admin/index.html at main · gooddeLink/admin · GitHub

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<!DOCTYPE html>
<html lang="ko">
  <head>
    <meta charset="UTF-8" />
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" type="text/javascript"></script>
    <title>Pagination</title>
  </head>

  <style>
    * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.article {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
}

.content {
  display: flex;
  padding: 0.3em 0;
  list-style: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.content__id,
.content__author,
.content__date {
  flex-basis: 15%;
}

.content__title {
  flex: 1;
  text-align: left;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.buttons {
  position: relative;
  padding: 1rem 0;
  display: inline-flex;
  justify-content: center;
}

.button {
  padding: 0 1rem;
  font-size: 1.2rem;
  color: #333;
  background: transparent;
  border: 0;
  outline: 0;
  cursor: pointer;
}

.button.active,
.button:hover {
  color: #1f975d;
  font-weight: 600;
  text-decoration: underline;
}

.prev {
  position: absolute;
  left: -2.5rem;
}

.next {
  position: absolute;
  right: -2.5rem;
}

ion-icon {
  padding-top: 0.05rem;
}
  </style>

  <body>
    <article class="article">
      <ul class="contents"></ul>
      <div class="buttons"></div>
    </article>
    <!-- Scripts -->
    <script type="module" src="https://unpkg.com/ionicons@5.5.2/dist/ionicons/ionicons.esm.js"></script>
    <script nomodule src="https://unpkg.com/ionicons@5.5.2/dist/ionicons/ionicons.js"></script>
    <script src="app.js"></script>
  </body>

  <script>
const contents = document.querySelector(".contents");
const buttons = document.querySelector(".buttons");

const numOfContent = 178;
const showContent = 10;
const showButton = 5;
const maxButton = 10;
const maxContent = 170;
const maxPage = Math.ceil(numOfContent / maxContent);
let page = 1;

const makeContent = (id) => {
  const content = document.createElement("li");
  content.classList.add("content");
  content.innerHTML = `
    <span class="content__id">${id}</span>
    <span class="content__title">게시물 제목</span>
    <span class="content__author">작성자</span>
    <span class="content__date">2022.01.01</span>
  `;
  return content;
};

const makeButton = (id) => {
  const button = document.createElement("button");
  button.classList.add("button");
  button.dataset.num = id;
  button.innerText = id;
  button.addEventListener("click", (e) => {
    Array.prototype.forEach.call(buttons.children, (button) => {
      if (button.dataset.num) button.classList.remove("active");
    });
    e.target.classList.add("active");
    renderContent(parseInt(e.target.dataset.num));
  });
  return button;
};

const renderContent = (page) => {
  // 목록 리스트 초기화
  while (contents.hasChildNodes()) {
    contents.removeChild(contents.lastChild);
  }
  // 글의 최대 개수를 넘지 않는 선에서, 화면에 최대 10개의 글 생성
  for (let id = (page - 1) * maxContent + 1; id <= page * maxContent && id <= numOfContent; id++) {
    contents.appendChild(makeContent(id));
  }
};

const renderButton = (page) => {
  // 버튼 리스트 초기화
  while (buttons.hasChildNodes()) {
    buttons.removeChild(buttons.lastChild);
  }
  // 화면에 최대 5개의 페이지 버튼 생성
  for (let id = page; id < page + maxButton && id <= maxPage; id++) {
    buttons.appendChild(makeButton(id));
  }
  // 첫 버튼 활성화(class="active")
  buttons.children[0].classList.add("active");

  buttons.prepend(prev);
  buttons.append(next);

  // 이전, 다음 페이지 버튼이 필요한지 체크
  if (page - maxButton < 1) buttons.removeChild(prev);
  if (page + maxButton > maxPage) buttons.removeChild(next);
};

const render = (page) => {
  renderContent(page);
  renderButton(page);
};
render(page);

const goPrevPage = () => {
  page -= maxButton;
  render(page);
};

const goNextPage = () => {
  page += maxButton;
  render(page);
};

const prev = document.createElement("button");
prev.classList.add("button", "prev");
prev.innerHTML = '<ion-icon name="chevron-back-outline"></ion-icon>';
prev.addEventListener("click", goPrevPage);

const next = document.createElement("button");
next.classList.add("button", "next");
next.innerHTML = '<ion-icon name="chevron-forward-outline"></ion-icon>';
next.addEventListener("click", goNextPage);


</script>
</html>