css：两栏三栏布局

两栏布局左边固定右边自适应

在这里插入图片描述

1、浮动方式

DOCTYPE html>
<html lang="en">
<head>
    <style>
        .left {
            width: 200px;
            height: 200px;
            float: left;
            background-color: blue;
        }
        .right {
            margin-left: 200px;
            height: 200px;
            background-color: red;
        }
    style>
head>
<body>
    <div class="father">
        <div class="left">div>
        <div class="right">div>
    div>
body>
html>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

2、定位方式

DOCTYPE html>
<html lang="en">
<head>
    <style>
        .father {
            position: relative;
            height: 200px;
        }
        
        .left {
            position:absolute;
            width: 200px;
            height: 100%;
            background-color: blue;
        }

        .right {
            position:absolute;
            height: 100%;
            left:200px;
            right: 0;
            background-color: red;
        }
    style>
head>
<body>
    <div class="father">
        <div class="left">div>
        <div class="right">div>
    div>
body>
html>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

3、flex方式

DOCTYPE html>
<html lang="en">
<head>
    <style>
        .father {
            height: 300px;
            width: 100%;
            display: flex;
        }

        .left {
            width: 300px;
            height: 100%;
            background-color: blue;
        }

        .right {
            flex: 1;
            height: 100%;
            background-color: red;
        }
    style>
head>
<body>
    <div class="father">
        <div class="left">div>
        <div class="right">div>
    div>
body>
html>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

三栏布局左右固定中自适应

在这里插入图片描述

1、浮动方式

DOCTYPE html>
<html lang="en">
<head>
    <style>
        .father{
            height: 50px;
        }
        .left,.right,.main {
            height: 100%;
        }

        .left {
            width: 200px;
            float: left;
            background-color: red;
        }

        .main {
            margin-left: 200px;
            margin-right: 200px;
            background-color: blue;
        }

        .right {
            float: right;
            width: 200px;
            background-color: yellow;
        }
    style>
head>
<body>
    <div class="father">
        <div class="left">div>
        <div class="right">div>
        <div class="main"> div>
    div>
body>
html>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38

2、定位方式

DOCTYPE html>
<html lang="en">
<head>
    <style>
        .father{
            position: relative;
            height: 50px;
        }
        .left,.right,.main {
            position: absolute;
            height: 100%;
        }

        .left {
            left: 0;
            width: 200px;
            background-color: red
        }

        .main {
            left: 200px;
            right: 200px;
            background-color: blue
        }

        .right {
            right: 0;
            width: 200px;
            background-color: yellow
        }
    style>
head>
<body>
    <div class="father">
        <div class="left">div>
        <div class="right">div>
        <div class="main"> div>
    div>
body>
html>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

3、flex方式

DOCTYPE html>
<html lang="en">
<head>
    <style>
        .father {
            display: flex;
            height: 50px;
        }

        .left,.right,.main {
            height: 100%;
        }

        .left {
            width: 200px;
            background-color: red
        }

        .main {
            flex: 1;
            background-color: blue
        }

        .right {
            width: 200px;
            background-color: yellow
        }
    style>
head>
<body>
    <div class="father">
        <div class="left">div>
        <div class="main"> div>
        <div class="right">div>
    div>
body>
html>
```
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38

相关阅读:
合并对象、合并数组的方法
 基于阿里云 Serverless 快速部署 function 的极致体验
 Mysql数据库常用命令，终端命令，cmd
CentOS7和CentOS8 Asterisk 20.0.0 简单图形化界面9--对接鼎兴FXO网关落地
 Centos7 Linux系统下生成https的crt和key证书
 lua字符串相关方法，如截取中文字符串
 yolov8输出结果后处理
 kafka消息中间件
 【网页设计】期末大作业html+css (个人生活记录介绍网站）
时序预测 | Matlab灰色-马尔科夫预测
原文地址：https://blog.csdn.net/weixin_43972437/article/details/127773426