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07.浮动（下）

2023-05-16 42
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简介： 07.浮动

制作有路网搜索栏


image.png


<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="reset.css">
    <style>
        .search-bar{
            width: 1200px;
            margin: 40px auto 0;
            overflow: hidden;
            /*border: 3px solid black;*/
        }
        .search-bar .logo{
            float: left;
            margin-right: 64px;
            /*border: 1px solid blue;*/
        }
        .search-bar .search-block{
            /*border: 1px solid blue;*/
            float: left;
        }
        .search-bar .cart{
            float: right;
            /*border: 1px solid blue;*/
        }
        .search-bar .hot-search li{
            display: inline-block;
            font-size: 16px;
            line-height: 32px;
            font-weight: bold;
            padding: 0px 2px;
        }
        .search-bar .hot-search li a{
            color: gray;
        }
        .search-bar .hot-search li a:hover
        {
            text-decoration: underline;
            color: orange;
        }
        .search-bar .cart
        {
            background-image: url("cart.jpg");
            background-repeat: no-repeat;
            /*border: 1px solid blue;*/
            padding-left: 44px;
            line-height: 20px;
        }
        .search-bar .cart a{
            color: black;
        }
        .search-bar .cart a:hover {
            text-decoration: underline;
        }
        .search-bar .cart span{
            color: red;
            font-weight: bold;
        }
        .search{
            width: 509px;
            margin: 0 auto;
            /*margin-top: 60px;*/
            height: 40px;
        }
        .search .input{
            width: 400px;
            height: 36px;
            border: 3px solid red;
            font-size: 20px;
        }
        .search .btn{
            vertical-align: top;
            height: 42px;
            width: 100px;
            margin-left: -3px;
            border: 0px solid black;
            background-color: red;
            color: white;
            font-size: 18px;
            font-weight: bold;
            letter-spacing: 6px;
            cursor: pointer;
        }
    </style>
</head>
<body>
<div class="search-bar">
    <div class="logo">
        <img src="logo.jpg">
    </div>
    <div class="search-block">
        <div class="search">
            <form action="#">
                <input type="text" class="input" placeholder="书名"><input type="submit" value="搜索" class="btn">
            </form>
        </div>
        <div class="hot-search">
            <ul>
                <li>热门搜索：</li>
                <li><a href="#">高等数学</a></li>
                <li><a href="#">高等数学</a></li>
                <li><a href="#">高等数学</a></li>
                <li><a href="#">高等数学</a></li>
            </ul>
        </div>
    </div>
    <div class="cart">
            <div><a href="#">网站购物车<span>3</span>本</a></div>
            <div><a href="#">网站购物车<span>0</span>本</a></div>
    </div>
</div>
</body>
</html>

Flexbox版


.search-bar{
            width: 1200px;
            margin: 40px auto 0;
            /* overflow: hidden; */
            display: flex;
            /*border: 3px solid black;*/
        }
        .search-bar .logo{
            /* float: left; */
            margin-right: 64px;
            /*border: 1px solid blue;*/
        }
        .search-bar .cart{
            margin-left: auto;
            /* float: right; */
            /* border: 1px solid blue; */
        }

制作有路网推荐图书页面


image.png



<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link href="reset.css" rel="stylesheet">
    <style>
        .book-recommend{
            width: 750px;
            margin: 100px auto 0px;
        }
        .book-recommend .header
        {
            border-bottom: 1px solid gray;
            background-image: url("img/laba.jpg");
            background-repeat: no-repeat;
            background-position: 0px 8px;
            /*border: 1px solid red;*/
        }
        .book-recommend .header div{
            float: right;
            padding-top: 6px;
            padding-right: 6px;
            font-size: 16px;
        }
        .book-recommend .header div span{
            color: red;
        }
        .book-recommend .header h2
        {
            font-size: 22px;
            font-weight: bold;
            padding-left: 20px;
            padding-bottom: 8px;
        }
        .content
        {
            padding-top: 10px;
        }
        .content div{
            text-align: left;
            padding-left: 30px;
            line-height: 32px;
        }
        .content li
        {
            width: 187px;
            float: left;
            text-align: center;
        }
        .content .price{
            margin-top: -10px;
            margin-bottom: 20px;
            font-size: 14px;
        }
        .content .price .discount{
            color: red;
            font-weight: bold;
            margin-right: 6px;
        }
        .content .price .origin-price{
            color: gray;
            text-decoration: line-through;
        }
        .content .author{
            color:gray;
        }
        .content li a{
            color: black;
        }
        .content li a:hover{
            color: orange;
            text-decoration: underline;
        }
        .content li img
        {
            max-width: 160px;
            height: 160px;
        }
    </style>
</head>
<body>
<div class="book-recommend">
    <div class="header">
        <div><span>1</span>/4</div>
        <h2>推荐图书</h2>
    </div>
    <div class="content">
        <ul>
            <li>
                <img src="img/狼图腾.jpg">
                <div><a href="#">狼图腾（修订版）</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
            <li>
                <img src="img/文化苦旅.jpg">
                <div><a href="#">狼图腾（修订版）</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
            <li>
                <img src="img/平凡的世界.jpg">
                <div><a href="#">狼图腾（修订版）</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
            <li>
                <img src="img/偷影子的人.jpg">
                <div><a href="#">狼图腾（修订版）</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
            <li>
                <img src="img/狼图腾.jpg">
                <div><a href="#">狼图腾（修订版）5</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
            <li>
                <img src="img/狼图腾.jpg">
                <div><a href="#">狼图腾（修订版）6</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
            <li>
                <img src="img/蔡永康.jpg">
                <div><a href="#">狼图腾（修订版）7</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
            <li>
                <img src="img/狼图腾.jpg">
                <div><a href="#">狼图腾（修订版）</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
        </ul>
    </div>
</div>
</body>
</html>


项目实战

制作有路网近期热销榜

image.png


<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="reset.css">
    <style>
        .hot{
            width: 220px;
            /*border: 1px solid red;*/
            float: right;
        }
        .hot h2{
            font-size: 16px;
            line-height: 40px;
            padding-left: 34px;
        }
        .hot ul{
            border: 1px solid gray;
            font-size: 14px;
        }
        .hot li .book1{
            line-height: 44px;
            border-bottom: 1px dashed gray;
            padding-left: 14px;
        }
        .hot li span
        {
            margin-right: 6px;
            font-weight: bold;
        }
        .hot .red{
            color: red;
        }
        .hot .book2
        {
            display: none;
        }
        .hot .book2{
            height: 102px;
            border-bottom: 1px dashed gray;
        }
        .hot .book2 div{
            margin-top: 6px;
            float: left;
        }
        .hot .book2 img
        {
            width: 76px;
        }
        .hot .book2 .nored{
            margin-left: 10px;
            display: inline-block;
            margin-top: 6px;
        }
        .hot .book2 .red
        {
            margin-left: 10px;
            display: inline-block;
            margin-top: 6px;
        }
        .hot .book2 .title{
            font-size: 14px;
            margin-bottom: 22px;
        }
        .hot .book2 .discount-price{
            font-size: 16px;
            font-weight: bold;
            color: red;
        }
        .hot .book2 .old-price{
            font-size: 14px;
            color: gray;
            text-decoration: line-through;
        }
        .hot li:hover .book1{
            display: none;
        }
        .hot li:hover .book2{
            display: block;
        }
    </style>
</head>
<body>
<div class="hot">
    <h2>近期热销榜</h2>
    <ul>
        <li>
            <div class="book1"><span class="red">1</span>如果蜗牛有爱情（上下</div>
            <div class="book2">
                <div><span class="red">1</span></div>
                <div><img src="img/萤火虫小巷.jpg"></div>
                <div>
                    <p class="title">萤火虫小巷</p>
                    <p class="discount-price">￥14.40</p>
                    <p class="old-price">￥36.00</p>
                </div>
            </div>
        </li>
        <li>
            <div class="book1"><span class="red">1</span>如果蜗牛有爱情（上下</div>
            <div class="book2">
                <div><span class="red">1</span></div>
                <div><img src="img/萤火虫小巷.jpg"></div>
                <div>
                    <p class="title">萤火虫小巷</p>
                    <p class="discount-price">￥14.40</p>
                    <p class="old-price">￥36.00</p>
                </div>
            </div>
        </li>
        <li>
            <div class="book1"><span class="red">1</span>如果蜗牛有爱情（上下</div>
            <div class="book2">
                <div><span class="red">1</span></div>
                <div><img src="img/萤火虫小巷.jpg"></div>
                <div>
                    <p class="title">萤火虫小巷</p>
                    <p class="discount-price">￥14.40</p>
                    <p class="old-price">￥36.00</p>
                </div>
            </div>
        </li>
        <li>
            <div class="book1"><span>4</span>如果蜗牛有爱情（上下</div>
            <div class="book2">
                <div><span class="nored">4</span></div>
                <div><img src="img/萤火虫小巷.jpg"></div>
                <div>
                    <p class="title">萤火虫小巷</p>
                    <p class="discount-price">￥14.40</p>
                    <p class="old-price">￥36.00</p>
                </div>
            </div>
        </li>
        <li>
            <div class="book1"><span>4</span>如果蜗牛有爱情（上下</div>
            <div class="book2">
                <div><span class="nored">1</span></div>
                <div><img src="img/萤火虫小巷.jpg"></div>
                <div>
                    <p class="title">萤火虫小巷</p>
                    <p class="discount-price">￥14.40</p>
                    <p class="old-price">￥36.00</p>
                </div>
            </div>
        </li>
        <li>
            <div class="book1"><span>4</span>如果蜗牛有爱情（上下</div>
            <div class="book2">
                <div><span class="nored">1</span></div>
                <div><img src="img/萤火虫小巷.jpg"></div>
                <div>
                    <p class="title">萤火虫小巷</p>
                    <p class="discount-price">￥14.40</p>
                    <p class="old-price">￥36.00</p>
                </div>
            </div>
        </li>
        <li>
            <div class="book1"><span>4</span>如果蜗牛有爱情（上下</div>
            <div class="book2">
                <div><span class="nored">1</span></div>
                <div><img src="img/萤火虫小巷.jpg"></div>
                <div>
                    <p class="title">萤火虫小巷</p>
                    <p class="discount-price">￥14.40</p>
                    <p class="old-price">￥36.00</p>
                </div>
            </div>
        </li>
        <li>
            <div class="book1"><span>4</span>如果蜗牛有爱情（上下</div>
            <div class="book2">
                <div><span class="nored">1</span></div>
                <div><img src="img/萤火虫小巷.jpg"></div>
                <div>
                    <p class="title">萤火虫小巷</p>
                    <p class="discount-price">￥14.40</p>
                    <p class="old-price">￥36.00</p>
                </div>
            </div>
        </li>
        <li>
            <div class="book1"><span>4</span>如果蜗牛有爱情（上下</div>
            <div class="book2">
                <div><span class="nored">1</span></div>
                <div><img src="img/萤火虫小巷.jpg"></div>
                <div>
                    <p class="title">萤火虫小巷</p>
                    <p class="discount-price">￥14.40</p>
                    <p class="old-price">￥36.00</p>
                </div>
            </div>
        </li>
        <li>
            <div class="book1"><span>4</span>如果蜗牛有爱情（上下</div>
            <div class="book2">
                <div><span class="nored">1</span></div>
                <div><img src="img/萤火虫小巷.jpg"></div>
                <div>
                    <p class="title">萤火虫小巷</p>
                    <p class="discount-price">￥14.40</p>
                    <p class="old-price">￥36.00</p>
                </div>
            </div>
        </li>
    </ul>
</div>
</body>
</html>

Flexbox版


.hot .book2 div{
            margin-top: 6px;
            /* float: left; */
        }
        .hot li:hover .book2{
            display: flex;
        }


课后作业


必做任务

1.制作带按钮的轮播图（浮动，定位）

2.制作网站导航（ 列表的浮动）

3.制作谁偷了我的能量（列表的浮动，定位）

扩展任务

1.制作网页布局（浮动）

2.制作商品列表（浮动，div）


补充说明：

弹性盒模型教程


image.png


浮动已经过时，最新使用FlexBox

同一份html


<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link href="reset.css" rel="stylesheet">
    <link href="float.css" rel="stylesheet">
</head>
<body>
<div class="book-recommend">
    <div class="header">
        <h2>推荐图书</h2>
        <div><span>1</span>/4</div>
    </div>
    <div class="content">
        <ul>
            <li>
                <img src="img/狼图腾.jpg">
                <div><a href="#">狼图腾（修订版）</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
            <li>
                <img src="img/文化苦旅.jpg">
                <div><a href="#">狼图腾（修订版）</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
            <li>
                <img src="img/平凡的世界.jpg">
                <div><a href="#">狼图腾（修订版）</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
            <li>
                <img src="img/偷影子的人.jpg">
                <div><a href="#">狼图腾（修订版）</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
            <li>
                <img src="img/狼图腾.jpg">
                <div><a href="#">狼图腾（修订版）5</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
            <li>
                <img src="img/狼图腾.jpg">
                <div><a href="#">狼图腾（修订版）6</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
            <li>
                <img src="img/蔡永康.jpg">
                <div><a href="#">狼图腾（修订版）7</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
            <li>
                <img src="img/狼图腾.jpg">
                <div><a href="#">狼图腾（修订版）</a></div>
                <div class="author">姜戎</div>
                <div class="price">
                    <span class="discount">¥15.90</span>
                    <span class="origin-price">¥39.80</span>
                </div>
            </li>
        </ul>
    </div>
</div>
</body>
</html>

浮动版float.css


.book-recommend{
  width: 750px;
  margin: 100px auto 0px;
}
.book-recommend .header
{
  border-bottom: 1px solid gray;
  background-image: url("img/laba.jpg");
  background-repeat: no-repeat;
  background-position: 0px 8px;
}
.book-recommend .header div{
  float: right;
  padding-top: 6px;
  padding-right: 6px;
  font-size: 16px;
}
.book-recommend .header div span{
  color: red;
}
.book-recommend .header h2
{
  font-size: 22px;
  font-weight: bold;
  padding-left: 20px;
  padding-bottom: 8px;
}
.content
{
  padding-top: 10px;
}
.content div{
  text-align: left;
  padding-left: 30px;
  line-height: 32px;
}
.content li
{
  width: 187px;
  float: left;
  text-align: center;
}
.content .price{
  margin-top: -10px;
  margin-bottom: 20px;
  font-size: 14px;
}
.content .price .discount{
  color: red;
  font-weight: bold;
  margin-right: 6px;
}
.content .price .origin-price{
  color: gray;
  text-decoration: line-through;
}
.content .author{
  color:gray;
}
.content li a{
  color: black;
}
.content li a:hover{
  color: orange;
  text-decoration: underline;
}
.content li img
{
  max-width: 160px;
  height: 160px;
}

Flexbox版float.css


.book-recommend{
  width: 750px;
  margin: 100px auto 0px;
}
.book-recommend .header
{
  border-bottom: 1px solid gray;
  background-image: url("img/laba.jpg");
  background-repeat: no-repeat;
  background-position: 0px 8px;
  display: flex;
}
.book-recommend .header div{
  /* float: right; */
  padding-top: 6px;
  padding-right: 6px;
  font-size: 16px;
}
.book-recommend .header div span{
  color: red;
}
.book-recommend .header h2
{
  margin-right: auto;
  font-size: 22px;
  font-weight: bold;
  padding-left: 20px;
  padding-bottom: 8px;
}
.content
{
  padding-top: 10px;
}
.content div{
  text-align: left;
  padding-left: 30px;
  line-height: 32px;
}
.content ul{
  display: flex;
  flex-wrap: wrap;
}
.content li
{
  width: 187px;
  /* float: left; */
  text-align: center;
}
.content .price{
  margin-top: -10px;
  margin-bottom: 20px;
  font-size: 14px;
}
.content .price .discount{
  color: red;
  font-weight: bold;
  margin-right: 6px;
}
.content .price .origin-price{
  color: gray;
  text-decoration: line-through;
}
.content .author{
  color:gray;
}
.content li a{
  color: black;
}
.content li a:hover{
  color: orange;
  text-decoration: underline;
}
.content li img
{
  max-width: 160px;
  height: 160px;
}


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