console
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>课程表</title>
</head>
<body>
<table border="1">
<caption>课程表</caption>
<thead>
<tr>
<th>星期一</th>
<th>星期二</th>
<th>星期四</th>
<th>星期五</th>
</tr>
<tbody>
<tr>
<td>语文</td>
<td>语文</td>
<td>语文</td>
<td>语文</td>
</tr>
</tbody>
<tbody>
<tr>
<td>数学</td>
<td>数学</td>
<td>数学</td>
<td>数学</td>
</tr>
</tbody>
<tbody>
<tr>
<td>英语</td>
<td>英语</td>
<td>英语</td>
<td>英语</td>
</tr>
</tbody>
<tbody>
<tr>
<td>生物</td>
<td>生物</td>
<td>生物</td>
<td>生物</td>
</tr>
</tbody>
</thead>
</table>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>课程表</title>
</head>
<body>
<table border="1" width="500" bgcolor="pink" cellpadding="10" cellspacing="5" frame="vsides" rules="rows">
<caption>课程表</caption>
<tr>
<th>星期一</th>
<th>星期二</th>
<th>星期四</th>
<th>星期五</th>
</tr>
<tr>
<td>语文</td>
<td>数学</td>
<td>课间活动</td>
<td>英语</td>
<td>生物</td>
</tr>
<tr>
<td>语文</td>
<td>数学</td>
<td>课间活动</td>
<td>英语</td>
<td>生物</td>
</tr>
<tr>
<td>语文</td>
<td>数学</td>
<td>课间活动</td>
<td>英语</td>
<td>生物</td>
</tr>
<tr>
<td>语文</td>
<td>数学</td>
<td>课间活动</td>
<td>英语</td>
<td>生物</td>
</tr>
</table>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>课程表</title>
</head>
<body>
<table border="1" width="500" cellpadding="10" cellspacing="5" frame="vsides" rules="rows">
<caption>课程表</caption>
<tr bgcolor="pink" align="center">
<th>星期一</th>
<th>星期二</th>
<th>星期四</th>
<th>星期五</th>
</tr>
<tr align="center">
<td>语文</td>
<td>数学</td>
<td>英语</td>
<td>生物</td>
</tr>
<tr align="center">
<td bgcolor="pink">语文</td>
<td>数学</td>
<td>英语</td>
<td>生物</td>
</tr>
<tr align="center">
<td>课间活动</td>
<td bgcolor="pink">课间活动</td>
<td>课间活动</td>
<td>课间活动</td>
</tr>
<tr align="center">
<td>语文</td>
<td>数学</td>
<td bgcolor="pink">英语</td>
<td>生物</td>
</tr>
<tr align="center">
<td>语文</td>
<td>数学</td>
<td>英语</td>
<td bgcolor="pink">生物</td>
</tr>
</table>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>课程表</title>
</head>
<body>
<table border="1" width="500" cellpadding="10" cellspacing="5" frame="box" rules="all">
<caption>课程表</caption>
<tr bgcolor="pink">
<th colspan="1" align="center">星期一</th>
<th>星期二</th>
<th>星期三</th>
<th>星期四</th>
<th>星期五</th>
</tr>
<tr align="center">
<td rowspan="2">语文</td>
<td>数学</td>
<td>化学</td>
<td>英语</td>
<td>生物</td>
</tr>
<tr align="center">
<td>数学</td>
<td>化学</td>
<td>英语</td>
<td>生物</td>
</tr>
<tr align="center">
<td colspan="6">课间活动</td>
>
</tr>
<tr align="center">
<td rowspan="2">语文</td>
<td>数学</td>
<td>化学</td>
<td>英语</td>
<td>生物</td>
</tr>
<tr align="center">
<td>数学</td>
<td>化学</td>
<td>英语</td>
<td>生物</td>
</tr>
</table>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>课程表</title>
</head>
<body>
<table border="1" width="500" cellpadding="10" cellspacing="5" frame="box" rules="all">
<caption>课程表</caption>
<tr bgcolor="pink">
<th colspan="1" align="center">星期一</th>
<th>星期二</th>
<th>星期三</th>
<th>星期四</th>
<th>星期五</th>
</tr>
<tr align="center">
<td rowspan="2">语文</td>
<td>数学</td>
<td>化学</td>
<td>英语</td>
<td>生物</td>
</tr>
<tr align="center">
<td>数学</td>
<td>化学</td>
<td>英语</td>
<td>生物</td>
</tr>
<tr align="center">
<td colspan="6">课间活动</td>
>
</tr>
<tr align="center">
<td rowspan="2">
<table frame="box" rules="all">
<tr>
<td>前半节</td>
<td>后半节</td>
</tr>
<tr>
<td>诗词</td>
<td>古文</td>
</tr>
</table>
</td>
<td>数学</td>
<td>化学</td>
<td>英语</td>
<td>生物</td>
</tr>
<tr align="center">
<td>数学</td>
<td>化学</td>
<td>英语</td>
<td>生物</td>
</tr>
</table>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<form>
性别： 男
<input type="radio" name="sex" value="man"> 女
<input type="radio" name="sex" value="woman"></br>
我最喜欢的水果：</br>
<input type="checkbox" name- "dx1" velus="apple">苹果</br>
<input type="checkbox" name- "dx1" velus="pear">梨子</br>
<input type="checkbox" name- "dx1" velus="peach">桃子</br>
</form>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>注册信息</title>
</head>
<body>
<form>
<center>
<h>注册信息</h>
</center>
<hr color="#336699">
<table bgcolor="#f2f2f2" width="600px" align="center">
<tr>
<td>用户名：
</td>
<td><input type="text" placeholder="请输入用户名" size="25" maxlength="6">
</td>
</tr>
<tr>
<td>密码：
</td>
<td><input type="password" placeholder="请输入密码" size="25" maxlength="6">
</td>
</tr>
<tr>
<td>确认密码：
</td>
<td><input type="text" placeholder="请确认密码" size="25" maxlength="6">
</td>
</tr>
<tr>
<td>上传照片：
</td>
<td><input type="submit" value="选择文件" </td>未选择任何文件
</td>
</tr>
</table>
</form>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<form>
下拉菜单：<br>
<select>
<option value="xm">熊猫��</option>
<option value="yz">野猪��</option>
<option value="hz">猴子��</option>
<option value="dx">大象��</option>
<option value="s">蛇��</option>
<option value="s">马��</option>
<option value="z">猪��</option>
</select>
<br>列表：<br>
<select multiple size="3">
<option value="apple">苹果��</option>
<option value="bannana">香蕉��</option>
<option value="pear">梨子��</option>
<option value="watermelon">西瓜��</option>
<option value="Hamimelon">哈密瓜��</option>
</select>
</form>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<form>
请选择：<br>
<select name="请选择：">
<optgroup label="水果">
<option value="apple">苹果</option>
<option value="kiwi">猕猴桃</option>
<option value="apricot">杏子</option>
</optgroup>
<optgroup label="蔬菜">
<option value="tomato">西红柿</option>
<option value="chinese cabbage">白菜</option>
<option value="longleaf lettuce">油麦菜</option>
</optgroup>
</select>
</form>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<form>
请做自我介绍:<br>
<textarea name="textarea" rows="3" cols="20" placeholder="请在此处介绍自己...">请在此处介绍自己...
</textarea>
</form>
</body>
</html>