186 lines
4.3 KiB
Plaintext
186 lines
4.3 KiB
Plaintext
<div>
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<div id="toc"></div>
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</div>
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<script src="https://code.jquery.com/jquery-3.4.1.min.js"
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integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo=" crossorigin="anonymous"></script>
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<script>
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initToc()
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function initToc() {
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var toc = $(".post-article ul").first();
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$("#toc").html(toc);
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initRelationship()
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tocFixed()
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}
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function initRelationship() {
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var win = $(window);
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var anchors = $('#toc').find('a');
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var offset = 200; //偏移量看情况调
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win.on('scroll', function () {
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var scrollTop = win.scrollTop();
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anchors.each(function (i, v) {
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var that = $(v);
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var id = that.attr('href');
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var target = $(id);
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if (scrollTop >= target.offset().top - offset) {
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anchors.removeClass('active');
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anchors.parent().removeClass("lit-active");
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that.addClass('active');
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that.parent().addClass("lit-active");
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}
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})
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})
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}
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function tocFixed() {
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var dir = $("#toc");
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var postdiv = $(".article-content");
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var offsetLength = dir.offset().top
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$(document).scroll(function () {
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var distance = offsetLength - $(window).scrollTop();
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console.log(distance)
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// console.log(allpostdiv)
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if (distance <= 0) {
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if (!dir.hasClass('directory-fixed')) {
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dir.addClass('directory-fixed');
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}
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} else if (distance > 0) {
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if (dir.hasClass('directory-fixed')) {
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dir.removeClass('directory-fixed');
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}
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}
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});
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}
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</script>
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<style>
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#toc {
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/*position: fixed;*/
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z-index: 0;
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/*left: 44%;*/
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display: inline-block;
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text-align: left;
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margin-top: 20px;
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/*width: 260px;*/
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/*margin-left: 330px;*/
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}
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.toc-fixed {
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position: fixed;
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z-index: 0;
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left: 50%;
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display: inline-block;
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text-align: left;
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width: 260px;
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margin-left: 330px;
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top: 40px;
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}
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#toc > ul:before {
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content: "";
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position: absolute;
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top: 0;
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left: 0px;
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bottom: 0;
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width: 3px;
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background-color: #ebedef;
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opacity: .5;
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z-index: 1;
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}
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#toc li, #toc ul {
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margin: 0;
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padding-left: 0;
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list-style: none;
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padding-top: 0.3rem;
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}
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#toc > ul {
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position: relative;
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}
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.active {
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color: #1485FE !important;
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background-color: #ebedef;
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}
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#toc > ul li::before {
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position: relative;
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top: 0;
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left: -2px;
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display: inline-block;
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width: 7px;
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height: 7px;
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content: '';
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border-radius: 50%;
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background-color: #1485FE;
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z-index: 100;
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opacity: 0.2;
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vertical-align: middle;
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}
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#toc > ul > li:hover::before {
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opacity: 1;
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}
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.lit-active::before {
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opacity: 1 !important;
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}
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#toc > ul > li > a {
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font-weight: bold;
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}
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#toc ul li a {
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display: inline-table;
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white-space: -moz-pre-wrap;
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vertical-align: middle;
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}
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#toc ul li a {
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margin-left: -5px;
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white-space: nowrap;
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color: #5f5f5f;
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width: 200px;
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padding-left: 15px;
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display: inline-block;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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#toc ul li ul li a {
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margin-left: -15px;
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white-space: nowrap;
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color: #5f5f5f;
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width: 200px;
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padding-left: 30px;
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display: inline-block;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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#toc ul li ul li ul li a {
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display: inline-block;
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margin-left: -15px;
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color: #5f5f5f;
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padding-left: 35px;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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width: 200px;
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}
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#toc a:hover {
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color: #1485FE;
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background-color: #ebedef;
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}
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.directory-fixed {
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position: fixed;
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top: 0rem;
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}
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</style>
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