所有六个左右的CSS解决方案都假设一个短表。这些代码应该用几百行的代码进行测试。

你应该尝试使用"display:block;"到tbody，因为现在它是内联块，为了设置高度，元素应该是"block"

table { overflow-y: auto; height: 50vh; /* !!! HEIGHT MUST BE IN [ vh ] !!! */ } thead th { background-color: white; position: sticky; top: 0; } <table> <thead> <tr><th>TH 1</th><th>TH 2</th></tr> </thead> <tbody> <tr><td>A1</td><td>A2</td></tr> <tr><td>B1</td><td>B2</td></tr> <tr><td>C1</td><td>C2</td></tr> <tr><td>D1</td><td>D2</td></tr> <tr><td>E1</td><td>E2</td></tr> <tr><td>F1</td><td>F2</td></tr> <tr><td>G1</td><td>G2</td></tr> <tr><td>H1</td><td>H2</td></tr> <tr><td>I1</td><td>I2</td></tr> <tr><td>J1</td><td>J2</td></tr> <tr><td>K1</td><td>K2</td></tr> <tr><td>L1</td><td>L2</td></tr> <tr><td>M1</td><td>M2</td></tr> <tr><td>N1</td><td>N2</td></tr> <tr><td>O1</td><td>O2</td></tr> <tr><td>P1</td><td>P2</td></tr> <tr><td>Q1</td><td>Q2</td></tr> <tr><td>R1</td><td>R2</td></tr> <tr><td>S1</td><td>S2</td></tr> <tr><td>T1</td><td>T2</td></tr> <tr><td>U1</td><td>U2</td></tr> <tr><td>V1</td><td>V2</td></tr> <tr><td>W1</td><td>W2</td></tr> <tr><td>X1</td><td>X2</td></tr> <tr><td>Y1</td><td>Y2</td></tr> <tr><td>Z1</td><td>Z2</td></tr> </tbody> </table>

你不需要js。重要的是设置表格高度[vh]

刚发现一个很酷的解决方案使用网格! 这是我用过的，效果很好:

tbody tr, thead tr {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr; // or whatever division you wanna do
}

tbody {
  height: 300px; // or whatever height
  width: 100%;
  overflow-y: auto;
  display: block;
}

演示: https://codesandbox.io/s/table-with-inner-body-scroll-hggq7x

根据@Roko C. Buljan的回答，如果你尝试添加行跨度，当你滚动时，只有第一个th会被固定。

.tableFixHead { overflow: auto; height: 100px; } .tableFixHead thead th { position: sticky; top: 0; z-index: 1; } /* Just common table stuff. Really. */ table { border-collapse: collapse; width: 100%; } th, td { padding: 8px 16px; } th { background:#eee; } <div class="tableFixHead"> <table> <thead> <tr> <th rowspan="3">TH 1</th> <th>TH 2.1</th> <th>TH 3.1</th> </tr> <tr > <th>TH 2.2</th> <th>TH 3.2</th> </tr> <tr > <th>TH 2.3</th> <th>TH 3.3</th> </tr> </thead> <tbody> <tr><td>A1</td><td>A2</td><td>A3</td></tr> <tr><td>B1</td><td>B2</td><td>B3</td></tr> <tr><td>C1</td><td>C2</td><td>C3</td></tr> <tr><td>D1</td><td>D2</td><td>D3</td></tr> <tr><td>E1</td><td>E2</td><td>E3</td></tr> </tbody> </table> </div>

如果你想固定行跨度，你可以添加这行

.tableFixHead thead tr:nth-child(2) th {
    top: 34px; /* change the number according to your need  */
}

.tableFixHead thead tr:nth-child(3) th {
    top: 68px; /* change the number according to your need  */
}

作为示例，您可以检查这个片段

.tableFixHead { overflow: auto; height: 200px; } .tableFixHead thead th { position: sticky; top: 0; z-index: 1; } .tableFixHead thead tr:nth-child(2) th { top: 34px; /* change the number according to your need */ } .tableFixHead thead tr:nth-child(3) th { top: 68px; /* change the number according to your need */ } /* Just common table stuff. Really. */ table { border-collapse: collapse; width: 100%; } th, td { padding: 8px 16px; } th { background:#eee; } <div class="tableFixHead"> <table> <thead> <tr> <th rowspan="3">TH 1</th> <th>TH 2.1</th> <th>TH 3.1</th> </tr> <tr > <th>TH 2.2</th> <th>TH 3.2</th> </tr> <tr > <th>TH 2.3</th> <th>TH 3.3</th> </tr> </thead> <tbody> <tr><td>A1</td><td>A2</td><td>A3</td></tr> <tr><td>B1</td><td>B2</td><td>B3</td></tr> <tr><td>C1</td><td>C2</td><td>C3</td></tr> <tr><td>D1</td><td>D2</td><td>D3</td></tr> <tr><td>E1</td><td>E2</td><td>E3</td></tr> </tbody> </table> </div>

如果你用n -child(number)手动指定number，上面的代码段将正常工作

对于满高的表格(页面滚动，而不是表格)

注意:我移动整个<thead>…</ header >因为在我的例子中，我有两行(标题和过滤器)

使用JS (jQuery)

$( function() {

            let marginTop = 0; // Add margin if the page has a top nav-bar
            let $thead = $('.table-fixed-head').find('thead');
            let offset = $thead.first().offset().top - marginTop;
            let lastPos = 0;

            $(window).on('scroll', function () {

                if ( window.scrollY > offset )
                {
                    if ( lastPos === 0 )
                    {
                        // Add a class for styling
                        $thead.addClass('floating-header');
                    }

                    lastPos = window.scrollY - offset;
                    $thead.css('transform', 'translateY(' + ( lastPos ) + 'px)');
                }
                else if ( lastPos !== 0 )
                {
                    lastPos = 0;
                    $thead.removeClass('floating-header');
                    $thead.css('transform', 'translateY(' + 0 + 'px)');
                }
            });
});

CSS(仅用于样式)

 thead.floating-header>tr>th {
       background-color: #efefef;
 }

thead.floating-header>tr:last-child>th {
       border-bottom: 1px solid #aaa;
}