1. Client - Server
server → client
: 요청을 받은 서버가 클라이언트에게 데이터 전송
client → server
: 클라이언트가 서버에게 서비스 요청
요청 타입
GET
: 데이터 조회를 요청할 때 사용하는 방식. URL에 파라미터를 포함시켜 요청.
https://movie.daum.net/moviedb/main?movieId=68593
→ "?" 를 기준으로 앞 부분은 서버주소, 뒷 부분은 영화id이다.
"?" 는 여기서부터 전달할 데이터가 작성된다는 의미이고,
"&" 은 전달할 데이터가 더 있다는 의미이다.
POST
: 데이터 생성, 변경, 삭제를 요청할 때 사용하는 방식. URL에 데이터가 노출되지 않음.
2. Fetch
fetch
: 인터넷을 통해 데이터를 요청하고 받아오는 과정
// fetch 기본 골격
let url = 'http://spartacodingclub.shop/sparta_api/seoulair';
fetch(url).then(res => res.json()).then(data => {
let rows = data['RealtimeCityAir']['row'];
rows.forEach(a=> {
let gu_name = a['MSRSTE_NM'];
let gu_mise = a['IDEX_MVL'];
console.log(gu_name, gu_mise);
});
})
fetch(url)→ 해당 URL로 웹 통신 요청을 보낸다. 괄호 안에 URL밖에 들어가 있지 않으면 기본상태인 GET
.then()→ 통신 요청을 받은 다음 실행할 코드
res => res.json()→ 통신 요청을 받은 데이터(res, response)는 JSON 형태로 변환해서 조작
.then(data => {})→ JSON 형태로 바뀐 데이터를 data 라는 이름으로 다루겠다.
<!doctype html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<title>미세먼지 API로Fetch 연습하고 가기!</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<style type="text/css">
div.question-box {
margin: 10px 0 20px 0;
}
.bad {
color: red;
}
</style>
<script>
function q1() {
let url = 'http://spartacodingclub.shop/sparta_api/seoulair';
$('#names-q1').empty();
fetch(url).then(res => res.json()).then(data => {
let rows = data['RealtimeCityAir']['row'];
rows.forEach(a=> {
let gu_name = a['MSRSTE_NM'];
let gu_mise = a['IDEX_MVL'];
let temp_html = ``;
if(gu_mise > 40) {
temp_html = `<li class="bad">${gu_name} : ${gu_mise}</li>`;
} else {
temp_html = `<li>${gu_name} : ${gu_mise}</li>`;
}
$('#names-q1').append(temp_html);
});
})
}
</script>
</head>
<body>
<h1>Fetch 연습하자!</h1>
<hr/>
<div class="question-box">
<h2>1. 서울시 OpenAPI(실시간 미세먼지 상태)를 이용하기</h2>
<p>모든 구의 미세먼지를 표기해주세요</p>
<p>업데이트 버튼을 누를 때마다 지웠다 새로 씌여져야 합니다.</p>
<button onclick="q1()">업데이트</button>
<ul id="names-q1">
</ul>
</div>
</body>
</html>
3. [추억앨범] JQuery & Fetch 적용
<!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">
<title>나만의 추억앨범</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<style>
@import url('https://fonts.googleapis.com/css2?family=Gowun+Dodum&display=swap');
* {
font-family: 'Gowun Dodum', sans-serif;
}
.mytitle {
height: 250px;
color: white;
/* 내용물 정렬 */
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
background-image: url('https://images.unsplash.com/photo-1511992243105-2992b3fd0410?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1470&q=80');
background-position: center;
background-size: cover;
}
.mytitle>button {
width: 150px;
height: 50px;
background-color: transparent;
color: white;
border: 1px solid white;
border-radius: 5px;
margin-top: 20px;
}
.mycards {
margin: 30px auto 0px auto;
width: 1200px;
}
.mypostingbox {
width: 500px;
margin: 30px auto 0px auto;
padding: 20px;
box-shadow: 0px 0px 3px 0px blue;
border-radius: 5px;
}
.mybtn {
display: flex;
flex-direction: row;
align-items: center;
justify-content: center;
}
.mybtn>button {
margin-right: 5px;
}
</style>
<script>
$(document).ready(function () {
let url = "http://spartacodingclub.shop/sparta_api/seoulair";
fetch(url).then(res => res.json()).then(data => {
let mise = data['RealtimeCityAir']['row'][0]['IDEX_NM']
$('#msg').text(mise);
})
})
function openclose() {
$('#postingbox').toggle();
}
function makeCard() {
let image = $('#image').val();
let title = $('#title').val();
let content = $('#content').val();
let date = $('#date').val();
let temp_html = `
<div class="col">
<div class="card h-100">
<img src="${image}" class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">${title}</h5>
<p class="card-text">${content}</p>
</div>
<div class="card-footer">
<small class="text-body-secondary">${date}</small>
</div>
</div>
</div>`;
$('#card').append(temp_html);
}
</script>
</head>
<body>
<div class="mytitle">
<h1>나만의 추억앨범</h1>
<p>현재 서울의 미세먼지 : <span id="msg"></span></p>
<button onclick="openclose()">추억 저장하기</button>
</div>
<div class="mypostingbox" id="postingbox">
<div class="form-floating mb-3">
<input type="email" class="form-control" id="image" placeholder="앨범 이미지">
<label for="floatingInput">앨범 이미지</label>
</div>
<div class="form-floating mb-3">
<input type="email" class="form-control" id="title" placeholder="앨범 제목">
<label for="floatingInput">앨범 제목</label>
</div>
<div class="form-floating mb-3">
<input type="email" class="form-control" id="content" placeholder="앨범 내용">
<label for="floatingInput">앨범 내용</label>
</div>
<div class="form-floating mb-3">
<input type="email" class="form-control" id="date" placeholder="앨범 날짜">
<label for="floatingInput">앨범 날짜</label>
</div>
<div class="mybtn">
<button onclick="makeCard()" type="button" class="btn btn-primary">기록하기</button>
<button type="button" class="btn btn-outline-primary">닫기</button>
</div>
</div>
<div class="mycards">
<div id="card" class="row row-cols-1 row-cols-md-4 g-4">
<div class="col">
<div class="card h-100">
<img src="https://images.unsplash.com/photo-1446768500601-ac47e5ec3719?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1446&q=80"
class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">앨범 제목</h5>
<p class="card-text">앨범 내용</p>
</div>
<div class="card-footer">
<small class="text-body-secondary">앨범 날짜</small>
</div>
</div>
</div>
<div class="col">
<div class="card h-100">
<img src="https://images.unsplash.com/photo-1446768500601-ac47e5ec3719?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1446&q=80"
class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">앨범 제목</h5>
<p class="card-text">앨범 내용</p>
</div>
<div class="card-footer">
<small class="text-body-secondary">앨범 날짜</small>
</div>
</div>
</div>
<div class="col">
<div class="card h-100">
<img src="https://images.unsplash.com/photo-1446768500601-ac47e5ec3719?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1446&q=80"
class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">앨범 제목</h5>
<p class="card-text">앨범 내용</p>
</div>
<div class="card-footer">
<small class="text-body-secondary">앨범 날짜</small>
</div>
</div>
</div>
<div class="col">
<div class="card h-100">
<img src="https://images.unsplash.com/photo-1446768500601-ac47e5ec3719?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1446&q=80"
class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">앨범 제목</h5>
<p class="card-text">앨범 내용</p>
</div>
<div class="card-footer">
<small class="text-body-secondary">앨범 날짜</small>
</div>
</div>
</div>
</div>
</div>
</body>
</html>→ JSON 형식의 미세먼지 OpenAPI를 가져왔기 때문에 mytitle 부분에서 미세먼지의 상태를 확인 가능하다.
4. [M플릭스] JQuery & Fetch 적용
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<title>M플릭스</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
<style>
@import url('https://fonts.googleapis.com/css2?family=Gowun+Dodum&display=swap');
* {
font-family: 'Gowun Dodum', sans-serif;
}
.main {
color: white;
background-image: url('https://occ-0-1123-1217.1.nflxso.net/dnm/api/v6/6AYY37jfdO6hpXcMjf9Yu5cnmO0/AAAABeIfo7VL_VDyKnljV66IkR-4XLb6xpZqhpLSo3JUtbivnEW4s60PD27muH1mdaANM_8rGpgbm6L2oDgA_iELHZLZ2IQjG5lvp5d2.jpg?r=e6e.jpg');
background-position: center;
background-size: cover;
}
body {
background-color: black;
}
.mycards {
width: 1200px;
margin: 20px auto 20px auto;
}
.mypostingbox {
width: 500px;
margin: 20px auto 20px auto;
border: 1px solid white;
padding: 20px;
border-radius: 5px;
}
.form-floating>input {
background-color: transparent;
color: white;
}
.form-floating>label {
color: white;
}
.input-group>label {
background-color: transparent;
color: white;
}
.mypostingbox>button {
width: 100%;
}
</style>
<script>
let url = "http://spartacodingclub.shop/sparta_api/weather/seoul";
fetch(url).then(res => res.json()).then(data => {
let temp = data['temp']
if (temp > 20) {
$('#temperature').text('더워요');
} else {
$('#temperature').text('추워요');
}
})
function openclose() {
$('#postingbox').toggle();
}
function makeCard() {
let image = $('#image').val();
let title = $('#title').val();
let comment = $('#comment').val();
let star = $('#star').val();
let temp_html = `
<div class="col">
<div class="card h-100">
<img src="${image}"
class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">${title}</h5>
<p class="card-text">${star}</p>
<p class="card-text">${comment}</p>
</div>
</div>
</div>`;
$('#card').append(temp_html);
}
</script>
</head>
<body>
<header class="p-3 text-bg-dark">
<div class="container">
<div class="d-flex flex-wrap align-items-center justify-content-center justify-content-lg-start">
<a href="/" class="d-flex align-items-center mb-2 mb-lg-0 text-white text-decoration-none">
<svg class="bi me-2" width="40" height="32" role="img" aria-label="Bootstrap">
<use xlink:href="#bootstrap"></use>
</svg>
</a>
<ul class="nav col-12 col-lg-auto me-lg-auto mb-2 justify-content-center mb-md-0">
<li><a href="#" class="nav-link px-2 text-danger">Mflix</a></li>
<li><a href="#" class="nav-link px-2 text-white">홈</a></li>
<li><a href="#" class="nav-link px-2 text-white">시리즈</a></li>
<li><a href="#" class="nav-link px-2 text-white">영화</a></li>
<li><a href="#" class="nav-link px-2 text-white">내가 찜한 콘텐츠</a></li>
<li><a href="#" class="nav-link px-2 text-white">현재기온: <span id="temperature"></span></a></li>
</ul>
<form class="col-12 col-lg-auto mb-3 mb-lg-0 me-lg-3" role="search">
<input type="search" class="form-control form-control-dark text-bg-dark" placeholder="Search..."
aria-label="Search">
</form>
<div class="text-end">
<button type="button" class="btn btn-outline-light me-2">Login</button>
<button type="button" class="btn btn-danger">Sign-up</button>
</div>
</div>
</div>
</header>
<div class="main">
<div class="p-5 mb-4 bg-body-tertiary rounded-3">
<div class="container-fluid py-5">
<h1 class="display-5 fw-bold">킹덤</h1>
<p class="col-md-8 fs-4">병든 왕을 둘러싸고 흉흉한 소문이 떠돈다. 어둠에 뒤덮인 조선, 기이한 역병에 신음하는 산하. 정체 모를 악에 맞서 백성을 구원할 희망은 오직
세자뿐이다.</p>
<button onclick="openclose()" type="button" class="btn btn-outline-light">영화 기록하기</button>
<button type="button" class="btn btn-outline-light">상세정보</button>
</div>
</div>
</div>
<div class="mypostingbox" id="postingbox">
<div class="form-floating mb-3">
<input type="email" class="form-control" id="image" placeholder="영화 이미지 주소">
<label for="floatingInput">영화 이미지 주소</label>
</div>
<div class="form-floating mb-3">
<input type="email" class="form-control" id="title" placeholder="영화 제목">
<label for="floatingInput">영화 제목</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>별점선택</option>
<option value="⭐">⭐</option>
<option value="⭐⭐">⭐⭐</option>
<option value="⭐⭐⭐">⭐⭐⭐</option>
<option value="⭐⭐⭐⭐">⭐⭐⭐⭐</option>
<option value="⭐⭐⭐⭐⭐">⭐⭐⭐⭐⭐</option>
</select>
</div>
<div class="form-floating mb-3">
<input type="email" class="form-control" id="comment" placeholder="추천 이유">
<label for="floatingInput">추천 이유</label>
</div>
<button onclick="makeCard()" type="button" class="btn btn-danger">기록하기</button>
</div>
<div class="mycards">
<div id="card" class="row row-cols-1 row-cols-md-4 g-4">
<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" alt="...">
<div class="card-body">
<h5 class="card-title">영화 제목</h5>
<p class="card-text">⭐⭐⭐</p>
<p class="card-text">영화 코멘트</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" alt="...">
<div class="card-body">
<h5 class="card-title">영화 제목</h5>
<p class="card-text">⭐⭐⭐</p>
<p class="card-text">영화 코멘트</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" alt="...">
<div class="card-body">
<h5 class="card-title">영화 제목</h5>
<p class="card-text">⭐⭐⭐</p>
<p class="card-text">영화 코멘트</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" alt="...">
<div class="card-body">
<h5 class="card-title">영화 제목</h5>
<p class="card-text">⭐⭐⭐</p>
<p class="card-text">영화 코멘트</p>
</div>
</div>
</div>
</div>
</div>
</body>
</html>→ JSON형식의 서울온도 OpenAPI를 가져와 온도가 20도 보다 높으면 더워요 라는 글자가, 그렇지 않으면 추워요 라는 글자가 네비게이션바에 나타나게끔 했다.
- $('#postingbox').toggle(); => 해당 부분을 클릭시 창이 열리고 닫히게끔 할 수 있다.
- let image = $('#image').val(); => 해당하는 값을 가져올 수 있다.
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