第三天、移动端特点，百分比布局，Flex布局，实战演练

移动端特点

　   移动端和PC端网页不同点

　　　　

 

 

　　谷歌模拟器

　　　　

 

　　分辨率

　　　　

 

　　视口

　　　　

 

　　二倍图

　　　　

 

百分比布局

　　

<!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>京东</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        
        li {
            list-style: none;
        }
        
        .toolbar {
            position: fixed;
            left: 0;
            bottom: 0;
            /* 百分比布局  流式布局 */
            width: 100%;
            height: 50px;
            background-color: pink;
            border-top: 1px solid #ccc;
        }
        
        .toolbar li img {
            height: 100%;
        }

        .toolbar li {
            float: left;
            width: 20%;
            height: 50px;
        }
    </style>
</head>

<body>
    <div class="toolbar">
        <ul>
            <li>
                <a href="#"><img src="./images/index.png" alt=""></a>
            </li>
            <li>
                <a href="#"><img src="./images/classify.png" alt=""></a>
            </li>
            <li>
                <a href="#"><img src="./images/jd.png" alt=""></a>
            </li>
            <li>
                <a href="#"><img src="./images/car.png" alt=""></a>
            </li>
            <li>
                <a href="#"><img src="./images/login.png" alt=""></a>
            </li>
        </ul>
    </div>
</body>

</html>
京东底部100%导航布局

 

 

Flex布局

　　

<!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>体验flex布局</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        .box {
            display: flex;
            justify-content: space-between;
            /* height: 200px; */
            border: 1px solid #000;
        }

        .box div {
            /* float: left;
            margin: 10px; */
            width: 100px;
            height: 100px;
            background-color: pink;
        }
    </style>
</head>
<body>
    <div class="box">
        <div>1</div>
        <div>2</div>
        <div>3</div>
    </div>
</body>
</html>
体验Flex布局

 

<!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>体验flex布局</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        .box {
            /* 视觉效果: 子级一行排列/水平排列 */
            /* 水平排列: 默认主轴在水平, 弹性盒子都是沿着主轴排列 */
            display: flex;
            height: 200px;
            border: 1px solid #000;
        }

        .box div {
            width: 100px;
            height: 100px;
            background-color: pink;
        }
    </style>
</head>
<body>
    <div class="box">
        <div>1</div>
        <div>2</div>
        <div>3</div>
    </div>
</body>
</html>
Flex组成

 

<!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>主轴对齐方式</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        .box {
            display: flex;

            /* 居中 */
            justify-content: center;

            /* 间距在弹性盒子(子级)之间 */
            justify-content: space-between;

            /* 所有地方的间距都相等 */
            justify-content: space-evenly;

            /* 间距加在子级的两侧 */
            /* 视觉效果: 子级之间的距离是父级两头距离的2倍 */
            justify-content: space-around;
            
            height: 200px;
            margin: auto;
            border: 1px solid #000;
        }
        
        .box div {
            width: 100px;
            height: 100px;
            background-color: pink;
        }
    </style>
</head>

<body>
    <div class="box">
        <div>1</div>
        <div>2</div>
        <div>3</div>
    </div>
</body>

</html>
View Code

 

 

<!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>侧轴对齐方式</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        .box {
            display: flex;

            /* 居中 */
            /* align-items: center; */

            /* 拉伸,默认值(现有状态,测试的时候去掉子级的高度) */
            /* align-items: stretch; */

            height: 300px;
            margin: auto;
            border: 1px solid #000;
        }
        
        .box div {
            /* width: 100px; */
            /* height: 100px; */
            background-color: pink;
        }

        /* 单独设置某个弹性盒子的侧轴对齐方式 */
        .box div:nth-child(2) {
            align-self: center;
        }
        
    </style>
</head>

<body>
    <div class="box">
        <div>1111</div>
        <div>2</div>
        <div>3</div>
    </div>
</body>

</html>
侧轴对齐方式

 

<!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>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        .box {
            display: flex;

            height: 300px;
            border: 1px solid #000;
        }

        .box div {
            height: 200px;
            margin: 0 20px;
            background-color: pink;
        }

        .box div:nth-child(1) {
            width: 50px;
        }

        .box div:nth-child(2) {
            /* 占用父级剩余尺寸的份数 */
            flex: 3;
        }

        .box div:nth-child(3) {
            flex: 1;
        }
        
    </style>
</head>
<body>
    <div class="box">
        <div>1</div>
        <div>2</div>
        <div>3</div>
    </div>
</body>
</html>
伸缩比

 

 

实战演练

　　

 

<!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>确认订单</title>
    <link rel="stylesheet" href="./lib/iconfont/iconfont.css">
    <link rel="stylesheet" href="./css/base.css">
    <link rel="stylesheet" href="./css/orders.css">
</head>
<body>
    <!-- 主体内容: 滑动查看 -->
    <div class="main">
        <!-- 用户信息 -->
        <div class="pannel user_msg">
            <div class="location">
                <i class="iconfont icon-location"></i>
            </div>
            <div class="user">
                <div class="top">
                    <h5>林丽</h5>
                    <p>18500667882</p>
                </div>
                <div class="bottom">北京市  海淀区  中关村软件园   信息科技大厦1号
                    楼410#   </div>
            </div>
            <div class="more">
                <i class="iconfont icon-more"></i>
            </div>
        </div>
        <!-- 用户信息 -->
    </div>
    <!-- 主体内容: 滑动查看 -->

    <!-- 底部支付: 固定定位 -->
    <div class="pay">
        <div class="left">
            合计: <span class="red">￥<i>266.00</i></span>
        </div>
        <div class="right">
            <a href="#">去支付</a>
        </div>
    </div>
    <!-- 底部支付: 固定定位 -->
</body>
</html>
html
body {
    background-color: #f7f7f8;
}

/* 公共样式 */
.red {
    color: #cf4444;
}

.pannel {
    margin-bottom: 10px;
    background-color: #fff;
    border-radius: 5px;
}

/* 主体内容 */
.main {
    /* 80px: 为了内容不被底部区域盖住 */
    padding: 12px 11px 80px;
}

/* 用户信息 */
.user_msg {
    display: flex;
    align-items: center;
    padding: 15px 0 15px 11px;
}

.user_msg .location {
    width: 30px;
    height: 30px;
    margin-right: 10px;
    background-image: linear-gradient(90deg, 
        #6fc2aa 5%, 
        #54b196 100%);
    border-radius: 50%;
    text-align: center;
    line-height: 30px;
    color: #fff;
}

.user_msg .user {
    flex: 1;
}

.user_msg .user .top {
    display: flex;
}

.user_msg .user .top h5 {
    width: 55px;
    font-size: 15px;
    font-weight: 400;
}

.user_msg .user .top p {
    font-size: 13px;
}

.user_msg .user .bottom {
    margin-top: 5px;
    font-size: 12px;
}

.user_msg .more {
    width: 44px;
    height: 44px;
    /* background-color: pink; */
    text-align: center;
    line-height: 44px;
    color: #808080;
}







/* 主体内容 */

/* 底部支付 */
.pay {
    position: fixed;
    left: 0;
    bottom: 0;

    display: flex;
    /* 主轴对齐方式 */
    justify-content: space-between;
    /* 侧轴对齐方式 */
    align-items: center;

    width: 100%;
    height: 80px;

    padding: 0 11px;
    /* background-color: pink; */
    border-top: 1px solid #ededed;
}

.pay .left {
    font-size: 12px;
}

.pay .left i {
    font-size: 20px;
}

.pay .right a {
    display: block;
    width: 90px;
    height: 35px;
    background-image: linear-gradient(90deg, 
        #6fc2aa 5%, 
        #54b196 100%);
    border-radius: 3px;
    text-align: center;
    line-height: 35px;
    font-size: 13px;
    color: #fff;
    
}
/* 底部支付 */
order
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font: 16px/1.5 sans-serif;
  color: #333;
  background-color: #fff;
}
li {
  list-style: none;
}
em,
i {
  font-style: normal;
}
a {
  text-decoration: none;
  color: #333;
}
a:hover {
  color: #5eb69c;
}
img {
  width: 100%;
  vertical-align: middle;
}
input {
  padding: 0;
  border: none;
  outline: none;
  color: #333;
}
button {
  cursor: pointer;
}
/* 清除浮动 */
.clearfix:before,
.clearfix:after {
  content: '';
  display: table;
}
.clearfix:after {
  clear: both;
}
.clearfix {
  *zoom: 1;
}
base

 

 posted on 2022-03-27 14:56  编程之路任重道远  阅读(74)  评论(0)    收藏  举报