1. <body>
    2. <!--clospan属性设置跨列-->
    3. <!--rowspan属性设置跨行-->
    4. <table border="1" align="center" width="200" height="200" cellspacing="0">
    6.   <tr>
    7.     <th colspan="2">1.1</th>
    8. <!--    <th>1.2</th>-->
    9.     <th>1.3</th>
    10.     <th>1.4</th>
    11.     <th>1.5</th>
    12.   </tr>
    14.   <tr align="center">
    15.     <td>2.1</td>
    16.     <td><b>2.2</b></td>
    17.     <td>2.3</td>
    18.     <td>2.4</td>
    19.     <td>2.5</td>
    20.   </tr>
    22.   <tr align="center">
    23.     <td>3.1</td>
    24.     <td>3.2</td>
    25.     <td><b>3.3</b></td>
    26.     <td><b>3.4</b></td>
    27.     <td><b>3.5</b></td>
    28.   </tr>
    30.   <tr align="center">
    31.     <td colspan="2" rowspan="2">4.1</td>
    32. <!--    <td>4.2</td>-->
    33.     <td><b>4.3</b></td>
    34.     <td><b>4.4</b></td>
    35.     <td rowspan="2"><b>4.5</b></td>
    36.   </tr>
    38.   <tr align="center">
    39. <!--    <td>5.1</td>-->
    40. <!--    <td>5.2</td>-->
    41.     <td><b>5.3</b></td>
    42.     <td><b>5.4</b></td>
    43. <!--    <td><b>5.5</b></td>-->
    44.   </tr>
    46. </table>
    49. </body>

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