表格的基本语法
<table>...</table> - 定义表格
<tr> - 定义表行
<th> - 定义表头
<td> - 定义表元(表格的具体数据)
带边框的表格：
<table border>
<tr><th>Food</th><th>Drink</th><th>Sweet</th>
<tr><td>A</td><td>B</td><td>C</td>
</table>
不带边框的表格：
<table>
<tr><th>Food</th><th>Drink</th><th>Sweet</th>
<tr><td>A</td><td>B</td><td>C</td>
</table>
跨多行、多列的表元(Table Span)
跨多列的表元 <th colspan=#>
<table border>
<tr><th colspan=3> Morning Menu</th>
<tr><th>Food</th> <th>Drink</th> <th>Sweet</th>
<tr><td>A</td><td>B</td><td>C</td>
</table>
| Morning Menu |
| Food |
Drink |
Sweet |
| A |
B |
C |
跨多行的表元 <th rowspan=#>
<table border>
<tr><th rowspan=3> Morning Menu</th>
<th>Food</th> <td>A</td></tr>
<tr><th>Drink</th> <td>B</td></tr>
<tr><th>Sweet</th> <td>C</td></tr>
</table>
| Morning Menu |
Food |
A |
| Drink |
B |
| Sweet |
C |
表格尺寸设置
<table border=#>
边框尺寸设置：
<table border=10>
<tr><th>Food</th><th>Drink</th><th>Sweet</th>
<tr><td>A</td><td>B</td><td>C</td>
</table>
<table border width=# height=#>
表格尺寸设置：
<table border width=170 height=100>
<tr><th>Food</th><th>Drink</th><th>Sweet</th>
<tr><td>A</td><td>B</td><td>C</td>
</table>
<table border cellspacing=#>
表元间隙设置：
<table border cellspacing=10>
<tr><th>Food</th><th>Drink</th><th>Sweet</th>
<tr><td>A</td><td>B</td><td>C</td>
</table>
<table border cellpadding=#>
表元内部空白设置：
<table border cellpadding=10>
<tr><th>Food</th><th>Drink</th><th>Sweet</th>
<tr><td>A</td><td>B</td><td>C</td>
</table>
表格内文字的对齐/布局
<tr align=#>
<th align=#> #=left, center, right
<td align=#>
<table border width=160>
<tr>
<th>Food</th><th>Drink</th><th>Sweet</th>
<tr>
<td align=left>A</td>
<td align=center>B</td>
<td align=right>C</td>
</table>
<tr valign=#>
<th valign=#> #=top, middle, bottom, baseline
<td valign=#>
<table border height=100>
<tr>
<th>Food</th><th>Drink</th>
<th>Sweet</th><th>Other</th>
<tr>
<td valign=top>A</td>
<td valign=middle>B</td>
<td valign=bottom>C</td>
<td valign=baseline>D</td>
</table>
| Food |
Drink |
Sweet |
Other |
| A |
B |
C |
D |
表格在页面中的对齐/布局(Floating Table)
<table align=left>
<table align="left" border>
<tr><th>Food</th><th>Drink</th><th>Sweet</th>
<tr><td>A</td><td>B</td><td>C</td>
</table>
My favorites...<br> cookies, chocolates, and more.
My favorites...
cookies, chocolates, and more.
<table align=right>
My favorites...
cookies, chocolates, and more.
<table vspace=# hspace=#> #=space value 
<table align="left" border vspace=20 hspace=30>
<tr><th>Food</th><th>Drink</th><th>Sweet</th>
<tr><td>A</td><td>B</td><td>C</td>
</table>
My favorites...<br> cookies, chocolates, and more.
My favorites...
cookies, chocolates, and more.
表格的标题 
<caption align=#> ... </caption> #=left, center, right
<table border>
<caption align=center>Lunch</caption>
<tr><th>Food</th><th>Drink</th><th>Sweet</th>
<tr><td>A</td><td>B</td><td>C</td>
</table>
Lunch
| Food |
Drink |
Sweet |
| A |
B |
C |
<caption valign=#> ... </caption> #=top, bottom
valign=top is default.
<table border>
<caption valign=bottom>Lunch</caption>
<tr><th>Food</th><th>Drink</th><th>Sweet</th>
<tr><td>A</td><td>B</td><td>C</td>
</table>
Lunch
