假设高度已知,请写出三栏布局,其中左栏、右栏各为300px,中间自适应的五种方法

假设高度已知,请写出三栏布局,其中左栏、右栏各为300px,中间自适应的五种方法

HTML CSS 页面布局


题目:假设高度已知,请写出三栏布局,其中左栏、右栏各为300px,中间自适应
<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Layout</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <style media="screen">
        html * {
            padding: 0;
            margin: 0;
        }

        .layout {
            margin-top: 20px;
        }

        .layout article div {
            min-height: 100px;
        }
    </style>
</head>

<body>
    <section class="layout float">
        <style media="screen">
            .layout.float .left {
                float: left;
                width: 300px;
                background: red;
            }

            .layout.float .right {
                float: right;
                width: 300px;
                background: blue;
            }

            .layout.float .center {
                background: yellow;
            }
        </style>
        <!-- 浮动解决方案 -->
        <article class="left-right-center">
            <div class="left"></div>
            <div class="right"></div>
            <div class="center">
                <h1>浮动解决方案</h1>
                1.这是三栏布局的中间部分 2.这是三栏布局的中间部分
            </div>
        </article>
    </section>
    <!-- 绝对定位解决方案 -->
    <section class="layout absolute">
        <style>
            .layout.absolute .left-center-right>div {
                position: absolute;
            }

            .layout.absolute .left {
                left: 0;
                width: 300px;
                background: red;
            }

            .layout.absolute .center {
                left: 300px;
                right: 300px;
                background: yellow;
            }

            .layout.absolute .right {
                right: 0px;
                width: 300px;
                background: blue;
            }
        </style>
        <article class="left-center-right">
            <div class="left"></div>
            <div class="center">
                <h2>绝对定位解决方案</h2>
                1.这是三栏布局绝对定位中间部分 2.这是三栏布局绝对定位中间部分
            </div>
            <div class="right"></div>
        </article>
    </section>
    <!-- flexbox解决方案 -->
    <section class="layout flexbox">
        <style>
            .layout.flexbox {
                margin-top: 140px;
            }

            .layout.flexbox .left-center-right {
                display: flex;
            }

            .layout.flexbox .left {
                width: 300px;
                background: red;
            }

            .layout.flexbox .center {
                /* flex: 1;占满剩余空间 */
                background: yellow;
            }

            .layout.flexbox .right {
                width: 300px;
                background: blue;
            }
        </style>
        <article class="left-center-right">
            <div class="left"></div>
            <div class="center">
                <h2>flexbox解决方案</h2>
                1.这是三栏布局flex中间部分 2.这是三栏布局flex中间部分
            </div>
            <div class="right"></div>
        </article>
    </section>

    <!-- 表格布局解决方案 -->
    <section class="layout table">
        <style>
            .layout.table .left-center-right {
                width: 100%;
                display: table;
                height: 100px;
            }

            .layout.table .left-center-right>div {
                display: table-cell;
            }

            .layout.table .left {
                width: 300px;
                background: red;
            }

            .layout.table .center {
                background: yellow;
            }

            .layout.table .right {
                width: 300px;
                background: blue;
            }
        </style>
        <article class="left-center-right">
            <div class="left"></div>
            <div class="center">
                <h2>表格布局</h2>
                1.这是三栏布局表格布局的中间部分 2.这是三栏布局表格布局的中间部分
            </div>
            <div class="right"></div>
        </article>
    </section>

    <!-- 网格布局 -->
    <section class="layout grid">
        <style>
            .layout.grid .left-center-right {
                display: grid;
                width: 100%;
                grid-template-rows: 100px;
                grid-template-columns: 300px auto 300px;
            }

            .layout.grid .left {
                background: red;
            }

            .layout.grid .center {
                background: yellow;
            }

            .layout.grid .right {
                background: blue;
            }
        </style>
        <article class="left-center-right">
            <div class="left"></div>
            <div class="center">
                <h2>网格布局解决方案</h2>
                1.这是三栏布局网格布局的中间部分 2.这是三栏布局网格布局的中间部分
            </div>
            <div class="right"></div>
        </article>
    </section>
</body>

</html>