固定可滚动表的标题 [英] To pin the caption of the scrollable table

问题描述

这是带有固定行和列的表.我也试图通过固定标题来改善它. IE.滚动表格时，标题不应滚动-应该永久可见.有可能吗?

Here is a table with pinned row and column. I'm trying to improve it by pinning the caption as well. I.e. when you scroll the table, the caption should not be scrolled - it should be visible permanently. Is it possible?

我已经尝试过caption-side: top-outside，但是:

• top-outside仅在Firefox中有效.相反，我的目标浏览器是Chrome.
• 似乎根本无法解决任务.

• top-outside works in Firefox only. Instead, my target browser is Chrome.
• It seems it simply don't solve the task.

.wrapper {
    height: 200px;
    overflow-x: auto;
    width: 500px;
}

caption, th, p {
    font-size: x-large;
}

caption {
    text-align: left;
}

th {
    background: rgba(255, 225, 225);
    position: sticky;
    top: 0;
}

th:first-of-type, td:first-of-type {
    left: 0;
    position: sticky;
}

th:first-of-type {
    z-index: 2;
}

td:first-of-type {
    background: rgba(225, 255, 225);
    z-index: 1;
}

th, td p {
    white-space: nowrap;
}

td p {
    margin-top: 0;
}

td p:last-child {
    margin-bottom: 0;
}

th, td {
    border-bottom: 1px dashed red;
}

<div class="wrapper">
    <table>
        <caption>Caption</caption>
        <thead>
            <tr>
                <th>Column 1 aaa aaa aaa</th>
                <th>Column 2 bbb bbb bbb</th>
                <th>Column 3 ccc ccc ccc</th>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td><p>Column 1 aaa aaa aaa</p></td>
                <td><p>Column 2 bbb bbb bbb</p><p>Column 2 bbb bbb bbb</p></td>
                <td><p>Column 3 ccc ccc ccc</p></td>
            </tr>
            <tr>
                <td><p>Column 1 aaa aaa aaa</p></td>
                <td><p>Column 2 bbb bbb bbb</p></td>
                <td><p>Column 3 ccc ccc ccc</p></td>
            </tr>
            <tr>
                <td><p>Column 1 aaa aaa aaa</p></td>
                <td><p>Column 2 bbb bbb bbb</p></td>
                <td><p>Column 3 ccc ccc ccc</p></td>
            </tr>
            <tr>
                <td><p>Column 1 aaa aaa aaa</p></td>
                <td><p>Column 2 bbb bbb bbb</p></td>
                <td><p>Column 3 ccc ccc ccc</p></td>
            </tr>
            <tr>
                <td><p>Column 1 aaa aaa aaa</p></td>
                <td><p>Column 2 bbb bbb bbb</p></td>
                <td><p>Column 3 ccc ccc ccc</p></td>
            </tr>
        </tbody>
    </table>
</div>

推荐答案

.wrapper {
    height: 200px;
    overflow-x: auto;
    width: 500px;
    margin-top: 30px;
}

table {
    margin-bottom: 0;
}

caption, th, p {
    font-size: x-large;
}

caption {
    text-align: left;
    position: absolute;
    z-index: 99;
    margin-top: -68px;
    display: table-header-group;
}

th {
    background: rgba(255, 225, 225);
    position: sticky;
    top: 0;
}

th:first-of-type, td:first-of-type {
    left: 0;
    position: sticky;
}

th:first-of-type {
    z-index: 2;
}

td:first-of-type {
    background: rgba(225, 255, 225);
    z-index: 1;
}

th, td p {
    white-space: nowrap;
}

td p {
    margin-top: 0;
}

td p:last-child {
    margin-bottom: 0;
}

th, td {
    border-bottom: 1px dashed red;
}

<p>paragraph 1</p>
<p>paragraph 2</p>
<p>paragraph 3</p>
<p>paragraph 4</p>
<p>paragraph 5</p>
<div class="outer">
<div class="wrapper">
    <table>
        <caption>Caption</caption>
        <thead>
            <tr>
                <th>Column 1 aaa aaa aaa</th>
                <th>Column 2 bbb bbb bbb</th>
                <th>Column 3 ccc ccc ccc</th>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td><p>Column 1 aaa aaa aaa</p></td>
                <td><p>Column 2 bbb bbb bbb</p><p>Column 2 bbb bbb bbb</p></td>
                <td><p>Column 3 ccc ccc ccc</p></td>
            </tr>
            <tr>
                <td><p>Column 1 aaa aaa aaa</p></td>
                <td><p>Column 2 bbb bbb bbb</p></td>
                <td><p>Column 3 ccc ccc ccc</p></td>
            </tr>
            <tr>
                <td><p>Column 1 aaa aaa aaa</p></td>
                <td><p>Column 2 bbb bbb bbb</p></td>
                <td><p>Column 3 ccc ccc ccc</p></td>
            </tr>
            <tr>
                <td><p>Column 1 aaa aaa aaa</p></td>
                <td><p>Column 2 bbb bbb bbb</p></td>
                <td><p>Column 3 ccc ccc ccc</p></td>
            </tr>
            <tr>
                <td><p>Column 1 aaa aaa aaa</p></td>
                <td><p>Column 2 bbb bbb bbb</p></td>
                <td><p>Column 3 ccc ccc ccc</p></td>
            </tr>
        </tbody>
        
    </table>
</div>
</div>

这就是您想要实现的(在Chrome和Safari中可以使用) 现在可以了

This is what you want to achieve (works in Chrome and safari) Now it is working

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