给博客添加目录的几种方法

之前研究过博客园美化,最后觉得花里胡哨不如简约直白的好,然后把目录也去掉了,随着博客内容增多,发现目录还是有好处的,在此记录下博客添加目录的几种方法。

方法一:

效果图

 设置-页脚代码

<script language="javascript" type="text/javascript">
// 生成目录索引列表

function GenerateContentList()
{
    var mainContent = $('#cnblogs_post_body');
    var h1_list = $('#cnblogs_post_body h1');//如果你的章节标题不是h2,只需要将这里的h2换掉即可

    if(mainContent.length < 1)
        return;
 
    if(h1_list.length>0)
    {
        var content = '<a name="_labelTop"></a>';
        content += '<div id="navCategory" style="color:#152e97;">';
        content += '<p style="font-size:18px;"><b>目录</b></p>';
        content += '<ul>';
        for(var i=0; i<h1_list.length; i++)
        {
            var go_to_top = '<div style="text-align: right;"><a href="#_labelTop" style="color:#f68a33">回到顶部</a><a name="_label' + i + '"></a></div>';
            $(h1_list[i]).before(go_to_top);
            
            var h2_list = $(h1_list[i]).nextAll("h2");
            var li2_content = '';
            for(var j=0; j<h2_list.length; j++)
            {
                var tmp = $(h2_list[j]).prevAll('h1').first();
                if(!tmp.is(h1_list[i]))
                    break;
                var li2_anchor = '<a name="_label' + i + '_' + j + '"></a>';
                $(h2_list[j]).before(li2_anchor);
                li2_content += '<li><a href="#_label' + i + '_' + j + '">' + $(h2_list[j]).text() + '</a></li>';
            }
            
            var li1_content = '';
            if(li2_content.length > 0)
                li1_content = '<li><a href="#_label' + i + '">' + $(h1_list[i]).text() + '</a><ul>' + li2_content + '</ul></li>';
            else
                li1_content = '<li><a href="#_label' + i + '">' + $(h1_list[i]).text() + '</a></li>';
            content += li1_content;
        }
        content += '</ul>';
        content += '</div><p> </p>';
        content += '<hr style="height:1px;border:none;border-top:1px dashed #0066CC;"/>';
        if($('#cnblogs_post_body').length != 0 )
        {
            $($('#cnblogs_post_body')[0]).prepend(content);
        }
    }   
}

GenerateContentList();
</script>

方法二:

效果图

 设置-页面定制

#cnblogs_post_body
{
    color: black;      
    font: 0.875em/1.5em "微软雅黑" , "PTSans" , "Arial" ,sans-serif;
    font-size: 15px;
}
#cnblogs_post_body h1    {
    text-align:center;
    background: #333366;
    border-radius: 6px 6px 6px 6px;
    box-shadow: 0 0 0 1px #5F5A4B, 1px 1px 6px 1px rgba(10, 10, 0, 0.5);
    color: #FFFFFF;
    font-family: "微软雅黑" , "宋体" , "黑体" ,Arial;
    font-size: 23px;
    font-weight: bold;
    height: 25px;
    line-height: 25px;
    margin: 18px 0 !important;
    padding: 8px 0 5px 5px;
    text-shadow: 2px 2px 3px #222222;
}
#cnblogs_post_body h2    {
    text-align:center;
    background: #006699;
    border-radius: 6px 6px 6px 6px;
    box-shadow: 0 0 0 1px #5F5A4B, 1px 1px 6px 1px rgba(10, 10, 0, 0.5);
    color: #FFFFFF;
    font-family: "微软雅黑" , "宋体" , "黑体" ,Arial;
    font-size: 20px;
    font-weight: bold;
    height: 25px;
    line-height: 25px;
    margin: 18px 0 !important;
    padding: 8px 0 5px 5px;
    text-shadow: 2px 2px 3px #222222;
}
#cnblogs_post_body h3    {
    background: #2B6695;
    border-radius: 6px 6px 6px 6px;
    box-shadow: 0 0 0 1px #5F5A4B, 1px 1px 6px 1px rgba(10, 10, 0, 0.5);
    color: #FFFFFF;
    font-family: "微软雅黑" , "宋体" , "黑体" ,Arial;
    font-size: 18px;
    font-weight: bold;
    height: 25px;
    line-height: 25px;
    margin: 18px 0 !important;
    padding: 8px 0 5px 5px;
    text-shadow: 2px 2px 3px #222222;
}

 博客侧边栏

<script type="text/javascript">
      //以下是锚点JS
      var a = $(document);
      a.ready(function() {
        var b = $('body'),
          d = 'sideToolbar',
          e = 'sideCatalog',
          f = 'sideCatalog-catalog',
          g = 'sideCatalogBtn',
          h = 'sideToolbar-up',
          i = '<div id="sideToolbar"style="display:none;"><div class="sideCatalogBg"id="sideCatalog"><div id="sideCatalog-sidebar"><div class="sideCatalog-sidebar-top"></div><div class="sideCatalog-sidebar-bottom"></div></div><div id="sideCatalog-catalog"><ul class="nav"style="225px;zoom:1"></ul></div></div><a href="javascript:void(0);"id="sideCatalogBtn"class="sideCatalogBtnDisable"></a></div>',
          j = '',
          k = 200,
          l = 0,
          m = 0,
          n = 0,
          //限制存在个数,如数量过多,则只显示h2,不显示h3
          //o, p = 13,
          o, p = 100,
          q = true,
          r = true,
          s = b;
        if(s.length === 0) {
          return
        };
        b.append(i);
        //指定获取目录的范围-------------这一点非常重要,因为每个人指定的范围都不一样,所以这是要修改的地方
        //o = s.find(':header');
        o = $('#cnblogs_post_body').find(':header')
        if(o.length > p) {
          r = false;
          var t = s.find('h2');
          var u = s.find('h3');
          if(t.length + u.length > p) {
            q = false
          }
        };
        o.each(function(t) {
          var u = $(this),
            v = u[0];

          var title = u.text();
          var text = u.text();

          u.attr('id', 'autoid-' + l + '-' + m + '-' + n)
          //if (!u.attr('id')) {
          //    u.attr('id', 'autoid-' + l + '-' + m + '-' + n)
          //};
          if(v.localName === 'h2') {
            l++;
            m = 0;
            if(text.length > 14) text = text.substr(0, 20) + "...";
            j += '<li><span>' + l + '&nbsp&nbsp</span><a href="#' + u.attr('id') + '" title="' + title + '">' + text + '</a><span class="sideCatalog-dot"></span></li>';
          } else if(v.localName === 'h3') {
            m++;
            n = 0;
            if(q) {
              if(text.length > 12) text = text.substr(0, 16) + "...";
              j += '<li class="h2Offset"><span>' + l + '.' + m + '&nbsp&nbsp</span><a href="#' + u.attr('id') + '" title="' + title + '">' + text + '</a></li>';
            }
          } else if(v.localName === 'h4') {
            n++;
            if(r) {
              j += '<li class="h3Offset"><span>' + l + '.' + m + '.' + n + '&nbsp&nbsp</span><a href="#' + u.attr('id') + '" title="' + title + '">' + u.text() + '</a></li>';
            }
          }
        });
        $('#' + f + '>ul').html(j);
        b.data('spy', 'scroll');
        b.data('target', '.sideCatalogBg');
        $('body').scrollspy({
          target: '.sideCatalogBg'
        });
        $sideCatelog = $('#' + e);
        $('#' + g).on('click', function() {
          if($(this).hasClass('sideCatalogBtnDisable')) {
            $sideCatelog.css('visibility', 'hidden')
          } else {
            $sideCatelog.css('visibility', 'visible')
          };
          $(this).toggleClass('sideCatalogBtnDisable')
        });
        $('#' + h).on('click', function() {
          $("html,body").animate({
            scrollTop: 0
          }, 500)
        });
        $sideToolbar = $('#' + d);

        //通过判断评论框是否存在显示索引目录
        var commentDiv = $("#blog-comments-placeholder");

        a.on('scroll', function() {
          //评论框存在才调用方法
          if(commentDiv.length > 0) {
            var t = a.scrollTop();
            if(t > k) {
              $sideToolbar.css('display', 'block');
              $('#gotop').show()
            } else {
              $sideToolbar.css('display', 'none')
              $('#gotop').hide()
            }
          }
        })
      });
      //以上是锚点JS
      //以下是返回顶部JS
      $(function() {
        $('body').append('<div id="gotop" onclick="goTop();"></div>');
      });

      function goTop(u, t, r) {
        var scrollActivate = !0;
        if(scrollActivate) {
          u = u || 0.1;
          t = t || 16;
          var s = 0,
            q = 0,
            o = 0,
            p = 0,
            n = 0,
            j = 0;
          document.documentElement && (s = document.documentElement.scrollLeft || 0, q = document.documentElement.scrollTop || 0);
          document.body && (o = document.body.scrollLeft || 0, p = document.body.scrollTop || 0);
          n = window.scrollX || 0;
          j = window.scrollY || 0;
          s = Math.max(s, Math.max(o, n));
          q = Math.max(q, Math.max(p, j));
          p = 1 + u;
          window.scrollTo(Math.floor(s / p), Math.floor(q / p));
          0 < s || 0 < q ? window.setTimeout('goTop(' + u + ', ' + t + ')', t) : 'undefined' != typeof r && r()
        } else {
          scrollActivate = !0
        }
      }
      //以上是返回顶部JS
    </script>

页首代码

<link  type="text/css" rel="stylesheet" href="http://files.cnblogs.com/files/miangao/maodian.css">
<script src="http://files.cnblogs.com/files/miangao/maodian.js"></script>
<script src="http://files.cnblogs.com/files/miangao/bootstrap.min.js"></script>

页脚代码

<script src="http://files.cnblogs.com/files/miangao/bootstrap.min.js"></script>
<script language="javascript" type="text/javascript">
//生成目录索引列表
function GenerateContentList()
{
    var jquery_h3_list = $('#cnblogs_post_body h2');//如果你的章节标题不是h3,只需要将这里的h3换掉即可
    if(jquery_h3_list.length>0)
    {
        var content = '<a name="_labelTop"></a>';
        content    += '<div id="navCategory">';
        content    += '<p style="font-size:18px"><b>阅读目录</b></p>';
        content    += '<ul>';
        for(var i =0;i<jquery_h3_list.length;i++)
        {
            var go_to_top = '<div style="text-align: right"><a href="#_labelTop">回到顶部</a><a name="_label' + i + '"></a></div>';
            $(jquery_h3_list[i]).before(go_to_top);
            var li_content = '<li><a href="#_label' + i + '">' + $(jquery_h3_list[i]).text() + '</a></li>';
            content += li_content;
        }
        content    += '</ul>';
        content    += '</div>';
        if($('#cnblogs_post_body').length != 0 )
        {
            $($('#cnblogs_post_body')[0]).prepend(content);
        }
    }    
}
GenerateContentList();
</script>

方法三:

效果图

 注意此样式我改成了仅支持h4标题

页面定制CSS代码

/*生成博客目录的CSS*/
#uprightsideBar{
    font-size:12px;
    font-family:Arial, Helvetica, sans-serif;
    text-align:left;
    position:fixed;/*将div的位置固定到距离top:50px,right:0px的位置,这样div就会处在最右边的位置,距离顶部50px*/
    top:50px;
    right:0px;
     auto;
    height: auto; 
}
#sideBarTab{
    float:left;
    30px; 
    border:1px solid #e5e5e5;
    border-right:none;
    text-align:center;
    background:#ffffff;
}

#sideBarContents{
    float:left;
    overflow:auto; 
    overflow-x:hidden;!important;
    200px;
    min-height:108px;
    max-height:460px;
    border:1px solid #e5e5e5;
    border-right:none; 
    background:#ffffff;
}
#sideBarContents dl{
    margin:0;
    padding:0;
}

#sideBarContents dt{
    margin-top:5px;
    margin-left:5px;
}

#sideBarContents dd, dt {
    cursor: pointer;
}

#sideBarContents dd:hover, dt:hover {
    color:#A7995A;
}
#sideBarContents dd{
    margin-left:20px;
}

页首HTML代码

<script type="text/javascript">
/*
    功能:生成博客目录的JS工具
    测试:IE8,火狐,google测试通过
    孤傲苍狼
    2014-5-11
*/
var BlogDirectory = {
    /*
        获取元素位置,距浏览器左边界的距离(left)和距浏览器上边界的距离(top)
    */
    getElementPosition:function (ele) {        
        var topPosition = 0;
        var leftPosition = 0;
        while (ele){              
            topPosition += ele.offsetTop;
            leftPosition += ele.offsetLeft;        
            ele = ele.offsetParent;     
        }  
        return {top:topPosition, left:leftPosition}; 
    },

    /*
    获取滚动条当前位置
    */
    getScrollBarPosition:function () {
        var scrollBarPosition = document.body.scrollTop || document.documentElement.scrollTop;
        return  scrollBarPosition;
    },
    
    /*
    移动滚动条,finalPos 为目的位置,internal 为移动速度
    */
    moveScrollBar:function(finalpos, interval) {

        //若不支持此方法,则退出
        if(!window.scrollTo) {
            return false;
        }

        //窗体滚动时,禁用鼠标滚轮
        window.onmousewheel = function(){
            return false;
        };
          
        //清除计时
        if (document.body.movement) { 
            clearTimeout(document.body.movement); 
        } 

        var currentpos =BlogDirectory.getScrollBarPosition();//获取滚动条当前位置

        var dist = 0; 
        if (currentpos == finalpos) {//到达预定位置,则解禁鼠标滚轮,并退出
            window.onmousewheel = function(){
                return true;
            }
            return true; 
        } 
        if (currentpos < finalpos) {//未到达,则计算下一步所要移动的距离
            dist = Math.ceil((finalpos - currentpos)/10); 
            currentpos += dist; 
        } 
        if (currentpos > finalpos) { 
            dist = Math.ceil((currentpos - finalpos)/10); 
            currentpos -= dist; 
        }
        
        var scrTop = BlogDirectory.getScrollBarPosition();//获取滚动条当前位置
        window.scrollTo(0, currentpos);//移动窗口
        if(BlogDirectory.getScrollBarPosition() == scrTop)//若已到底部,则解禁鼠标滚轮,并退出
        {
            window.onmousewheel = function(){
                return true;
            }
            return true;
        }
        
        //进行下一步移动
        var repeat = "BlogDirectory.moveScrollBar(" + finalpos + "," + interval + ")"; 
        document.body.movement = setTimeout(repeat, interval); 
    },
    
    htmlDecode:function (text){
        var temp = document.createElement("div");
        temp.innerHTML = text;
        var output = temp.innerText || temp.textContent;
        temp = null;
        return output;
    },

    /*
    创建博客目录,
    id表示包含博文正文的 div 容器的 id,
    mt 和 st 分别表示主标题和次级标题的标签名称(如 H2、H3,大写或小写都可以!),
    interval 表示移动的速度
    */
    createBlogDirectory:function (id, mt, st, interval){
         //获取博文正文div容器
        var elem = document.getElementById(id);
        if(!elem) return false;
        //获取div中所有元素结点
        var nodes = elem.getElementsByTagName("*");
        //创建博客目录的div容器
        var divSideBar = document.createElement('DIV');
        divSideBar.className = 'uprightsideBar';
        divSideBar.setAttribute('id', 'uprightsideBar');
        var divSideBarTab = document.createElement('DIV');
        divSideBarTab.setAttribute('id', 'sideBarTab');
        divSideBar.appendChild(divSideBarTab);
        var h2 = document.createElement('H2');
        divSideBarTab.appendChild(h2);
        var txt = document.createTextNode('目录导航');
        h2.appendChild(txt);
        var divSideBarContents = document.createElement('DIV');
        divSideBarContents.style.display = 'none';
        divSideBarContents.setAttribute('id', 'sideBarContents');
        divSideBar.appendChild(divSideBarContents);
        //创建自定义列表
        var dlist = document.createElement("dl");
        divSideBarContents.appendChild(dlist);
        var num = 0;//统计找到的mt和st
        mt = mt.toUpperCase();//转化成大写
        st = st.toUpperCase();//转化成大写
        //遍历所有元素结点
        for(var i=0; i<nodes.length; i++)
        {
            if(nodes[i].nodeName == mt|| nodes[i].nodeName == st)    
            {
                //获取标题文本
                var nodetext = nodes[i].innerHTML.replace(/</?[^>]+>/g,"");//innerHTML里面的内容可能有HTML标签,所以用正则表达式去除HTML的标签
                nodetext = nodetext.replace(/ /ig, "");//替换掉所有的 
                nodetext = BlogDirectory.htmlDecode(nodetext);
                //插入锚        
                nodes[i].setAttribute("id", "blogTitle" + num);
                var item;
                switch(nodes[i].nodeName)
                {
                    case mt:    //若为主标题 
                        item = document.createElement("dt");
                        break;
                    case st:    //若为子标题
                        item = document.createElement("dd");
                        break;
                }
                
                //创建锚链接
                var itemtext = document.createTextNode(nodetext);
                item.appendChild(itemtext);
                item.setAttribute("name", num);
                item.onclick = function(){        //添加鼠标点击触发函数
                    var pos = BlogDirectory.getElementPosition(document.getElementById("blogTitle" + this.getAttribute("name")));
                    if(!BlogDirectory.moveScrollBar(pos.top, interval)) return false;
                };            
                
                //将自定义表项加入自定义列表中
                dlist.appendChild(item);
                num++;
            }
        }
        
        if(num == 0) return false; 
        /*鼠标进入时的事件处理*/
        divSideBarTab.onmouseenter = function(){
            divSideBarContents.style.display = 'block';
        }
        /*鼠标离开时的事件处理*/
        divSideBar.onmouseleave = function() {
            divSideBarContents.style.display = 'none';
        }

        document.body.appendChild(divSideBar);
    }
    
};

window.onload=function(){
    /*页面加载完成之后生成博客目录*/
    BlogDirectory.createBlogDirectory("cnblogs_post_body","h4","h4",20);
}
</script>

三个样式亲测能用,个人偏向第三种,样式简单,转载就不列出了,我也记不清出处是哪了,哈哈。

今天的学习是为了以后的工作更加的轻松!
原文地址:https://www.cnblogs.com/tz90/p/13440533.html