2024年2月8日发(作者：)
第0～32号及第127号(共34个)是控制字符或通讯专用字符，如控制符：LF（换行）、CR（回车）、FF（换页）、DEL（删除）、BEL（振铃）等；通讯专用字符：SOH（文头）、EOT（文尾）、ACK（确认）等；
第33～126号(共94个)是字符，其中第48～57号为0～9十个阿拉伯数字；65～90号为26个大写英文字母，97～122号为26个小写英文字母，其余为一些标点符号、运算符号等。
注意：在计算机的存储单元中，一个ASCII码值占一个字节(8个二进制位)，其最高位(b7)用作奇偶校验位。所谓奇偶校验，是指在代码传送过程中用来检验是否出现错误的一种方法，一般分奇校验和偶校验两种。奇校验规定：正确的代码一个字节中1的个数必须是奇数，若非奇数，则在最高位b7添1；偶校验规定：正确的代码一个字节中1的个数必须是偶数，若非偶数，则在最高位b7添1。
为了便于查询，以下列出ASCII码表：常用ASCII 码对照表
第128～255号为扩展字符（不常用），如需要请下载：完整的8位ASCII字符表
ASCII码 键盘 ASCII 码
27
35
39
43
47
51
55
59
63
67
71
75
79
83
87
91
95
ESC
#
'
+
/
3
7
;
?
C
G
K
O
S
W
[
_
32
36
40
44
48
52
56
60
64
68
72
76
80
84
88
92
96
键盘
SPACE
$
(
'
0
4
8
<
@
D
H
L
P
T
X
`
ASCII 码 键盘 ASCII 码 键盘
33
37
41
45
49
53
57
61
65
69
73
77
81
85
89
93
97
!
%
)
-
1
5
9
=
A
E
I
M
Q
U
Y
]
a
34
38
42
46
50
54
58
62
66
70
74
78
82
86
90
94
98
"
&
*
.
2
6
:
>
B
F
J
N
R
V
Z
^
b
99
103
107
111
115
119
123
c
g
k
o
s
w
{
100
104
108
112
116
120
124
d
h
l
p
t
x
|
101
105
109
113
117
121
125
e
i
m
q
u
y
}
102
106
110
114
118
122
126
f
j
n
r
v
z
~
Chr("32") Chr("33") ! Chr("34") " Chr("35") # Chr("36") $ Chr("37") %
Chr("37") % Chr("38") & Chr("39") ' Chr("40") ( Chr("41") ) Chr("42") *
Chr("42") * Chr("43") + Chr("44") , Chr("45") - Chr("46") . Chr("47") /
Chr("47") / Chr("48") 0 Chr("49") 1 Chr("50") 2 Chr("51") 3 Chr("52") 4
Chr("52") 4 Chr("53") 5 Chr("54") 6 Chr("55") 7 Chr("56") 8 Chr("57") 9
Chr("57") 9 Chr("58") : Chr("59") ; Chr("60") < Chr("61") = Chr("62") >
Chr("62") > Chr("63") ? Chr("64") @ Chr("65") A Chr("66") B Chr("67") C
Chr("67") C Chr("68") D Chr("69") E Chr("70") F Chr("71") G Chr("72") H
Chr("72") H Chr("73") I Chr("74") J Chr("75") K Chr("76") L Chr("77") M
Chr("77") M Chr("78") N Chr("79") O Chr("80") P Chr("81") Q Chr("82") R
Chr("82") R Chr("83") S Chr("84") T Chr("85") U Chr("86") V Chr("87") W
Chr("87") W Chr("88") X Chr("89") Y Chr("90") Z Chr("91") [ Chr("92")
Chr("92") Chr("93") ] Chr("94") ^ Chr("95") _ Chr("96") ` Chr("97") a
Chr("100"Chr("101"Chr("102"Chr("97") a Chr("98") b Chr("99") c d e f
) ) )
Chr("102"Chr("103"Chr("104"Chr("105"Chr("106"Chr("107"f g h i j k
) ) ) ) ) )
Chr("107"Chr("108"Chr("109"Chr("110"Chr("111"Chr("112"k l m n o p
) ) ) ) ) )
Chr("112"Chr("113"Chr("114"Chr("115"Chr("116"Chr("117"p q r s t u
) ) ) ) ) )
Chr("117"Chr("118"Chr("119"Chr("120"Chr("121"Chr("122"u v w x y z
) ) ) ) ) )
Chr("122"Chr("123"Chr("124"Chr("125"Chr("126"Chr("127"z { | } ~
) ) ) ) ) )
Chr("127"Chr("128"Chr("129"Chr("130"Chr("131"Chr("132") ) ) ) ) )
keycode 是键盘上每一个按键对应的码
keycode如下 ：
keycode 0 =
keycode 1 =
keycode 2 =
keycode 3 =
keycode 4 =
keycode 5 =
keycode 6 =
keycode 7 =
keycode 8 = BackSpace BackSpace
keycode 9 = Tab Tab
keycode 10 =
keycode 11 =
keycode 12 = Clear
keycode 13 = Enter
keycode 14 =
keycode 15 =
keycode 16 = Shift_L
keycode 17 = Control_L
keycode 18 = Alt_L
keycode 19 = Pause
keycode 20 = Caps_Lock
keycode 21 =
keycode 22 =
keycode 23 =
keycode 24 =
keycode 25 =
keycode 26 =
keycode 27 = Escape Escape
keycode 28 =
keycode 29 =
keycode 30 =
keycode 31 =
keycode 32 = space space
keycode 33 = Prior
keycode 34 = Next
keycode 35 = End
keycode 36 = Home
keycode 37 = Left
keycode 38 = Up
keycode 39 = Right
keycode 40 = Down
keycode 41 = Select
keycode 42 = Print
keycode 43 = Execute
keycode 44 =
keycode 45 = Insert
keycode 46 = Delete
keycode 47 = Help
keycode 48 = 0 equal braceright
keycode 49 = 1 exclam onesuperior
keycode 50 = 2 quotedbl twosuperior
keycode 51 = 3 section threesuperior
keycode 52 = 4 dollar
keycode 53 = 5 percent
keycode 54 = 6 ampersand
keycode 55 = 7 slash braceleft
keycode 56 = 8 parenleft bracketleft
keycode 57 = 9 parenright bracketright
keycode 58 =
keycode 59 =
keycode 60 =
keycode 61 =
keycode 62 =
keycode 63 =
keycode 64 =
keycode 65 = a A
keycode 66 = b B
keycode 67 = c C
keycode 68 = d D
keycode 69 = e E EuroSign
keycode 70 = f F
keycode 71 = g G
keycode 72 = h H
keycode 73 = i I
keycode 74 = j J
keycode 75 = k K
keycode 76 = l L
keycode 77 = m M mu
keycode 78 = n N
keycode 79 = o O
keycode 80 = p P
keycode 81 = q Q at
keycode 82 = r R
keycode 83 = s S
keycode 84 = t T
keycode 85 = u U
keycode 86 = v V
keycode 87 = w W
keycode 88 = x X
keycode 89 = y Y
keycode 90 = z Z
keycode 91 =
keycode 92 =
keycode 93 =
keycode 94 =
keycode 95 =
keycode 96 = KP_0 KP_0
keycode 97 = KP_1 KP_1
keycode 98 = KP_2 KP_2
keycode 99 = KP_3 KP_3
keycode 100 = KP_4 KP_4
keycode 101 = KP_5 KP_5
keycode 102 = KP_6 KP_6
keycode 103 = KP_7 KP_7
keycode 104 = KP_8 KP_8
keycode 105 = KP_9 KP_9
keycode 106 = KP_Multiply KP_Multiply
keycode 107 = KP_Add KP_Add
keycode 108 = KP_Separator KP_Separator
keycode 109 = KP_Subtract KP_Subtract
keycode 110 = KP_Decimal KP_Decimal
keycode 111 = KP_Divide KP_Divide
keycode 112 = F1
keycode 113 = F2
keycode 114 = F3
keycode 115 = F4
keycode 116 = F5
keycode 117 = F6
keycode 118 = F7
keycode 119 = F8
keycode 120 = F9
keycode 121 = F10
keycode 122 = F11
keycode 123 = F12
keycode 124 = F13
keycode 125 = F14
keycode 126 = F15
keycode 127 = F16
keycode 128 = F17
keycode 129 = F18
keycode 130 = F19
keycode 131 = F20
keycode 132 = F21
keycode 133 = F22
keycode 134 = F23
keycode 135 = F24
keycode 136 = Num_Lock
keycode 137 = Scroll_Lock
keycode 138 =
keycode 139 =
keycode 140 =
keycode 141 =
keycode 142 =
keycode 143 =
keycode 144 =
keycode 145 =
keycode 146 =
keycode 147 =
keycode 148 =
keycode 149 =
keycode 150 =
keycode 151 =
keycode 152 =
keycode 153 =
keycode 154 =
keycode 155 =
keycode 156 =
keycode 157 =
keycode 158 =
keycode 159 =
keycode 160 =
keycode 161 =
keycode 162 =
keycode 163 =
keycode 164 =
keycode 165 =
keycode 166 =
keycode 167 =
keycode 168 =
keycode 169 =
keycode 170 =
keycode 171 =
keycode 172 =
keycode 173 =
keycode 174 =
keycode 175 =
keycode 176 =
keycode 177 =
keycode 178 =
keycode 179 =
keycode 180 =
keycode 181 =
keycode 182 =
keycode 183 =
keycode 184 =
keycode 185 =
keycode 186 =
keycode 187 = acute grave
keycode 188 = comma semicolon
keycode 189 = minus underscore
keycode 190 = period colon
keycode 191 =
keycode 192 = numbersign apostrophe
keycode 193 =
keycode 194 =
keycode 195 =
keycode 196 =
keycode 197 =
keycode 198 =
keycode 199 =
keycode 200 =
keycode 201 =
keycode 202 =
keycode 203 =
keycode 204 =
keycode 205 =
keycode 206 =
keycode 207 =
keycode 208 =
keycode 209 =
keycode 210 = plusminus hyphen macron
keycode 211 =
keycode 212 = copyright registered
keycode 213 = guillemotleft guillemotright
keycode 214 = masculine ordfeminine
keycode 215 = ae AE
keycode 216 = cent yen
keycode 217 = questiondown exclamdown
keycode 218 = onequarter onehalf threequarters
keycode 219 =
keycode 220 = less greater bar
keycode 221 = plus asterisk asciitilde
keycode 222 =
keycode 223 =
keycode 224 =
keycode 225 =
keycode 226 =
keycode 227 = multiply division
keycode 228 = acircumflex Acircumflex
keycode 229 = ecircumflex Ecircumflex
keycode 230 = icircumflex Icircumflex
keycode 231 = ocircumflex Ocircumflex
keycode 232 = ucircumflex Ucircumflex
keycode 233 = ntilde Ntilde
keycode 234 = yacute Yacute
keycode 235 = oslash Ooblique
keycode 236 = aring Aring
keycode 237 = ccedilla Ccedilla
keycode 238 = thorn THORN
keycode 239 = eth ETH
keycode 240 = diaeresis cedilla currency
keycode 241 = agrave Agrave atilde Atilde
keycode 242 = egrave Egrave
keycode 243 = igrave Igrave
keycode 244 = ograve Ograve otilde Otilde
keycode 245 = ugrave Ugrave
keycode 246 = adiaeresis Adiaeresis
keycode 247 = ediaeresis Ediaeresis
keycode 248 = idiaeresis Idiaeresis
keycode 249 = odiaeresis Odiaeresis
keycode 250 = udiaeresis Udiaeresis
keycode 251 = ssharp question backslash
keycode 252 = asciicircum degree
keycode 253 = 3 sterling
keycode 254 = Mode_switch
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