HTML顶部导航栏固定，左侧菜单栏固定，右侧内容区上下滚动
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>index</title>
<style type="text/css">
* {
margin: 0;
padding: 0;
}
.AllDiv {
width: 100%;
height: 100%;
position: absolute;
display: flex;
flex-direction: column;
}
.TopNavigation {
background-color: #262F3E;
width: 100%;
height: 60px;
position: fixed;
color: white;
z-index: 1500;
display: flex;
align-items: center;
justify-content: space-between;
}
.BodyContentSurface {
background-color: #F3F4F7;
width: 100%;
flex: 1;
}
.BodyContent {
width: 100%;
height: 100%;
position: absolute;
display: flex;
flex-direction: row;
}
.LeftNavigationSurface {
height: 100%;
width: 200px;
position: fixed;
background-color: #F3F4F7;
border: 1px solid red;
}
.left
{
margin-top: 60px;
}
.RightContentSurface {
height: 90%;
flex: 1;
margin-left: 200px;
margin-top: 60px;
}
.RightContent {
width: 100%;
height: 100%;
}
.content
{
height: 3000px;
background-color: #F3F4F7;
}
</style>
</head>
<body>
<div>
<!---顶部菜单栏（固定位置和高度：60px）--->
<div>
</div>
<!---内容区外壳（自适应铺满高度）--->
<div>
<!---内容区--->
<div>
<!---左侧导航栏（固定位置和宽度：200px）--->
<div>
<div>
LeftNavigationSurface
</div>
</div>
<!---右侧内容区（自适应铺满宽度）--->
<div>
<!---右侧内容区--->
<div>
RightContent
<div>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
