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What to do if certain HTML characters cannot be typed

醉折花枝作酒筹

Aug 02, 2021 pm 05:22 PM

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这一次我们将目光转向HTML，我们都知道在html中有一些字符没有办法写出来，必须要通过其他方式才能书写。今天我们就来介绍一下HTML的字符实体，有需要的可以参考参考。 大家了解字符实体吗？防止某些小伙伴不了解，我们先来说一下字符实体。 字符实体通俗讲就是网页文件中复杂的符号代码和一些标点的代码。例如小于号<code> ，大于号<code>></code> ，双引号<code>“”</code>这些符号要在浏览器中显示，在HTML文档中都必需被转化成字符实体。字符实体有三部分：一个和号（&），一个实体名称及一个分号（；），或者 # 和一个实体编号，以及一个分号（;）。</code> 既然我们已经知道了字符实体，那我们就来看看一些实体的表示方法。 我们先来看一个例子。 <code><</code> 或 <code><</code> 或 <code><</code>是什么意思？第一个表示方法是不是很熟悉，它是小于号的意思。 从这个小小的例子可以更加清晰直观的看到HTML字符实体的表示方法。 我们现在就来观察各种字符的HTML实体。 不间断空格 HTML中一大常用字符实体——不间断的空格（<code> </code>）。 浏览器总是截断HTML页面中的空格。如果在文本中写入10个空格，浏览器将在显示页面之前删除其中9个空格。要增加页面中的空格数，需要使用字符实体。 例子<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:php;toolbar:false;'><!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <body> 我就试试有没有大段的空白。 </body> </html></pre><div class="contentsignin">Copy after login</div></div>结果 <img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/image/489/819/762/1627895774618399.png" class="lazy" title="1627895774618399.png" alt="What to do if certain HTML characters cannot be typed"> 果真出现了大段的空白。 其余的我就直接将字符字体写下来，不一一举例啦，毕竟太多了。 但是需要注意的是： <code>虽然 html 不区分大小写，但实体字符对大小写敏感。</code> 组合音标 语音符号是添加到字母中的“"glyph(字形)”。一些变音符号，如尖音符（<code> ̀</code>）和抑音符（<code> ́</code>）。变音符号可以出现在字母上方和下方、字母内部或两个字母之间。变音符号可以与字母和数字字符结合使用。 例如 <img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/image/863/225/700/1627896005268799.png" class="lazy" title="1627896005268799.png" alt="What to do if certain HTML characters cannot be typed"> <img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/image/827/318/409/1627896042853988.png" class="lazy" title="1627896042853988.png" alt="What to do if certain HTML characters cannot be typed"> 推荐学习：<a href="https://www.php.cn/course/list/11.html" target="_blank">html视频教程</a>

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