JAVA高级面试进阶训练营视频教程

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<table border="1" style="width:100%;border-collapse:collapse;">
            <tr>
                <td width="100px" rowspan="3">title</td>
                <td colspan="4">name1</td>
                <td colspan="23">name2</td>
                <td colspan="8">name3</td>
                <td colspan="8">name4</td>
                <td></td>
                <td></td>
                <td></td>
                <td></td>
                <td></td>
            </tr>
            <tr>
                <td colspan="4">name1</td>
                <td colspan="23">name2</td>
                <td colspan="8">name3</td>
                <td colspan="8">name4</td>
                <td></td>
                <td></td>
                <td></td>
                <td></td>
                <td></td>
            </tr>
            <tr>
                <td colspan="2" >0</td>
                <td colspan="2" >1</td>
                <td colspan="2" >2</td>
                <td colspan="2" >3</td>
                <td colspan="2" >4</td>
                <td colspan="2" >5</td>
                <td colspan="2" >6</td>
                <td colspan="2" >7</td>
                <td colspan="2" >8</td>
                <td colspan="2" >9</td>
                <td colspan="2" >10</td>
                <td colspan="2" >11</td>
                <td colspan="2" >0</td>
                <td colspan="2" >1</td>
                <td colspan="2" >2</td>
                <td colspan="2" >3</td>
                <td colspan="2" >4</td>
                <td colspan="2" >5</td>
                <td colspan="2" >6</td>
                <td colspan="2" >7</td>
                <td colspan="2" >8</td>
                <td colspan="2" >9</td>
                <td colspan="2" >10</td>
                <td colspan="2" >11</td>
            </tr>
        </table>

在chrome 62中显示效果正常（name3宽度 == name4宽度），如图：

 

在firefox 57.2中显示异常，name4（占4格）和name3（占3.5格）列宽不一致，如图

 

 解决方法，给table添加'table-layout=fixed'属性

<table border="1" style="table-layout:fixed;width:100%;border-collapse:collapse;">
            <tr>
                <td width="100px" rowspan="3">title</td>
                <td colspan="4">name1</td>
                <td colspan="23">name2</td>
                <td colspan="8">name3</td>
                <td colspan="8">name4</td>
                <td></td>
                <td></td>
                <td></td>
                <td></td>
                <td></td>
            </tr>
            <tr>
                <td colspan="4">name1</td>
                <td colspan="23">name2</td>
                <td colspan="8">name3</td>
                <td colspan="8">name4</td>
                <td></td>
                <td></td>
                <td></td>
                <td></td>
                <td></td>
            </tr>
            <tr>
                <td colspan="2" >0</td>
                <td colspan="2" >1</td>
                <td colspan="2" >2</td>
                <td colspan="2" >3</td>
                <td colspan="2" >4</td>
                <td colspan="2" >5</td>
                <td colspan="2" >6</td>
                <td colspan="2" >7</td>
                <td colspan="2" >8</td>
                <td colspan="2" >9</td>
                <td colspan="2" >10</td>
                <td colspan="2" >11</td>
                <td colspan="2" >0</td>
                <td colspan="2" >1</td>
                <td colspan="2" >2</td>
                <td colspan="2" >3</td>
                <td colspan="2" >4</td>
                <td colspan="2" >5</td>
                <td colspan="2" >6</td>
                <td colspan="2" >7</td>
                <td colspan="2" >8</td>
                <td colspan="2" >9</td>
                <td colspan="2" >10</td>
                <td colspan="2" >11</td>
            </tr>
        </table>

 

 chrome和firefox显示效果相同