W3C HTML 网页标准教程

HTML ASCII

HTML 和 XHTML 用标准的 7 比特 ASCII 代码在网络上传输数据。

7 比特 ASCII 代码可提供 128 个不同的字符值。

7 比特 可显示的 ASCII 代码

结果 描述 实体编号
  space  
! exclamation mark !
" quotation mark "
# number sign #
$ dollar sign $
% percent sign %
& ampersand &
' apostrophe '
( left parenthesis (
) right parenthesis )
* asterisk *
+ plus sign +
, comma ,
- hyphen -
. period .
/ slash /
0 digit 0 0
1 digit 1 1
2 digit 2 2
3 digit 3 3
4 digit 4 4
5 digit 5 5
6 digit 6 6
7 digit 7 7
8 digit 8 8
9 digit 9 9
: colon :
; semicolon &#59;
< less-than &#60;
= equals-to &#61;
> greater-than &#62;
? question mark &#63;
@ at sign &#64;
A uppercase A &#65;
B uppercase B &#66;
C uppercase C &#67;
D uppercase D &#68;
E uppercase E &#69;
F uppercase F &#70;
G uppercase G &#71;
H uppercase H &#72;
I uppercase I &#73;
J uppercase J &#74;
K uppercase K &#75;
L uppercase L &#76;
M uppercase M &#77;
N uppercase N &#78;
O uppercase O &#79;
P uppercase P &#80;
Q uppercase Q &#81;
R uppercase R &#82;
S uppercase S &#83;
T uppercase T &#84;
U uppercase U &#85;
V uppercase V &#86;
W uppercase W &#87;
X uppercase X &#88;
Y uppercase Y &#89;
Z uppercase Z &#90;
[ left square bracket &#91;
\ backslash &#92;
] right square bracket &#93;
^ caret &#94;
_ underscore &#95;
` grave accent &#96;
a lowercase a &#97;
b lowercase b &#98;
c lowercase c &#99;
d lowercase d &#100;
e lowercase e &#101;
f lowercase f &#102;
g lowercase g &#103;
h lowercase h &#104;
i lowercase i &#105;
j lowercase j &#106;
k lowercase k &#107;
l lowercase l &#108;
m lowercase m &#109;
n lowercase n &#110;
o lowercase o &#111;
p lowercase p &#112;
q lowercase q &#113;
r lowercase r &#114;
s lowercase s &#115;
t lowercase t &#116;
u lowercase u &#117;
v lowercase v &#118;
w lowercase w &#119;
x lowercase x &#120;
y lowercase y &#121;
z lowercase z &#122;
{ left curly brace &#123;
| vertical bar &#124;
} right curly brace &#125;
~ tilde &#126;

7 比特 设备控制 ASCII代码

ASCII设备控制代码最初被设计为用来控制诸如打印机和磁带驱动器之类的硬件设备。在HTML文档中这些代码不会起任何作用。

结果 描述 实体编号
NUL null character &#00;
SOH start of header &#01;
STX start of text &#02;
ETX end of text &#03;
EOT end of transmission &#04;
ENQ enquiry &#05;
ACK acknowledge &#06;
BEL bell (ring) &#07;
BS backspace &#08;
HT horizontal tab &#09;
LF line feed &#10;
VT vertical tab &#11;
FF form feed &#12;
CR carriage return &#13;
SO shift out &#14;
SI shift in &#15;
DLE data link escape &#16;
DC1 device control 1 &#17;
DC2 device control 2 &#18;
DC3 device control 3 &#19;
DC4 device control 4 &#20;
NAK negative acknowledge &#21;
SYN synchronize &#22;
ETB end transmission block &#23;
CAN cancel &#24;
EM end of medium &#25;
SUB substitute &#26;
ESC escape &#27;
FS file separator &#28;
GS group separator &#29;
RS record separator &#30;
US unit separator &#31;
DEL delete (rubout) &#127;