ASCII码表
ASCII值控制字符ASCII值控制字符ASCII值控制字符ASCII值控制字符
0NUT32(space)64@96、
1SOH33！65A97a
2STX34”66B98b
3ETX35#67C99c
4EOT36$68D100d
5ENQ37%69E101e
6ACK38&70F102f
7BEL39,71G103g
8BS40(72H104h
9HT41)73I105i
10LF42*74J106j
11VT43+75K107k
12FF44,76L108l
13CR45-77M109m
14SO46.78N110n
15SI47/79O111o
16DLE48080P112p
17DCI49181Q113q
18DC250282R114r
19DC351383X115s
20DC452484T116t
21NAK53585U117u
22SYN54686V118v
23TB55787W119w
24CAN56888X120x
25EM57989Y121y
26SUB58:90Z122z
27ESC59;91[123{
28FS60<92\124|
29GS61=93]125}
30RS62>94^126~
31US63?95__127DEL
NULVT 垂直制表SYN 空转同步
SOH 标题开始FF 走纸控制ETB 信息组传送结束
STX 正文开始CR 回车CAN 作废
ETX 正文结束SO 移位输出EM 纸尽
EOY 传输结束SI 移位输入SUB 换置
ENQ 询问字符DLE 空格ESC 换码
ACK 承认DC1 设备控制1FS 文字分隔符
BEL 报警DC2 设备控制2GS 组分隔符
BS 退一格DC3 设备控制3RS 记录分隔符
HT 横向列表DC4 设备控制4US 单元分隔符
LF 换行NAK 否定DEL 删除
键盘常用ASCII码
ESC键 VK_ESCAPE (27)
回车键： VK_RETURN (13)
TAB键： VK_TAB (9)
Caps Lock键： VK_CAPITAL (20)
Shift键： VK_SHIFT ($10)
Ctrl键： VK_CONTROL (17)
Alt键： VK_MENU (18)
空格键： VK_SPACE ($20/32)
退格键： VK_BACK (8)
左徽标键： VK_LWIN (91)
右徽标键： VK_LWIN (92)
鼠标右键快捷键：VK_APPS (93)
Insert键： VK_INSERT (45)
Home键： VK_HOME (36)
Page Up： VK_PRIOR (33)
PageDown： VK_NEXT (34)
End键： VK_END (35)
Delete键： VK_DELETE (46)
方向键(←)： VK_LEFT (37)
方向键(↑)： VK_UP (38)
方向键(→)： VK_RIGHT (39)
方向键(↓)： VK_DOWN (40)
F1键： VK_F1 (112)
F2键： VK_F2 (113)
F3键： VK_F3 (114)
F4键： VK_F4 (115)
F5键： VK_F5 (116)
F6键： VK_F6 (117)
F7键： VK_F7 (118)
F8键： VK_F8 (119)
F9键： VK_F9 (120)
F10键： VK_F10 (121)
F11键： VK_F11 (122)
F12键： VK_F12 (123)
Num Lock键： VK_NUMLOCK (144)
小键盘0： VK_NUMPAD0 (96)
小键盘1： VK_NUMPAD0 (97)
小键盘2： VK_NUMPAD0 (98)
小键盘3： VK_NUMPAD0 (99)
小键盘4： VK_NUMPAD0 (100)
小键盘5： VK_NUMPAD0 (101)
小键盘6： VK_NUMPAD0 (102)
小键盘7： VK_NUMPAD0 (103)
小键盘8： VK_NUMPAD0 (104)
小键盘9： VK_NUMPAD0 (105)
小键盘.： VK_DECIMAL (110)
小键盘*： VK_MULTIPLY (106)
小键盘+： VK_MULTIPLY (107)
小键盘-： VK_SUBTRACT (109)
小键盘/： VK_DIVIDE (111)
Pause Break键： VK_PAUSE (19)
Scroll Lock键： VK_SCROLL (145)
keycode 8 = BackSpace BackSpace
keycode 9 = Tab Tab
keycode 12 = Clear
keycode 13 = Enter
keycode 16 = Shift_L
keycode 17 = Control_L
keycode 18 = Alt_L
keycode 19 = Pause
keycode 20 = Caps_Lock
keycode 27 = Escape Escape
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 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 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 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 187 = acute grave
keycode 188 = comma semicolon
keycode 189 = minus underscore
keycode 190 = period colon
keycode 192 = numbersign apostrophe
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 220 = less greater bar
keycode 221 = plus asterisk asciitilde
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
示例：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB2312" />
<title>检测大写锁定键</title>
<style type="text/css">
<!--
*{margin:0;padding:0;}
body{padding:2em;}
h1{text-align:center;line-height:200%;}
h3{text-indent:1em;line-height:160%;color:#666;font-weight:normal;font-size:1em;}
h3 a{color:#bbb; text-decoration:none;margin:0 0.5em;}
h3 a:hover{color:#fff;}
p{margin:5em;}
span{margin:0 0.5em;font-size:85.7%;}
-->
</style>
</head>
<body>
<h1>检测大写锁定键</h1>
<form action="#" method="post">
<p><label for="password">密码：</label><input type="password" id="password" name="password" /><span style="display:none;">大写锁定键被按下，请注意大小写</span></p>
</form>
<script type="text/javascript">
//<![CDATA[
function detectCapsLock(event){
var e = event||window.event;
var o = e.target||e.srcElement;
var oTip = o.nextSibling;
var keyCode = e.keyCode||e.which; // 按键的keyCode
var isShift = e.shiftKey ||(keyCode == 16 ) || false ; // shift键是否按住
if (
((keyCode >= 65 && keyCode <= 90 ) && !isShift) // Caps Lock 打开，且没有按住shift键
|| ((keyCode >= 97 && keyCode <= 122 ) && isShift)// Caps Lock 打开，且按住shift键
){oTip.style.display = '';}
else{oTip.style.display = 'none';}
}
document.getElementById('password').onkeypress = detectCapsLock;
//]]>
</script>
</body>