固定的行和列HTML表格的水平，垂直滚动，只有CSS

<style>
  .table-container {
    width: 500px;
    height: 300px;
    overflow: auto;
  }

  table {
    width: 100%;
  }

  thead {
    display: block;
    position: sticky;
    top: 0;
    background-color: #f5f5f5;
  }

  tbody {
    display: block;
    overflow-y: scroll;
    height: 250px;
  }
</style>

<div class="table-container">
  <table>
    <thead>
      <tr>
        <th>列1</th>
        <th>列2</th>
        <th>列3</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td>行1列1</td>
        <td>行1列2</td>
        <td>行1列3</td>
      </tr>
      <tr>
        <td>行2列1</td>
        <td>行2列2</td>
        <td>行2列3</td>
      </tr>
      <!-- 更多行... -->
    </tbody>
  </table>
</div>