简约博客主题

image

image

页面定制 CSS 代码

/*body {
        background: url(images/body_bg.jpg) top center no-repeat #000;
}
*/

/*添加按钮*/
.cnblogs-markdown pre {
  position: relative;
}
.cnblogs-markdown pre > span {
  position: absolute;
  top: 0;
  right: 0;
  border-radius: 2px;
  padding: 0 10px;
  font-size: 12px;
  background: rgba(0, 0, 0, 0.4);
  color: #fff;
  cursor: pointer;
  display:none;
}
.cnblogs-markdown pre:hover > span {
  display:block;
}
.cnblogs-markdown pre > .copyed {
  background: #67c23a;
}

#blogTitle h1 {
    font-family: Wawati SC, Helvetica, Tahoma, Arial, "PingFang SC", "Hiragino Sans GB", "Heiti SC", "Microsoft YaHei", "WenQuanYi Micro Hei";
}

/*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;
    width: auto;
    height: auto; 
}
#sideBarTab{
    float:left;
    width:30px; 
    border:1px solid #e5e5e5;
    border-right:none;
    text-align:center;
    background:#ffffff;
}

#sideBarContents{
    float:left;
    overflow:auto; 
    overflow-x:hidden;!important;
    width: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;
}

页面 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');
        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","h2","h3",20);
}
</script>
posted @ 2021-07-22 23:54  万般自然  阅读(72)  评论(0编辑  收藏  举报