html解决table设置宽度无效的问题

如果对table设置table-layer:fixed样式后，发现表格中有一行合并过，其它没有合并的行的列宽会平均化，对列宽的设置会失效。

解决方法：

在tbody前面加

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<col style="width: 100px;"/>
<col>
<col style="width: 100px;"/>
<col style="width: 100px;"/>
<col style="width: 100px;"/>
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.detail {
    padding-bottom: 50px;
    margin-top: 80px;
}
 
.detail_table {
    table-layout:fixed;/*列宽由表格宽度和列宽度设定。*/
    margin: auto;/*table居中*/
    text-align: center;
    border: 1px solid #804040;
    border-collapse: collapse;
}
 
.detail_table th {
    padding: 26px;;
}
 
.detail_table td {
    border: 1px solid #804040;
    padding-top: 16px;
    padding-bottom: 16px;
}
 
.special {
    text-align: left;
    padding-left: 20px;
}
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<div class="detail">
 
    <table class="detail_table">
 
        <thead>
        <th colspan="5">选择的选项明细</th>
        </thead>
        <!--写的话就按照你写的宽度，@ www.xuepai.net但是如果你写的宽度占不满table它会按照你给的尺寸的比例平分至每个td-->
        <!--现在这么写就是四列是100px,没给数据的那一列占剩下的全部-->
        <col style="width: 100px;"/>
        <col>
        <col style="width: 100px;"/>
        <col style="width: 100px;"/>
        <col style="width: 100px;"/>
 
        <tbody>
 
        <tr>
            <td>
                序号
            </td>
            <td>
                症状
            </td>
            <td>
                符合
            </td>
            <td>
                不符合
            </td>
            <td>
                不确定
            </td>
        </tr>
 
        <?php $i = 1; ?>
 
        <?php foreach ($test as $item): ?>
            <!--拿到选择项@ www.haoshilao.net-->
            <?php $temp = $this->session->userdata('b' . $i) ?>
 
            <tr>
 
                <td>
                    <?php echo $i; ?>
                </td>
 
                <td>
                    <?php echo $item; ?>
                </td>
 
                <td>
                    <?php if ($temp == 1): ?>√<?php endif ?>
                </td>
                <td>
                    <?php if ($temp == 2): ?>√<?php endif ?>
                </td>
 
                <td>
                    <?php if ($temp == 3): ?>√<?php endif ?>
                </td>
 
            </tr>
 
            <?php $i++; ?>
 
        <?php endforeach; ?>
 
        </tbody>
 
    </table>
 
</div>

 

posted @ 2026-01-06 21:15  zxcva  阅读(15)  评论(0)    收藏  举报