How to customize text omission with CSS
This time I will bring you the method of omitting CSS customized text. What are the precautions for omitting CSS customized text? The following is a practical case, let’s take a look.
WeTest Introduction
I got the design draft from Design MM, Oh NO, I started adding more content after a little bit, it’s such a small space, so much trouble! ! It's pity that our UI development GG keeps saying sincerely every time, it's not that Weichen won't do it, it's because it can't be done! Very guilty. But now, since I have used customized multi-line omission, my waist is no longer sore, my hands are no longer hurting, and I can answer requests effortlessly!
1. What is multi-line omission?
2. How to do it?
##
<!doctype html>
<html>
<body>
<style>
@-webkit-keyframes width-change {0%,100%{width: 320px} 50%{width:260px}}
</style>
<p style="font-size:12px;line-height: 18px;-webkit-animation: width-change 8s ease infinite;background: rgb(230, 230, 230);">
<p style="float:right;margin-left: -50px;width:100%;position:relative;background: hsla(229, 100%, 75%, 0.5);">
腾讯成立于1998年11月，是目前中国领先的互联网增值服务提供商之一。成立10多年来，腾讯一直秉承“一切以用户价值为依归”的经营理念，为亿级海量用户提供稳定优质的各类服务，始终处于稳健发展状态。2004年6月16日，腾讯控股有限公司在香港联交所主板公开上市(股票代号700)。
</p>
<p style="float:right;position:relative;width:50px;height: 108px;color:transparent;background: hsla(334, 100%, 75%, 0.5);">placeholder</p>
<p style="float:right;width:50px;height:18px;position: relative;background: hsla(27, 100%, 75%, 0.5);">...更多</p>
</p>
</body>
</html>
Use the right floating principle - right floating elements are arranged from right to left, and if there is not enough space, they will wrap. The blue block, pink block, and orange block float to the right in sequence. When the height of the blue block is less than 6 lines of text, the orange block is on the right. When the height of the blue block is greater than 6 lines of text, the lower left corner is just enough space for the orange blocks to be arranged, so the orange block The block is to the left
<!doctype html>
<html>
<body>
<style>
@-webkit-keyframes width-change {0%,100%{width: 320px} 50%{width:260px}}
</style>
<p style="font-size:12px;line-height: 18px;-webkit-animation: width-change 8s ease infinite;background: rgb(230, 230, 230);">
<p style="float:right;margin-left: -50px;width:100%;position:relative;background: hsla(229, 100%, 75%, 0.5);">
腾讯成立于1998年11月，是目前中国领先的互联网增值服务提供商之一。成立10多年来，腾讯一直秉承“一切以用户价值为依归”的经营理念，为亿级海量用户提供稳定优质的各类服务，始终处于稳健发展状态。2004年6月16日，腾讯控股有限公司在香港联交所主板公开上市(股票代号700)。
</p>
<p style="float:right;position:relative;width:50px;height: 108px;color:transparent;background: hsla(334, 100%, 75%, 0.5);">placeholder</p>
<p style="float:right;width:50px;height:18px;position: relative;background: hsla(27, 100%, 75%, 0.5);left: 100%;-webkit-transform: translate(-100%,-100%);">...更多</p>
</p>
</body>
</html>
Further offset the orange block to the correct The location is done! Careful students will find that adding orange blocks with a gradient background is the solution used by Google Plus.
Text overflow truncation
<!DOCTYPE html>
<html>
<body>
<style>
@-webkit-keyframes width-change {0%,100%{width: 320px} 50%{width:260px}}
</style>
<p style="font-size: 12px;display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 6;color: red;line-height: 18px;position: relative;-webkit-animation: width-change 8s ease infinite;background: rgb(230, 230, 230);">
<p style="color:#000;display: inline;vertical-align: top;background: rgb(204, 204, 204);">
腾讯成立于1998年11月，是目前中国领先的互联网增值服务提供商之一。成立10多年来，腾讯一直秉承“一切以用户价值为依归”的经营理念，为亿级海量用户提供稳定优质的各类服务，始终处于稳健发展状态。2004年6月16日，腾讯控股有限公司在香港联交所主板公开上市(股票代号700)。</p>
</p>
</body>
</html>
-webkit-line-clamp is a private css attribute of the webkit kernel, used for multi-line omission, fully supported on Android and ios. But it uses ellipses fixedly and cannot be expanded directly. And it comes with overflow truncation logic, which acts on the height of the container. Careful inspection shows that the ellipsis it uses is a single character..., which can be controlled by text css attributes such as font-size,
letter-spacing
<!DOCTYPE html><html><body>
<style>@-webkit-keyframes width-change {0%,100%{width: 320px} 50%{width:260px}}/*测试*/</style>
<p style="font-size: 36px;letter-spacing: 28px;display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 6;color: red;line-height: 18px;position: relative;-webkit-animation: width-change 8s ease infinite;background: rgb(230, 230, 230);">
<p style="color:#000;display: inline;font-size: 12px;vertical-align: top;letter-spacing: 0;background: rgb(204, 204, 204);">
腾讯成立于1998年11月，是目前中国领先的互联网增值服务提供商之一。成立10多年来，腾讯一直秉承“一切以用户价值为依归”的经营理念，为亿级海量用户提供稳定优质的各类服务，始终处于稳健发展状态。2004年6月16日，腾讯控股有限公司在香港联交所主板公开上市(股票代号700)。
</p>
</p>
</body>
</html>
Set the font-size, letter-spacing, and color of the outer container , and restore it in the sub-container to set the ellipses separately. Here, the value of font-size set in the outer container is equal to 2 times the line height (the remaining width to be stretched can be filled with letter-spacing, or only font-size can be used to stretch the entire width). If the color is transparent, line-clamp can be used It extrudes the text without cutting off the container height. The height of the outer container reaches 7 lines instead of the default 6 lines, thereby achieving the required overflow truncation effect
fit! Customized multi-line omission 将-webkit-line-clamp实现的文字溢出截断代码为主体，叠加绝对定位同步的按需显示...更多结构。因为绝对定位，这里使用百分比简化代码。最外包一层结构限制最大高度。 
<!DOCTYPE html><html><body>
<style>@-webkit-keyframes width-change {0%,100%{width: 320px} 50%{width:260px}}/*测试*/</style>
<p style="position: relative;line-height:18px;-webkit-animation: width-change 8s ease infinite;max-height: 108px;">
<p style="font-size: 36px;letter-spacing: 28px;display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 6;color: transparent;line-height: 18px;position: relative;">
<p style="font-size:12px;color: #000;display: inline;vertical-align: top;letter-spacing: 0;">
腾讯成立于1998年11月，是目前中国领先的互联网增值服务提供商之一。成立10多年来，腾讯一直秉承“一切以用户价值为依归”的经营理念，为亿级海量用户提供稳定优质的各类服务，始终处于稳健发展状态。2004年6月16日，腾讯控股有限公司在香港联交所主板公开上市(股票代号700)。
</p>
<p style="position:absolute;top: 0;left: 50%;width: 100%;height: 100%;letter-spacing: 0;color: #000;font-size: 12px;background: rgba(173, 216, 230, 0.5);">
<p style="float: right;width: 50%;height: 100%;background: rgba(255, 192, 203, 0.5);"></p>
<p style="float: right;width: 50%;height: 108px;background: hsla(223, 100%, 50%, 0.19);"></p>
<p style="float: right;width: 50px;height: 18px;position: relative;background: rgba(255, 165, 0, 0.5);" class="">... 更多</p>
</p>
</p>
</p>
</body></html>
<!DOCTYPE html><html><body>
<style>
/*
* 行高 h
* 最大行数 n
* ...更多容器的宽 w
* 字号 f
*/
@-webkit-keyframes width-change {0%,100%{width: 320px} 50%{width:260px}}
.ellipsis {
position: relative;
background: rgb(230, 230, 230);
width: 260px;
max-height: 108px; /* h*n */
line-height: 18px; /* h */
overflow: hidden;
-webkit-animation: width-change 8s ease infinite;
}
.ellipsis-container {
position: relative;
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 6; /* n */
font-size: 50px; /* w */
color: transparent;
}
.ellipsis-content {
color: #000;
display: inline;
vertical-align: top;
font-size: 12px; /* f */
}
.ellipsis-ghost {
position:absolute;
z-index: 1;
top: 0;
left: 50%;
width: 100%;
height: 100%;
color: #000;
}
.ellipsis-ghost:before {
content: "";
display: block;
float: right;
width: 50%;
height: 100%;
}
.ellipsis-placeholder {
content: "";
display: block;
float: right;
width: 50%;
height: 108px; /* h*n */
}
.ellipsis-more {
position: relative;
float: right;
font-size: 12px; /* f */
width: 50px; /* w */
height: 18px; /* h */
margin-top: -18px; /* -h */
}
</style>
<p class="ellipsis">
<p class="ellipsis-container">
<p class="ellipsis-content">
腾讯成立于1998年11月，是目前中国领先的互联网增值服务提供商之一。成立10多年来，腾讯一直秉承“一切以用户价值为依归”的经营理念，为亿级海量用户提供稳定优质的各类服务，始终处于稳健发展状态。2004年6月16日，腾讯控股有限公司在香港联交所主板公开上市(股票代号700)。</p>
<p class="ellipsis-ghost">
<p class="ellipsis-placeholder"></p>
<p class="ellipsis-more">...更多</p>
</p>
</p>
</p>
</body></html>
将橙色块偏移到正确位置，梳理了下代码，最终实现了自适应高度的定制多行省略，完美！从此妈妈再也不担心我在省略号后面加东西改东西了！恭喜你击败99%的同行了！
三、为什么这么做？
line-clamp有3宗罪
和 text-align:justify 一起用会使省略号和文字相叠
超出截断后会截掉部分行高
省略号出现在单词中间
定制省略当然某问题啦
ext-align:justify时如期所示，没问题！
截断时如期所示，也没问题！
省略号在有单词时如期显示，依然没问题！
更别说点点点花样增改
简单增改文字加链接只是小case
用折角还是其他图片表示文本溢出可以增添趣味
溢出时显示溢出字数增加了实用用途
相信看了本文案例你已经掌握了方法，更多精彩请关注php中文网其它相关文章！
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