基于原生JS的柱状图

*{-webkit-box-sizing: border-box;-moz-box-sizing: border-box;box-sizing: border-box;}
        body{background-color: #c0c0c0;}
        .figure{width:900px;height: 500px;margin: 0 auto;padding: 30px 0;background-color: #ffffff;}
        ul{list-style: none;padding: 0;margin: 0;}
        .figure-line{width: 700px;height: 420px;float: left;border: 1px solid #c0c0c0;border-right: 0;position: relative;}
        .figure-left{width: 100px;height: 420px;float: left;}
        .figure-left ul{margin-top: 30px ;}
        .figure-left ul li{height: 60px;text-align: right;line-height: 60px;padding: 0 5px;}
        .figure-line ul.fr li{border-top:1px solid #c0c0c0;height: 60px;}
        .figure-line ul.fr li:first-child{border: 0;}
        .figure-line ul.ls{width: 700px;height: 420px;position: absolute;bottom: -1px;}
        .figure-line ul.ls li{float: left;display: block;width: 60px;margin:0 20px;background-color: blue;position: relative;bottom: 0;}
        .figure-line ul.ls li span{width: 60px;display: inline-block;text-align: center;position: relative;top: -20px;}
        .figure-bottom{clear: left;float: left;width: 700px;margin-left: 100px;}
        .figure-bottom ul li{display: inline-block;  width: 95px;  text-align: center;;  position: relative;}

    

        

            

            

            

            

            

            

            

        
    
    

        

            

            

            

            

            

            

            

        
        

            
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window.onload = function(){
        //左侧数据加载
        var oUl = document.getElementById('leftUl');
        var figureLeft = [1,2,3,4,5,6,7];
        figureLeft.sort(function(i,l){
            return l- i;
        });
        var oLi = oUl.getElementsByTagName('li');
        for(var i=0;i