效果镇楼；
1
前端UI层面；
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Document</title><!-- layui的核心CSS文件 -->
<link rel="stylesheet" href="layui/css/layui.css" ><script src="layui/layui.js" type="text/JavaScript" charset="uft-8"> </script>
</head>
<body><div class="layui-contaier" style="background-color: aquamarine; height: 200px;" ></div>&l
![SpringBoot 底层机制分析[上]](https://img-blog.csdnimg.cn/img_convert/f32bf6f72df7ae50a20d0c0d93ad6b4d.png)
