ASCII,American Standard Code for Information Interchange,美国信息交换标准代码,是基于拉丁字母的一套电脑编码系统, 主要用于显示现代英语和其他西欧语言。它是最通用的信息交换标准,并等同于国际标准 ISO/IEC 646。 ASCII 第一次以规范标准的类型发表是在 1967 年,最后一次更新则是在 1986年。 ASCII 码值不在 [32,126] 范围的为不可打印字符。

ASCII 控制字符 (字符码 0-31)
ASCII 表中的前 32 个字符是不可打印的控制代码,用于控制外围设备,例如打印机。
DEC 十进制 OCT 八进制 HEX 十六进制 BIN 二进制 Symbol HTML Number HTML Name Description
0000x0000000000NUL� Nullchar
1010x0100000001SOH Start of Heading
2020x0200000010STX Start of Text
3030x0300000011ETX End of Text
4040x0400000100EOT End of Transmission
5050x0500000101ENQ Enquiry
6060x0600000110ACK Acknowledgment
7070x0700000111BEL Bell
80100x0800001000BS Back Space
90110x0900001001HT	 Horizontal Tab
100120x0A00001010LF
 Line Feed , \n
110130x0B00001011VT Vertical Tab
120140x0C00001100FF Form Feed
130150x0D00001101CR
 Carriage Return , \r
140160x0E00001110SO Shift Out / X-On
150170x0F00001111SI ShiftIn/X-Off
160200x1000010000DLE Data Line Escape
170210x1100010001DC1 Device Control 1 (oft. XON)
180220x1200010010DC2 Device Control 2
190230x1300010011DC3 Device Control 3 (oft. XOFF)
200240x1400010100DC4 Device Control 4
210250x1500010101NAK Negative Acknowledgement
220260x1600010110SYN Synchronous Idle
230270x1700010111ETB End of Transmit Block
240300x1800011000CAN Cancel
250310x1900011001EM End of Medium
260320x1A00011010SUB Substitute
270330x1B00011011ESC Escape
280340x1C00011100FS File Separator
290350x1D00011101GS Group Separator
300360x1E00011110RS Record Separator
310370x1F00011111US 
Unit Separator

ASCII 可打印字符(字符码 32-127)
字符码 32-127 对于 ASCII 表的所有不同变体都是通用的,它们被称为可打印字符,代表字母、数字、标点符号和一些杂项符号。您几乎可以在键盘上找到每个字符。字符 127 表示命令 DEL。
DEC 十进制 OCT 八进制 HEX 十六进制 BIN 二进制 Symbol HTML Number HTML Name Description
320400x2000100000   Space
330410x2100100001!! Exclamation mark
340420x2200100010"""Double quotes (or speech marks)
350430x2300100011## Number
360440x2400100100$$ Dollar
370450x2500100101%% Per cent sign
380460x2600100110&&&Ampersand
390470x2700100111'' Single quote
400500x2800101000(( Open parenthesis (or open bracket)
410510x2900101001)) Close parenthesis (or close bracket)
420520x2A00101010** Asterisk
430530x2B00101011++ Plus
440540x2C00101100,, Comma
450550x2D00101101-- Hyphen
460560x2E00101110.. Period, dot or full stop
470570x2F00101111// Slash or divide
480600x300011000000 Zero
490610x310011000111 One
500620x320011001022 Two
510630x330011001133 Three
520640x340011010044 Four
530650x350011010155 Five
540660x360011011066 Six
550670x370011011177 Seven
560700x380011100088 Eight
570710x390011100199 Nine
580720x3A00111010:: Colon
590730x3B00111011;&#59; Semicolon
600740x3C00111100<&#60;&lt;Less than (or open angled bracket)
610750x3D00111101=&#61; Equals
620760x3E00111110>&#62;&gt;Greater than (or close angled bracket)
630770x3F00111111?&#63; Question mark
6401000x4001000000@&#64; At symbol
6501010x4101000001A&#65; Uppercase A
6601020x4201000010B&#66; Uppercase B
6701030x4301000011C&#67; Uppercase C
6801040x4401000100D&#68; Uppercase D
6901050x4501000101E&#69; Uppercase E
7001060x4601000110F&#70; Uppercase F
7101070x4701000111G&#71; Uppercase G
7201100x4801001000H&#72; Uppercase H
7301110x4901001001I&#73; Uppercase I
7401120x4A01001010J&#74; Uppercase J
7501130x4B01001011K&#75; Uppercase K
7601140x4C01001100L&#76; Uppercase L
7701150x4D01001101M&#77; Uppercase M
7801160x4E01001110N&#78; Uppercase N
7901170x4F01001111O&#79; Uppercase O
8001200x5001010000P&#80; Uppercase P
8101210x5101010001Q&#81; Uppercase Q
8201220x5201010010R&#82; Uppercase R
8301230x5301010011S&#83; Uppercase S
8401240x5401010100T&#84; Uppercase T
8501250x5501010101U&#85; Uppercase U
8601260x5601010110V&#86; Uppercase V
8701270x5701010111W&#87; Uppercase W
8801300x5801011000X&#88; Uppercase X
8901310x5901011001Y&#89; Uppercase Y
9001320x5A01011010Z&#90; Uppercase Z
9101330x5B01011011[&#91; Opening bracket
9201340x5C01011100\&#92; Backslash
9301350x5D01011101]&#93; Closing bracket
9401360x5E01011110^&#94; Caret - circumflex
9501370x5F01011111_&#95; Underscore
9601400x6001100000`&#96; Grave accent
9701410x6101100001a&#97; Lowercase a
9801420x6201100010b&#98; Lowercase b
9901430x6301100011c&#99; Lowercase c
10001440x6401100100d&#100; Lowercase d
10101450x6501100101e&#101; Lowercase e
10201460x6601100110f&#102; Lowercase f
10301470x6701100111g&#103; Lowercase g
10401500x6801101000h&#104; Lowercase h
10501510x6901101001i&#105; Lowercase i
10601520x6A01101010j&#106; Lowercase j
10701530x6B01101011k&#107; Lowercase k
10801540x6C01101100l&#108; Lowercase l
10901550x6D01101101m&#109; Lowercase m
11001560x6E01101110n&#110; Lowercase n
11101570x6F01101111o&#111; Lowercase o
11201600x7001110000p&#112; Lowercase p
11301610x7101110001q&#113; Lowercase q
11401620x7201110010r&#114; Lowercase r
11501630x7301110011s&#115; Lowercase s
11601640x7401110100t&#116; Lowercase t
11701650x7501110101u&#117; Lowercase u
11801660x7601110110v&#118; Lowercase v
11901670x7701110111w&#119; Lowercase w
12001700x7801111000x&#120; Lowercase x
12101710x7901111001y&#121; Lowercase y
12201720x7A01111010z&#122; Lowercase z
12301730x7B01111011{&#123; Opening brace
12401740x7C01111100|&#124; Vertical bar
12501750x7D01111101}&#125; Closing brace
12601760x7E01111110~&#126; Equivalency sign - tilde
12701770x7F01111111    &#127; 
Delete

扩展的 ASCII 码(字符码 128-255)
8 位 ASCII 表有几种不同的变体。 下表是根据 Windows-1252 (CP-1252),它是 ISO 8859-1(也称为 ISO Latin-1)的超集,在可打印字符方面, 但与 IANA 的 ISO-8859-1 不同的是使用了 displayable 字符而不是 128 到 159 范围内的控制字符。 与 ISO-8859-1 不同的字符用浅蓝色标记。
DEC 十进制 OCT 八进制 HEX 十六进制 BIN 二进制 Symbol HTML Number HTML Name Description
12802000x8010000000&#128;&euro;Euro sign
12902010x8110000001    
13002020x8210000010&#130;&sbquo;Single low-9 quotation mark
13102030x8310000011ƒ&#131;&fnof;Latin small letter f with hook
13202040x8410000100&#132;&bdquo;Double low-9 quotation mark
13302050x8510000101&#133;&hellip;Horizontal ellipsis
13402060x8610000110&#134;&dagger;Dagger
13502070x8710000111&#135;&Dagger;Double dagger
13602100x8810001000ˆ&#136;&circ;Modifier letter circumflex accent
13702110x8910001001&#137;&permil;Per mille sign
13802120x8A10001010Š&#138;&Scaron;Latin capital letter S with caron
13902130x8B10001011&#139;&lsaquo;Single left-pointing angle quotation
14002140x8C10001100Œ&#140;&OElig;Latin capital ligature OE
14102150x8D10001101    
14202160x8E10001110Ž&#142; Latin capital letter Z with caron
14302170x8F10001111    
14402200x9010010000    
14502210x9110010001&#145;&lsquo;Left single quotation mark
14602220x9210010010&#146;&rsquo;Right single quotation mark
14702230x9310010011&#147;&ldquo;Left double quotation mark
14802240x9410010100&#148;&rdquo;Right double quotation mark
14902250x9510010101&#149;&bull;Bullet
15002260x9610010110&#150;&ndash;En dash
15102270x9710010111&#151;&mdash;Em dash
15202300x9810011000˜&#152;&tilde;Small tilde
15302310x9910011001&#153;&trade;Trade mark sign
15402320x9A10011010š&#154;&scaron;Latin small letter S with caron
15502330x9B10011011&#155;&rsaquo;Single right-pointing angle quotation mark
15602340x9C10011100œ&#156;&oelig;Latin small ligature oe
15702350x9D10011101    
15802360x9E10011110ž&#158; Latin small letter z with caron
15902370x9F10011111Ÿ&#159;&Yuml;Latin capital letter Y with diaeresis
16002400xA010100000 &#160;&nbsp;Non-breaking space
16102410xA110100001¡&#161;&iexcl;Inverted exclamation mark
16202420xA210100010¢&#162;&cent;Cent sign
16302430xA310100011£&#163;&pound;Pound sign
16402440xA410100100¤&#164;&curren;Currency sign
16502450xA510100101¥&#165;&yen;Yen sign
16602460xA610100110¦&#166;&brvbar;Pipe, Broken vertical bar
16702470xA710100111§&#167;&sect;Section sign
16802500xA810101000¨&#168;&uml;Spacing diaeresis - umlaut
16902510xA910101001©&#169;&copy;Copyright sign
17002520xAA10101010ª&#170;&ordf;Feminine ordinal indicator
17102530xAB10101011«&#171;&laquo;Left double angle quotes
17202540xAC10101100¬&#172;&not;Not sign
17302550xAD10101101­&#173;&shy;Soft hyphen
17402560xAE10101110®&#174;&reg;Registered trade mark sign
17502570xAF10101111¯&#175;&macr;Spacing macron - overline
17602600xB010110000°&#176;&deg;Degree sign
17702610xB110110001±&#177;&plusmn;Plus-or-minus sign
17802620xB210110010²&#178;&sup2;Superscript two - squared
17902630xB310110011³&#179;&sup3;Superscript three - cubed
18002640xB410110100´&#180;&acute;Acute accent - spacing acute
18102650xB510110101µ&#181;&micro;Micro sign
18202660xB610110110&#182;&para;Pilcrow sign - paragraph sign
18302670xB710110111·&#183;&middot;Middle dot - Georgian comma
18402700xB810111000¸&#184;&cedil;Spacing cedilla
18502710xB910111001¹&#185;&sup1;Superscript one
18602720xBA10111010º&#186;&ordm;Masculine ordinal indicator
18702730xBB10111011»&#187;&raquo;Right double angle quotes
18802740xBC10111100¼&#188;&frac14;Fraction one quarter
18902750xBD10111101½&#189;&frac12;Fraction one half
19002760xBE10111110¾&#190;&frac34;Fraction three quarters
19102770xBF10111111¿&#191;&iquest;Inverted question mark
19203000xC011000000À&#192;&Agrave;Latin capital letter A with grave
19303010xC111000001Á&#193;&Aacute;Latin capital letter A with acute
19403020xC211000010Â&#194;&Acirc;Latin capital letter A with circumflex
19503030xC311000011Ã&#195;&Atilde;Latin capital letter A with tilde
19603040xC411000100Ä&#196;&Auml;Latin capital letter A with diaeresis
19703050xC511000101Å&#197;&Aring;Latin capital letter A with ring above
19803060xC611000110Æ&#198;&AElig;Latin capital letter AE
19903070xC711000111Ç&#199;&Ccedil;Latin capital letter C with cedilla
20003100xC811001000È&#200;&Egrave;Latin capital letter E with grave
20103110xC911001001É&#201;&Eacute;Latin capital letter E with acute
20203120xCA11001010Ê&#202;&Ecirc;LatincapitalletterEwithcircumflex
20303130xCB11001011Ë&#203;&Euml;Latin capital letter E with diaeresis
20403140xCC11001100Ì&#204;&Igrave;Latin capital letter I with grave
20503150xCD11001101Í&#205;&Iacute;Latin capital letter I with acute
20603160xCE11001110Î&#206;&Icirc;Latin capital letter I with circumflex
20703170xCF11001111Ï&#207;&Iuml;Latin capital letter I with diaeresis
20803200xD011010000Ð&#208;&ETH;Latin capital letter ETH
20903210xD111010001Ñ&#209;&Ntilde;Latin capital letter N with tilde
21003220xD211010010Ò&#210;&Ograve;Latin capital letter O with grave
21103230xD311010011Ó&#211;&Oacute;Latin capital letter O with acute
21203240xD411010100Ô&#212;&Ocirc;Latin capital letter O with circumflex
21303250xD511010101Õ&#213;&Otilde;Latin capital letter O with tilde
21403260xD611010110Ö&#214;&Ouml;Latin capital letter O with diaeresis
21503270xD711010111×&#215;&times;Multiplication sign
21603300xD811011000Ø&#216;&Oslash;Latin capital letter O with slash
21703310xD911011001Ù&#217;&Ugrave;Latin capital letter U with grave
21803320xDA11011010Ú&#218;&Uacute;Latin capital letter U with acute
21903330xDB11011011Û&#219;&Ucirc;Latin capital letter U with circumflex
22003340xDC11011100Ü&#220;&Uuml;Latin capital letter U with diaeresis
22103350xDD11011101Ý&#221;&Yacute;Latin capital letter Y with acute
22203360xDE11011110Þ&#222;&THORN;Latin capital letter THORN
22303370xDF11011111ß&#223;&szlig;Latin small letter sharp s - ess-zed
22403400xE011100000à&#224;&agrave;Latin small letter a with grave
22503410xE111100001á&#225;&aacute;Latin small letter a with acute
22603420xE211100010â&#226;&acirc;Latin small letter a with circumflex
22703430xE311100011ã&#227;&atilde;Latin small letter a with tilde
22803440xE411100100ä&#228;&auml;Latin small letter a with diaeresis
22903450xE511100101å&#229;&aring;Latin small letter a with ring above
23003460xE611100110æ&#230;&aelig;Latin small letter ae
23103470xE711100111ç&#231;&ccedil;Latin small letter c with cedilla
23203500xE811101000è&#232;&egrave;Latin small letter e with grave
23303510xE911101001é&#233;&eacute;Latin small letter e with acute
23403520xEA11101010ê&#234;&ecirc;Latin small letter e with circumflex
23503530xEB11101011ë&#235;&euml;Latin small letter e with diaeresis
23603540xEC11101100ì&#236;&igrave;Latin small letter i with grave
23703550xED11101101í&#237;&iacute;Latin small letter i with acute
23803560xEE11101110î&#238;&icirc;Latin small letter i with circumflex
23903570xEF11101111ï&#239;&iuml;Latin small letter i with diaeresis
24003600xF011110000ð&#240;&eth;Latin small letter eth
24103610xF111110001ñ&#241;&ntilde;Latin small letter n with tilde
24203620xF211110010ò&#242;&ograve;Latin small letter o with grave
24303630xF311110011ó&#243;&oacute;Latin small letter o with acute
24403640xF411110100ô&#244;&ocirc;Latin small letter o with circumflex
24503650xF511110101õ&#245;&otilde;Latin small letter o with tilde
24603660xF611110110ö&#246;&ouml;Latin small letter o with diaeresis
24703670xF711110111÷&#247;&divide;Division sign
24803700xF811111000ø&#248;&oslash;Latin small letter o with slash
24903710xF911111001ù&#249;&ugrave;Latin small letter u with grave
25003720xFA11111010ú&#250;&uacute;Latin small letter u with acute
25103730xFB11111011û&#251;&ucirc;Latin small letter u with circumflex
25203740xFC11111100ü&#252;&uuml;Latin small letter u with diaeresis
25303750xFD11111101ý&#253;&yacute;Latin small letter y with acute
25403760xFE11111110þ&#254;&thorn;Latin small letter thorn
25503770xFF11111111ÿ&#255;&yuml;Latin small letter y with diaeresis

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