HTML特殊字符如何正确显示

&amp;amp;amp;amp;amp;amp;amp;amp;lt;blockquote&amp;amp;amp;amp;amp;amp;amp;gt;答案是使用命名实体或数字实体转义特殊字符。通过、&amp;amp;amp;amp;amp;amp;amp;amp;等命名实体或&amp;amp;amp;amp;amp;amp;amp;amp;lt;/blockquote&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;img src=&amp;amp;amp;amp;amp;quot;https://img.php.cn/upload/article/001/221/864/175661958227722.png&amp;amp;amp;amp;amp;quot; alt=&amp;amp;amp;amp;amp;quot;html特殊字符如何正确显示&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;gt;在HTML中正确显示特殊字符，最可靠且推荐的方法是使用它们的命名实体（如&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;<&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;表示&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;）或数字实体（如&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;表示&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;）。这能确保&amp;amp;amp;amp;amp;amp;amp;amp;lt;a style=&amp;amp;amp;amp;amp;quot;color:#f60; text-decoration:underline;&amp;amp;amp;amp;amp;quot; title=&amp;amp;amp;amp;amp;quot;浏览器&amp;amp;amp;amp;amp;quot; href=&amp;amp;amp;amp;amp;quot;https://www.php.cn/zt/16180.html&amp;amp;amp;amp;amp;quot; target=&amp;amp;amp;amp;amp;quot;_blank&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;浏览器&amp;amp;amp;amp;amp;amp;amp;amp;lt;/a&amp;amp;amp;amp;amp;amp;amp;gt;准确地将这些字符渲染为内容的一部分，而不会误将其解析为HTML标签、属性或实体声明，从而避免显示错误和潜在的安全问题。&amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;h3&amp;amp;amp;amp;amp;amp;amp;gt;解决方案&amp;amp;amp;amp;amp;amp;amp;amp;lt;/h3&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;gt;要确保HTML特殊字符的正确显示，核心在于“转义”。当你在HTML文档中直接输入&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;时，浏览器会将其理解为标签的开始，而不是一个普通的字符。所以，我们需要明确告诉浏览器：“嘿，这只是一个字符，不是代码的一部分。”&amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;gt;具体做法有以下几种：&amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;ol&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;gt;使用命名实体（Named Entities）&amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;amp;amp;amp;amp;amp;amp;gt;：这是最常见且推荐的方法。HTML预定义了一系列命名实体，它们以一个&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;符号开头，后面跟着实体名称，最后以分号&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;结束。&amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;span&amp;amp;amp;amp;amp;amp;amp;gt;立即学习&amp;amp;amp;amp;amp;amp;amp;amp;lt;/span&amp;amp;amp;amp;amp;amp;amp;gt;“&amp;amp;amp;amp;amp;amp;amp;amp;lt;a href=&amp;amp;amp;amp;amp;quot;https://pan.quark.cn/s/cb6835dc7db1&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;text-decoration: underline !important; color: blue; font-weight: bolder;&amp;amp;amp;amp;amp;quot; rel=&amp;amp;amp;amp;amp;quot;nofollow&amp;amp;amp;amp;amp;quot; target=&amp;amp;amp;amp;amp;quot;_blank&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;前端免费学习笔记（深入）&amp;amp;amp;amp;amp;amp;amp;amp;lt;/a&amp;amp;amp;amp;amp;amp;amp;gt;”；&amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;ul&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;例如：&amp;amp;amp;amp;amp;amp;amp;amp;lt;ul&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;<&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; 代表 &amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; (less than)&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;>&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; 代表 &amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; (greater than)&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; 代表 &amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; (ampersand)&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; 代表 &amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; (double quotation mark)&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;apos;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; 代表 &amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;’&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; (single quotation mark / apostrophe)，尽管在HTML5中被广泛支持，但在XHTML或旧版HTML中，&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;’&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;更通用。&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; 代表 不间断空格 (non-breaking space)&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;copy;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; 代表 &amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;©&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

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&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; (Euro symbol)&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/ul&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;gt;优点&amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;amp;amp;amp;amp;amp;amp;gt;：可读性强，开发者容易理解其代表的字符。&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;gt;缺点&amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;amp;amp;amp;amp;amp;amp;gt;：不是所有特殊字符都有命名实体。&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/ul&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;gt;使用数字实体（Numeric Entities）&amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;amp;amp;amp;amp;amp;amp;gt;：&amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;aritcle_card&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;a class=&amp;amp;amp;amp;amp;quot;aritcle_card_img&amp;amp;amp;amp;amp;quot; href=&amp;amp;amp;amp;amp;quot;/ai/788&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;img src=&amp;amp;amp;amp;amp;quot;https://img.php.cn/upload/ai_manual/000/000/000/175679966942334.png&amp;amp;amp;amp;amp;quot; alt=&amp;amp;amp;amp;amp;quot;百度AI开放平台&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;/a&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;aritcle_card_info&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;a href=&amp;amp;amp;amp;amp;quot;/ai/788&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;百度AI开放平台&amp;amp;amp;amp;amp;amp;amp;amp;lt;/a&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;gt;百度提供的综合性AI技术服务平台，汇集了多种AI能力和解决方案&amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;img src=&amp;amp;amp;amp;amp;quot;/static/images/card_xiazai.png&amp;amp;amp;amp;amp;quot; alt=&amp;amp;amp;amp;amp;quot;百度AI开放平台&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;span&amp;amp;amp;amp;amp;amp;amp;gt;105&amp;amp;amp;amp;amp;amp;amp;amp;lt;/span&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;a href=&amp;amp;amp;amp;amp;quot;/ai/788&amp;amp;amp;amp;amp;quot; class=&amp;amp;amp;amp;amp;quot;aritcle_card_btn&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;span&amp;amp;amp;amp;amp;amp;amp;gt;查看详情&amp;amp;amp;amp;amp;amp;amp;amp;lt;/span&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;img src=&amp;amp;amp;amp;amp;quot;/static/images/cardxiayige-3.png&amp;amp;amp;amp;amp;quot; alt=&amp;amp;amp;amp;amp;quot;百度AI开放平台&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;/a&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;lt;ul&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;gt;十进制数字实体&amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;amp;amp;amp;amp;amp;amp;gt;：&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;#&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

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&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/ul&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/ul&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;gt;十六进制数字实体&amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;amp;amp;amp;amp;amp;amp;gt;：&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;#x&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

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&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;结束。&amp;amp;amp;amp;amp;amp;amp;amp;lt;ul&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;例如：&amp;amp;amp;amp;amp;amp;amp;amp;lt;ul&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; 代表 &amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; 代表 &amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

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&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; 代表 &amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;#xA9;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; 代表 &amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;©&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;#x20AC;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; 代表 &amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;€&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/ul&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/ul&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;gt;优点&amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;amp;amp;amp;amp;amp;amp;gt;：几乎可以表示任何Unicode字符，通用性极强。&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;gt;缺点&amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;amp;amp;amp;amp;amp;amp;gt;：可读性不如命名实体，需要查找对应的Unicode码。&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/ul&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;gt;正确设置字符编码&amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;amp;amp;amp;amp;amp;amp;gt;：这虽然不是直接“转义”字符，但却是显示特殊字符的基础。在HTML文档的&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;head&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;部分设置正确的&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;charset&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;（通常是&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;UTF-8&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;）至关重要。&amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=’brush:html;toolbar:false;’&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;meta charset=&amp;amp;amp;amp;amp;quot;UTF-8&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;gt;如果你的文档编码与实际内容编码不符，即使使用了实体，也可能出现乱码。&amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;gt;在JavaScript中处理&amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;amp;amp;amp;amp;amp;amp;gt;：当通过JavaScript动态插入内容时，如果内容包含特殊字符，需要确保它们在插入HTML之前已经被正确转义。例如，使用&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;element.textContent = someString;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;通常比&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;element.innerHTML = someString;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;更安全，因为它会自动处理特殊字符的转义，避免XSS风险。如果必须使用&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;innerHTML&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;，则需要手动或借助库进行转义。&amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/ol&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;h3&amp;amp;amp;amp;amp;amp;amp;gt;HTML中常见的特殊字符有哪些，以及它们&amp;amp;amp;amp;amp;amp;amp;amp;lt;a style=&amp;amp;amp;amp;amp;quot;color:#f60; text-decoration:underline;&amp;amp;amp;amp;amp;quot; title=&amp;amp;amp;amp;amp;quot;为什么&amp;amp;amp;amp;amp;quot; href=&amp;amp;amp;amp;amp;quot;https://www.php.cn/zt/92702.html&amp;amp;amp;amp;amp;quot; target=&amp;amp;amp;amp;amp;quot;_blank&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;为什么&amp;amp;amp;amp;amp;amp;amp;amp;lt;/a&amp;amp;amp;amp;amp;amp;amp;gt;需要被转义？&amp;amp;amp;amp;amp;amp;amp;amp;lt;/h3&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;gt;谈到HTML中的特殊字符，我们通常指的是那些在HTML语法中有特殊含义，或者在标准键盘上不容易直接输入的字符。理解它们为什么需要转义，其实就是理解HTML解析器的工作方式。&amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;gt;最常见的需要转义的“HTML保留字符”有：&amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;ul&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; (小于号)&amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;amp;amp;amp;amp;amp;amp;gt;：这是最典型的。它标志着一个HTML标签的开始。如果你想在页面上显示一个&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;字符，比如写&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;1 &amp;amp;amp;amp;amp;amp;amp;amp;lt; 2&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;，直接写&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;1 &amp;amp;amp;amp;amp;amp;amp;amp;lt; 2&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;，浏览器会误以为&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;2&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;是一个标签名，从而导致解析错误或显示异常。所以，你需要用&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;<&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;。&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; (大于号)&amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;amp;amp;amp;amp;amp;amp;gt;：与小于号类似，它标志着一个HTML标签的结束。虽然单独出现时通常不会造成大问题，但为了完整性，在需要显示时也应转义为&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;>&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;。&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; (和号)&amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;amp;amp;amp;amp;amp;amp;gt;：这个字符在HTML中是所有实体（命名实体和数字实体）的开始标记。如果想显示一个&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;符号，比如&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;A &amp;amp;amp;amp;amp;amp;amp;amp; B&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;，直接写&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;A &amp;amp;amp;amp;amp;amp;amp;amp; B&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;，浏览器会尝试将&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;B&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;解析为一个实体名称，如果&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;B&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;不是一个合法的实体，可能会导致显示错误。所以，需要用&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;。&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; (双引号)&amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;amp;amp;amp;amp;amp;amp;gt;：在HTML属性值中，双引号用于包裹属性值。例如&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;a href=&amp;amp;amp;amp;amp;quot;link.html&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;。如果你在属性值内部也想显示双引号，比如&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;input value=&amp;amp;amp;amp;amp;quot;He said &amp;amp;amp;amp;amp;quot;Hello!&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;，这会提前终止属性值，导致语法错误。因此，在属性值内部需要将双引号转义为&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;。&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;’&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt; (单引号)&amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;amp;amp;amp;amp;amp;amp;gt;：与双引号类似，在HTML属性值中也可以用于包裹属性值。如果属性值内部需要显示单引号，则需转义为&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;apos;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;（尽管在HTML5中，&amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;apos;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;gt;

&amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;gt;被广泛支持，但在旧的HTML版本或XHTML中&amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;lt;/ul&amp;amp;amp;amp;amp;amp;amp;gt;

以上就是HTML特殊字符如何正确显示的详细内容，更多请关注创想鸟其它相关文章！