<html> <body> <table border="1"> <tr> <td rowspan="4">AAA</td><td>111</td><td>222</td><td>333</td> <!-- 列合并4个td --> </tr> <tr> <td>444</td><td>555</td><td>666</td> <!-- 列少一个td --> </tr> <tr> <td>777</td><td>888</td><td>999</td> <!-- 列少一个td --> </tr> <tr> <td>000</td><td>aaa</td><td>bbb</td> <!-- 列少一个td --> </tr> </table> <table border="1"> <tr> <td colspan="4">AAA</td> <!-- 行合并4个td --> </tr> <tr> <td>444</td><td>444</td><td>555</td><td>666</td> </tr> <tr> <td>444</td><td>777</td><td>888</td><td>999</td> </tr> <tr> <td>444</td><td>000</td><td>aaa</td><td>bbb</td> </tr> </table> </body> </html>