自定义侧边栏博客目录
- 2019 年 10 月 6 日
- 笔记
参考：
<!-- 目录索引列表生成 --> <script language="javascript" type="text/javascript"> function GenerateContentList() { if ($('#cnblogs_post_body').length == 0) { return; } var jquery_h1_list = $('#cnblogs_post_body h1'); var jquery_h2_list = $('#cnblogs_post_body h2'); var jquery_h3_list = $('#cnblogs_post_body h3'); if (jquery_h1_list.length != 0) { var content = '<a name="_labelTop"></a>'; content += '<div id="navCategory">'; content += '<p style="font-size:18px"><b>目录</b></p>'; content += '<ul class="first_class_ul">'; for (var i = 0; i < jquery_h1_list.length; i++) { var go_to_top = '<div style="text-align: right"><a href="#_labelTop">返回目录</a><a name="_label' + i + '"></a></div>'; $(jquery_h1_list[i]).before(go_to_top); var li_content = '<li><a href="#_label' + i + '">' + $(jquery_h1_list[i]).text() + '</a></li>'; var nextH1Index = i + 1; if (nextH1Index == jquery_h1_list.length) { nextH1Index = 0; } var jquery_h2_list = $(jquery_h1_list[i]).nextUntil(jquery_h1_list[nextH1Index], "h2"); if (jquery_h2_list.length > 0) { li_content += '<ul class="second_class_ul">'; } for (var j = 0; j < jquery_h2_list.length; j++) { var go_to_top2 = '<div style="text-align: right"><a href="#_labelTop">返回目录</a><a name="_lab2_'+ i + '_' + j + '"></a></div>'; $(jquery_h2_list[j]).before(go_to_top2); li_content +='<li><a href="#_lab2_'+ i +'_' + j + '">' + $(jquery_h2_list[j]).text() + '</a></li>'; var nextH2Index = j + 1; var next; if (nextH2Index == jquery_h2_list.length) { if (i + 1 == jquery_h1_list.length) { next = jquery_h1_list[0]; } else { next = jquery_h1_list[i + 1]; } } else { next = jquery_h2_list[nextH2Index]; } var jquery_h3_list = $(jquery_h2_list[j]).nextUntil(next, "h3"); if (jquery_h3_list.length > 0) { li_content += '<ul class="third_class_ul">'; } for (var k = 0; k < jquery_h3_list.length; k++) { var go_to_third_Content = '<div style="text-align: right"><a href="#_labelTop">返回目录</a><a name="_label3_' + i + '_' + j + '_' + k + '"></a></div>'; $(jquery_h3_list[k]).before(go_to_third_Content); li_content += '<li><a href="#_label3_' + i + '_' + j + '_' + k + '">' + $(jquery_h3_list[k]).text() + '</a></li>'; } if (jquery_h3_list.length > 0) { li_content += '</ul>'; } li_content += '</li>'; } if (jquery_h2_list.length > 0) { li_content +='</ul>'; } li_content +='</li>'; content += li_content; } content += '</ul>'; content += '</div>'; } else if (jquery_h2_list.length != 0) { var content = '<a name="_labelTop"></a>'; content += '<div id="navCategory">'; content += '<p style="font-size:18px"><b>目录</b></p>'; content += '<ul class="second_class_ul">'; for(var i =0; i < jquery_h2_list.length; i++) { var go_to_top2 = '<div style="text-align: right"><a href="#_labelTop">返回目录</a><a name="_lab2_'+ i + '_' + j + '"></a></div>'; $(jquery_h2_list[j]).before(go_to_top2); var li_content = '<li><a href="#_lab' + i + '">' + $(jquery_h2_list[i]).text() + '</a></li>'; var nextH1Index = i + 1; if (nextH1Index == jquery_h2_list.length) { nextH1Index = 0; } var jquery_h3_list = $(jquery_h2_list[i]).nextUntil(jquery_h2_list[i+1], "h3"); if(jquery_h3_list.length>0) { li_content +='<ul class="third_class_ul">'; } for(var j = 0;j < jquery_h3_list.length;j++) { var go_to_third_Content = '<div style="text-align: right"><a href="#_labelTop">返回目录</a><a name="_label3_' + i + '_' + j + '_' + k + '"></a></div>'; $(jquery_h3_list[k]).before(go_to_third_Content); li_content +='<li><a href="#_lab2'+ i +'_' + j + '">' + $(jquery_h3_list[j]).text() + '</a></li>'; } if(jquery_h3_list.length>0) { li_content +='</ul>'; } li_content +='</li>'; content += li_content; } content += '</ul>'; content += '</div>'; } else if (jquery_h3_list.length != 0) { var content = '<a name="_labelTop"></a>'; content += '<div id="navCategory">'; content += '<p style="font-size:18px"><b>目录</b></p>'; content += '<ul>'; for(var i = 0; i < jquery_h3_list.length; i++) { var go_to_third_Content = '<div style="text-align: right"><a href="#_labelTop">返回目录</a><a name="_label3_' + i + '_' + j + '_' + k + '"></a></div>'; $(jquery_h3_list[k]).before(go_to_third_Content); var li_content = '<li><a href="#_label' + i + '">' + $(jquery_h3_list[i]).text() + '</a></li>'; content += li_content; } content += '</ul>'; content += '</div>'; } else { return; } $($('#cnblogs_post_body')[0]).prepend(content); } GenerateContentList(); </script>
自定义CSS：(位置和背景颜色，以及超链接的下划线)
div#navCategory { position: fixed; left: 0; top: 20px; width: 300px; background-color:white; } #cnblogs_post_body a:link { text-decoration: none; }
效果：
补丁 2019/8/28
侧边栏目录有个问题，在15.6的显示器上会出现遮挡情况。（当初设置的时候是用23寸显示器来写的）
于是在目录旁边加了一个隐藏显示的切换功能。
贴一下代码
<b>目录/</b><b class="hide">隐藏</b></p>';
然后JS设置一个滑动滑出的功能：
<script> $(document).ready(function(){ $(".hide").click(function(){ $("#navCategory ul").slideToggle(); if($(".hide").text()=="隐藏") { $(".hide").text("显示"); } else { $(".hide").text("隐藏"); } }); }); </script>
