blocks|key|2540382|text|我发现Google是查找Unicode字符的最佳方式。然而，我没有发现看到任何有用的关键符号。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2540383|如果您希望以视觉方式进行搜索，请使用PDF+charts，因为HTML-based+listings将只显示在您已安装的特定字体集中出现的符号。|2540384|由于缺少任何特定的符号，我只使用"I“表示索引，使用"PK”表示主键。|2540385|entityMap|0|LINK|mutability|MUTABLE|url|http://www.google.com/search?q=unicode%2B%2522not%2Bequal%2522|1|http://www.unicode.org/charts/PDF/|2|http://www.tamasoft.co.jp/en/general-info/unicode.html^0|3|6|0|0|I|A|1|V|J|2|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@$A|U|B|V|1|W]]|C|$]]|$1|D|3|E|5|6|7|X|8|@]|9|@$A|Y|B|Z|1|10]|$A|11|B|12|1|13]]|C|$]]|$1|F|3|G|5|6|7|14|8|@]|9|@]|C|$]]|$1|H|3|-4|5|6|7|15|8|@]|9|@]|C|$]]]|I|$J|$5|K|L|M|C|$N|O]]|P|$5|K|L|M|C|$N|Q]]|R|$5|K|L|M|C|$N|S]]]]

I've found <a href="http://www.google.com/search?q=unicode+%22not+equal%22" rel="nofollow noreferrer">Google</a> to be the best way to find Unicode characters. I didn't find see anything useful for a key symbol, however.

If you want to search visually, use the <a href="http://www.unicode.org/charts/PDF/" rel="nofollow noreferrer">PDF charts</a>, since <a href="http://www.tamasoft.co.jp/en/general-info/unicode.html" rel="nofollow noreferrer">HTML-based listings</a> will only show symbols that occur in the particular set of fonts you have installed.

Lacking any specific symbol, I would just use "I" to indicate an index and "PK" for a primary key.

blocks|key|2751511|text|我浏览了所有的符号(使用我前段时间创建的PHP脚本)，但看不到关键符号。您可以尝试以下方法之一：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2751512|一个看起来像数学的P：|2751513|#8473(ℙ)|offset|length|style|CODE|2751514|各种星形：|2751515|#9733(★)|2751516|#9734(☆)|2751517|#10038(✶)|2751518|entityMap^0|0|0|0|5|0|0|0|5|0|0|5|0|0|6|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|U|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|V|8|@$F|W|G|X|H|I]]|9|@]|A|$]]|$1|J|3|K|5|6|7|Y|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|Z|8|@$F|10|G|11|H|I]]|9|@]|A|$]]|$1|N|3|O|5|6|7|12|8|@$F|13|G|14|H|I]]|9|@]|A|$]]|$1|P|3|Q|5|6|7|15|8|@$F|16|G|17|H|I]]|9|@]|A|$]]|$1|R|3|-4|5|6|7|18|8|@]|9|@]|A|$]]]|S|$]]

I browsed through all the symbols (using a PHP script I created a while back) and can't see a key symbol. You could try one of these:

A mathematic-looking P: 
ℙ (<code>#8473</code>)

Various star shapes: 
★ (<code>#9733</code>) 
☆ (<code>#9734</code>) 
✶ (<code>#10038</code>)

blocks|key|2751525|text|似乎没有一个unicode字符符合您的描述，但如果您可以在您的情况下使用图标，我建议您使用famfamfam的silk+icon+set+--只是建议:P|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2751526|entityMap|0|LINK|mutability|MUTABLE|url|http://www.famfamfam.com/lab/icons/silk/^0|1J|D|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

There doesn't seem to be a unicode character that fits your description, but I'd recommend the <a href="http://www.famfamfam.com/lab/icons/silk/" rel="nofollow noreferrer">silk icon set</a> by famfamfam if you can use icons in your situation--just a suggestion :P

blocks|key|54435|text|我使用了一个小Python+3脚本来查看，我找到的最接近的脚本没有在这里为我显示(确实显示在我的机器上的Idle中)，但它是：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|54436|9897+⚩+HORIZONTAL+MALE+WITH+STROKE+SIGN|code-block|syntax|javascript|54437|(看起来像一个指向右侧的男性标志，在箭头和圆圈之间添加了垂直笔划)|54438|我使用Python的unicodedata模块在unicode名称中搜索了各种匹配项，比如"KEY“和"LOCK”，但没有找到。|54439|编辑以添加-啊哈-一个看起来更像钥匙的：|54440|9911+⚷+CHIRON|54441|​|54442|📷|atomic|offset|length|54443|54444|我给出了上述两个代码点的十进制形式。要查看它们及其十六进制代码，请转到此链接：|54445|http://www.unicode.org/charts/PDF/U2600.pdf|54446|见26B7，特别是Chiron。|54447|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/642e890c7ca62635e272bf2141bb32ac.png|imageAlt|1|LINK|MUTABLE|url^0|0|0|0|0|0|0|0|0|1|0|0|0|0|0|17|1|0|0^^$0|@$1|2|3|4|5|6|7|1F|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|1G|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|1H|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|1I|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|1J|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|1K|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|1L|8|@]|9|@]|A|$]]|$1|Q|3|R|5|S|7|1M|8|@]|9|@$T|1N|U|1O|1|1P]]|A|$]]|$1|V|3|P|5|6|7|1Q|8|@]|9|@]|A|$]]|$1|W|3|X|5|6|7|1R|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|6|7|1S|8|@]|9|@$T|1T|U|1U|1|1V]]|A|$]]|$1|10|3|11|5|6|7|1W|8|@]|9|@]|A|$]]|$1|12|3|-4|5|6|7|1X|8|@]|9|@]|A|$]]]|13|$14|$5|15|16|17|A|$18|19|1A|-4]]|1B|$5|1C|16|1D|A|$1E|Z]]]]

I used a little Python 3 script to look, and the closest I found does not display here for me (does display in Idle on my machine), but it is:

<pre><code>9897 ⚩ HORIZONTAL MALE WITH STROKE SIGN
</code></pre>

(Looks like a male sign pointed right with a perpendicular stroke added between the arrow and circle)

I searched for various matches like "KEY" and "LOCK" in the unicode names using Python's unicodedata module and no luck there. 

Editing to add - Ah hah - one that looks even more like a key:

<pre><code>9911 ⚷ CHIRON
</code></pre>

<img src="https://i.stack.imgur.com/geCu8.png" alt="enter image description here">

I give both of the above code points in decimal. To see them and their hex codes, go to this link:

<a href="http://www.unicode.org/charts/PDF/U2600.pdf" rel="noreferrer">http://www.unicode.org/charts/PDF/U2600.pdf</a>

See 26B7 in particular for the Chiron.

blocks|key|54449|text|看看#26bf。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|54450|9919+⚿+SQUARED+KEY+(HTML:+&#9919;)|code-block|syntax|javascript|54451|是父母锁，是方块里的钥匙。它是一个较新的Unicode规范，所以标准字体不支持它，但是如果你能找到一种有它的字体，你就不用担心了。|54452|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

Check out #26bf.

<pre><code>9919 ⚿ SQUARED KEY (HTML: &amp;#9919;)
</code></pre>

It's the parental lock, which is a key inside a square. It's a newer Unicode specification so standard fonts don't support it, but if you can find a font that has it, you're home free.

blocks|key|54489|text|U%2B1F511+KEY+(十进制128273)|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|54490|另外：|54491|U%2B1F5DD+(十进制：🗝)+OLD+KEY|54492|U%2B26BF⚿SQUARED+KEY|54493|U%2B1F510+CLOSED+LOCK+WITH+KEY|54494|U%2B1F512+LOCK|54495|U%2B1F513+OPEN+LOCK|54496|U%2B1F50F+LOCK+WITH+INK+PEN|54497|​|54498|📷|atomic|54499|54500|entityMap|0|LINK|mutability|MUTABLE|url|http://www.fileformat.info/info/unicode/char/1f511/index.htm|1|http://www.fileformat.info/info/unicode/char/1f5dd/index.htm|2|http://www.fileformat.info/info/unicode/char/26bf/index.htm|3|http://www.fileformat.info/info/unicode/char/1f510/index.htm|4|http://www.fileformat.info/info/unicode/char/1f512/index.htm|5|http://www.fileformat.info/info/unicode/char/1f513/index.htm|6|http://www.fileformat.info/info/unicode/char/1f50f/index.htm|7|IMAGE|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/698c810e51dc272c7365abede8d1259b.png|imageAlt^0|8|3|0|0|0|G|7|1|0|7|B|2|0|8|K|3|0|8|4|4|0|8|9|5|0|8|H|6|0|0|0|1|7|0|0^^$0|@$1|2|3|4|5|6|7|1N|8|@]|9|@$A|1O|B|1P|1|1Q]]|C|$]]|$1|D|3|E|5|6|7|1R|8|@]|9|@]|C|$]]|$1|F|3|G|5|6|7|1S|8|@]|9|@$A|1T|B|1U|1|1V]]|C|$]]|$1|H|3|I|5|6|7|1W|8|@]|9|@$A|1X|B|1Y|1|1Z]]|C|$]]|$1|J|3|K|5|6|7|20|8|@]|9|@$A|21|B|22|1|23]]|C|$]]|$1|L|3|M|5|6|7|24|8|@]|9|@$A|25|B|26|1|27]]|C|$]]|$1|N|3|O|5|6|7|28|8|@]|9|@$A|29|B|2A|1|2B]]|C|$]]|$1|P|3|Q|5|6|7|2C|8|@]|9|@$A|2D|B|2E|1|2F]]|C|$]]|$1|R|3|S|5|6|7|2G|8|@]|9|@]|C|$]]|$1|T|3|U|5|V|7|2H|8|@]|9|@$A|2I|B|2J|1|2K]]|C|$]]|$1|W|3|S|5|6|7|2L|8|@]|9|@]|C|$]]|$1|X|3|-4|5|6|7|2M|8|@]|9|@]|C|$]]]|Y|$Z|$5|10|11|12|C|$13|14]]|15|$5|10|11|12|C|$13|16]]|17|$5|10|11|12|C|$13|18]]|19|$5|10|11|12|C|$13|1A]]|1B|$5|10|11|12|C|$13|1C]]|1D|$5|10|11|12|C|$13|1E]]|1F|$5|10|11|12|C|$13|1G]]|1H|$5|1I|11|1J|C|$1K|1L|1M|-4]]]]

U+1F511 <a href="http://www.fileformat.info/info/unicode/char/1f511/index.htm" rel="noreferrer">KEY</a>
(128273 decimal)

Also:

U+1F5DD (Decimal: &amp;#128477;) <a href="http://www.fileformat.info/info/unicode/char/1f5dd/index.htm" rel="noreferrer">OLD KEY</a>

U+26BF ⚿ <a href="http://www.fileformat.info/info/unicode/char/26bf/index.htm" rel="noreferrer">SQUARED KEY</a>

U+1F510 <a href="http://www.fileformat.info/info/unicode/char/1f510/index.htm" rel="noreferrer">CLOSED LOCK WITH KEY</a>

U+1F512 <a href="http://www.fileformat.info/info/unicode/char/1f512/index.htm" rel="noreferrer">LOCK</a>

U+1F513 <a href="http://www.fileformat.info/info/unicode/char/1f513/index.htm" rel="noreferrer">OPEN LOCK</a>

U+1F50F <a href="http://www.fileformat.info/info/unicode/char/1f50f/index.htm" rel="noreferrer">LOCK WITH INK PEN</a>

<img src="https://i.stack.imgur.com/LmEcV.png" alt="key and lock symbols">

blocks|key|54477|text|为了找到有用的符号，我有这个资源：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|54478|http://shapecatcher.com|offset|length|54479|允许您绘制形状，然后它会搜索形状相似的unicode符号。|54480|这些天我经常使用shapecatcher，只是因为它是一个有趣的休息，仅仅是为了能够绘制你想要的形状，并让网站为你拉出它。至少，有时它会把它拉起来。|54481|其他。符号块|54482|http://shapecatcher.com/unicode/block/Miscellaneous_Symbols_And_Pictographs也是unicode符号的一个很好的类别，尽管与所有unicode一样，您可能需要测试兼容性。|54483|我在这里的回答重复了这一点，因为我认为除了我之外，这种方法对其他人也很有用：What+Unicode+character+do+you+use+in+your+website?+(instead+of+image+icons)|54484|entityMap|0|LINK|mutability|MUTABLE|url|http://shapecatcher.com/|1|http://shapecatcher.com/unicode/block/Miscellaneous_Symbols_And_Pictographs|2|https://stackoverflow.com/questions/1342103/what-unicode-character-do-you-use-in-your-website-instead-of-image-icons/13693154#13693154^0|0|0|N|0|0|0|0|0|0|23|1|0|12|23|2|0^^$0|@$1|2|3|4|5|6|7|11|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|12|8|@]|9|@$D|13|E|14|1|15]]|A|$]]|$1|F|3|G|5|6|7|16|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|17|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|18|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|19|8|@]|9|@$D|1A|E|1B|1|1C]]|A|$]]|$1|N|3|O|5|6|7|1D|8|@]|9|@$D|1E|E|1F|1|1G]]|A|$]]|$1|P|3|-4|5|6|7|1H|8|@]|9|@]|A|$]]]|Q|$R|$5|S|T|U|A|$V|W]]|X|$5|S|T|U|A|$V|Y]]|Z|$5|S|T|U|A|$V|10]]]]

To find useful symbols, I have this resource:

<h2><a href="http://shapecatcher.com" rel="noreferrer">http://shapecatcher.com</a></h2>

Allows you to draw a shape, which it then searches for similarly shaped unicode symbols.

I often end up using shapecatcher these days just because it's a fun break just to be able to draw the shape that you want and have the site pull it up for you. At least, sometimes it will pull it up.

<h2>Misc. Symbols Blocks</h2>

<a href="http://shapecatcher.com/unicode/block/Miscellaneous_Symbols_And_Pictographs" rel="noreferrer">http://shapecatcher.com/unicode/block/Miscellaneous_Symbols_And_Pictographs</a> is also a great category of unicode symbols, though as with all unicode, you may have to test compatibility.

This is duplicated from my answer here because I think the approach will be useful to others besides just me: <a href="https://stackoverflow.com/questions/1342103/what-unicode-character-do-you-use-in-your-website-instead-of-image-icons/13693154#13693154">What Unicode character do you use in your website? (instead of image icons)</a>

Unicode has a million icon-like glyphs, but they're not always easy to search by, since I don't always know what they look like.

Is there a Unicode glyph that looks like a "key"? Or is there a symbol that's used in database circles to mean "primary key", which is in Unicode?

Is there a Unicode glyph that looks like a "key" icon?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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Unicode有一百万个类似图标的字形，但它们并不总是很容易搜索，因为我并不总是知道它们是什么样子。有没有看起来像"key“的Unicode字形？或者，在数据库圈中是否有一个符号用来表示Unicode中的“主键”？

问有没有看起来像“键”图标的Unicode字形？
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问有没有看起来像“键”图标的Unicode字形？EN

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问有没有看起来像“键”图标的Unicode字形？
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