ASCII代码（ASCII Codes）
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小牛编辑
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2023-12-01
有2 7 = 128个可打印字符，可以用不同的7-BIT ASCII码表示。 另一组字符不是用于HTML表示，而是设计用于控制硬件。
下表列出了所有7-BIT ASCII代码及其等效的HTML实体代码。
如果要查看等效的HEX，OCT和扩展的ASCII代码集，请查看下一章。
7位可打印ASCII字符
| ASCII字符 | 描述 | HTML实体代码 |
|---|---|---|
| space | ||
| ! | 感叹号 | ! |
| " | quotation mark | " |
| # | number sign | # |
| $ | dollar sign | $ |
| % | 百分号 | % |
| & | ampersand | & |
| ' | apostrophe | ' |
| ( | 左括号 | ( |
| ) | 右括号 | ) |
| * | asterisk | * |
| + | plus sign | + |
| , | comma | , |
| - | hyphen | - |
| . | period | . |
| / | slash | / |
| 0 | 数字0 | 0 |
| 1 | 数字1 | 1 |
| 2 | 数字2 | 2 |
| 3 | 数字3 | 3 |
| 4 | 数字4 | 4 |
| 5 | 数字5 | 5 |
| 6 | 数字6 | 6 |
| 7 | 数字7 | 7 |
| 8 | 数字8 | 8 |
| 9 | 数字9 | 9 |
| : | colon | : |
| ; | semicolon | ; |
| < | less-than | < |
| = | equals-to | = |
| > | greater-than | > |
| ? | question mark | ? |
| @ | at sign | @ |
| A | uppercase A | A |
| B | uppercase B | B |
| C | uppercase C | C |
| D | uppercase D | D |
| E | uppercase E | E |
| F | uppercase F | F |
| G | uppercase G | G |
| H | uppercase H | H |
| I | Uppercase I | I |
| J | uppercase J | J |
| K | uppercase K | K |
| L | uppercase L | L |
| M | uppercase M | M |
| N | uppercase N | N |
| O | uppercase O | O |
| P | uppercase P | P |
| Q | uppercase Q | Q |
| R | uppercase R | R |
| S | uppercase S | S |
| T | uppercase T | T |
| U | uppercase U | U |
| V | uppercase V | V |
| W | uppercase W | W |
| X | uppercase X | X |
| Y | uppercase Y | Y |
| Z | uppercase Z | Z |
| [ | left square bracket | [ |
| \ | backslash | \ |
| ] | right square bracket | ] |
| ^ | caret | ^ |
| _ | underscore | _ |
| ` | grave accent | ` |
| a | lowercase a | a |
| b | lowercase b | b |
| c | lowercase c | c |
| d | lowercase d | d |
| e | lowercase e | e |
| f | lowercase f | f |
| g | lowercase g | g |
| h | lowercase h | h |
| i | lowercase a | i |
| j | lowercase j | j |
| k | lowercase k | k |
| l | 小写l | l |
| m | lowercase a | m |
| n | lowercase a | n |
| o | lowercase o | o |
| p | lowercase a | p |
| q | lowercase q | q |
| r | lowercase a | r |
| s | lowercase a | s |
| t | lowercase t | t |
| u | lowercase u | u |
| v | lowercase v | v |
| w | lowercase f | w |
| x | lowercase x | x |
| y | lowercase y | y |
| z | lowercase z | z |
| { | left curly brace | { |
| | | vertical bar | | |
| } | right curly brace | } |
| ~ | tilde | ~ |
7位ASCII设备控制字符
| ASCII字符 | 描述 | HTML实体代码 |
|---|---|---|
| NUL | Null Character | � |
| SOH | start of header |  |
| STX | start of text |  |
| ETX | end of text |  |
| EOT | end of transmission |  |
| ENQ | enquiry |  |
| ACK | acknowledge |  |
| BEL | bell (ring) |  |
| BS | backspace |  |
| HT | 水平标签 | |
| LF | 换行 | |
| VT | 垂直标签 |  |
| FF | form feed |  |
| CR | carriage return | |
| SO | shift out |  |
| SI | shift out |  |
| DLE | 数据链接逃脱 |  |
| DC1 | 设备控制1 |  |
| DC2 | 设备控制2 |  |
| DC3 | 设备控制3 |  |
| DC4 | 设备控制4 |  |
| NAK | negative acknowledge |  |
| SYN | synchronize |  |
| ETB | end transmission block |  |
| CAN | cancel |  |
| EM | end of medium |  |
| SUB | substitute |  |
| ESC | escape |  |
| FS | 文件分隔符 |  |
| GS | group separator |  |
| RS | record separator |  |
| US | unit separator |  |
| DEL | delete (rubout) | |