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CSS Grid - 自动高度行，根据内容大小调整尺寸

csscss-grid
89

我有两个嵌套在一个网格中的网格。不幸的是，右侧嵌套网格.grid-3设置行的高度，以使左右两个网格具有相同的高度，多余的空间由class为.right的div共享。如何设置右侧嵌套网格的行，以调整到内容的大小，使它们与左侧嵌套行的高度相同？

div {
  border: 1px dotted black;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: auto;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-auto-rows: auto;
}

.left {
  background-color: red;
}
 
.right {
  background-color: green;
}
<div class="grid-2">
      <div class="grid-2">
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
     </div>
     <div class="grid-3">
         <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
     </div>
</div>

3个回答
113

你可以尝试使用minmax(min-content, max-content)参考链接

div {
  border: 1px dotted black;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: minmax(min-content, max-content);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-auto-rows: minmax(min-content, max-content);
}

.left {
  background-color: red;
}
 
.right {
  background-color: green;
}
<div class="grid-2">
      <div class="grid-2">
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
     </div>
     <div class="grid-3">
         <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
     </div>
</div>

您还可以仅使用max-content或min-content

div {
  border: 1px dotted black;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: max-content; /* OR min-content*/
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-auto-rows: max-content; /* OR min-content*/
}

.left {
  background-color: red;
}
 
.right {
  background-color: green;
}
<div class="grid-2">
      <div class="grid-2">
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
     </div>
     <div class="grid-3">
         <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
     </div>
</div>

2
请注意，grid-3将在此处占据全部父元素的高度。如果您希望grid-3的高度适合内容，则可以使用我的答案。 - Vadim Ovchinnikov
68

默认情况下，网格项目会拉伸到所有网格单元的区域。因此，如果您想使网格的高度适合内容，则有以下选项：

默认情况下，网格项目会拉伸到所有网格单元的区域。因此，如果您想使网格的高度适合内容，则有以下选项：

  • Set alignment for all items using align-items for grid container (default value is align-items: stretch). So just set align-items: start for grid-2. Demo:

    div {
  border: 1px dotted black;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: start;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
}

.left {
  background-color: red;
}
 
.right {
  background-color: green;
}
    <div class="grid-2">
      <div class="grid-2">
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
     </div>
     <div class="grid-3">
         <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
     </div>
</div>

  • Set alignment for grid items individually using align-self (default value is align-self: stretch). So just set align-self: start for grid-3. Demo:

    div {
  border: 1px dotted black;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-self: start;
}

.left {
  background-color: red;
}
 
.right {
  background-color: green;
}
    <div class="grid-2">
      <div class="grid-2">
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
     </div>
     <div class="grid-3">
         <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
     </div>
</div>

  • Set alignment for grid items individually using margin property with auto values. Auto margins for grid cell take all available space in any direction. So just set margin-bottom: auto for grid-3. Demo:

    div {
  border: 1px dotted black;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  margin-bottom: auto;
}

.left {
  background-color: red;
}
 
.right {
  background-color: green;
}
    <div class="grid-2">
      <div class="grid-2">
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
        <div class="left">L</div>
     </div>
     <div class="grid-3">
         <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
        <div class="right">R</div>
     </div>
</div>

如果您想让正确的网格占用所有父级垂直空间，但使其单元格适合内容，请使用这个答案。

你提出的解决方案很好，但接着又会有一个问题：由于页边距而创建了额外的空白区域，无法填充内容。我如何告诉网格系统我只需要列中的元素？也许我应该在这里使用 flex...谢谢。 - LucioB
@LucioB 抱歉，我不理解你的问题。或许最好是提出一个单独的问题，包含所有细节和示例，并在评论中将链接贴给我。 - Vadim Ovchinnikov
根据我所看到的，LucioB 的意思是使用 align-items: start 时，网格内容的底部以内容结束而不是网格单元格结束为准，因此下面的下一行会有额外的大小间隙。 - agm1984
每一个在Stackoverflow上的评论/回答都给了我关于编程的强大知识。谢谢。 - Babaktrad
11

你还可以尝试使用 grid-auto-rows: fit-content(1em);。当然，你可以根据需要使用任何大小。我也尝试了Temani描述的方法 (minmax(min-content, max-content))，当渲染我的HTML时，结果是相同的。

根据Elad Schechter - Medium的说法：

fit-content函数接受一个参数，即最大值。... fit-content()函数类似于使用minmax()函数，其中最小值为0。一个关键区别：minmax()更有可能占用允许的最大空间，而fit-content不会占用比必要更多的空间。

你的需求将决定是否比使用minmax更适合使用fit-content，反之亦然。

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