CSS网格问题与背景和包装 [英] css grid problem with background and wrapping

问题描述

我有一个网格，我希望它能像它那样工作，除了只有1或2个单元格时，我希望它能够自动调整大小，而不是由3个组成的集合，而最后一个保留其单元格空间.当我将repeat(3，100px)值设置为自动适应时，它将终止列布局. 我仍然需要将其包裹在3点.

I have a grid where I want it to work somewhat like it is except when there are only 1 or 2 cells I want it to auto size and not be a set of 3 with the last one holding its cell space. When I set repeat(3, 100px) value to auto-fit then it kills the column layout. I still need it to wrap at 3.

.parent {
  background: #f4f4f5;
  font-size:2em;
  border: 1px solid black;
  padding: 20px 0;
  text-align: center;
  width: 100%;
}
.parent .wrapper {
  display: inline-grid;
  grid-template-columns: repeat(3, 100px);
  box-shadow: 1px 0px 5px 0px rgba(0,0,0,0.75);
  grid-auto-flow: row;
  background-color: white;
}

.cell {
  border: 1px solid gray;
  background-color: white;
}

.cell .inner {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100px;
  height: 100px;
  text-align: center;
}

<div class="parent">
  <div class="wrapper">
    <div class="cell">
      <div class="inner">Cell 1</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 2</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 3</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 4</div>
    </div>
  </div> 
</div>

推荐答案

因此，您要使网格容器自动调整大小，使其少于3个项目，然后自动换行-这是一种使用以下解决方案的解决方案隐式网格.

So you want to make the grid-container auto-sized less that 3 items and wrap after that - here's a solution that uses implicit grids.

• 使用单列嵌入式网格容器:

display: inline-grid;
grid-template-columns: 100px;
grid-template-rows: 100px;

使用以下方法将隐式网格的大小设置为100px x 100px:

size your implicit grids as 100px x 100px using:

grid-auto-columns: 100px;
grid-auto-rows: 100px;

使用grid-column: 2将您的第二项放入第二行；和您的第三项使用grid-column: 3

place your second item to the second row using grid-column: 2; and your third item to the third row using grid-column: 3

现在您将拥有一个3 x 3的网格-参见下面的演示:

Now you will have a 3 x 3 grid - see demo below:

* {
  box-sizing: border-box;
}

.parent {
  background: #f4f4f5;
  font-size: 2em;
  border: 1px solid black;
  padding: 20px 0;
  text-align: center;
  width: 100%;
}

.parent .wrapper {
  display: inline-grid;
  grid-template-columns: 100px; /* one column layout */
  grid-template-rows: 100px; /* sizes the rows */
  grid-auto-columns: 100px; /* sizing columns of implicit grid */
  grid-auto-rows: 100px; /* sizing rows of implicit grid */
  box-shadow: 1px 0px 5px 0px rgba(0, 0, 0, 0.75);
  grid-auto-flow: row;
  background-color: white;
}

.cell:nth-child(2) {
  grid-column: 2; /* places it in the second column */
}

.cell:nth-child(3) { 
  grid-column: 3; /* places it in the third column */
}

.cell {
  border: 1px solid gray;
  background-color: white;
}

.cell .inner {
  display: flex;
  justify-content: center;
  align-items: center;
  /* width: 100px; */
  /* height: 100px; */
  height: 100%; /* added */
  text-align: center;
}

<div class="parent">
  <div class="wrapper">
    <div class="cell">
      <div class="inner">Cell 1</div>
    </div>
  </div>
</div>

<div class="parent">
  <div class="wrapper">
    <div class="cell">
      <div class="inner">Cell 1</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 2</div>
    </div>
  </div>
</div>

<div class="parent">
  <div class="wrapper">
    <div class="cell">
      <div class="inner">Cell 1</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 2</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 3</div>
    </div>
  </div>
</div>

<div class="parent">
  <div class="wrapper">
    <div class="cell">
      <div class="inner">Cell 1</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 2</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 3</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 4</div>
    </div>
  </div>
</div>

<div class="parent">
  <div class="wrapper">
    <div class="cell">
      <div class="inner">Cell 1</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 2</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 3</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 4</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 5</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 6</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 7</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 8</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 9</div>
    </div>
    <div class="cell">
      <div class="inner">Cell 10</div>
    </div>
  </div>
</div>

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