如何在 HTML 文档中显示 html 标签?

发布于 2024-10-25 21:58:45 字数 336 浏览 5 评论 0原文

我只是想创建类似的东西:

<strong>blah blah</strong>

我已经尝试这样做很长时间了,但由于某种原因,每当我放置代码和预标记时,它们都不会做他们应该做的事情。 他们确实取消了内容的格式 - 我没有看到任何格式,尽管标签没有出现。例如,我写道:

<pre><b>abc</b></pre>

abc 显示不是粗体,但我看不到标签本身。我怎样才能做到这一点? 我不想使用像 &fdaf; 这样的实体。因为我没有写传入的文本

I simply want to create something like that:

<strong>blah blah</strong>

I've been trying to do this for a long time though for some reason whenever I put the code and the pre tags they don't do what they should.
They do unformat the content - I don't see any formatting, though the tags don't appear. For example, I wrote :

<pre><b>abc</b></pre>

The abc is appearing not bold, but I can't see the tag itself. How can I do that?
I don't want to use entities like &fdaf; because I am not writing the incoming text

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评论(8

孤独岁月 2024-11-01 21:58:45

使用

标记,例如

<xmp>
  <html>
    <body>This is my html inside html.</body>
  </html>
</xmp>

您还可以在

内添加样式和格式。

Use the <xmp> tag, e.g.

<xmp>
  <html>
    <body>This is my html inside html.</body>
  </html>
</xmp>

You can also add styles and formatting inside <xmp> as well.

时光暖心i 2024-11-01 21:58:45

如何用 <> 替换传入文本 标签应该在源视图中可见,但在“普通视图”中不可见。

How about replacing the incoming texts by < and > The tags should be visible in source view, but not "in normal view".

血之狂魔 2024-11-01 21:58:45

您可以使用一些 JavaScript 来动态更改元素。

如果你使用jQuery

$( 'pre' ).text( $( 'pre' ).html() );

就可以了。

You could use some javascript to change elements on the fly.

If you use jQuery:

$( 'pre' ).text( $( 'pre' ).html() );

does the trick.

那些过往 2024-11-01 21:58:45

正如 mkluwe 所说,您应该使用 JavaScript(或服务器端脚本)来正确转义任何用户输入。这是您可以尝试的另一个 JavaScript 函数:

String.prototype.escapeHTML = function () {                                        
  return(                                                                 
    this.replace(/>/g,'>').
         replace(/</g,'<').
         replace(/"/g,'"')
  );
};
var codeEl = document.getElementById('test');
if (codeEl) {
  codeEl.innerHTML = codeEl.innerHTML.escapeHTML();
}

我还没有在 IE 中测试过它,但理论上它应该可以在 IE 中工作。您可以在以下页面查看结果:http://jsbin.com/oruri5/2/edit

Like mkluwe also said, you should use JavaScript (or a server-side script) to properly escape any user input. Here's another JavaScript function you could try:

String.prototype.escapeHTML = function () {                                        
  return(                                                                 
    this.replace(/>/g,'>').
         replace(/</g,'<').
         replace(/"/g,'"')
  );
};
var codeEl = document.getElementById('test');
if (codeEl) {
  codeEl.innerHTML = codeEl.innerHTML.escapeHTML();
}

I haven't tested this in IE, but it should work there in theory. Here's a page where you can view the results: http://jsbin.com/oruri5/2/edit

天冷不及心凉 2024-11-01 21:58:45

我知道的最简单的方法是替换 <和>与<和>这样它就不再是html了。还有其他几个类似的代码 &符号等。

文本从哪里来?如果它是在 javascript 中,那么最简单的方法是在 javascript 中进行正则表达式替换。

The easiest way I know is to replace the < and > with < and > that way it's not html anymore. There are several other codes like these for & symbols, etc.

Where is the text coming from? If it's in javascript than you're easiest way would be to do a regex replace in javascript.

请叫√我孤独 2024-11-01 21:58:45

必须写一些像&fdaf;这样的东西。因为浏览器拒绝相信您的意思是

对于一切。这是正确的行为,否则你怎么能摆脱 
 呢?部分?您必须仔细阅读文档并查找每个小于号替换的 <。对于大于号或与号(通常),不必这样做

You have to write stuff like &fdaf; because the browser refuses to believe that you mean <pre> for everything. This is the correct behavior, else how would you ever escape from a <pre> section? You have to go through the doc and for every less-than sign substitute <. You do not have to do that for the greater-than sign or for ampersand (usually).

木格 2024-11-01 21:58:45

请勿使用

</plaintext></code> 和 <code><listing></listing></code>。按照 <a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/xmp" rel="nofollow noreferrer">MDN</a> 的建议使用:<p></p><blockquote><p>使用 <code></code></p><pre> 元素,或者如果语义足够,则使用 <code><code></code> 元素。请注意,您需要将 <code>&lt;</code> 字符转义为 <code>&lt;</code> 以确保它不会被解释为标记。<p></p> </code></pre></blockquote></div><div class="wt-content wt-comment-content hide pptcOriginalCommentContent_21834866"><p>Don't use <code>&lt;xmp&gt;</code>, <code>&lt;plaintext&gt;</code> and <code>&lt;listing&gt;</code>. Use as suggested by <a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/xmp" rel="nofollow noreferrer">MDN</a>:</p><blockquote><p>Use the <code>&lt;pre&gt;</code> element or, if semantically adequate, the <code>&lt;code&gt;</code> element instead. Note that you will need to escape the <code>&lt;</code> character as <code>&lt;</code> to make sure it is not interpreted as markup.</p></blockquote></div><div class="wt-comments-tools"><span class="wt-info-model"><a href="javascript:" class="reply_btn" data-post_id="7343971" data-post_type="topic" data-post_author="4036" data-comment_id="21834866" data-comment_author="木格"><i class="wjsp wjsp-huifu"></i> 回复 </a></span><span class="wt-info-model"><a href="javascript:" data-id="21834866" data-type="comment" data-count="" class="follow_btn"><i class="wjsp wjsp-wujiaoxing"></i> 收藏 0 </a></span><a class="wt-info-model topicOriginalBtn" data-long_text="1" data-content_class="pptcOriginalCommentContent_21834866" href="javascript:">原文 <i class="wjsp wjsp-xiangyou"></i></a></div></div></div><div class="wt-comments-item" id="comment-21834867"><div class="pull-left wt-avatar"><a href="https://www.wenjiangs.com/author/bw2iqqpg" rel="nofollow"><img src="https://www.wenjiangs.com/wp-content/uploads/avatar/q101801500629956.jpg" width="96" height="96"></a></div><div class="wt-comments-text"><div class="wt-comments-info"><span class="wt-info-model"><a href="https://www.wenjiangs.com/author/bw2iqqpg" rel="nofollow">奶气</a> </span><span class="wt-info-model">2024-11-01 21:58:45</span></div><div class="wt-content wt-comment-content"><p>为了以@mkluwe的答案为基础,这里有一个例子:</p><pre><code>&lt;html&gt; &lt;head&gt; &lt;script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"&gt; &lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;pre&gt; &lt;a href="http://localhost:3000/l/1/2/3" target="_blank"&gt; &lt;img src="http://localhost:3000/b/1/2/3/4" target="_blank"&gt; &lt;/a&gt; &lt;/pre&gt; &lt;script&gt; $( 'pre' ).text( $( 'pre' ).html() ); &lt;/script&gt; &lt;/body&gt; &lt;/html&gt; </code></pre></div><div class="wt-content wt-comment-content hide pptcOriginalCommentContent_21834867"><p>to build on @mkluwe's answer, here is an example:</p><pre><code>&lt;html&gt; &lt;head&gt; &lt;script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"&gt; &lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;pre&gt; &lt;a href="http://localhost:3000/l/1/2/3" target="_blank"&gt; &lt;img src="http://localhost:3000/b/1/2/3/4" target="_blank"&gt; &lt;/a&gt; &lt;/pre&gt; &lt;script&gt; $( 'pre' ).text( $( 'pre' ).html() ); &lt;/script&gt; &lt;/body&gt; &lt;/html&gt; </code></pre></div><div class="wt-comments-tools"><span class="wt-info-model"><a href="javascript:" class="reply_btn" data-post_id="7343971" data-post_type="topic" data-post_author="4036" data-comment_id="21834867" data-comment_author="奶气"><i class="wjsp wjsp-huifu"></i> 回复 </a></span><span class="wt-info-model"><a href="javascript:" data-id="21834867" data-type="comment" data-count="" class="follow_btn"><i class="wjsp wjsp-wujiaoxing"></i> 收藏 0 </a></span><a class="wt-info-model topicOriginalBtn" data-long_text="1" 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