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文本内容换行样式介绍

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使用 css 让内容换行,经常碰到 word-wrap/word-break/white-space 这些属性,整理了下其相应属性值介绍,以及使用场景

word-wrap

用来说明当一个不能被分开的字符串太长而不能填充其包裹盒时,为防止其溢出,浏览器是否允许这样的单词中断换行,默认值 normal

内容超出在正常的单词结束处换行,不截断英文单词换行

示例

<p style="width: 100px; border: 1px solid #ff5f40;">I have a long word which is testasdfdfjlandfg;lkj;ldfasdf;lkjnasdgf</p>

I have a long word which is testasdfdfjlandfg;lkj;ldfasdf;lkjnasdgf

内容超出如果行内没有多余的地方容纳该单词到结尾,则该单词被强制分割换行

示例

<p style="width: 100px; border: 1px solid #ff5f40; word-wrap: break-word">I have a long word which is testasdfdfjlandfg;lkj;ldfasdf;lkjnasdgf</p>

I have a long word which is testasdfdfjlandfg;lkj;ldfasdf;lkjnasdgf

word-break

指定怎样在单词内断行,默认值 normal

使用默认的断行规则,中文在边界处文字换行,英文单词换行,如果单词长度过长,则撑破容器

示例

<p style="width: 100px; border: 1px solid #ff5f40; word-break: normal">你好,这是中文文字内容。I have a long word which is testasdfdfjlandfg;lkj;ldfasdf;lkjnasdgf</p>

你好,这是中文文字内容。I have a long word which is testasdfdfjlandfg;lkj;ldfasdf;lkjnasdgf

normal 只是可以强行截断英文单词

示例

<p style="width: 100px; border: 1px solid #ff5f40; word-break: break-all;">你好,这是中文文字内容。I have a long word which is testasdfdfjlandfg;lkj;ldfasdf;lkjnasdgf</p>

你好,这是中文文字内容。I have a long word which is testasdfdfjlandfg;lkj;ldfasdf;lkjnasdgf

不允许文字断行,中文把前后标点符号内的内容整个换行,英文以单词换行,过长则撑破容器

示例

<p style="width: 100px; border: 1px solid #ff5f40; word-break: keep-all;">你好,这是中文文字内容。I have a long word which is testasdfdfjlandfg;lkj;ldfasdf;lkjnasdgf</p>

你好,这是中文文字内容。I have a long word which is testasdfdfjlandfg;lkj;ldfasdf;lkjnasdgf

white-space

描述元素里空白字符处理方式,默认值 normal

连续的空白符会被合并,换行符会被当作空白符来处理,内容超出换行

示例

<p style="width: 100px; border: 1px solid #ff5f40; white-space: normal">I have     multiple
        space and a line break</p>

I have multiple space and a line break

normal 一样,连续的空白符会被合并,但文本内的换行无效,内容超出不换行

示例

<p style="width: 100px; border: 1px solid #ff5f40; white-space: nowrap">I have     multiple
        space and a line break</p>

I have multiple space and a line break

连续的空白符会被保留,在遇到换行符或者 <br> 元素时才会换行,内容超出不换行

示例

<p style="width: 100px; border: 1px solid #ff5f40; white-space: pre">I have     multiple
    space and a line break</p>

I have multiple space and a line break

连续的空白符会被合并,在遇到换行符或者 <br> 元素时换行,内容超出换行

示例

<p style="width: 100px; border: 1px solid #ff5f40; white-space: pre-line">I have     multiple
    space and a line break</p>

I have multiple space and a line break

连续的空白符会被保留,在遇到换行符或者 <br> 元素时换行,内容超出换行

示例

<p style="width: 100px; border: 1px solid #ff5f40; white-space: pre-wrap">I have     multiple
    space and a line break</p>

I have multiple space and a line break

参考文献

http://www.w3cplus.com/content/css3-word-wrap https://developer.mozilla.org/en-US/docs/Web/CSS/word-wrap https://developer.mozilla.org/en-US/docs/Web/CSS/white-space https://developer.mozilla.org/en-US/docs/Web/CSS/word-break

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作者:Personal Blog
Personal Blog
原文地址:文本内容换行样式介绍, 感谢原作者分享。