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[13] project_03> 버킷리스트 : Get, Post 연습, API 만들기, 로컬 개발 환경 본문

Programming/WEB

[13] project_03> 버킷리스트 : Get, Post 연습, API 만들기, 로컬 개발 환경

알 수 없는 사용자 2023. 7. 19. 14:55

1. app.py 만들기

 

2. venv 가상환경 설정하기

더보기
python -m venv venv
  • (venv)로 잘 뜨는지 확인하기!

 

 

3. templates > index.html 만들기

 

4. 패키지 설치하기

더보기
pip install flask pymongo dnspython
  • 띄어쓰기로 구분
  • 원하는 라이브러리 확인하려면 pip freeze로 확인할 수 있음!
pip freeze

 

 

5. 기본 코드

     1) app.py

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

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

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

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

 

     2) index.html

더보기
<!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+Dodum&display=swap"
      rel="stylesheet"
    />

    <title>인생 버킷리스트</title>

    <style>
      * {
        font-family: "Gowun Dodum", sans-serif;
      }
      .mypic {
        width: 100%;
        height: 200px;

        background-image: linear-gradient(
            0deg,
            rgba(0, 0, 0, 0.5),
            rgba(0, 0, 0, 0.5)
          ),
          url("https://images.unsplash.com/photo-1601024445121-e5b82f020549?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=1189&q=80");
        background-position: center;
        background-size: cover;

        color: white;

        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
      }
      .mypic > h1 {
        font-size: 30px;
      }
      .mybox {
        width: 95%;
        max-width: 700px;
        padding: 20px;
        box-shadow: 0px 0px 10px 0px lightblue;
        margin: 20px auto;
      }
      .mybucket {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
      }

      .mybucket > input {
        width: 70%;
      }
      .mybox > li {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: center;

        margin-bottom: 10px;
        min-height: 48px;
      }
      .mybox > li > h2 {
        max-width: 75%;
        font-size: 20px;
        font-weight: 500;
        margin-right: auto;
        margin-bottom: 0px;
      }
      .mybox > li > h2.done {
        text-decoration: line-through;
      }
    </style>
    <script>
      $(document).ready(function () {
        show_bucket();
      });
      function show_bucket() {
        fetch('/bucket').then(res => res.json()).then(data => {
                console.log(data)
								alert(data["msg"]);
            })
      }

      function save_bucket() {
        let formData = new FormData();
        formData.append("sample_give", "샘플데이터");

        fetch('/bucket', {method: "POST",body: formData,}).then((response) => response.json()).then((data) => {
            alert(data["msg"]);
            window.location.reload();
          });
      }
      
    </script>
  </head>
  <body>
    <div class="mypic">
      <h1>나의 버킷리스트</h1>
    </div>
    <div class="mybox">
      <div class="mybucket">
        <input
          id="bucket"
          class="form-control"
          type="text"
          placeholder="이루고 싶은 것을 입력하세요"
        />
        <button onclick="save_bucket()" type="button" class="btn btn-outline-primary">기록하기</button>
      </div>
    </div>
    <div class="mybox" id="bucket-list">
      <li>
        <h2>✅ 호주에서 스카이다이빙 하기</h2>
      </li>
    </div>
  </body>
</html>

 

     3) mongoDB 창 띄워두기

 

 

6. POST 요청

1) 데이터 명세

더보기

1) 요청 정보 : URL= /movie, 요청 방식 = POST

2) 클라이언트(fetch) ➡️ 서버(flask) : URL, star, comments

3) 서버(flask) ➡️ 클라이언트(fetch) : 확인 메시지 전송 (포스팅 완료!)

 

2) 클라이언트와 서버 연결 확인하기

더보기

1) app.py 코드

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

 

2) index.html 코드

function save_bucket() {
  let formData = new FormData();
  formData.append("sample_give", "샘플데이터");

  fetch('/bucket', {method: "POST",body: formData,}).then((response) => response.json()).then((data) => {
      alert(data['msg'])
    });
}

  <button onclick="save_bucket()" type="button" class="btn btn-outline-primary">기록하기</button>

 

 

3) 서버 만들기

더보기

1) pymongo import하기!

from pymongo import MongoClient
client = MongoClient('mongodb+srv://sparta:test@noelle.ricsrmv.mongodb.net/')
db = client.dbsparta

 

2) 받은 데이터를 db에 저장하고 완료됐음을 return 해줌

@app.route("/bucket", methods=["POST"])
def bucket_post():
    bucket_receive = request.form['bucket_give']
    doc = {
        'bucket' : bucket_receive
    }
    db.bucket2.insert_one(doc)
    return jsonify({'msg': '저장 완료'})

 

 

4) 클라이언트 만들기

더보기
function save_bucket() {
        let bucket = $("#bucket").val()
        let formData = new FormData();
        formData.append("bucket_give", bucket);

        fetch('/bucket', {method: "POST",body: formData,}).then((response) => response.json()).then((data) => {
            alert(data["msg"]);
            window.location.reload();
          });
      }
  • id를 잘 붙이는 게 중요하다. 
  • id를 지정할 태그명을 다시 잘 확인해서 실수하지 않도록 하자. 
  • 입력받은 데이터의 id 값으로 가져오는 것 잊지 말자~!
  • $("#id").val()
  • window.location.reload() : 새로고침

 

5) 완성 확인하기

더보기

1) 데이터 입력

 

2) alert 확인

 

3) DB 확인

 

 

 

7. GET 요청

1) 데이터 명세

더보기

1) 요청 정보 : URL= /movie, 요청 방식 = GET

2) 클라이언트(fetch) ➡️ 서버(flask) : 없음

3) 서버(flask) ➡️ 클라이언트(fetch) : 전체 데이터 전송

 

2) 클라이언트와 서버 연결 확인하기

더보기

1) app.py

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

 

2) index.html

$(document).ready(function () {
  show_bucket();
});
function show_bucket() {
  fetch('/bucket').then(res => res.json()).then(data => {
					console.log(data)
					alert(data['msg'])
      })
}

 

3) 서버 만들기

더보기
  • 'result'에 전체 데이터를 담아서 내려주기!
  • db.db명.find({}, {_id}:False) : 전체 다 찾아서 받기
@app.route("/bucket", methods=["GET"])
def bucket_get():
    buckets = list(db.bucket2.find({}, {'_id':False}))
    return jsonify({'result': buckets})

 

4) 클라이언트 만들기

더보기
<script>
      $(document).ready(function () {
        show_bucket();
      });

      function show_bucket() {
        $("#bucket-list").empty()
        fetch('/bucket').then(res => res.json()).then(data => {
                buckets = data['result']
                buckets.forEach((a)=> {
                    bucket = a['bucket']
                    let temp_html = `<li>
                                        <h2>✅ ${bucket}</h2>
                                    </li>`
                    $("#bucket-list").append(temp_html)
                })
            })
      }
</script>
  • 받아온 정보가 리스트이므로 리스트를 돌면서 하나씩 출력하도록 한다. 

 

5) 완성 확인하기

더보기

새로고침해서 DB에 있는 정보들이 잘 들어오는지 확인하기

 

 

* 전체 완성 코드

1) app.py

더보기
from flask import Flask, render_template, request, jsonify
from pymongo import MongoClient

client = MongoClient('mongodb+srv://sparta:test@noelle.ricsrmv.mongodb.net/')
db = client.dbsparta

app = Flask(__name__)

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

@app.route("/bucket", methods=["POST"])
def bucket_post():
    bucket_receive = request.form['bucket_give']
    doc = {
        'bucket' : bucket_receive
    }
    db.bucket2.insert_one(doc)
    return jsonify({'msg': '저장 완료'})
    
@app.route("/bucket", methods=["GET"])
def bucket_get():
    buckets = list(db.bucket2.find({}, {'_id':False}))
    return jsonify({'result': buckets})

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

 

2) index.html

더보기
<!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+Dodum&display=swap"
      rel="stylesheet"
    />

    <title>💜BUCKET LIST💛</title>

    <style>
        @import url('https://fonts.googleapis.com/css2?family=Jua&display=swap');
      * {font-family: 'Jua', sans-serif}
      .mypic {
        width: 100%;
        height: 400px;

        background-image: linear-gradient(
            0deg,
            rgba(0, 0, 0, 0.5),
            rgba(0, 0, 0, 0.5)
          ),
          url("https://www.pixelstalk.net/wp-content/uploads/images6/NYC-Wallpaper-Desktop.jpg");
        background-position: center;
        background-size: cover;

        color: white;

        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
      }
      .mypic > h1 {
        font-size: 50px;
      }
      .mybox {
        width: 95%;
        max-width: 700px;
        padding: 20px;
        box-shadow: 0px 0px 10px 0px rgb(164, 0, 139);
        margin: 20px auto;
        border-radius: 20px;
      }
      .mybucket {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
      }

      .mybucket > input {
        width: 70%;
      }
      .mybox > li {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: center;

        margin-bottom: 10px;
        min-height: 48px;
      }
      .mybox > li > h2 {
        max-width: 75%;
        font-size: 20px;
        font-weight: 500;
        margin-right: auto;
        margin-bottom: 0px;
      }
      .mybox > li > h2.done {
        text-decoration: line-through;
      }
    </style>
    <script>
      $(document).ready(function () {
        show_bucket();
      });

      function show_bucket() {
        $("#bucket-list").empty()
        fetch('/bucket').then(res => res.json()).then(data => {
                buckets = data['result']
                buckets.forEach((a)=> {
                    bucket = a['bucket']
                    let temp_html = `<li>
                                        <h2>✅ ${bucket}</h2>
                                    </li>`
                    $("#bucket-list").append(temp_html)
                })
            })
      }

      function save_bucket() {
        let bucket = $("#bucket").val()
        let formData = new FormData();
        formData.append("bucket_give", bucket);

        fetch('/bucket', {method: "POST",body: formData,}).then((response) => response.json()).then((data) => {
            alert(data["msg"]);
            window.location.reload();
          });
      }
      
    </script>
  </head>
  <body>
    <div class="mypic">
      <h1>💜BUCKET LIST💛</h1>
    </div>
    <div class="mybox">
      <div class="mybucket">
        <input
          id="bucket"
          class="form-control"
          type="text"
          placeholder="이루고 싶은 것을 입력하세요"
        />
        <button onclick="save_bucket()" type="button" class="btn btn-outline-primary">기록하기</button>
      </div>
    </div>
    <div class="mybox" id="bucket-list">
      <li>
        <h2>✅ 호주에서 스카이다이빙 하기</h2>
      </li>
    </div>
  </body>
</html>