zoukankan html css js c++ java

常用页面布局

flex、媒体查询、rem

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    html {
        font-size: 50px;
    }
    
    @media screen and (min- 320px) {
        html {
            font-size: 21.33333333px;
        }
    }
    
    @media screen and (min- 360px) {
        html {
            font-size: 24px;
        }
    }
    
    @media screen and (min- 375px) {
        html {
            font-size: 25px;
        }
    }
    
    @media screen and (min- 384px) {
        html {
            font-size: 25.6px;
        }
    }
    
    @media screen and (min- 400px) {
        html {
            font-size: 26.66666667px;
        }
    }
    
    @media screen and (min- 414px) {
        html {
            font-size: 27.6px;
        }
    }
    
    @media screen and (min- 424px) {
        html {
            font-size: 28.26666667px;
        }
    }
    
    @media screen and (min- 480px) {
        html {
            font-size: 32px;
        }
    }
    
    @media screen and (min- 540px) {
        html {
            font-size: 36px;
        }
    }
    
    @media screen and (min- 720px) {
        html {
            font-size: 48px;
        }
    }
    
    @media screen and (min- 750px) {
        html {
            font-size: 50px;
        }
    }
    
    body {
        min- 320px;
         15rem;
        margin: 0 auto;
        line-height: 1.5;
        font-family: Arial, Helvetica;
        background: #F2F2F2;
    }
    
    .container {
        display: flex;
        flex-flow: row wrap;
        background-color: rgb(178, 236, 112);
         16rem;
        height: 8rem;
    }
    
    .container .item1 {
        /* 是container儿子 同时还是item1_item的父亲 */
        display: flex;
        flex-flow: column;
        flex: 30%;
        background-color: cadetblue;
    }
    
    .container .item2 {
        display: flex;
        flex-flow: row wrap;
        flex: 70%;
        background-color: chocolate;
    }
    
    .item1 .item1_item {
        flex: 1;
        box-sizing: border-box;
        border: 0.02rem solid #F2F2F2;
        background-color: rgb(38, 230, 188);
    }
    
    .item2 .item2_item {
        box-sizing: border-box;
        flex: 25%;
        height: 50%;
        border: 0.02rem solid #F2F2F2;
    }
    
    .item2 div:nth-of-type(even) {
        background-color: rgb(219, 18, 79);
    }
    
    .item2 div:nth-of-type(odd) {
        background-color: rgb(219, 18, 79);
    }
</style>

<body>
    <div class="container">
        <div class="item1">
            <div class="item1_item">1-1</div>
            <div class="item1_item">1-2</div>
        </div>
        <div class="item2">
            <div class="item2_item">2-1</div>
            <div class="item2_item">2-2</div>
            <div class="item2_item">2-3</div>
            <div class="item2_item">2-4</div>
            <div class="item2_item">2-5</div>
            <div class="item2_item">2-6</div>
            <div class="item2_item">2-7</div>
            <div class="item2_item">2-8</div>
        </div>
    </div>
</body>

</html>

flex、媒体查、rem

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    html {
        font-size: 50px;
    }
    
    @media screen and (min- 320px) {
        html {
            font-size: 21.33333333px;
        }
    }
    
    @media screen and (min- 360px) {
        html {
            font-size: 24px;
        }
    }
    
    @media screen and (min- 375px) {
        html {
            font-size: 25px;
        }
    }
    
    @media screen and (min- 384px) {
        html {
            font-size: 25.6px;
        }
    }
    
    @media screen and (min- 400px) {
        html {
            font-size: 26.66666667px;
        }
    }
    
    @media screen and (min- 414px) {
        html {
            font-size: 27.6px;
        }
    }
    
    @media screen and (min- 424px) {
        html {
            font-size: 28.26666667px;
        }
    }
    
    @media screen and (min- 480px) {
        html {
            font-size: 32px;
        }
    }
    
    @media screen and (min- 540px) {
        html {
            font-size: 36px;
        }
    }
    
    @media screen and (min- 720px) {
        html {
            font-size: 48px;
        }
    }
    
    @media screen and (min- 750px) {
        html {
            font-size: 50px;
        }
    }
    
    body {
        min- 320px;
         15rem;
        margin: 0 auto;
        line-height: 1.5;
        font-family: Arial, Helvetica;
        background: #F2F2F2;
    }
    
    .container {
        display: flex;
        flex-flow: row wrap;
        background-color: rgb(178, 236, 112);
         15.8rem;
        height: 9.6rem;
    }
    
    .container .item1 {
        flex: 70%;
        background-color: rgb(38, 230, 188);
    }
    
    .container .item2 {
        display: flex;
        flex-flow: column nowrap;
        flex: 30%;
        background-color: rgb(219, 18, 79);
    }
    
    .item2 .item2_item {
        box-sizing: border-box;
        flex: 1;
        height: 33.33%;
        border: 0.02rem solid #F2F2F2;
    }
</style>

<body>
    <div class="container">
        <div class="item1"></div>
        <div class="item2">
            <div class="item2_item">2-1</div>
            <div class="item2_item">2-2</div>
            <div class="item2_item">2-3</div>
        </div>
    </div>
</body>

</html>

响应式布局

<!DOCTYPE html>html
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        .container {
            height: 150px;
            background-color: pink;
            margin: 0 auto;
        }
        /* 1. 超小屏幕下  小于 768  布局容器的宽度为 100% */
        
        @media screen and (max- 767px) {
            .container {
                 100%;
            }
        }
        /* 2. 小屏幕下  大于等于768  布局容器改为 750px */
        
        @media screen and (min- 768px) {
            .container {
                 750px;
            }
        }
        /* 3. 中等屏幕下 大于等于 992px   布局容器修改为 970px */
        
        @media screen and (min- 992px) {
            .container {
                 970px;
            }
        }
        /* 4. 大屏幕下 大于等于1200 布局容器修改为 1170 */
        
        @media screen and (min- 1200px) {
            .container {
                 1170px;
            }
        }
    </style>
</head>

<body>
    <!-- 响应式开发里面，首先需要一个布局容器 -->
    <div class="container"></div>
</body>

</html>

流式布局

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        
        section {
            /* 宽度设置为百分比 */
             100%;
            max- 980px;
            min- 320px;
            margin: 0 auto;
        }
        
        section div {
            /* 宽度设置为百分比 */
            float: left;
             50%;
            height: 400px;
        }
        
        section div:nth-child(1) {
            background-color: pink;
        }
        
        section div:nth-child(2) {
            background-color: purple;
        }
    </style>
</head>

<body>
    <section>
        <div></div>
        <div></div>
    </section>
</body>

</html>

flex 案例

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>BingNiter</title>
</head>
<style>
    html {
        font-size: 25px;
    }
    
    body {
        margin: 0 auto;
        padding: 0;
        min- 600px;
        box-sizing: border-box;
    }
    
    .flex_container {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        display: flex;
        flex-flow: row wrap;
         1270px;
        height: 590px;
        justify-content: center;
        align-items: center;
        overflow: hidden;
        background: url(./images/bgc.webp) no-repeat;
        background-size: 100% auto;
    }
    
    .header_link {
        position: absolute;
        top: 0;
        left: 0;
         100%;
        height: 140px;
        display: block;
        z-index: 100;
        text-decoration: none;
    }
    
    .flex_items_left,
    .flex_items_right {
        box-sizing: border-box;
        margin-top: 146px;
    }
    
    .flex_items_left {
        position: relative;
         1000px;
        height: 440px;
        display: flex;
        flex-flow: row wrap;
    }
    
    .flex_container a[class^=item] {
        margin-right: auto;
        overflow: hidden;
    }
    
    .flex_items_right {
         190px;
        height: 440px;
        display: flex;
        align-items: flex-end;
        flex-direction: column;
        flex-wrap: nowrap;
    }
    
    .flex_items_left .item-01 {
        position: relative;
         190px;
        height: 210px;
        box-sizing: border-box;
    }
    
    .flex_items_right .item-02 {
        position: relative;
         190px;
        height: 100px;
        margin-bottom: 10px;
    }
    
    .item-01 .item-01_lazyimg>img,
    .item-01_shoppimg>img,
    .item-01_title .item-01_title_img>img,
    .item-02_lazyimg>img {
         100%;
        height: 100%;
    }
    
    .item-01_shoppimg {
        position: absolute;
        top: 16px;
        left: 50%;
        transform: translateX(-50%);
         130px;
        height: 130px;
    }
    
    .item-01_title .item-01_title_img {
        position: absolute;
        bottom: 36px;
        left: 50%;
        transform: translateX(-50%);
         174px;
        height: 30px;
    }
    
    .item-01_title>span {
        position: absolute;
        bottom: 41px;
        left: 50%;
        transform: translateX(-50%);
        font-size: 17px;
        color: #ffffff
    }
    
    span[class=item-01_desc_text] {
        position: absolute;
        bottom: 7px;
        left: 50%;
        transform: translateX(-50%);
        font-size: 16px;
        color: #DE452B;
    }
    
    .item-02_lazyimg {
         100%;
        height: auto;
    }
    
    .flex_container a[class^=item-01]:hover::before {
        position: absolute;
        top: 0;
        left: 0;
        content: "";
        display: block;
         190px;
        height: 140px;
        opacity: .2;
        z-index: 100;
        background-color: white;
    }
    
    .item-02_lazyimg:hover::before {
        position: absolute;
        top: 0;
        left: 0;
        content: "";
        display: block;
         190px;
        height: 100px;
        opacity: .2;
        z-index: 100;
        background-color: white;
    }
</style>

<body>
    <section class="flex_container">
        <a href="#" class="header_link" title="双11有好礼"></a>
        <section class="flex_items_left">
            <a href="#" class=item-01>
                <div class="item-01_lazyimg">
                    <img src="./images/bankground.webp" alt="">
                </div>
                <div class="item-01_shoppimg">
                    <img src="./images/item1.webp" alt="">
                </div>
                <div class="item-01_title">
                    <div class="item-01_title_img">
                        <img src="./images/title.webp" alt="">
                    </div>
                    <span class="item-01_title_text">满300减100</span>
                </div>
                <span class="item-01_desc_text">乐享生活</span>
            </a>
            <a href="#" class=item-01>
                <div class="item-01_lazyimg">
                    <img src="./images/bankground.webp" alt="">
                </div>
                <div class="item-01_shoppimg">
                    <img src="./images/item2.webp" alt="">
                </div>
                <div class="item-01_title">
                    <div class="item-01_title_img">
                        <img src="./images/title.webp" alt="">
                    </div>
                    <span class="item-01_title_text">满300减100</span>
                </div>
                <span class="item-01_desc_text">乐享生活</span>
            </a>
            <a href="#" class=item-01>
                <div class="item-01_lazyimg">
                    <img src="./images/bankground.webp" alt="">
                </div>
                <div class="item-01_shoppimg">
                    <img src="./images/item3.webp" alt="">
                </div>
                <div class="item-01_title">
                    <div class="item-01_title_img">
                        <img src="./images/title.webp" alt="">
                    </div>
                    <span class="item-01_title_text">满300减100</span>
                </div>
                <span class="item-01_desc_text">乐享生活</span>
            </a>
            <a href="#" class=item-01>
                <div class="item-01_lazyimg">
                    <img src="./images/bankground.webp" alt="">
                </div>
                <div class="item-01_shoppimg">
                    <img src="./images/item4.webp" alt="">
                </div>
                <div class="item-01_title">
                    <div class="item-01_title_img">
                        <img src="./images/title.webp" alt="">
                    </div>
                    <span class="item-01_title_text">满300减100</span>
                </div>
                <span class="item-01_desc_text">乐享生活</span>
            </a>
            <a href="#" class=item-01>
                <div class="item-01_lazyimg">
                    <img src="./images/bankground.webp" alt="">
                </div>
                <div class="item-01_shoppimg">
                    <img src="./images/item5.webp" alt="">
                </div>
                <div class="item-01_title">
                    <div class="item-01_title_img">
                        <img src="./images/title.webp" alt="">
                    </div>
                    <span class="item-01_title_text">满300减100</span>
                </div>
                <span class="item-01_desc_text">乐享生活</span>
            </a>
            <a href="#" class=item-01>
                <div class="item-01_lazyimg">
                    <img src="./images/bankground.webp" alt="">
                </div>
                <div class="item-01_shoppimg">
                    <img src="./images/item6.webp" alt="">
                </div>
                <div class="item-01_title">
                    <div class="item-01_title_img">
                        <img src="./images/title.webp" alt="">
                    </div>
                    <span class="item-01_title_text">满300减100</span>
                </div>
                <span class="item-01_desc_text">乐享生活</span>
            </a>
            <a href="#" class=item-01>
                <div class="item-01_lazyimg">
                    <img src="./images/bankground.webp" alt="">
                </div>
                <div class="item-01_shoppimg">
                    <img src="./images/item7.webp" alt="">
                </div>
                <div class="item-01_title">
                    <div class="item-01_title_img">
                        <img src="./images/title.webp" alt="">
                    </div>
                    <span class="item-01_title_text">满300减100</span>
                </div>
                <span class="item-01_desc_text">乐享生活</span>
            </a>
            <a href="#" class=item-01>
                <div class="item-01_lazyimg">
                    <img src="./images/bankground.webp" alt="">
                </div>
                <div class="item-01_shoppimg">
                    <img src="./images/item8.webp" alt="">
                </div>
                <div class="item-01_title">
                    <div class="item-01_title_img">
                        <img src="./images/title.webp" alt="">
                    </div>
                    <span class="item-01_title_text">满300减100</span>
                </div>
                <span class="item-01_desc_text">乐享生活</span>
            </a>
            <a href="#" class=item-01>
                <div class="item-01_lazyimg">
                    <img src="./images/bankground.webp" alt="">
                </div>
                <div class="item-01_shoppimg">
                    <img src="./images/item9.webp" alt="">
                </div>
                <div class="item-01_title">
                    <div class="item-01_title_img">
                        <img src="./images/title.webp" alt="">
                    </div>
                    <span class="item-01_title_text">满300减100</span>
                </div>
                <span class="item-01_desc_text">乐享生活</span>
            </a>
            <a href="#" class=item-01>
                <div class="item-01_lazyimg">
                    <img src="./images/bankground.webp" alt="">
                </div>
                <div class="item-01_shoppimg">
                    <img src="./images/item10.webp" alt="">
                </div>
                <div class="item-01_title">
                    <div class="item-01_title_img">
                        <img src="./images/title.webp" alt="">
                    </div>
                    <span class="item-01_title_text">满300减100</span>
                </div>
                <span class="item-01_desc_text">乐享生活</span>
            </a>
        </section>
        <section class="flex_items_right">
            <a href="#" class="item-02">
                <div class="item-02_lazyimg">
                    <img src="./images/item_shop1.webp" alt="">
                </div>
            </a>
            <a href="#" class="item-02">
                <div class="item-02_lazyimg">
                    <img src="./images/item_shop2.webp" alt="">
                </div>
            </a>
            <a href="#" class="item-02">
                <div class="item-02_lazyimg">
                    <img src="./images/item_shop3.webp" alt="">
                </div>
            </a>
            <a href="#" class="item-02">
                <div class="item-02_lazyimg">
                    <img src="./images/item_shop4.webp" alt="">
                </div>
            </a>
        </section>
    </section>
</body>

</html>

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原文地址：https://www.cnblogs.com/bingziweb/p/13921067.html