Html 防止 CSS 网格中的双边框
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StackOverFlow
Preventing double borders in CSS Grid
提问by klugjo
Given the current CSS grid example, how can I collapse the borders in order to avoid the double borders ?
鉴于当前的 CSS 网格示例，如何折叠边框以避免双边框？
This is such a simple thing to achieve using an Html table. How do I do it using display: grid?
这是使用 Html 表实现的如此简单的事情。我该如何使用display: grid？
.wrapper {
display: grid;
grid-template-columns: 50px 50px 50px 50px;
}
.wrapper > div {
padding: 15px;
text-align: center;
border: 1px solid black;
}<div class="wrapper">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
</div>采纳答案by Temani Afif
You may do like this :
你可以这样做：
.wrapper {
display: inline-grid;
grid-template-columns: 50px 50px 50px 50px;
border-bottom: 1px solid black;
border-left: 1px solid black;
}
.wrapper > div {
padding: 15px;
text-align: center;
border-top: 1px solid black;
border-right: 1px solid black;
}
body {
background:pink;
}<div class="wrapper">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
</div>Another idea is to rely on gradient to fill gaps like below:
另一个想法是依靠梯度来填补如下空白：
.wrapper {
display: inline-grid;
grid-template-columns: 50px 50px 50px 50px;
grid-gap:1px;
background:
linear-gradient(#000,#000) center/100% 1px no-repeat,
repeating-linear-gradient(to right,
transparent ,transparent 50px,
#000 50px,#000 51px);
border:1px solid;
}
.wrapper > div {
padding: 15px;
text-align: center;
}
body {
background:pink;
}<div class="wrapper">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
</div>You can also adjust the initial solution to make it more flexible and it will work with any number of items inside a row.
您还可以调整初始解决方案以使其更加灵活，并且它可以处理一行中的任意数量的项目。
Run the below code on full page and resize the window:
在整页上运行以下代码并调整窗口大小：
.wrapper {
display: grid;
max-width:800px;
grid-template-columns: repeat(auto-fill,minmax(100px,1fr));
border-top: 1px solid black;
border-left: 1px solid black;
}
.wrapper > div {
padding: 15px;
text-align: center;
border-bottom: 1px solid black;
border-right: 1px solid black;
}
body {
background:pink;
}<div class="wrapper">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
<div>9</div>
<div>10</div>
<div>11</div>
</div>回答by Michael Benjamin
Instead of using an actual border around grid items, use the background color on the container (for "border" color) and the grid-gapproperty (for "border" width).
不要在网格项目周围使用实际边框，而是使用容器上的背景颜色（用于“边框”颜色）和grid-gap属性（用于“边框”宽度）。
.wrapper {
display: inline-grid;
grid-template-columns: 50px 50px 50px 50px;
border: 1px solid black;
grid-gap: 1px;
background-color: black;
}
.wrapper > div {
background-color: white;
padding: 15px;
text-align: center;
}<div class="wrapper">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
</div>回答by Krzysztof Mazur
.wrapper {
display: grid;
grid-template-columns: 50px 50px 50px 50px;
}
.wrapper > div {
padding: 15px;
text-align: center;
border: 1px solid black;
margin:0 -1px -1px 0;
}<div class="wrapper">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
</div>margin:0 -1px -1px 0;
This should do the trick.
这应该可以解决问题。
回答by Leonardo Baptista Lopes
I found a solution by using the outlineproperty.
我通过使用该outline属性找到了解决方案。
.grid {
width: 100%;
height: 700px;
display: grid;
grid-template-columns: repeat(4, 25fr);
grid-template-rows: repeat(4, 25fr);
margin-bottom: 30px;
grid-gap: 1px;
}
.grid-item {
background-color: silver;
outline: 1px solid gray; /* The outline creates the border */
text-align: center;
position: relative;
z-index: 1; /* original z-index */
}
/* If you want to change the color on the hover state */
.grid-item:hover {
outline: 1px solid red;
z-index: 2; /* You must apply a z-index bigger than the original z-index or else some parts of the outline will be behind other grid elements */
}<div class="grid">
<div class="grid-item"></div>
<div class="grid-item"></div>
<div class="grid-item"></div>
<div class="grid-item"></div>
<div class="grid-item"></div>
<div class="grid-item"></div>
<div class="grid-item"></div>
<div class="grid-item"></div>
<div class="grid-item"></div>
<div class="grid-item"></div>
</div>回答by Niklan
There is an easy way to do this:
有一种简单的方法可以做到这一点：
.grid {
display: grid;
grid-template-columns: repeat(4, 1fr);
grid-gap: 1px;
}
.grid__item {
border: 1px solid gray;
box-sizing: content-box;
width: 100%;
height: 100%;
}<div class="grid">
<div class="grid__item">1</div>
<div class="grid__item">2</div>
<div class="grid__item">3</div>
<div class="grid__item">4</div>
<div class="grid__item">5</div>
<div class="grid__item">6</div>
<div class="grid__item">7</div>
<div class="grid__item">8</div>
<div class="grid__item">9</div>
<div class="grid__item">10</div>
<div class="grid__item">11</div>
<div class="grid__item">12</div>
</div>P.s. The main trick here is in box-sizing: content-box. You don't need it if you do not globally override it with another value. But many people uses border-box, in that case, this override solves the problem with the gap.
Ps 这里的主要技巧是在box-sizing: content-box. 如果您不使用另一个值全局覆盖它，则不需要它。但是很多人使用border-box，在那种情况下，这个覆盖解决了gap的问题。
回答by dan richardson
Something I've used with success is simply adding a box shadow to the grid items, along with a column and row gap. This then allows the columns size to always be exactly as determined in grid-template-columns.
Then simply changing the column and row gap and box shadow size allows for a thicker border.
我成功使用的方法是简单地向网格项添加框阴影以及列和行间隙。然后，这允许列大小始终与 中确定的完全相同grid-template-columns。然后只需更改列和行间隙以及框阴影大小即可获得更厚的边框。
.wrapper {
display: grid;
grid-template-columns: 50px 50px 50px 50px;
grid-column-gap: 1px;
grid-row-gap: 1px;
}
.wrapper > div {
padding: 15px;
text-align: center;
box-shadow: 0 0 0 1px;
}<div class="wrapper">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
<div>8</div>
</div>回答by okater
The win-win code would be to set
双赢的代码是设置
- grid items: border-bottom & border-right
- grid wrapper: border-top & border-left
- 网格项：border-bottom & border-right
- 网格包装器：border-top & border-left
So it would correct even if top columns not equal to bottom columns
因此，即使顶部列不等于底部列，它也会纠正
.wrapper {
display: inline-grid;
grid-template-columns: 50px 50px 50px 50px;
border-top: 1px solid black;
border-left: 1px solid black;
}
.wrapper > div {
padding: 15px;
text-align: center;
border-bottom: 1px solid black;
border-right: 1px solid black;
}
<div class="wrapper">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>
</div>
