浮动定位于布局（第五章 11月1日-11月3日作业）-PHP培训九期线上班 - PHP学习作业

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1、制作一张商品信息表，内容自定，要求用到行与列的合并

代码：
html:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>商品信息表</title>
    <link rel="stylesheet" href="css/style1.css">
</head>
<body>
<table>
    <caption>商品信息表</caption>
    <thead>
        <tr>
            <th>类别</th>
            <th>产品编号</th>
            <th>名称</th>
            <th>型号</th>
            <th>产地</th>
            <th>数量(KG)</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td rowspan="3">笔类<br>办公用品</td>
            <td>gb001</td>
            <td>中性笔</td>
            <td>蓝色</td>
            <td>苏州</td>
            <td>100</td>
        </tr>
        <tr>
            <td>gb002</td>
            <td>中性笔</td>
            <td>黑色</td>
            <td>佛山</td>
            <td>3580</td>
        </tr>
        <tr>
            <td>qb003</td>
            <td>自动铅笔</td>
            <td>橙光全自动铅笔</td>
            <td>广州</td>
            <td>5000</td>
        </tr>
        <tr>
            <td rowspan="2">其他文具类</td>
            <td>xp001</td>
            <td>橡皮擦</td>
            <td>晨光中号</td>
            <td>苏州</td>
            <td>1300</td>
        </tr>
        <tr>
            <td>xz001</td>
            <td>修正液</td>
            <td>真彩速干</td>
            <td>南京</td>
            <td>8400</td>
        </tr>
    </tbody>
    <tfoot>
        <tr>
            <td colspan="5" align="center">合计：</td>
            <td>18380</td>
        </tr>
    </tfoot>
</table>
</body>
</html>

css:

table{
    border:1px solid black;
    box-sizing: border-box;
    border-collapse: collapse;
    width: 700px;
    height: 300px;
    margin: 50px auto;
}
table caption{
    font-size: 1.5rem;
    margin-bottom: 20px;
}
thead{
    background: linear-gradient(lightblue,pink);
}
th,td{
    border: 1px solid gray;
    text-align: center;
}
tbody tr:nth-of-type(odd){
    background-color: lightcyan;
}
table tbody>tr:first-of-type>td:first-of-type{
    background-color: white;
}
table tfoot{
    background:linear-gradient(lightgreen,white);
}

2、使用<div><span><p><ul>…等标签来制作一张课程表

代码：
html:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>课程表</title>
    <link rel="stylesheet" href="css/style110102.css"
</head>
<body>
<article class="table">
    <h2 class="caption">课程表</h2>
    <div class="thead">
        <p>
            <span>序号</span>
            <span>星期一</span>
            <span>星期二</span>
            <span>星期三</span>
            <span>星期四</span>
            <span>星期五</span>
        </p>
    </div>
    <div class="tbody">
        <p>
            <span>1</span>
            <span>语文</span>
            <span>数学</span>
            <span>英语</span>
            <span>英语</span>
            <span>体育</span>
        </p>
        <p>
            <span>2</span>
            <span>语文</span>
            <span>数学</span>
            <span>英语</span>
            <span>英语</span>
            <span>体育</span>
        </p>
        <p>
            <span>3</span>
            <span>语文</span>
            <span>数学</span>
            <span>英语</span>
            <span>英语</span>
            <span>体育</span>
        </p>
        <p>
            <span>4</span>
            <span>语文</span>
            <span>数学</span>
            <span>英语</span>
            <span>英语</span>
            <span>体育</span>
        </p>
        <p>
            <span>5</span>
            <span>语文</span>
            <span>数学</span>
            <span>英语</span>
            <span>英语</span>
            <span>体育</span>
        </p>
    </div>
    <div class="tfoot">
        <p>
            <span>备注:值日生</span>
            <span>同学1</span>
            <span>同学2</span>
            <span>同学3</span>
            <span>同学4</span>
            <span>同学5</span>
        </p>
    </div>
</article>    
</body>
</html>

css:

.table{
    display: table;
    box-sizing: border-box;
    border-collapse: collapse;
    border:1px solid #444;
    width:800px;
    margin:auto;
    color:#444;
}
.caption{
    display: table-caption;
    text-align: center;
}
.thead{
    display: table-header-group;/*以表头的形式显示*/
    text-align: center;
    font-weight: bold;     /*表头加粗*/
    font: size 1.2rem;
    letter-spacing: 5px;     /*字间距*/
    background:linear-gradient(blue,white);
    color:white;
    text-shadow: 1px 1px 0 blck;/*水平方向偏移、垂直方向、虚化*/
}
.tbody{
    display: table-row-group;/*以表格主体形式显示*/
}
.tbody>p>span:first-of-type{
    text-align: center;    /*将第一列居中*/
}
div p{
    display: table-row;          /*将所有的ul转换为行*/
}
div p span{
    display: table-cell;       /*将所有的li转为单元格*/
    border:1px solid #444;
    padding:10px;
    text-align: center;
}
.tfoot{
    display:table-footer-group;
    background-color: gainsboro;
}

3、使用绝对定位，实现用户登录框在页面中始终居中显示

代码：
html:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>用户登录框始终居中</title>
    <link rel="stylesheet" href="css/style110104.css"
</head>
<body>
<div>
<h3>用户登录</h3>
<form action="" method="POST">
    <p>
        <label for="username">用户名</label>
        <input type="text" id="username" name="username" value="">
    </p>
    <p>
        <label for="password">登录密码</label>
        <input type="password" id="password" required placeholder="8-12位含字母、数字">
    </p>
    <p>
        <button>登录</button>
    </p>
</form>
</div>
</body>
</html>

css:

div{
    width: 230px;
    height: 180px;
    border: 1px solid gainsboro;
}
div{
    position: absolute;
    left: 50%;
    right: 50%;
    top: 50%
}
body{
    border: 1px solid gainsboro;
    position: relative;
    height: 1000px;
    background-color: honeydew;
}
div{
    position: fixed;
}

4、模仿课堂案例，实现圣杯布局，并写出完整流程与布局思路

模拟案例实现圣杯布局：
html:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>圣杯布局</title>
    <link rel="stylesheet" href="css/style110106.css"
</head>
<body>
<header>年终大促</header>
<main>
    <article>活动区</article>
    <aside>
        <div>服装</div>
        <div>化妆品</div>
        <div>食品</div>   
    </aside>
    <aside>
        <div>会员登录</div>
        <div>最新活动</div>
        <div>下载APP</div> 
    </aside>
</main>
<footer>中文网</footer>
</body>
</html>

css:

body{
    width:1000px;
}
header,footer{
    height: 60px;
    background-color: lavender;
    text-align: center;
}
main{
    padding-left: 200px;
    padding-right: 200px; /*给左右边栏预留空间*/
    box-sizing: border-box;
    overflow: hidden;
}
main>article{
    box-sizing: border-box;
    background-image: url(flower.jpg);
    width: 100%;
    min-height: 600px;
}
main>aside{
    box-sizing: border-box;
    min-height: 600px;
    width: 200px;
}
main>aside:first-of-type{
    background-color: lightcyan;
    margin-left:-100%;
    position: relative;
    left: -200px;
}
main>aside:last-of-type{
    background-color: lightskyblue;
    margin-left: -200px;
    position: relative;
    left:200px;
}
main>article,
main>aside:first-of-type,
main>aside:last-of-type{
    float: left;
}

流程与布局思路：
先用HTML写出框架的主体内容：包含头部、主体、页脚信息；主体内容布局时，分为左侧导航栏、中间活动主体区及右侧内容区，为使显示屏幕向左右缩窄时，先从右边屏幕内容开始部分显示，布局时，将中间区域写在左、右侧边栏前；框架布局好后，用css布局来让框架内容按照圣杯布局的样式展现；写css时，按照头部、页脚、主体内容的顺序设置，其中主体部分的布局思路为，左右两侧边栏可以看成是两个盒子，为左右两侧设置padding值，挤出中间部分，为让盒子的大小自适应设置的框架大小，为盒子设置box-sizing，再分别设置中间、左右侧的边框、颜色、宽高、位置，在设置左右侧边栏的位置时，用相对位置设置，最后设置主体区浮动，并让其在屏幕框架内，设置overflow属性，并在css设置开头设置body的宽度，这样保证布局在缩放的情况下正常显示。

Correcting teacher：

天蓬老师

Correction status：qualified

Teacher's comments：你怎么才写到这, 是不是一直没有写过作业?

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常用的HTML5标签（第二章1029作业）-PHP培训九期线上班

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