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console 命令行工具 X clear

                    
>
console
<!DOCTYPE html>
<html>
<head>	
	<meta charset="utf-8">
</head>
<body>	
    <div class="wrap">    
        <div class="left"><div style="height:700px"></div></div>
        <div class="right">111111111</div>
    </div>	
</body>
</html>
       .wrap{
            width:100%;
            height:400px;
            border:1px solid red;
            display:flex;         /*flex布局*/
        }
        .left{
            width:5%;
            height:500px;
            background:gray;
            flex:none;
            overflow-y: auto; 
        }
        .right{
            height:100%;
            background:green;
            flex:1;        /*flex布局*/
        }