기회. 화성에서 즐기는 노후!
        </p>
        <div class="order-info">
            <div class="input-group mb-3">
                <span class="input-group-text">이름</span>
                <input id="name" type="text" class="form-control" />
            </div>
            <div class="input-group mb-3">
                <span class="input-group-text">주소</span>
                <input id="address" type="text" class="form-control" />
            </div>
            <div class="input-group mb-3">
                <label class="input-group-text" for="size">평수</label>
                <select class="form-select" id="size">
                    <option selected>-- 주문 평수 --</option>
                    <option value="10평">10평</option>
                    <option value="20평">20평</option>
                    <option value="30평">30평</option>
                    <option value="40평">40평</option>
                    <option value="50평">50평</option>
                </select>
            </div>
            <button onclick="save_order()" type="button" class="btn btn-warning mybtn">
                주문하기
            </button>
        </div>
        <table class="table">
            <thead>
                <tr>
                    <th scope="col">이름</th>
                    <th scope="col">주소</th>
                    <th scope="col">평수</th>
                </tr>
            </thead>
            <tbody id="order-box">
                <tr>
                    <td>홍길동</td>
                    <td>서울시 용산구</td>
                    <td>20평</td>
                </tr>
                <tr>
                    <td>임꺽정</td>
                    <td>부산시 동구</td>
                    <td>10평</td>
                </tr>
                <tr>
                    <td>세종대왕</td>
                    <td>세종시 대왕구</td>
                    <td>30평</td>
                </tr>
            </tbody>
        </table>
    </div>
</body>

</html>

 

 

2) 스파르타피디아 

- 라이브러리 설치 (flask pymongo dnspython requests bs4)

 

URL : 스즈메의 문단속 | 다음영화 (daum.net)

[meta_prac.py] 코드

import requests
from bs4 import BeautifulSoup

URL = 'https://movie.daum.net/moviedb/main?movieId=161806'
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,headers=headers)
soup = BeautifulSoup(data.text, 'html.parser')

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

print(ogtitle, ogimg, ogdesc)

결과 :

 

데이터 저장하기

(영화 URL과 코멘트를 입력받아서 이를 바탕으로 제목, 설명, 이미지를 가져온 다음에 DB에 저장.)

 

[app.py]

from flask import Flask, render_template, request, jsonify
app = Flask(__name__)

from pymongo import MongoClient
client = MongoClient('mongodb+srv://sparta:test@limchaeyoung.boi4rwj.mongodb.net/?retryWrites=true&w=majority')
db = client.dbsparta

import requests
from bs4 import BeautifulSoup

@app.route('/')
def home():
    return render_template('index.html')

@app.route("/movie", methods=["POST"])
def movie_post():
    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')

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

    doc = {
        'title':ogtitle,
        'desc':ogdesc, 
        'image': ogimg, 
        'comment': comment_receive
        }
    db.movies.insert_one(doc)

    return jsonify({'msg':'저장 완료!'})

@app.route("/movie", methods=["GET"])
def movie_get():
    return jsonify({'msg':'GET 연결 완료!'})

if __name__ == '__main__':
    app.run('0.0.0.0', port=5000, debug=True)

[index.html]

<!doctype html>
<html lang="en">

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

    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
        integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"
        integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM"
        crossorigin="anonymous"></script>

    <title>스파르타 피디아</title>

    <link href="https://fonts.googleapis.com/css2?family=Gowun+Dodum&display=swap" rel="stylesheet">

    <style>
        * {
            font-family: 'Gowun Dodum', sans-serif;
        }

        .mytitle {
            width: 100%;
            height: 250px;

            background-image: linear-gradient(0deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://movie-phinf.pstatic.net/20210715_95/1626338192428gTnJl_JPEG/movie_image.jpg');
            background-position: center;
            background-size: cover;

            color: white;

            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .mytitle>button {
            width: 200px;
            height: 50px;

            background-color: transparent;
            color: white;

            border-radius: 50px;
            border: 1px solid white;

            margin-top: 10px;
        }

        .mytitle>button:hover {
            border: 2px solid white;
        }

        .mycomment {
            color: gray;
        }

        .mycards {
            margin: 20px auto 0px auto;
            width: 95%;
            max-width: 1200px;
        }

        .mypost {
            width: 95%;
            max-width: 500px;
            margin: 20px auto 0px auto;
            padding: 20px;
            box-shadow: 0px 0px 3px 0px gray;

            display: none;
        }

        .mybtns {
            display: flex;
            flex-direction: row;
            align-items: center;
            justify-content: center;

            margin-top: 20px;
        }

        .mybtns>button {
            margin-right: 10px;
        }
    </style>
    <script>
        $(document).ready(function () {
            listing();
        });

        function listing() {
            fetch('/movie').then((res) => res.json()).then((data) => {
                console.log(data)
                alert(data['msg'])
            })
        }

        function posting() {
            let url = $('#url').val()
            let comment = $('#comment').val()

            let formData = new FormData();
            formData.append("url_give", url);
            formData.append("comment_give", comment);

            fetch('/movie', { method: "POST", body: formData }).then((res) => res.json()).then((data) => {
                alert(data['msg'])
                window.location.reload()
            })
        }

        function open_box() {
            $('#post-box').show()
        }
        function close_box() {
            $('#post-box').hide()
        }
    </script>
</head>

<body>
    <div class="mytitle">
        <h1>내 생애 최고의 영화들</h1>
        <button onclick="open_box()">영화 기록하기</button>
    </div>
    <div class="mypost" id="post-box">
        <div class="form-floating mb-3">
            <input id="url" type="email" class="form-control" placeholder="name@example.com">
            <label>영화URL</label>
        </div>
        <div class="form-floating">
            <textarea id="comment" class="form-control" placeholder="Leave a comment here"></textarea>
            <label for="floatingTextarea2">코멘트</label>
        </div>
        <div class="mybtns">
            <button onclick="posting()" type="button" class="btn btn-dark">기록하기</button>
            <button onclick="close_box()" type="button" class="btn btn-outline-dark">닫기</button>
        </div>
    </div>
    <div class="mycards">
        <div class="row row-cols-1 row-cols-md-4 g-4" id="cards-box">
            <div class="col">
                <div class="card h-100">
                    <img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg"
                        class="card-img-top">
                    <div class="card-body">
                        <h5 class="card-title">영화 제목이 들어갑니다</h5>
                        <p class="card-text">여기에 영화에 대한 설명이 들어갑니다.</p>
                        <p>⭐⭐⭐</p>
                        <p class="mycomment">나의 한줄 평을 씁니다</p>
                    </div>
                </div>
            </div>
            <div class="col">
                <div class="card h-100">
                    <img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg"
                        class="card-img-top">
                    <div class="card-body">
                        <h5 class="card-title">영화 제목이 들어갑니다</h5>
                        <p class="card-text">여기에 영화에 대한 설명이 들어갑니다.</p>
                        <p>⭐⭐⭐</p>
                        <p class="mycomment">나의 한줄 평을 씁니다</p>
                    </div>
                </div>
            </div>
            <div class="col">
                <div class="card h-100">
                    <img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg"
                        class="card-img-top">
                    <div class="card-body">
                        <h5 class="card-title">영화 제목이 들어갑니다</h5>
                        <p class="card-text">여기에 영화에 대한 설명이 들어갑니다.</p>
                        <p>⭐⭐⭐</p>
                        <p class="mycomment">나의 한줄 평을 씁니다</p>
                    </div>
                </div>
            </div>
            <div class="col">
                <div class="card h-100">
                    <img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg"
                        class="card-img-top">
                    <div class="card-body">
                        <h5 class="card-title">영화 제목이 들어갑니다</h5>
                        <p class="card-text">여기에 영화에 대한 설명이 들어갑니다.</p>
                        <p>⭐⭐⭐</p>
                        <p class="mycomment">나의 한줄 평을 씁니다</p>
                    </div>
                </div>
            </div>
        </div>
    </div>
</body>

</html>

결과 : 

 

 

 

 

3) 여러개의 데이트 출력하기

 

[app.py]

from flask import Flask, render_template, request, jsonify
app = Flask(__name__)

from pymongo import MongoClient
client = MongoClient('mongodb+srv://sparta:test@limchaeyoung.boi4rwj.mongodb.net/?retryWrites=true&w=majority')
db = client.dbsparta

import requests
from bs4 import BeautifulSoup

@app.route('/')
def home():
    return render_template('index.html')

@app.route("/movie", methods=["POST"])
def movie_post():
    url_receive = request.form['url_give']
    comment_receive = request.form['comment_give']
    star_receive = request.form['star_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')

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

    doc = {
        'title':ogtitle,
        'desc':ogdesc, 
        'image': ogimg, 
        'comment': comment_receive,
        'star': star_receive
        }
    db.movies.insert_one(doc)

    return jsonify({'msg':'저장 완료!'})

@app.route("/movie", methods=["GET"])
def movie_get():
    all_movies = list(db.movies.find({},{'_id':False}))
    return jsonify({'result': all_movies })

if __name__ == '__main__':
    app.run('0.0.0.0', port=5000, debug=True)

[index.html]

<!doctype html>
<html lang="en">

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

    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
        integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"
        integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM"
        crossorigin="anonymous"></script>

    <title>스파르타 피디아</title>

    <link href="https://fonts.googleapis.com/css2?family=Gowun+Dodum&display=swap" rel="stylesheet">

    <style>
        * {
            font-family: 'Gowun Dodum', sans-serif;
        }

        .mytitle {
            width: 100%;
            height: 250px;

            background-image: linear-gradient(0deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://movie-phinf.pstatic.net/20210715_95/1626338192428gTnJl_JPEG/movie_image.jpg');
            background-position: center;
            background-size: cover;

            color: white;

            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .mytitle>button {
            width: 200px;
            height: 50px;

            background-color: transparent;
            color: white;

            border-radius: 50px;
            border: 1px solid white;

            margin-top: 10px;
        }

        .mytitle>button:hover {
            border: 2px solid white;
        }

        .mycomment {
            color: gray;
        }

        .mycards {
            margin: 20px auto 0px auto;
            width: 95%;
            max-width: 1200px;
        }

        .mypost {
            width: 95%;
            max-width: 500px;
            margin: 20px auto 0px auto;
            padding: 20px;
            box-shadow: 0px 0px 3px 0px gray;

            display: none;
        }

        .mybtns {
            display: flex;
            flex-direction: row;
            align-items: center;
            justify-content: center;

            margin-top: 20px;
        }

        .mybtns>button {
            margin-right: 10px;
        }
    </style>
    <script>
        $(document).ready(function () {
            listing();
        });

        function listing() {
            fetch('/movie').then((res) => res.json()).then((data) => {
                let rows = data['result']
                $('#cards-box').empty()
                rows.forEach((a)=> {
                    let title = a['title']
                    let image = a['image']
                    let comment = a['comment']
                    let desc = a['desc']
                    let star = a['star']

                    let star_repeat = '⭐'.repeat(star)

                    let temp_html =`<div class="col">
                                        <div class="card h-100">
                                            <img src="${image}"
                                                class="card-img-top">
                                            <div class="card-body">
                                                <h5 class="card-title">${title}</h5>
                                                <p class="card-text">${desc}</p>
                                                <p>${star_repeat}</p>
                                                <p class="mycomment">${comment}</p>
                                            </div>
                                        </div>
                                    </div>`
                    $('#cards-box').append(temp_html)
                })

            })
        }

        function posting() {
            let url = $('#url').val()
            let comment = $('#comment').val()
            let star = $('#star').val()

            let formData = new FormData();
            formData.append("url_give", url);
            formData.append("comment_give", comment);
            formData.append("star_give", star);

            fetch('/movie', { method: "POST", body: formData }).then((res) => res.json()).then((data) => {
                alert(data['msg'])
                window.location.reload()
            })
        }

        function open_box() {
            $('#post-box').show()
        }
        function close_box() {
            $('#post-box').hide()
        }
    </script>
</head>

<body>
    <div class="mytitle">
        <h1>내 생애 최고의 영화들</h1>
        <button onclick="open_box()">영화 기록하기</button>
    </div>
    <div class="mypost" id="post-box">
        <div class="form-floating mb-3">
            <input id="url" type="email" class="form-control" placeholder="name@example.com">
            <label>영화URL</label>
        </div>

        <div class="input-group mb-3">
            <label class="input-group-text" for="inputGroupSelect01">별점</label>
            <select class="form-select" id="star">
                <option selected>-- 선택하기 --</option>
                <option value="1">⭐</option>
                <option value="2">⭐⭐</option>
                <option value="3">⭐⭐⭐</option>
                <option value="4">⭐⭐⭐⭐</option>
                <option value="5">⭐⭐⭐⭐⭐</option>
            </select>
        </div>

        <div class="form-floating">
            <textarea id="comment" class="form-control" placeholder="Leave a comment here"></textarea>
            <label for="floatingTextarea2">코멘트</label>
        </div>
        <div class="mybtns">
            <button onclick="posting()" type="button" class="btn btn-dark">기록하기</button>
            <button onclick="close_box()" type="button" class="btn btn-outline-dark">닫기</button>
        </div>
    </div>
    <div class="mycards">
        <div class="row row-cols-1 row-cols-md-4 g-4" id="cards-box">
            <div class="col">
                <div class="card h-100">
                    <img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg"
                        class="card-img-top">
                    <div class="card-body">
                        <h5 class="card-title">영화 제목이 들어갑니다</h5>
                        <p class="card-text">여기에 영화에 대한 설명이 들어갑니다.</p>
                        <p>⭐⭐⭐</p>
                        <p class="mycomment">나의 한줄 평을 씁니다</p>
                    </div>
                </div>
            </div>
            <div class="col">
                <div class="card h-100">
                    <img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg"
                        class="card-img-top">
                    <div class="card-body">
                        <h5 class="card-title">영화 제목이 들어갑니다</h5>
                        <p class="card-text">여기에 영화에 대한 설명이 들어갑니다.</p>
                        <p>⭐⭐⭐</p>
                        <p class="mycomment">나의 한줄 평을 씁니다</p>
                    </div>
                </div>
            </div>
            <div class="col">
                <div class="card h-100">
                    <img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg"
                        class="card-img-top">
                    <div class="card-body">
                        <h5 class="card-title">영화 제목이 들어갑니다</h5>
                        <p class="card-text">여기에 영화에 대한 설명이 들어갑니다.</p>
                        <p>⭐⭐⭐</p>
                        <p class="mycomment">나의 한줄 평을 씁니다</p>
                    </div>
                </div>
            </div>
            <div class="col">
                <div class="card h-100">
                    <img src="https://movie-phinf.pstatic.net/20210728_221/1627440327667GyoYj_JPEG/movie_image.jpg"
                        class="card-img-top">
                    <div class="card-body">
                        <h5 class="card-title">영화 제목이 들어갑니다</h5>
                        <p class="card-text">여기에 영화에 대한 설명이 들어갑니다.</p>
                        <p>⭐⭐⭐</p>
                        <p class="mycomment">나의 한줄 평을 씁니다</p>
                    </div>
                </div>
            </div>
        </div>
    </div>
</body>

</html>

결과:

 

 

4)

 

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