HTML特殊字符如何正确显示

&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;blockquote&amp;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;amp;等命名实体或&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/blockquote&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;img src=&amp;amp;amp;amp;amp;amp;quot;https://img.php.cn/upload/article/001/221/864/175661958227722.png&amp;amp;amp;amp;amp;amp;quot; alt=&amp;amp;amp;amp;amp;amp;quot;html特殊字符如何正确显示&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;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;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;amp;gt;表示&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;<&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;amp;gt;）或数字实体（如&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;amp;gt;表示&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;<&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;amp;gt;）。这能确保&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;a style=&amp;amp;amp;amp;amp;amp;quot;color:#f60; text-decoration:underline;&amp;amp;amp;amp;amp;amp;quot; title=&amp;amp;amp;amp;amp;amp;quot;浏览器&amp;amp;amp;amp;amp;amp;quot; href=&amp;amp;amp;amp;amp;amp;quot;https://www.php.cn/zt/16180.html&amp;amp;amp;amp;amp;amp;quot; target=&amp;amp;amp;amp;amp;amp;quot;_blank&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;浏览器&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/a&amp;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;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;h3&amp;amp;amp;amp;amp;amp;amp;amp;gt;解决方案&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/h3&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;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;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;<&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;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;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;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;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;ol&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;amp;gt;使用命名实体（Named Entities）&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;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;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;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;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;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;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;amp;gt;结束。&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;span&amp;amp;amp;amp;amp;amp;amp;amp;gt;立即学习&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/span&amp;amp;amp;amp;amp;amp;amp;amp;gt;“&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;a href=&amp;amp;amp;amp;amp;amp;quot;https://pan.quark.cn/s/cb6835dc7db1&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;text-decoration: underline !important; color: blue; font-weight: bolder;&amp;amp;amp;amp;amp;amp;quot; rel=&amp;amp;amp;amp;amp;amp;quot;nofollow&amp;amp;amp;amp;amp;amp;quot; target=&amp;amp;amp;amp;amp;amp;quot;_blank&amp;amp;amp;amp;amp;amp;quot;&amp;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;amp;lt;/a&amp;amp;amp;amp;amp;amp;amp;amp;gt;”；&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/p&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;ul&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;amp;gt;例如：&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;ul&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;amp;gt; 代表 &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;<&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;amp;gt; (less than)&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;amp;gt; 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&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/ul&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;p&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;amp;gt;正确设置字符编码&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;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;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;<head>&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;amp;gt;部分设置正确的&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; 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(和号)&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;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;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;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;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;amp;gt;符号，比如&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;A &amp;amp;amp;amp;amp;amp;amp;amp;amp; 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&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;amp;gt; (双引号)&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;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;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;<a href=&amp;amp;amp;amp;amp;amp;quot;link.html&amp;amp;amp;amp;amp;amp;quot;>&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;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;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;<input value=&amp;amp;amp;amp;amp;amp;quot;He said &amp;amp;amp;amp;amp;amp;quot;Hello!&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;quot;>&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;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;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;amp;gt;。&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;li&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;strong&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;'&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;amp;gt; (单引号)&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/strong&amp;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;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;apos;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;amp;amp;amp;amp;amp;amp;amp;gt;（尽管在HTML5中，&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;div class=&amp;amp;amp;amp;amp;amp;quot;code&amp;amp;amp;amp;amp;amp;quot; style=&amp;amp;amp;amp;amp;amp;quot;position:relative; padding:0px; margin:0px;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;pre class=&amp;amp;amp;amp;amp;amp;quot;brush:php;toolbar:false;&amp;amp;amp;amp;amp;amp;quot;&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;apos;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/pre&amp;amp;amp;amp;amp;amp;amp;amp;gt;&amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/div&amp;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;amp;lt;/li&amp;amp;amp;amp;amp;amp;amp;amp;gt; &amp;amp;amp;amp;amp;amp;amp;amp;amp;lt;/ul&amp;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php中文网其它相关文章！