# 符号的 HTML 字符实体是什么？
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What's the HTML character entity for the # sign?
提问by chimerical
What's the HTML character entity for the # sign? I've looked around for "pound" (keeps returning the currency), and "hash" and "number", but what I try doesn't seem to turn into the right character.
# 符号的 HTML 字符实体是什么？我四处寻找“英镑”（不断返回货币）、“哈希”和“数字”，但我尝试的似乎没有变成正确的字符。
回答by BalusC
You can search it on the individual character at fileformat.info. Enter #as search string and the 1st hit will lead you to U+0023. Scroll a bit down to the 2nd table, Encodings, you'll see under each the following entries:
您可以在fileformat.info的单个字符上搜索它。输入#作为搜索字符串，第一次点击将引导您到U+0023。向下滚动到第二个表Encodings，您将在每个表下看到以下条目：
HTML Entity (decimal) # HTML Entity (hex) #
回答by acdcjunior
For #we have #.
因为#我们有#.
Bear in mind, though, it is a new entity (IE9 can't recognize it, for instance). For wide support, you'll have to resort, as said by others, the numerical references #and, in hex, #.
但请记住，它是一个新实体（例如，IE9 无法识别它）。为了获得广泛的支持，您将不得不求助于其他人所说的数字参考#和十六进制的#.
If you need to find out others, there are some very useful toolsaround.
如果您需要了解其他人，这里有一些非常有用的工具。
回答by David Cary
The "#" -- like most Unicode characters -- has no particular name assigned to it in the W3 list of "Character entity references" http://www.w3.org/TR/html4/sgml/entities.html. So in HTML it is either represented by itself as "#" or a numeric character entity "#" or "#" (without quotes), as described in "HTML Document Representation" http://www.w3.org/TR/html4/charset.html.
“#”——与大多数 Unicode 字符一样——在“字符实体引用”的 W3 列表中没有分配特定的名称 http://www.w3.org/TR/html4/sgml/entities.html。因此，在 HTML 中，它要么由自身表示为“#”，要么表示为数字字符实体“#” 或“#” （不带引号），如“HTML 文档表示” http://www.w3.org/TR/html4/charset.html 中所述。
Alas, all three of these are useless for escaping it in a URL. To transmit a "#" character to the web server in a URL, you want to use "URL encoding" aka "percent encoding" as described in RFC 3986, and replace each "#" with a "%23" (without quotes).
唉，所有这三个对于在 URL 中转义它都是无用的。要将“#”字符传输到 URL 中的 Web 服务器，您需要使用“URL 编码”，即 RFC 3986 中所述的“百分比编码”，并将每个“#”替换为“%23”（不带引号） .
回答by Guffa
There is no HTML character entity for the #character, as the character has no special meaning in HTML.
字符没有 HTML 字符实体#，因为字符在 HTML 中没有特殊含义。
You have to use a character code entity like #if you wish to HTML encode it for some reason.
您必须使用字符代码实体，就像#您出于某种原因希望对它进行 HTML 编码一样。
回答by whatsisname
# or #
http://www.asciitable.com/has information. Wikipedia also has pages for most unicode characters.
http://www.asciitable.com/有信息。维基百科也有大多数 unicode 字符的页面。
回答by Matthew Flaschen
The numerical reference is #.
参考数字是#。
回答by Matthew Flaschen
# is the best option because it is the only one that doesn't include the # (hash) in it. Supported by old browsers or not, it is the best practice going forward.
# 是最好的选择，因为它是唯一不包含 #（哈希）的选项。无论旧浏览器是否支持，这是未来的最佳实践。
(What is the point of encoding something using the same symbol you are encoding?)
（使用您正在编码的相同符号对某些内容进行编码有什么意义？）
