标签：style http 使用 strong 文件 width
在计算机中，所有的数据在存储和运算时都要使用二进制数表示（因为计算机用高电平和低电平分别表示1和0），例如，像a、b、c、d这样的52个字母（包括大写）、以及0、1等数字还有一些常用的符号（例如*、#、@等）在计算机中存储时也要使用二进制数来表示，而具体用哪些二进制数字表示哪个符号，当然每个人都可以约定自己的一套（这就叫编码），而大家如果要想互相通信而不造成混乱，那么大家就必须使用相同的编码规则，于是美国有关的标准化组织就出台了ASCII编码，统一规定了上述常用符号用哪些二进制数来表示。
|
Bin
|
Dec
|
Hex
|
缩写/字符
|
解释
|
|
|
0000 0000
|
0
|
00
|
NUL(null)
|
空字符
|
|
|
0000 0001
|
1
|
01
|
SOH(start of headline)
|
标题开始
|
|
|
0000 0010
|
2
|
02
|
STX (start of text)
|
正文开始
|
|
|
0000 0011
|
3
|
03
|
ETX (end of text)
|
正文结束
|
|
|
0000 0100
|
4
|
04
|
EOT (end of transmission)
|
传输结束
|
|
|
0000 0101
|
5
|
05
|
ENQ (enquiry)
|
请求
|
|
|
0000 0110
|
6
|
06
|
ACK (acknowledge)
|
收到通知
|
|
|
0000 0111
|
7
|
07
|
BEL (bell)
|
响铃
|
|
|
0000 1000
|
8
|
08
|
BS (backspace)
|
退格
|
|
|
0000 1001
|
9
|
09
|
HT (horizontal tab)
|
水平制表符
|
|
|
0000 1010
|
10
|
0A
|
LF (NL line feed, new line)
|
换行键
|
|
|
0000 1011
|
11
|
0B
|
VT (vertical tab)
|
垂直制表符
|
|
|
0000 1100
|
12
|
0C
|
FF (NP form feed, new page)
|
换页键
|
|
|
0000 1101
|
13
|
0D
|
CR (carriage return)
|
回车键
|
|
|
0000 1110
|
14
|
0E
|
SO (shift out)
|
不用切换
|
|
|
0000 1111
|
15
|
0F
|
SI (shift in)
|
启用切换
|
|
|
0001 0000
|
16
|
10
|
DLE (data link escape)
|
数据链路转义
|
|
|
0001 0001
|
17
|
11
|
DC1 (device control 1)
|
设备控制1
|
|
|
0001 0010
|
18
|
12
|
DC2 (device control 2)
|
设备控制2
|
|
|
0001 0011
|
19
|
13
|
DC3 (device control 3)
|
设备控制3
|
|
|
0001 0100
|
20
|
14
|
DC4 (device control 4)
|
设备控制4
|
|
|
0001 0101
|
21
|
15
|
NAK (negative acknowledge)
|
拒绝接收
|
|
|
0001 0110
|
22
|
16
|
SYN (synchronous idle)
|
同步空闲
|
|
|
0001 0111
|
23
|
17
|
ETB (end of trans. block)
|
传输块结束
|
|
|
0001 1000
|
24
|
18
|
CAN (cancel)
|
取消
|
|
|
0001 1001
|
25
|
19
|
EM (end of medium)
|
介质中断
|
|
|
0001 1010
|
26
|
1A
|
SUB (substitute)
|
替补
|
|
|
0001 1011
|
27
|
1B
|
ESC (escape)
|
换码(溢出)
|
|
|
0001 1100
|
28
|
1C
|
FS (file separator)
|
文件分割符
|
|
|
0001 1101
|
29
|
1D
|
GS (group separator)
|
分组符
|
|
|
0001 1110
|
30
|
1E
|
RS (record separator)
|
记录分离符
|
|
|
0001 1111
|
31
|
1F
|
US (unit separator)
|
单元分隔符
|
|
|
0010 0000
|
32
|
20
|
(space)
|
空格
|
|
|
0010 0001
|
33
|
21
|
!
|
||
|
0010 0010
|
34
|
22
|
"
|
||
|
0010 0011
|
35
|
23
|
#
|
||
|
0010 0100
|
36
|
24
|
$
|
||
|
0010 0101
|
37
|
25
|
%
|
||
|
0010 0110
|
38
|
26
|
&
|
||
|
0010 0111
|
39
|
27
|
‘
|
||
|
0010 1000
|
40
|
28
|
(
|
||
|
0010 1001
|
41
|
29
|
)
|
||
|
0010 1010
|
42
|
2A
|
*
|
||
|
0010 1011
|
43
|
2B
|
+
|
||
|
0010 1100
|
44
|
2C
|
,
|
||
|
0010 1101
|
45
|
2D
|
-
|
||
|
0010 1110
|
46
|
2E
|
.
|
||
|
00101111
|
47
|
2F
|
/
|
||
|
00110000
|
48
|
30
|
0
|
||
|
00110001
|
49
|
31
|
1
|
||
|
00110010
|
50
|
32
|
2
|
||
|
00110011
|
51
|
33
|
3
|
||
|
00110100
|
52
|
34
|
4
|
||
|
00110101
|
53
|
35
|
5
|
||
|
00110110
|
54
|
36
|
6
|
||
|
00110111
|
55
|
37
|
7
|
||
|
00111000
|
56
|
38
|
8
|
||
|
00111001
|
57
|
39
|
9
|
||
|
00111010
|
58
|
3A
|
:
|
||
|
00111011
|
59
|
3B
|
;
|
||
|
00111100
|
60
|
3C
|
<
|
||
|
00111101
|
61
|
3D
|
=
|
||
|
00111110
|
62
|
3E
|
>
|
||
|
00111111
|
63
|
3F
|
?
|
||
|
01000000
|
64
|
40
|
@
|
||
|
01000001
|
65
|
41
|
A
|
||
|
01000010
|
66
|
42
|
B
|
||
|
01000011
|
67
|
43
|
C
|
||
|
01000100
|
68
|
44
|
D
|
||
|
01000101
|
69
|
45
|
E
|
||
|
01000110
|
70
|
46
|
F
|
||
|
01000111
|
71
|
47
|
G
|
||
|
01001000
|
72
|
48
|
H
|
||
|
01001001
|
73
|
49
|
I
|
||
|
01001010
|
74
|
4A
|
J
|
||
|
01001011
|
75
|
4B
|
K
|
||
|
01001100
|
76
|
4C
|
L
|
||
|
01001101
|
77
|
4D
|
M
|
||
|
01001110
|
78
|
4E
|
N
|
||
|
01001111
|
79
|
4F
|
O
|
||
|
01010000
|
80
|
50
|
P
|
||
|
01010001
|
81
|
51
|
Q
|
||
|
01010010
|
82
|
52
|
R
|
||
|
01010011
|
83
|
53
|
S
|
||
|
01010100
|
84
|
54
|
T
|
||
|
01010101
|
85
|
55
|
U
|
||
|
01010110
|
86
|
56
|
V
|
||
|
01010111
|
87
|
57
|
W
|
||
|
01011000
|
88
|
58
|
X
|
||
|
01011001
|
89
|
59
|
Y
|
||
|
01011010
|
90
|
5A
|
Z
|
||
|
01011011
|
91
|
5B
|
[
|
||
|
01011100
|
92
|
5C
|
\
|
||
|
01011101
|
93
|
5D
|
]
|
||
|
01011110
|
94
|
5E
|
^
|
||
|
01011111
|
95
|
5F
|
_
|
||
|
01100000
|
96
|
60
|
`
|
||
|
01100001
|
97
|
61
|
a
|
||
|
01100010
|
98
|
62
|
b
|
||
|
01100011
|
99
|
63
|
c
|
||
|
01100100
|
100
|
64
|
d
|
||
|
01100101
|
101
|
65
|
e
|
||
|
01100110
|
102
|
66
|
f
|
||
|
01100111
|
103
|
67
|
g
|
||
|
01101000
|
104
|
68
|
h
|
||
|
01101001
|
105
|
69
|
i
|
||
|
01101010
|
106
|
6A
|
j
|
||
|
01101011
|
107
|
6B
|
k
|
||
|
01101100
|
108
|
6C
|
l
|
||
|
01101101
|
109
|
6D
|
m
|
||
|
01101110
|
110
|
6E
|
n
|
||
|
01101111
|
111
|
6F
|
o
|
||
|
01110000
|
112
|
70
|
p
|
||
|
01110001
|
113
|
71
|
q
|
||
|
01110010
|
114
|
72
|
r
|
||
|
01110011
|
115
|
73
|
s
|
||
|
01110100
|
116
|
74
|
t
|
||
|
01110101
|
117
|
75
|
u
|
||
|
01110110
|
118
|
76
|
v
|
||
|
01110111
|
119
|
77
|
w
|
||
|
01111000
|
120
|
78
|
x
|
||
|
01111001
|
121
|
79
|
y
|
||
|
01111010
|
122
|
7A
|
z
|
||
|
01111011
|
123
|
7B
|
{
|
||
|
01111100
|
124
|
7C
|
|
|
||
|
01111101
|
125
|
7D
|
}
|
||
|
01111110
|
126
|
7E
|
~
|
||
|
01111111
|
127
|
7F
|
DEL (delete)
|
删除
|
|
|
八进制
|
十六进制
|
十进制
|
字符
|
八进制
|
十六进制
|
十进制
|
字符
|
|
0
|
0
|
0
|
nul
|
100
|
40
|
64
|
@
|
|
1
|
1
|
1
|
soh
|
101
|
41
|
65
|
A
|
|
2
|
2
|
2
|
stx
|
102
|
42
|
66
|
B
|
|
3
|
3
|
3
|
etx
|
103
|
43
|
67
|
C
|
|
4
|
4
|
4
|
eot
|
104
|
44
|
68
|
D
|
|
5
|
5
|
5
|
enq
|
105
|
45
|
69
|
E
|
|
6
|
6
|
6
|
ack
|
106
|
46
|
70
|
F
|
|
7
|
7
|
7
|
bel
|
107
|
47
|
71
|
G
|
|
10
|
8
|
8
|
bs
|
110
|
48
|
72
|
H
|
|
11
|
9
|
9
|
ht
|
111
|
49
|
73
|
I
|
|
12
|
0a
|
10
|
nl
|
112
|
4a
|
74
|
J
|
|
13
|
0b
|
11
|
vt
|
113
|
4b
|
75
|
K
|
|
14
|
0c
|
12
|
ff
|
114
|
4c
|
76
|
L
|
|
15
|
0d
|
13
|
er
|
115
|
4d
|
77
|
M
|
|
16
|
0e
|
14
|
so
|
116
|
4e
|
78
|
N
|
|
17
|
0f
|
15
|
si
|
117
|
4f
|
79
|
O
|
|
20
|
10
|
16
|
dle
|
120
|
50
|
80
|
P
|
|
21
|
11
|
17
|
dc1
|
121
|
51
|
81
|
Q
|
|
22
|
12
|
18
|
dc2
|
122
|
52
|
82
|
R
|
|
23
|
13
|
19
|
dc3
|
123
|
53
|
83
|
S
|
|
24
|
14
|
20
|
dc4
|
124
|
54
|
84
|
T
|
|
25
|
15
|
21
|
nak
|
125
|
55
|
85
|
U
|
|
26
|
16
|
22
|
syn
|
126
|
56
|
86
|
V
|
|
27
|
17
|
23
|
etb
|
127
|
57
|
87
|
W
|
|
30
|
18
|
24
|
can
|
130
|
58
|
88
|
X
|
|
31
|
19
|
25
|
em
|
131
|
59
|
89
|
Y
|
|
32
|
1a
|
26
|
sub
|
132
|
5a
|
90
|
Z
|
|
33
|
1b
|
27
|
esc
|
133
|
5b
|
91
|
[
|
|
34
|
1c
|
28
|
fs
|
134
|
5c
|
92
|
\
|
|
35
|
1d
|
29
|
gs
|
135
|
5d
|
93
|
]
|
|
36
|
1e
|
30
|
re
|
136
|
5e
|
94
|
^
|
|
37
|
1f
|
31
|
us
|
137
|
5f
|
95
|
_
|
|
40
|
20
|
32
|
sp
|
140
|
60
|
96
|
‘
|
|
41
|
21
|
33
|
!
|
141
|
61
|
97
|
a
|
|
42
|
22
|
34
|
"
|
142
|
62
|
98
|
b
|
|
43
|
23
|
35
|
#
|
143
|
63
|
99
|
c
|
|
44
|
24
|
36
|
$
|
144
|
64
|
100
|
d
|
|
45
|
25
|
37
|
%
|
145
|
65
|
101
|
e
|
|
46
|
26
|
38
|
&
|
146
|
66
|
102
|
f
|
|
47
|
27
|
39
|
`
|
147
|
67
|
103
|
g
|
|
50
|
28
|
40
|
(
|
150
|
68
|
104
|
h
|
|
51
|
29
|
41
|
)
|
151
|
69
|
105
|
i
|
|
52
|
2a
|
42
|
*
|
152
|
6a
|
106
|
j
|
|
53
|
2b
|
43
|
+
|
153
|
6b
|
107
|
k
|
|
54
|
2c
|
44
|
,
|
154
|
6c
|
108
|
l
|
|
55
|
2d
|
45
|
-
|
155
|
6d
|
109
|
m
|
|
56
|
2e
|
46
|
.
|
156
|
6e
|
110
|
n
|
|
57
|
2f
|
47
|
/
|
157
|
6f
|
111
|
o
|
|
60
|
30
|
48
|
0
|
160
|
70
|
112
|
p
|
|
61
|
31
|
49
|
1
|
161
|
71
|
113
|
q
|
|
62
|
32
|
50
|
2
|
162
|
72
|
114
|
r
|
|
63
|
33
|
51
|
3
|
163
|
73
|
115
|
s
|
|
64
|
34
|
52
|
4
|
164
|
74
|
116
|
t
|
|
65
|
35
|
53
|
5
|
165
|
75
|
117
|
u
|
|
66
|
36
|
54
|
6
|
166
|
76
|
118
|
v
|
|
67
|
37
|
55
|
7
|
167
|
77
|
119
|
w
|
|
70
|
38
|
56
|
8
|
170
|
78
|
120
|
x
|
|
71
|
39
|
57
|
9
|
171
|
79
|
121
|
y
|
|
72
|
3a
|
58
|
:
|
172
|
7a
|
122
|
z
|
|
73
|
3b
|
59
|
;
|
173
|
7b
|
123
|
{
|
|
74
|
3c
|
60
|
<
|
174
|
7c
|
124
|
|
|
|
75
|
3d
|
61
|
=
|
175
|
7d
|
125
|
}
|
|
76
|
3e
|
62
|
>
|
176
|
7e
|
126
|
~
|
|
77
|
3f
|
63
|
?
|
177
|
7f
|
127
|
del
|
摘录于百度百科http://baike.baidu.com/view/15482.htm，用于参考。
标签：style http 使用 strong 文件 width
原文地址：http://www.cnblogs.com/zetawangwy/p/3812684.html
