查看“ASCII编码”的源代码

ASCII（American Standard Code for Information Interchange，美国信息交换标准代码）是一套基于拉丁字母的字符编码标准，由美国国家标准学会（ANSI）于1963年首次发布，并在1967年进行了最后一次更新。作为最早被广泛采用的字符编码标准之一，ASCII奠定了现代计算机文本表示的基础。

== ASCII编码表 ==

=== 控制字符 ===
{| class="wikitable"
!二进制
!十进制
!十六进制
!缩写
!控制字符名称
!解释
|-
|0000&nbsp;0000
|0
|00
|NUL
|Null
|空字符
|-
|0000&nbsp;0001
|1
|01
|SOH
|Start of Heading
|标题开始
|-
|0000&nbsp;0010
|2
|02
|STX
|Start of Text
|正文开始
|-
|0000&nbsp;0011
|3
|03
|ETX
|End of Text
|正文结束
|-
|0000&nbsp;0100
|4
|04
|EOT
|End of Transmission
|传输结束
|-
|0000&nbsp;0101
|5
|05
|ENQ
|Enquiry
|请求
|-
|0000&nbsp;0110
|6
|06
|ACK
|Acknowledge
|确认
|-
|0000&nbsp;0111
|7
|07
|BEL
|Bell
|响铃
|-
|0000&nbsp;1000
|8
|08
|BS
|Backspace
|退格
|-
|0000&nbsp;1001
|9
|09
|HT
|Horizontal Tab
|水平制表符
|-
|0000&nbsp;1010
|10
|0A
|LF
|Line Feed
|换行
|-
|0000&nbsp;1011
|11
|0B
|VT
|Vertical Tab
|垂直制表符
|-
|0000&nbsp;1100
|12
|0C
|FF
|Form Feed
|换页
|-
|0000&nbsp;1101
|13
|0D
|CR
|Carriage Return
|回车
|-
|0000&nbsp;1110
|14
|0E
|SO
|Shift Out
|移出
|-
|0000&nbsp;1111
|15
|0F
|SI
|Shift In
|移入
|-
|0001&nbsp;0000
|16
|10
|DLE
|Data Link Escape
|数据链路转义
|-
|0001&nbsp;0001
|17
|11
|DC1
|Device Control 1
|设备控制1（XON）
|-
|0001&nbsp;0010
|18
|12
|DC2
|Device Control 2
|设备控制2
|-
|0001&nbsp;0011
|19
|13
|DC3
|Device Control 3
|设备控制3（XOFF）
|-
|0001&nbsp;0100
|20
|14
|DC4
|Device Control 4
|设备控制4
|-
|0001&nbsp;0101
|21
|15
|NAK
|Negative Acknowledge
|否定确认
|-
|0001&nbsp;0110
|22
|16
|SYN
|Synchronous Idle
|同步空闲
|-
|0001&nbsp;0111
|23
|17
|ETB
|End of Trans. Block
|传输块结束
|-
|0001&nbsp;1000
|24
|18
|CAN
|Cancel
|取消
|-
|0001&nbsp;1001
|25
|19
|EM
|End of Medium
|媒介结束
|-
|0001&nbsp;1010
|26
|1A
|SUB
|Substitute
|替换
|-
|0001&nbsp;1011
|27
|1B
|ESC
|Escape
|转义
|-
|0001&nbsp;1100
|28
|1C
|FS
|File Separator
|文件分隔符
|-
|0001&nbsp;1101
|29
|1D
|GS
|Group Separator
|组分隔符
|-
|0001&nbsp;1110
|30
|1E
|RS
|Record Separator
|记录分隔符
|-
|0001&nbsp;1111
|31
|1F
|US
|Unit Separator
|单元分隔符
|-
|0111&nbsp;1111
|127
|7F
|DEL
|Delete
|删除
|}

=== 可显示字符 ===
{| class="wikitable"
|
{| class="wikitable"
!二进制
!十进制
!十六进制
!图形
|-
|0010&nbsp;0000
|32
|20
|(space)
|-
|0010&nbsp;0001
|33
|21
|!
|-
|0010&nbsp;0010
|34
|22
|"
|-
|0010&nbsp;0011
|35
|23
|#
|-
|0010&nbsp;0100
|36
|24
|$
|-
|0010&nbsp;0101
|37
|25
|%
|-
|0010&nbsp;0110
|38
|26
|&
|-
|0010&nbsp;0111
|39
|27
|'
|-
|0010&nbsp;1000
|40
|28
|(
|-
|0010&nbsp;1001
|41
|29
|)
|-
|0010&nbsp;1010
|42
|2A
|*
|-
|0010&nbsp;1011
|43
|2B
| +
|-
|0010&nbsp;1100
|44
|2C
|,
|-
|0010&nbsp;1101
|45
|2D
| -
|-
|0010&nbsp;1110
|46
|2E
|.
|-
|0010&nbsp;1111
|47
|2F
|/
|-
|0011&nbsp;0000
|48
|30
|0
|-
|0011&nbsp;0001
|49
|31
|1
|-
|0011&nbsp;0010
|50
|32
|2
|-
|0011&nbsp;0011
|51
|33
|3
|-
|0011&nbsp;0100
|52
|34
|4
|-
|0011&nbsp;0101
|53
|35
|5
|-
|0011&nbsp;0110
|54
|36
|6
|-
|0011&nbsp;0111
|55
|37
|7
|-
|0011&nbsp;1000
|56
|38
|8
|-
|0011&nbsp;1001
|57
|39
|9
|-
|0011&nbsp;1010
|58
|3A
|:
|-
|0011&nbsp;1011
|59
|3B
|;
|-
|0011&nbsp;1100
|60
|3C
|<
|-
|0011&nbsp;1101
|61
|3D
|=
|-
|0011&nbsp;1110
|62
|3E
|>
|-
|0011&nbsp;1111
|63
|3F
|?
|}
|
{| class="wikitable"
!二进制
!十进制
!十六进制
!图形
|-
|0100&nbsp;0000
|64
|40
|@
|-
|0100&nbsp;0001
|65
|41
|A
|-
|0100&nbsp;0010
|66
|42
|B
|-
|0100&nbsp;0011
|67
|43
|C
|-
|0100&nbsp;0100
|68
|44
|D
|-
|0100&nbsp;0101
|69
|45
|E
|-
|0100&nbsp;0110
|70
|46
|F
|-
|0100&nbsp;0111
|71
|47
|G
|-
|0100&nbsp;1000
|72
|48
|H
|-
|0100&nbsp;1001
|73
|49
|I
|-
|0100&nbsp;1010
|74
|4A
|J
|-
|0100&nbsp;1011
|75
|4B
|K
|-
|0100&nbsp;1100
|76
|4C
|L
|-
|0100&nbsp;1101
|77
|4D
|M
|-
|0100&nbsp;1110
|78
|4E
|N
|-
|0100&nbsp;1111
|79
|4F
|O
|-
|0101&nbsp;0000
|80
|50
|P
|-
|0101&nbsp;0001
|81
|51
|Q
|-
|0101&nbsp;0010
|82
|52
|R
|-
|0101&nbsp;0011
|83
|53
|S
|-
|0101&nbsp;0100
|84
|54
|T
|-
|0101&nbsp;0101
|85
|55
|U
|-
|0101&nbsp;0110
|86
|56
|V
|-
|0101&nbsp;0111
|87
|57
|W
|-
|0101&nbsp;1000
|88
|58
|X
|-
|0101&nbsp;1001
|89
|59
|Y
|-
|0101&nbsp;1010
|90
|5A
|Z
|-
|0101&nbsp;1011
|91
|5B
|&#x5B;
|-
|0101&nbsp;1100
|92
|5C
|\
|-
|0101&nbsp;1101
|93
|5D
|&#x5D;
|-
|0101&nbsp;1110
|94
|5E
|&#x5E;
|-
|0101&nbsp;1111
|95
|5F
|_
|}
|
{| class="wikitable"
!二进制
!十进制
!十六进制
!图形
|-
|0110&nbsp;0000
|96
|60
|`
|-
|0110&nbsp;0001
|97
|61
|a
|-
|0110&nbsp;0010
|98
|62
|b
|-
|0110&nbsp;0011
|99
|63
|c
|-
|0110&nbsp;0100
|100
|64
|d
|-
|0110&nbsp;0101
|101
|65
|e
|-
|0110&nbsp;0110
|102
|66
|f
|-
|0110&nbsp;0111
|103
|67
|g
|-
|0110&nbsp;1000
|104
|68
|h
|-
|0110&nbsp;1001
|105
|69
|i
|-
|0110&nbsp;1010
|106
|6A
|j
|-
|0110&nbsp;1011
|107
|6B
|k
|-
|0110&nbsp;1100
|108
|6C
|l
|-
|0110&nbsp;1101
|109
|6D
|m
|-
|0110&nbsp;1110
|110
|6E
|n
|-
|0110&nbsp;1111
|111
|6F
|o
|-
|0111&nbsp;0000
|112
|70
|p
|-
|0111&nbsp;0001
|113
|71
|q
|-
|0111&nbsp;0010
|114
|72
|r
|-
|0111&nbsp;0011
|115
|73
|s
|-
|0111&nbsp;0100
|116
|74
|t
|-
|0111&nbsp;0101
|117
|75
|u
|-
|0111&nbsp;0110
|118
|76
|v
|-
|0111&nbsp;0111
|119
|77
|w
|-
|0111&nbsp;1000
|120
|78
|x
|-
|0111&nbsp;1001
|121
|79
|y
|-
|0111&nbsp;1010
|122
|7A
|z
|-
|0111&nbsp;1011
|123
|7B
|&#x7B;
|-
|0111&nbsp;1100
|124
|7C
|&#x7C;
|-
|0111&nbsp;1101
|125
|7D
|&#x7D;
|-
|0111&nbsp;1110
|126
|7E
|~
|}
|}