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html的常用标签说明和使用-2019年9月1日
黄冠人的博客
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904 people have browsed it

1,如何理解标签,元素,属性?

标签是一种标记,也是一种特殊的约定,按照这个约定你,给文本打上标记后,浏览器按照标记的的约定给你显示你想要的效果或者东西,这个标记就是标签,这个效果就是元素,两者存在对等的关系,比如因为我需要图片这个元素,所以要码入<img src="">标签,也正是因为有这个标签,网页才会存在图片这个元素,属性是对标签或元素的一种描述或说明,比如<img/>标签中的src属性,就是一个和好的说明,正是有了这个src属性的不同,同为<img/>标签才能显示不同的图片;

2,列表有几种?如何定义?

课程中学习列表有3种分别为,无序列表 <ul></ul>   有序列表<ol></ol>  定义列表<dl></dl>

无序列表:没有排定顺序直接显示列表内容

有序列表:会在列表项内容前自动添加序号,数字或者字母均可

定义列表:与上两个列表有所不同在<dl></dl>标签内通过内嵌<dt>头信息<dt>与<dd>内容</dd>来加载列表内容

实例

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>定义列表</title>
</head>
<body>
    <dl>
<dt><h3>定义列表</h3></dt>
<dd>可以定义头和详细内容解释的列表</dd>

    </dl>
</body>
</html>

运行实例 »

dl的使用.png

点击 "运行实例" 按钮查看在线实例

3.列表与表格的关系,什么情况下使用什么?

列表就是单列多行的表格,在只有一种数据类型的时候就可以使用列表标签,如导航,表格是丰富的由多个列表组成,可以保存展示多种多样的数据,具体通过行列来定位数据。

4,实例代码

实例

<!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>列表与表格的使用</title>
</head>

<body>
    <h3>2019年9月第一周个人工作计划</h3>
    <ul>
        <li>头像
            <img src="https://img.php.cn/upload/avatar/000/000/164/59190898474f6485.png" alt="头像图片" height="100">
        </li>
        <li>姓名:Mr·HGR</li>
        <li>部门:行政中心</li>
        <li>职务:助理总监</li>
    </ul>
    <dl>
        <dt><h4>9月2日 星期一工作安排</h4></dt>
        <dd>
            <ol>
                <li>公司全体早会</li>
                <li>行政部例会</li>
                <li>晋升员工面谈</li>
            </ol>
            <dd>
                <dt><h4>9月3日 星期二工作安排</h4></dt>
                <dd>
                    <table border="1" width="460" cellspacing="0">
                        <caption>
                            <h3>行政部采购单审批</h3>
                        </caption>
                        <thead>
                            <tr bgcolor="yellow">
                                <th>编号</th>
                                <th>***项目</th>
                                <th>单价(元)</th>
                                <th>数量</th>
                                <th>小计(元)</th>
                                <th>同意签字</th>
                            </tr>
                        </thead>
                        <tr align="center">
                            <td>1</td>
                            <td>A4打印纸</td>
                            <td>20</td>
                            <td>6</td>
                            <td>120</td>
                            <td rowspan="5"></td>
                        </tr>
                        <tr align="center">
                            <td>1</td>
                            <td>A4打印纸</td>
                            <td>20</td>
                            <td>6</td>
                            <td>120</td>
                        </tr>
                        <tr align="center">
                            <td>2</td>
                            <td>VIP礼品袋</td>
                            <td>2</td>
                            <td>1000</td>
                            <td>2000</td>
                        </tr>
                        <tr align="center">
                            <td>3</td>
                            <td>多功能打印机</td>
                            <td>2400</td>
                            <td>1</td>
                            <td>2400</td>
                        </tr>
                        <tr align="center">
                            <td colspan="4" align="right">合计:</td>
                            <td>4520</td>
                        </tr>
                    </table>
                    <dd>
                        <dt><h4>9月4日 星期三工作安排</h4></dt>
                        <dd>
                            <ol>
                                <li>面试会场布置</li>
                                <li>现场招聘会</li>
                                <li>留中简历讨论</li>
                            </ol>
                            <dd>
                                <dt><h4>9月5日 星期四工作安排</h4></dt>
                                <dd>
                                    <p>通知以下人员进行入职</p>

                                    <table border="1" width="500" cellspacing="0">
                                        <caption>
                                            <h3>可入职人员通知名单</h3>
                                        </caption>
                                        <thead align="center">
                                            <tr bgcolor="green">
                                                <th>编号</th>
                                                <th>姓名</th>
                                                <th>性别</th>
                                                <th>***</th>
                                                <th>入职时间</th>
                                                <th>入职部门</th>
                                                <th>带新人员</th>
                                            </tr>
                                        </thead>
                                        <tr align="center">
                                            <td>1</td>
                                            <td>张明</td>
                                            <td>男</td>
                                            <td>159*****556</td>
                                            <td>2019年9月6日</td>
                                            <td>行政部</td>
                                            <td rowspan="3">黄悦</td>
                                        </tr>
                                        <tr align="center">
                                            <td>2</td>
                                            <td>李明明</td>
                                            <td>女</td>
                                            <td>181*****533</td>
                                            <td>2019年9月6日</td>
                                            <td>行政部</td>

                                        </tr>
                                        <tr align="center">
                                            <td>3</td>
                                            <td>黄强</td>
                                            <td>男</td>
                                            <td>189*****156</td>
                                            <td>2019年9月6日</td>
                                            <td>行政部</td>

                                        </tr>
                                        <tr align="center">
                                            <td>4</td>
                                            <td>陈凡凡</td>
                                            <td>男</td>
                                            <td>179*****311</td>
                                            <td>2019年9月16日</td>
                                            <td>销售部</td>
                                            <td rowspan="2">张强</td>
                                        </tr>
                                        <tr align="center">
                                            <td>5</td>
                                            <td>李依依</td>
                                            <td>女</td>
                                            <td>131*****941</td>
                                            <td>2019年9月16日</td>
                                            <td>销售部</td>

                                        </tr>
                                    </table>


                                    <dd>
                                        <dt><h4>9月6日 星期五工作安排</h4></dt>
                                        <dd>
                                            <p>协助新入职员工完成公司人事系统注册</p>
                                            <h4>           入职人事系统注册</h4>
                                            <form action="127.0.0.1" method="POST">
                                                <p>
                                                    <label for="username">姓名:</label>
                                                    <input type="text" id="username" name="username" placeholder="请输入员工姓名">
                                                </p>
                                                <p>
                                                    <label for="password">密码:</label>
                                                    <input type="password" id="password" name="password" placeholder="请输入密码">
                                                </p>
                                                <p>
                                                    <label for="password2">确认密码:</label>
                                                    <input type="password" id="password2" name="password2" placeholder="请输入一次密码">
                                                </p>
                                                <p>
                                                    <label for="UID">***号码:</label>
                                                    <input type="text" id="UID" name="UID" placeholder="请输入***号码">
                                                </p>
                                                <p>
                                                    <label for="sex">性别:</label>
                                                    <input type="radio" id="male" name="sex" checked>
                                                    <label for="male">男</label>
                                                    <input type="radio" id="female" name="sex">
                                                    <label for="female">女</label>
                                                </p>
                                                <p>
                                                    <label for="department">入职部门:</label>
                                                    <select name="department" id="department">
                                                        <option value="0">行政部</option>
                                                        <option value="1" selected>销售部</option>
                                                        <option value="2">客服部</option>

                                                    </select>
                                                </p>
                                                <p>
                                                    <label for="***">带新人员:</label>
                                                    <select name="***" id="***">
                                                        <option value="0" selected>请选择</option>
                                                        <optgroup label="行政部"></optgroup>
                                                        <option value="6">黄悦</option>
                                                        <option value="1" >陈江峡</option>
                                                      
                                                        <optgroup label="销售部"></optgroup>
                                                        <option value="2">张强</option>
                                                        <option value="3" >李胜</option>
                                                      
                                                        <optgroup label="客服部"></optgroup>
                                                        <option value="4">张倩</option>
                                                        <option value="5" >何晓华</option>
                                                      

                                                    </select>
                                                </p>
                                                <p>
                                                    <label for="indate">劳务合同签订年限</label>
                                                    <input type="number" name="indate" id="indate" min="1" max="5" value="2">
                                                </p>
                                                <P>
                                                    <label for="">入职待遇(多选)</label>
                                                    <input type="checkbox" name="welfare[]" id="welfare0" value="0" checked>
                                                    <label for="welfare0">五险</label>
                                                    <input type="checkbox" name="welfare[]" id="welfare1" value="1">
                                                    <label for="welfare1">公积金</label>
                                                    <input type="checkbox" name="welfare[]" id="welfare2" value="2">
                                                    <label for="welfare2">包吃</label>
                                                    <input type="checkbox" name="welfare[]" id="welfare3" value="3">
                                                    <label for="welfare3">包住</label>
                                                    <input type="checkbox" name="welfare[]" id="welfare4" value="4">
                                                    <label for="welfare3">交通补贴</label>
                                                </P>
                                                <p>
                                                    <button type="submit">提交</button>
                                                    <button type="reset">重置</button>
                                                </p>




                                            </form>

                                            <dd>
                                                <dt><h4>9月7日 星期六工作安排</h4></dt>
                                                <dd>休息
                                                    <dd>
                                                        <dt><h4>9月8日 星期日工作安排</h4></dt>
                                                        <dd>休息
                                                            <dd>
    </dl>



</body>

</html>

运行实例 »

点击 "运行实例" 按钮查看在线实例

1.png2.png3.png4.png

5.学习总结

展示数据的时候使用列表,表格等标签,如查询购物清单,库存登记的时候

在需要收集信息的时候使用表单控件,如注册,选择查询时间等,合理的利用各种标签能降低开发工作效率,同时也可以给用户更好的体验。

Correction status:qualified

Teacher's comments:作业中还配了一张图片, 逼格瞬间提升了有木有, 加油
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