HTML字符實體(Character Entities)
有些字符在HTML里有特別的含義,比如小于號<就表示HTML Tag的開始,這個小于號是不顯示在我們最終看到的網頁里的。那如果我們希望在網頁中顯示一個小于號,該怎么辦呢?
這就要說到HTML字符實體(HTML Character Entities)了。
一個字符實體(Character Entity)分成三部分:第一部分是一個&符號,英文叫ampersand;第二部分是實體(Entity)名字或者是#加上實體(Entity)編號;第三部分是一個分號。
比如,要顯示小于號,就可以寫<或者<。
用實體(Entity)名字的好處是比較好理解,一看lt,大概就猜出是less than的意思,但是其劣勢在于并不是所有的瀏覽器都支持最新的Entity名字。而實體(Entity)編號,各種瀏覽器都能處理。
注意:Entity是區分大小寫的。
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如何顯示空格
通常情況下,HTML會自動截去多余的空格。不管你加多少空格,都被看做一個空格。比如你在兩個字之間加了10個空格,HTML會截去9個空格,只保留一個。為了在網頁中增加空格,你可以使用 表示空格。
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最常用的字符實體(Character Entities)
顯示結果 | 說明 | Entity Name | Entity Number |
? | 顯示一個空格 | |   |
< | 小于 | < | < |
> | 大于 | > | > |
& | &符號 | & | & |
" | 雙引號 | " | " |
其他常用的字符實體(Character Entities)
顯示結果 | 說明 | Entity Name | Entity Number |
? | 版權 | © | © |
? | 注冊商標 | ® | ® |
× | 乘號 | × | × |
÷ | 除號 | ÷ | ÷ |
更多字符實體(Character Entities)
字符 | 十進制字符編號 | 實體名字 | 說明 |
--- | � | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- | 	 | --- | 制表符Horizontal tab |
--- | | --- | 換行Line feed |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- | | --- | 回車Carriage Return |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
--- |  | --- | 未使用Unused |
? |   | --- | Space |
! | ! | --- | 驚嘆號Exclamation mark |
" | " | " | 雙引號Quotation mark |
# | # | --- | 數字標志Number sign |
$ | $ | --- | 美元標志Dollar sign |
% | % | --- | 百分號Percent sign |
& | & | & | Ampersand |
' | ' | --- | 單引號Apostrophe |
( | ( | --- | 小括號左邊部分Left parenthesis |
) | ) | --- | 小括號右邊部分Right parenthesis |
* | * | --- | 星號Asterisk |
+ | + | --- | 加號Plus sign |
, | , | --- | 逗號Comma |
- | - | --- | 連字號Hyphen |
. | . | --- | 句號Period (fullstop) |
/ | / | --- | 斜杠Solidus (slash) |
0 | 0 | --- | 數字0 Digit 0 |
1 | 1 | --- | 數字1 Digit 1 |
2 | 2 | --- | 數字2 Digit 2 |
3 | 3 | --- | 數字3 Digit 3 |
4 | 4 | --- | 數字4 Digit 4 |
5 | 5 | --- | 數字5 Digit 5 |
6 | 6 | --- | 數字6 Digit 6 |
7 | 7 | --- | 數字7 Digit 7 |
8 | 8 | --- | 數字8 Digit 8 |
9 | 9 | --- | 數字9 Digit 9 |
: | : | --- | 冒號Colon |
; | ; | --- | 分號Semicolon |
< | < | < | 小于號Less than |
= | = | --- | 等于符號Equals sign |
> | > | > | 大于號Greater than |
? | ? | --- | 問號Question mark |
@ | @ | --- | Commercial at |
A | A | --- | 大寫A Capital A |
B | B | --- | 大寫B Capital B |
C | C | --- | 大寫C Capital C |
D | D | --- | 大寫D Capital D |
E | E | --- | 大寫E Capital E |
F | F | --- | 大寫F Capital F |
G | G | --- | 大寫G Capital G |
H | H | --- | 大寫H Capital H |
I | I | --- | 大寫J Capital I |
J | J | --- | 大寫K Capital J |
K | K | --- | 大寫L Capital K |
L | L | --- | 大寫K Capital L |
M | M | --- | 大寫M Capital M |
N | N | --- | 大寫N Capital N |
O | O | --- | 大寫O Capital O |
P | P | --- | 大寫P Capital P |
Q | Q | --- | 大寫Q Capital Q |
R | R | --- | 大寫R Capital R |
S | S | --- | 大寫S Capital S |
T | T | --- | 大寫T Capital T |
U | U | --- | 大寫U Capital U |
V | V | --- | 大寫V Capital V |
W | W | --- | 大寫W Capital W |
X | X | --- | 大寫X Capital X |
Y | Y | --- | 大寫Y Capital Y |
Z | Z | --- | 大寫Z Capital Z |
[ | [ | --- | 中括號左邊部分Left square bracket |
\ | \ | --- | 反斜杠Reverse solidus (backslash) |
] | ] | --- | 中括號右邊部分Right square bracket |
^ | ^ | --- | Caret |
_ | _ | --- | 下劃線Horizontal bar (underscore) |
` | ` | --- | 尖重音符Acute accent |
a | a | --- | 小寫a Small a |
b | b | --- | 小寫b Small b |
c | c | --- | 小寫c Small c |
d | d | --- | 小寫d Small d |
e | e | --- | 小寫e Small e |
f | f | --- | 小寫f Small f |
g | g | --- | 小寫g Small g |
h | h | --- | 小寫h Small h |
i | i | --- | 小寫i Small i |
j | j | --- | 小寫j Small j |
k | k | --- | 小寫k Small k |
l | l | --- | 小寫l Small l |
m | m | --- | 小寫m Small m |
n | n | --- | 小寫n Small n |
o | o | --- | 小寫o Small o |
p | p | --- | 小寫p Small p |
q | q | --- | 小寫q Small q |
r | r | --- | 小寫r Small r |
s | s | --- | 小寫s Small s |
t | t | --- | 小寫t Small t |
u | u | --- | 小寫u Small u |
v | v | --- | 小寫v Small v |
w | w | --- | 小寫w Small w |
x | x | --- | 小寫x Small x |
y | y | --- | 小寫y Small y |
z | z | --- | 小寫z Small z |
{ | { | --- | 大括號左邊部分Left curly brace |
| | | | --- | 豎線Vertical bar |
} | } | --- | 大括號右邊部分Right curly brace |
~ | ~ | --- | Tilde |
--- |  | --- | 未使用Unused |
? |   | | 空格Nonbreaking space |
? | ¡ | ¡ | Inverted exclamation |
¢ | ¢ | ¢ | 貨幣分標志Cent sign |
£ | £ | £ | 英鎊標志Pound sterling |
¤ | ¤ | ¤ | 通用貨幣標志General currency sign |
¥ | ¥ | ¥ | 日元標志Yen sign |
| | ¦ | ¦ or &brkbar; | 斷豎線Broken vertical bar |
§ | § | § | 分節號Section sign |
¨ | ¨ | ¨ or ¨ | 變音符號Umlaut |
? | © | © | 版權標志Copyright |
a | ª | ª | Feminine ordinal |
? | « | « | Left angle quote, guillemet left |
? | ¬ | ¬ | Not sign |
- | ­ | ­ | Soft hyphen |
? | ® | ® | 注冊商標標志Registered trademark |
ˉ | ¯ | ¯ or &hibar; | 長音符號Macron accent |
° | ° | ° | 度數標志Degree sign |
± | ± | ± | 加或減Plus or minus |
2 | ² | ² | 上標2 Superscript two |
3 | ³ | ³ | 上標3 Superscript three |
′ | ´ | ´ | 尖重音符Acute accent |
μ | µ | µ | Micro sign |
? | ¶ | ¶ | Paragraph sign |
· | · | · | Middle dot |
? | ¸ | ¸ | Cedilla |
1 | ¹ | ¹ | 上標1 Superscript one |
o | º | º | Masculine ordinal |
? | » | » | Right angle quote, guillemet right |
? | ¼ | ¼ | 四分之一Fraction one-fourth |
? | ½ | ½ | 二分之一Fraction one-half |
? | ¾ | ¾ | 四分之三Fraction three-fourths |
? | ¿ | ¿ | Inverted question mark |
à | À | À | Capital A, grave accent |
á | Á | Á | Capital A, acute accent |
? | Â | Â | Capital A, circumflex |
? | Ã | Ã | Capital A, tilde |
? | Ä | Ä | Capital A, di?esis / umlaut |
? | Å | Å | Capital A, ring |
? | Æ | Æ | Capital AE ligature |
? | Ç | Ç | Capital C, cedilla |
è | È | È | Capital E, grave accent |
é | É | É | Capital E, acute accent |
ê | Ê | Ê | Capital E, circumflex |
? | Ë | Ë | Capital E, di?esis / umlaut |
ì | Ì | Ì | Capital I, grave accent |
í | Í | Í | Capital I, acute accent |
? | Î | Î | Capital I, circumflex |
? | Ï | Ï | Capital I, di?esis / umlaut |
D | Ð | Ð | Capital Eth, Icelandic |
? | Ñ | Ñ | Capital N, tilde |
ò | Ò | Ò | Capital O, grave accent |
ó | Ó | Ó | Capital O, acute accent |
? | Ô | Ô | Capital O, circumflex |
? | Õ | Õ | Capital O, tilde |
? | Ö | Ö | Capital O, di?esis / umlaut |
× | × | × | 乘號Multiply sign |
? | Ø | Ø | Capital O, slash |
ù | Ù | Ù | Capital U, grave accent |
ú | Ú | Ú | Capital U, acute accent |
? | Û | Û | Capital U, circumflex |
ü | Ü | Ü | Capital U, di?esis / umlaut |
Y | Ý | Ý | Capital Y, acute accent |
T | Þ | Þ | Capital Thorn, Icelandic |
? | ß | ß | Small sharp s, German sz |
à | à | à | Small a, grave accent |
á | á | á | Small a, acute accent |
a | â | â | Small a, circumflex |
? | ã | ã | Small a, tilde |
? | ä | ä | Small a, di?esis / umlaut |
? | å | å | Small a, ring |
? | æ | æ | Small ae ligature |
? | ç | ç | Small c, cedilla |
è | è | è | Small e, grave accent |
é | é | é | Small e, acute accent |
ê | ê | ê | Small e, circumflex |
? | ë | ë | Small e, di?esis / umlaut |
ì | ì | ì | Small i, grave accent |
í | í | í | Small i, acute accent |
? | î | î | Small i, circumflex |
? | ï | ï | Small i, di?esis / umlaut |
e | ð | ð | Small eth, Icelandic |
? | ñ | ñ | Small n, tilde |
ò | ò | ò | Small o, grave accent |
ó | ó | ó | Small o, acute accent |
? | ô | ô | Small o, circumflex |
? | õ | õ | Small o, tilde |
? | ö | ö | Small o, di?esis / umlaut |
÷ | ÷ | ÷ | 除號Division sign |
? | ø | ø | Small o, slash |
ù | ù | ù | Small u, grave accent |
ú | ú | ú | Small u, acute accent |
? | û | û | Small u, circumflex |
ü | ü | ü | Small u, di?esis / umlaut |
y | ý | ý | Small y, acute accent |
t | þ | þ | Small thorn, Icelandic |
? | ÿ | ÿ | Small y, umlaut |