Sal*_*n A 15
基于CSS3线性渐变解决方案,除了角度不是硬编码:
table:nth-of-type(1) td {
background-image: linear-gradient(
to top right,
white 48%,
black,
white 52%
);
}
table:nth-of-type(2) td {
background-image: linear-gradient(
to top right,
papayawhip calc(50% - 1px),
black,
papayawhip calc(50% + 1px)
);
}
/* for testing */
table {
border-collapse: collapse;
margin-top: 1em;
margin-bottom: 1em;
}
td:nth-child(odd) {
width: 10em;
}
td:nth-child(even) {
width: 20em;
}Run Code Online (Sandbox Code Playgroud)
<table border="1">
<tbody>
<tr>
<td>Narrow</td>
<td>Wide</td>
</tr>
<tr>
<td>Narrow</td>
<td>Wide</td>
</tr>
</tbody>
</table>
<table border="1">
<tbody>
<tr>
<td>Narrow</td>
<td>Wide</td>
</tr>
<tr>
<td>Narrow</td>
<td>Wide</td>
</tr>
</tbody>
</table>Run Code Online (Sandbox Code Playgroud)
另一种方法是使用SVG,因为它可以轻松缩放到容器的大小。
例子 :
div {
position: relative;
display:inline-block;
width: 100px;
height: 50px;
border: 1px solid #000;
}
.l{width:200px;}
.xl{width:300px;}
svg {
position: absolute;
width: 100%;
height: 100%;
}Run Code Online (Sandbox Code Playgroud)
<div class="s">
<svg viewBox="0 0 10 10" preserveAspectRatio="none">
<line x1="0" y1="0" x2="10" y2="10" stroke="black" stroke-width="0.2" />
</svg>
</div>
<div class="l">
<svg viewBox="0 0 10 10" preserveAspectRatio="none">
<line x1="0" y1="0" x2="10" y2="10" stroke="black" stroke-width="0.2" />
</svg>
</div>
<div class="xl">
<svg viewBox="0 0 10 10" preserveAspectRatio="none">
<line x1="0" y1="0" x2="10" y2="10" stroke="black" stroke-width="0.2" />
</svg>
</div>Run Code Online (Sandbox Code Playgroud)
您可以使用以下方法之一产生这种倾斜的内边框效果,但这两种方法都需要根据表格单元格的高度和宽度调整角度(倾斜/渐变)。
注意:当单元格尺寸是动态/自动时,这可能不是最好的选择(而且我也想不出任何其他更好的选择),因为角度需要修改。
选项 1:对伪元素使用倾斜变换
table,
tr,
td {
border: 1px solid;
border-collapse: collapse;
}
td {
display: inline-block; /* doesn't seem to work in FF without this */
position: relative;
overflow: hidden;
height: 100px;
width: 200px;
text-align: center;
line-height: 100px; /* for vertical centering */
}
td:after {
position:absolute;
content: '';
top: 0px;
left: 0px;
height: 100%;
width: 100%;
border: 1px solid red;
-webkit-transform: skewX(63deg);
-moz-transform: skewX(63deg);
transform: skewX(63deg);
-webkit-transform-origin: left bottom;
-moz-transform-origin: left bottom;
transform-origin: left bottom;
}Run Code Online (Sandbox Code Playgroud)
<table>
<tr>
<td>
Test
</td>
<td>
Test
</td>
</tr>
<tr>
<td>
Test
</td>
<td>
Test
</td>
</tr>
<tr>
<td>
Test
</td>
<td>
Test
</td>
</tr>
</table>Run Code Online (Sandbox Code Playgroud)
选项2:在背景中使用线性渐变(IE9及更低版本不支持)
table,
tr,
td {
border: 1px solid;
border-collapse: collapse;
}
td {
background: -webkit-linear-gradient(45deg, transparent 49%, black 49%, black 51%, transparent 51%);
background: -moz-linear-gradient(45deg, transparent 49%, black 49%, black 51%, transparent 51%);
background: linear-gradient(45deg, transparent 49%, black 49%, black 51%, transparent 51%);
width: 50px;
height: 50px;
}Run Code Online (Sandbox Code Playgroud)
<table>
<tr>
<td>
Test
</td>
<td>
Test
</td>
</tr>
<tr>
<td>
Test
</td>
<td>
Test
</td>
</tr>
<tr>
<td>
Test
</td>
<td>
Test
</td>
</tr>
</table>Run Code Online (Sandbox Code Playgroud)
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