移动端开发（rem+媒体查询+less技术、rem+flexible.js）

最新推荐文章于 2025-03-24 17:52:42 发布

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最新推荐文章于 2025-03-24 17:52:42 发布

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分类专栏：移动端开发项目文章标签： html5 css

本文链接：https://blog.youkuaiyun.com/Zmongo/article/details/104353005

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本文详细介绍了一种基于rem单位和媒体查询的移动端网页布局方案，利用less预处理器进行样式管理，通过flexible.js实现屏幕适配，确保不同设备上的一致体验。案例展示了具体的HTML结构和CSS样式设置。

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rem+媒体查询+less技术

首先我们选一套标准尺寸 750为准
我们用屏幕尺寸除以我们划分的份数得到了 html 里面的文字大小但是我们知道不同屏幕下得到的文字大小是不一样的。
页面元素的rem值 = 页面元素在 750 像素下的px值 / html 里面的文字大小

**************normalize.css ——>移动端页面初识化文件
在这里插入图片描述
common.less文件的配置

案例：

注意层叠性！！！！！

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

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0,user-scalable=no,maximum-scale=1.0,minimum-scale=1.0">
    <link rel="stylesheet" href="css/normalize.css">
    <link rel="stylesheet" href="css/index.css">
    <title>Document</title>

</head>

<body>
    <!-- 顶部搜索框 -->
    <div class="search-content">
        <a href="#" class="classify"></a>
        <div class="search">
            <input type="text" value="厨卫保暖季 每千减百">
        </div>
        <a href="#" class="login">登陆</a>
    </div>
    <div class="banner">
        <img src="upload/banner.gif" alt="">
    </div>
    <!-- 广告部分 -->
    <div class="ad">
        <a href="#"><img src="upload/ad1.gif" alt=""></a>
        <a href="#"><img src="upload/ad2.gif" alt=""></a>
        <a href="#"><img src="upload/ad3.gif" alt=""></a>
    </div>
    <!-- nav模块 -->
    <nav>
        <a href="#"><img src="upload/nav1.png" alt="">
            <span>爆款手机</span>
        </a>
        <a href="#"><img src="upload/nav1.png" alt="">
            <span>爆款手机</span>
        </a>
        <a href="#"><img src="upload/nav1.png" alt="">
            <span>爆款手机</span>
        </a>
        <a href="#"><img src="upload/nav1.png" alt="">
            <span>爆款手机</span>
        </a>
        <a href="#"><img src="upload/nav1.png" alt="">
            <span>爆款手机</span>
        </a>
        <a href="#"><img src="upload/nav1.png" alt="">
            <span>爆款手机</span>
        </a>
        <a href="#"><img src="upload/nav1.png" alt="">
            <span>爆款手机</span>
        </a>
        <a href="#"><img src="upload/nav1.png" alt="">
            <span>爆款手机</span>
        </a>
        <a href="#"><img src="upload/nav1.png" alt="">
            <span>爆款手机</span>
        </a>
        <a href="#"><img src="upload/nav1.png" alt="">
            <span>爆款手机</span>
        </a>

    </nav>
    <!-- 产品 -->
    <div class="pro">
        <div class="big">
            <span class="low">天天低价</span>
            <div class="time">
                <div class="one">10</div>
                <div class="mao">:</div>
                <div class="two">10</div>
                <div class="mao">:</div>
                <div class="three">10</div>
            </div>
            <div class="peo">人气好货限时抢</div>
            <a href="#"><img src="upload/one.jpg" alt=""><span>松鼠</span>
                <div class="logo"></div>
            </a>
            <a href="#"><img src="upload/one.jpg" alt=""><span>￥3.9</span>
                <div class="logo"></div>
            </a>
        </div>
        <div class="big">
            <span class="low">天天低价</span>
            <div class="time">
                <div class="one">10</div>
                <div class="mao">:</div>
                <div class="two">10</div>
                <div class="mao">:</div>
                <div class="three">10</div>
            </div>
            <div class="peo">人气好货限时抢</div>
            <a href="#"><img src="upload/one.jpg" alt=""><span>￥3.9</span>
                <div class="logo"></div>
            </a>
            <a href="#"><img src="upload/one.jpg" alt=""><span>￥3.9</span>
                <div class="logo"></div>
            </a>
        </div>
        <div class="big">
            <span class="low">天天低价</span>
            <div class="time">
                <div class="one">10</div>
                <div class="mao">:</div>
                <div class="two">10</div>
                <div class="mao">:</div>
                <div class="three">10</div>
            </div>
            <div class="peo">人气好货限时抢</div>
            <a href="#"><img src="upload/one.jpg" alt=""><span>￥3.9</span>
                <div class="logo"></div>
            </a>
            <a href="#"><img src="upload/one.jpg" alt=""><span>￥3.9</span>
                <div class="logo"></div>
            </a>
        </div>
        <div class="big">
            <span class="low">天天低价</span>
            <div class="time">
                <div class="one">10</div>
                <div class="mao">:</div>
                <div class="two">10</div>
                <div class="mao">:</div>
                <div class="three">10</div>
            </div>
            <div class="peo">人气好货限时抢</div>
            <a href="#"><img src="upload/one.jpg" alt=""><span>￥3.9</span>
                <div class="logo"></div>
            </a>
            <a href="#"><img src="upload/one.jpg" alt=""><span>￥3.9</span>
                <div class="logo"></div>
            </a>
        </div>
    </div>
</body>

</html>

// 首页的样式less文件
@import "common";
// @import 导入的意思 可以把一个样式文件导入到另外一个样式文件里面
// link是把一个 样式文件引入到html页面里面

body {
    min-width: 320px;
    width: 15rem;
    margin: 0 auto;
    line-height: 1.5;
    font-family: Arial, Helvetica, sans-serif;
    background: #F2F2F2;
}
// search-content
@baseFont: 50;
.search-content {
    display: flex;
    position: fixed;
    top: 0;
    left: 50%;
    z-index: 100;
    transform: translateX(-50% );
    width: 15rem;
    height: 88rem / @baseFont; 
    background-color: #F4C307;
    .classify {
        width: 44rem / @baseFont;   
        height: 70rem / @baseFont;
        margin: 11rem / @baseFont 25rem / @baseFont 7rem / @baseFont 24rem / @baseFont;
        background: url(../images/classify.png) no-repeat;
        // 背景缩放
        background-size:  44rem / @baseFont  70rem / @baseFont;
    }
    .search {
        flex: 1;
        input {
            outline: none;
            width: 93%;
            border: 0;
            margin-top: 12rem / @baseFont;
            height: 66rem / @baseFont;
            border-radius: 33rem / @baseFont;
            background-color: #FFF2CC;
            
            font-size: 25rem / @baseFont;
            color: #9F988A;
            padding-left: 45rem / @baseFont;
        }
    }
    .login {
        width: 75rem / @baseFont;
        height: 70rem / @baseFont;
        line-height: 70rem / @baseFont;
        margin: 10rem / @baseFont;
        font-size: 25rem / @baseFont;
        text-align: center;
        color: #fff;
    }
   
}
// .banner
.banner {
      width: 750rem / @baseFont;
      height: 368rem / @baseFont; 
      img {
          width: 100%;
          height: 100%;
      } 
}
// .ad
.ad {
    display: flex;
    a {
        flex: 1;
        img {
            width: 100%;
        }
    }
}
//nav 
nav {
    width: 750rem / @baseFont;
    a {
        float: left;
        width: 150rem / @baseFont;
        height: 140rem / @baseFont;
        text-align: center;
        img {
            display: block;
            width: 82rem / @baseFont;
            height: 82rem / @baseFont;
            margin: 10rem / @baseFont auto 0;
        }
        span {
            font-size: 25rem / @baseFont;
            color: #333;
        }
    }
}
//pro
.pro {
    width: 685rem / @baseFont;
    background-color: #fff;
    height: 1000rem / @baseFont;
    // margin-top: 330rem / @baseFont;
    margin: 300rem / @baseFont auto 0;
//    border: 1px solid #ccc;
    .big {
        position: relative;
        float: left;
        width: 45%;
        height: 300rem / @baseFont;
        // margin-top: 0rem;
        margin-left: 30rem / @baseFont;
        border-right: 1px solid #ccc;
    }
    .big:nth-child(2) {
       border: 0;
    }
    .big:nth-child(3) {
        margin-top: 30rem / @baseFont;
    }
    .big:nth-child(4) {
        margin-top: 30rem / @baseFont;
        border: 0;
    }
    .low {
        font-size: 20rem / @baseFont;
        font-weight: bolder;
    }
    .time {
        position: absolute;
        top: 35rem / @baseFont;
        left: 100rem / @baseFont;
        div {
            // display: inline-block;
            float: left;
            width: 30rem / @baseFont;
            height: 26rem / @baseFont;
            font-size: 10rem / @baseFont;
            text-align: center;
            line-height: 26rem / @baseFont;
            background-color: #FFCC00;
            border-radius: 7rem / @baseFont;
            margin-right: 8rem / @baseFont;
    
        }
        .mao {
            width: 4rem / @baseFont;
            background-color: #fff;
        }
    }
    .peo {
        width: 45%;
        font-size: 10rem / @baseFont;
        color: #ccc;
        margin-top: -10rem / @baseFont;
    }
    a {
        position: relative;
        float: left;
        width: 120rem / @baseFont;
        height: 140rem / @baseFont;
        margin-right: 10rem / @baseFont;
        img {
            float: left;
            width: 120rem / @baseFont;
            height: 120rem / @baseFont;
            margin-top: 20rem / @baseFont;
           
        }
        span {
            z-index: 10;
            position: absolute;
            top: 140rem / @baseFont;
            left: 5rem / @baseFont;
            padding: 0 30rem / @baseFont;
            font-size: 20rem / @baseFont;
            border-radius: 5rem / @baseFont;
            margin-top: 20rem / @baseFont;
            background-color: yellow;
            color: red;
           
        }
        .logo {
            position: absolute;
            top: 125rem / @baseFont;
            left: 40rem / @baseFont;
            width: 0;
			height: 0;
			border-style: solid;
			border-width: 20rem / @baseFont;
            border-color: transparent transparent yellow transparent;
            // border-radius: 10px;
			// font-size: 0;
			// line-height: 0;

        }
    }
   
}

rem+flexible.js

使i内的文字不倾斜，用font-style:normal
flexible.js 是以当前屏幕为基本，划分为10份
在这里插入图片描述
VSCode px转换rem插件 cssrem,这个插件默认的html文字大小 cssroot 16px
以下是修改html默认基准值 setting.json.修改完要重启VsCode软件

当屏幕大小大于750px时，默认html字体为 75px ,因为设计稿最高width:750px

/* 当屏幕大小大于750px时，默认html字体为 75px ,因为苏宁易购的手机版网页最高width:750px*/


/* 注意要提权 */

@media screen and (min-width: 750px) {
    html {
        font-size: 75px!important;
    }
}

案例

在这里插入图片描述

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

<head>
    <meta name="viewport" content="width=device-width, initial-scale=1.0,user-scalable=no,maximum-scale=1.0,minimum-scale=1.0">
    <link rel="stylesheet" href="css/normalize.css">
    <link rel="stylesheet" href="css/index2.css">
    <!-- 引入js文件 不用媒体查询 -->
    <script src="js/flexible.js"></script>
    <title>Document</title>
</head>

<body>
    <div class="search-content">
        <a href="#" class="classfiy"></a>
        <div class="search">
            <form action="">
                <input type="search" value="这是rem适配方案2哦">
            </form>
        </div>
        <a href="" class="login">分类</a>
    </div>
    <div class="content">
        <img src="upload/banner.gif" alt="">
    </div>
    <div class="shop">
        <a href="#">
            <img src="upload/nav1.png" alt="">
            <span>天天低价</span>
        </a>
        <a href="#">
            <img src="upload/nav1.png" alt="">
            <span>天天低价</span>
        </a>
        <a href="#">
            <img src="upload/nav1.png" alt="">
            <span>天天低价</span>
        </a>
        <a href="#">
            <img src="upload/nav1.png" alt="">
            <span>天天低价</span>
        </a>
        <a href="#">
            <img src="upload/nav1.png" alt="">
            <span>天天低价</span>
        </a>
        <a href="#">
            <img src="upload/nav1.png" alt="">
            <span>天天低价</span>
        </a>
        <a href="#">
            <img src="upload/nav1.png" alt="">
            <span>天天低价</span>
        </a>
        <a href="#">
            <img src="upload/nav1.png" alt="">
            <span>天天低价</span>
        </a>
        <a href="#">
            <img src="upload/nav1.png" alt="">
            <span>天天低价</span>
        </a>
        <a href="#">
            <img src="upload/nav1.png" alt="">
            <span>天天低价</span>
        </a>
    </div>
    <nav>
        <div class="one">
            <img src="upload/ad1.gif" alt="">
        </div>
        <div class="two">
            <img src="upload/ad2.gif" alt="">
        </div>
        <div class="three">
            <img src="upload/ad3.gif" alt="">
        </div>
    </nav>
    <div class="bo">
        <img src="upload/like.webp" alt="">
    </div>
    <div class="hea">
        <div class="like">

            <img src="upload/phone.webp" alt="">
            <p>小米 (MI) Redmi Note8 Pro 6+ 64GB 冰翡翠 6400万四摄小金刚拍照NFC手机超长待机G90T液冷游戏芯6.53 超大全面屏小米红米学生机双卡双待智能</p>
            <span>自营</span>
            <span class="kill">秒杀</span>
        </div>
        <div class="like2">

            <img src="upload/phone.webp" alt="">
            <p>小米 (MI) Redmi Note8 Pro 6+ 64GB 冰翡翠 6400万四摄小金刚拍照NFC手机超长待机G90T液冷游戏芯6.53 超大全面屏小米红米学生机双卡双待智能</p>
            <span>自营</span>
            <div class="money">
                <i>￥5999</i>
                <i class="evaluation">6.1万+评价</i>
            </div>
        </div>
    </div>
</body>

</html>

body {
    min-width: 320px;
    max-width: 750px;
    /* flexible划分了10等分 */
    width: 10rem;
    margin: 0 auto;
    line-height: 1.5;
    font-family: Arial, Helvetica, sans-serif;
    background: #F2F2F2;
    font-size: 1rem;
}

a {
    text-decoration: none;
    font-size: .333333rem;
}


/* 当屏幕大小大于750px时，默认html字体为 75px ,因为苏宁易购的手机版网页最高width:750px*/


/* 注意要提权 */

@media screen and (min-width: 750px) {
    html {
        font-size: 75px!important;
    }
}


/* search-content */

.search-content {
    display: flex;
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 10rem;
    height: 1.173333rem;
    background-color: #FFC001;
}

.classfiy {
    width: .586667rem;
    height: .933333rem;
    margin: .146667rem .333333rem .133333rem;
    background: url(../images/classify.png) no-repeat;
    background-size: .586667rem .933333rem;
}

.search {
    flex: 1;
    /* background-color: purple; */
}

.search input {
    outline: none;
    border: 0;
    width: 100%;
    height: .88rem;
    font-size: .333333rem;
    background-color: #FFF2CC;
    margin-top: .133333rem;
    padding-left: .733333rem;
    color: #757575;
    border-radius: .44rem;
}

.login {
    width: 1rem;
    height: .933333rem;
    margin: .133333rem;
    /* background-color: pink; */
    text-align: center;
    color: #fff;
    line-height: .933333rem;
}

.content {
    width: 10rem;
    height: 4.906667rem;
}

.content img {
    width: 100%;
    height: 100%;
}

.shop {
    overflow: hidden;
}

.shop a {
    float: left;
    width: 1.6rem;
    height: 1.6rem;
    /* background-color: pink; */
    margin: .133333rem .2rem;
}

.shop a img {
    display: block;
    width: 1.333333rem;
    height: 1.333333rem;
    margin: 0 auto;
}

.shop a span {
    display: inline-block;
    width: 100%;
    font-size: 18px;
    color: #757575;
    text-align: center;
}

nav {
    margin-top: .266667rem;
}

nav div {
    width: 33.3333%;
    float: left;
}

nav div img {
    width: 100%;
}

.bo img {
    width: 100%;
}

.hea {
    display: flex;
    height: 13.333333rem;
}

.hea .like,
.hea .like2 {
    flex: 6;
    background-color: #ccc;
}

.hea .like img,
.hea .like2 img {
    margin-left: .533333rem;
}

.hea .like p,
.hea .like2 p {
    display: block;
    width: 90%;
    height: .666667rem;
    font-size: 18px;
    margin: .066667rem .266667rem 0;
    overflow: hidden;
}

.like span,
.like2 span {
    display: inline-block;
    width: .533333rem;
    height: .266667rem;
    text-align: center;
    line-height: .266667rem;
    background-color: #FFCC00;
    border-radius: .066667rem;
    margin-left: .266667rem;
}

.like .kill {
    display: inline-block;
    width: .533333rem;
    height: .266667rem;
    text-align: center;
    padding: 0 .066667rem;
    line-height: .266667rem;
    background-color: #fff;
    border: .013333rem solid #FFCC00;
    margin-left: 0;
}

.money i:nth-child(1) {
    /* 使倾斜的标签不倾斜 */
    font-style: normal;
    font-size: .32rem;
    color: red;
}

.money i:nth-child(2) {
    font-style: normal;
    font-size: .186667rem;
    color: #999999;
    margin-left: .133333rem;
}