feat:实现浏览页翻页功能

This commit is contained in:
Kakune55 2024-06-04 11:51:33 +08:00
parent d753e7cad4
commit cb13e5a22b
3 changed files with 182 additions and 110 deletions

View File

@ -1,109 +0,0 @@
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>漫画详情页</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 0;
padding: 20px;
background-color: #f0f0f0;
}
#comic-container {
display: flex;
flex-direction: column;
align-items: center;
}
.comic-image {
max-width: 100%;
height: auto;
margin-bottom: 20px;
}
img {
display: block;
width: 100%;
min-height: 200px;
margin-top: 10px;
}
#global-blur {
background-color: rgba(255, 255, 255, 0.8);
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
backdrop-filter: blur(12px);
-webkit-backdrop-filter: blur(12px);
/* 模糊度可以根据需要调整 */
transition: display;
z-index: 1;
/* 保证遮罩在页面上方 */
pointer-events: none;
/* 确保遮罩不影响下方元素的交互 */
opacity: 0;
transition: opacity 0.1s ease
}
</style>
</head>
<body>
{% for i in index %}
<img data-src="/api/img/{{ id }}/{{ i }}" loading="lazy" alt="{{ i }}" class="imgs">
{% endfor %}
<div style="display:flex;justify-content: center; align-items:center;">
<h1>已经到底了哦</h1>
</div>
<div id="global-blur" onclick="unshow_global_blur()"></div>
<script>
var imgs = document.querySelectorAll('.imgs');
//offsetTop是元素与offsetParent的距离循环获取直到页面顶部
function getTop(e) {
var T = e.offsetTop;
while (e = e.offsetParent) {
T += e.offsetTop;
}
return T;
}
function lazyLoad(imgs) {
var H = document.documentElement.clientHeight;//获取可视区域高度
var S = document.documentElement.scrollTop || document.body.scrollTop;
for (var i = 0; i < imgs.length; i++) {
if (H + S > getTop(imgs[i])) {
imgs[i].src = imgs[i].getAttribute('data-src');
}
}
}
window.onload = window.onscroll = function () { //onscroll()在滚动条滚动的时候触发
lazyLoad(imgs);
}
document.addEventListener('visibilitychange', documentVisibilityChange)
global_blur = document.getElementById("global-blur")
function documentVisibilityChange() {
if (document.visibilityState === "hidden") {
global_blur.style.opacity = 1;
global_blur.style.pointerEvents = "auto";
}
if (document.visibilityState === "visible") {
}
}
function unshow_global_blur() {
global_blur.style.opacity = 0;
global_blur.style.pointerEvents = "none";
}
</script>
</body>
</html>

181
templates/view.html.j2 Normal file
View File

@ -0,0 +1,181 @@
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>漫画详情页</title>
<style>
body {
font-family: Arial, sans-serif;
margin: 0;
padding: 20px;
background-color: #f0f0f0;
}
#comic-container {
display: flex;
flex-direction: column;
align-items: center;
}
.comic-image {
max-width: 100%;
height: auto;
margin-bottom: 20px;
}
img {
display: block;
width: 100%;
min-height: 200px;
margin-top: 10px;
}
#pagination {
display: flex;
flex-wrap: wrap;
justify-content: center;
align-items: center;
margin-top: 20px;
}
.page-button {
padding: 10px 15px;
margin: 5px;
background-color: #007bff;
color: white;
border: none;
cursor: pointer;
border-radius: 5px;
}
.page-button:disabled {
background-color: #cccccc;
}
.ellipsis {
padding: 10px 15px;
margin: 0 5px;
background-color: transparent;
border: none;
cursor: default;
}
#global-blur {
background-color: rgba(255, 255, 255, 0.8);
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
backdrop-filter: blur(12px);
-webkit-backdrop-filter: blur(12px);
transition: opacity 0.1s ease;
z-index: 1;
pointer-events: none;
opacity: 0;
}
</style>
</head>
<body>
<div id="comic-container"></div>
<div id="pagination"></div>
<div id="global-blur" onclick="unshowGlobalBlur()"></div>
<script>
document.addEventListener('DOMContentLoaded', function () {
const imgsData = [
{% for i in index %}
{ src: "/api/img/{{ id }}/{{ i }}", alt: "漫画页面 {{ i }}" },
{% endfor %}
];
const itemsPerPage = 25; // 每页显示的图片数量
let currentPage = 1;
function renderPage(page) {
const comicContainer = document.getElementById('comic-container');
comicContainer.innerHTML = ''; // 清空当前内容
const start = (page - 1) * itemsPerPage;
const end = start + itemsPerPage;
const pageItems = imgsData.slice(start, end);
pageItems.forEach(item => {
const img = document.createElement('img');
img.className = 'imgs comic-image';
img.setAttribute('data-src', item.src);
img.setAttribute('alt', item.alt);
comicContainer.appendChild(img);
});
window.scrollTo(0, 0); // 滚动到页面顶部
lazyLoad(); // 确保惰性加载生效
}
function renderPagination() {
const pagination = document.getElementById('pagination');
pagination.innerHTML = ''; // 清空当前内容
const totalPages = Math.ceil(imgsData.length / itemsPerPage);
if (totalPages <= 1) return;
for (let i = 1; i <= totalPages; i++) {
const button = document.createElement('button');
button.className = 'page-button';
button.innerText = i;
button.disabled = (i === currentPage);
button.addEventListener('click', () => {
currentPage = i;
renderPage(i);
renderPagination();
});
pagination.appendChild(button);
}
}
function lazyLoad() {
const imgs = document.querySelectorAll('.imgs');
const windowHeight = window.innerHeight;
const scrollY = window.scrollY || window.pageYOffset;
imgs.forEach(img => {
if (img.src) return; // 如果已经加载过了就跳过
const imgTop = img.getBoundingClientRect().top + scrollY;
if (windowHeight + scrollY > imgTop) {
img.src = img.getAttribute('data-src');
}
});
}
window.addEventListener('scroll', lazyLoad);
window.addEventListener('resize', lazyLoad);
lazyLoad(); // 页面加载时初始化调用
const globalBlur = document.getElementById('global-blur');
document.addEventListener('visibilitychange', () => {
if (document.visibilityState === 'hidden') {
globalBlur.style.opacity = 1;
globalBlur.style.pointerEvents = 'auto';
} else if (document.visibilityState === 'visible') {
globalBlur.style.opacity = 0;
globalBlur.style.pointerEvents = 'none';
}
});
renderPage(currentPage);
renderPagination();
});
function unshowGlobalBlur() {
const globalBlur = document.getElementById('global-blur');
globalBlur.style.opacity = 0;
globalBlur.style.pointerEvents = 'none';
}
</script>
</body>
</html>

View File

@ -77,7 +77,7 @@ def view(bookid): # 接口
data = db.file.searchByid(bookid) data = db.file.searchByid(bookid)
if len(data) == 0: if len(data) == 0:
return abort(404) return abort(404)
return render_template("view.html", id=bookid, index=range(1, data[0][3])) return render_template("view.html.j2", id=bookid, index=range(1, data[0][3]))
@page_bp.route("/upload", methods=["GET", "POST"]) # 文件上传 @page_bp.route("/upload", methods=["GET", "POST"]) # 文件上传