You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

353 lines
9.6 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport"
content="width=device-width,initial-scale=1.0,maximum-scale=1.0,minimum-scale=1.0,user-scalable=no">
<title>EPUB</title>
<script src="https://cdn.bootcdn.net/ajax/libs/jszip/3.1.5/jszip.min.js"></script>
<script src="https://fastly.jsdelivr.net/npm/epubjs@0.3.88/dist/epub.min.js"></script>
<script>
document.addEventListener('DOMContentLoaded', () => {
const html = document.querySelector('html')
let fontSize = window.innerWidth / 10
fontSize = fontSize > 50 ? 50 : fontSize
html.style.fontSize = fontSize + 'px'
})
</script>
<style>
* {
padding: 0;
margin: 0;
}
.mask {
position: absolute;
display: flex;
left: 0;
width: 100%;
height: 100%;
flex-direction: column;
}
.meun {
display: flex;
height: 1rem;
align-items: center;
}
#toc {
flex: 1;
z-index: 100;
font-size: .3rem;
padding-left: .4rem;
color: #333;
}
#page {
z-index: 100;
font-size: .3rem;
color: #333;
padding-right: 0.4rem;
text-align: right;
flex: 0 0 .5rem;
}
#load {
z-index: 100;
font-size: .3rem;
color: #333;
padding-right: 0.4rem;
text-align: right;
flex: 0 0 .5rem;
}
#toc-content {
position: absolute;
display: flex;
top: 0;
right: 0;
z-index: 102;
min-width: auto;
max-width: 80%;
height: 100%;
background: white;
flex-direction: column
}
#toc-mask {
position: absolute;
top: 0;
left: 0;
z-index: 101;
width: 100%;
height: 100%;
background: rgba(51, 51, 51, .8);
}
.intro {
width: 100%;
height: 2.4rem;
padding: .2rem .4rem;
box-sizing: border-box;
height: 3rem;
display: flex;
border-bottom: .1rem solid #f4f4f4;
}
.txt {
display: flex;
flex: 1;
align-items: center;
padding: 0 .2rem;
font-size: .3rem;
}
#content {
overflow-y: auto;
}
.item {
padding: .2rem .4rem;
border-bottom: .07rem solid #f4f4f4;
font-size: .4rem;
color: #333;
}
#open {
display: flex;
flex: 1;
z-index: 100;
font-size: .4rem;
color: #333;
align-items: flex-end;
justify-content: center;
}
#open span {
padding: .3rem .3rem;
border: .05rem solid #333;
border-radius: .2rem;
}
.read {
display: flex;
flex: 1 1 auto;
}
#prev {
flex: 0 0 2rem;
z-index: 100;
}
#viewer {
flex: 1;
}
#next {
flex: 0 0 2rem;
z-index: 100;
}
.save {
display: flex;
}
.box {
padding: .2rem .2rem;
justify-content: center;
border-bottom: .1rem solid #f4f4f4;
}
.jump {
display: flex;
height: 1rem;
border-bottom: .1rem solid #f4f4f4;
}
.jump input {
flex: 1;
padding: .1rem .1rem;
margin: .2rem .2rem .2rem .4rem;
outline: none;
font-size: .3rem;
}
.jump span {
flex: 0 0 1rem;
}
</style>
</head>
<body>
<div id="ebook">
<div class="mask">
<div id="open">
<span
onclick="document.getElementById('input').click();document.getElementById('open').style.display = 'none'">选择本地书籍</span>
<input type="file" id="input" style="display: none;">
</div>
<div class="read">
<div id="prev" onclick="rendition.prev()"></div>
<div id="viewer"></div>
<div id="next" onclick="rendition.next()"></div>
</div>
<div class="meun">
<div id="toc" onclick="showhide()"></div>
<div id="page"></div>
<div id="load"></div>
</div>
<div id="toc-mask" style="display: none;" onclick="showhide()"></div>
<div id="toc-content" style="display: none;">
<div class="intro">
<img id="cover">
<div style="display: flex;flex: 1;flex-direction: column;overflow-y: auto;">
<div id="title" class="txt"></div>
<div id="author" class="txt"></div>
<div id="publisher" class="txt"></div>
<div id="pubdate" class="txt"></div>
</div>
</div>
<div class="save">
<div class="txt box" onclick="save()">存档</div>
<div class="txt box" onclick="get()">读档</div>
<div class="txt box" onclick="del()">删档</div>
</div>
<div class="jump">
<input id="jump" type="number" placeholder="0-1之间的数字如0.25"
oninput="if(value>1)value=1;if(value<0)value=0">
<span class="txt" onclick="jump()">跳转</span>
</div>
<div id="content"></div>
</div>
</div>
</div>
<script>
let url = location.search.substring(3);
if (url !== "") {
var book = ePub(url);
document.getElementById("open").style.display = "none"
} else {
var book = ePub();
var inputElement = document.getElementById("input");
inputElement.addEventListener('change', function (e) {
var file = e.target.files[0];
if (window.FileReader) {
var reader = new FileReader();
reader.onload = openBook;
reader.readAsArrayBuffer(file);
}
});
function openBook(e) {
var bookData = e.target.result;
book.open(bookData, "binary");
}
}
//渲染
var rendition = book.renderTo("ebook", {
with: window.innerWidth,
height: window.innerHeight - 20
});
rendition.display();
book.ready
.then(() => {
var local = localStorage.getItem(book.key() + '-locations');
if (local) {
return book.locations.load(local);
} else {
return book.locations.generate();
}
})
.then(locations => {
localStorage.setItem(book.key() + '-locations', book.locations.save());
})
// 目录
book.loaded.navigation.then(toc => {
var read = localStorage.getItem(book.key() + '-read');
if (read) {
rendition.display(read);
}
var $content = document.getElementById("content");
toc.forEach(item => {
var div = document.createElement("div");
div.className = "item";
div.textContent = item.label;
div.addEventListener("click", () => {
rendition.display(item.href);
showhide()
});
$content.appendChild(div)
})
})
//简介
book.loaded.metadata.then(meta => {
var $title = document.getElementById("title");
var $author = document.getElementById("author");
var $cover = document.getElementById("cover");
var $publisher = document.getElementById("publisher");
var $pubdate = document.getElementById("pubdate");
$title.textContent = `书名:${meta.title}`;
$author.textContent = `作者:${meta.creator}`;
$publisher.textContent = `出版社:${meta.publisher}`;
$pubdate.textContent = `时间:${meta.pubdate}`;
if (book.archive) {
book.archive.createUrl(book.cover)
.then(url => {
$cover.src = url;
})
} else {
$cover.src = book.cover;
}
});
//进度显示
rendition.on('relocated', location => {
var percent = book.locations.percentageFromCfi(location.start.cfi);
var $page = document.getElementById("page");
var $load = document.getElementById("load");
$page.textContent = location.end.displayed.page + '/' + location.end.displayed.total;
$load.textContent = Math.fround(percent * 100).toFixed(1) + '%';
})
//章节名显示
rendition.on("rendered", section => {
var $toc = document.getElementById("toc");
$toc.textContent = "目录";
$toc.textContent = book.navigation.get(section.href).label;
})
function showhide() {
var $toc_content = document.getElementById("toc-content")
var $mask = document.getElementById("toc-mask")
if ($toc_content.style.display == "none") {
$toc_content.style.display = ""
$mask.style.display = ""
} else {
$toc_content.style.display = "none"
$mask.style.display = "none"
}
}
function jump() {
$jump = document.getElementById("jump").value;
rendition.display(book.locations.cfiFromPercentage($jump));
showhide();
document.getElementById("jump").value = "";
}
function save() {
localStorage.setItem(book.key() + '-read', rendition.currentLocation().start.cfi)
showhide()
}
function get() {
rendition.display(localStorage.getItem(book.key() + '-read'));
showhide()
}
function del() {
localStorage.removeItem(book.key() + '-read');
showhide()
}
</script>
</body>
</html>