ASCII

| 十进制 | 十六/进制 | 字符/描述       | 十进制 | 十六/进制 | 字符/描述       | 十进制 | 十六/进制 | 字符/描述       | 十进制 | 十六/进制 | 字符/描述        |
|--------|----------|-----------------|--------|----------|-----------------|--------|----------|-----------------|--------|----------|------------------|
| 0      | 0x00     | NUL (空字符)    | 32     | 0x20     | (空格)          | 64     | 0x40     | @               | 96     | 0x60     | `                |
| 1      | 0x01     | SOH (标题开始)  | 33     | 0x21     | !               | 65     | 0x41     | A               | 97     | 0x61     | a                |
| 2      | 0x02     | STX (文本开始)  | 34     | 0x22     | "               | 66     | 0x42     | B               | 98     | 0x62     | b                |
| 3      | 0x03     | ETX (文本结束)  | 35     | 0x23     | #               | 67     | 0x43     | C               | 99     | 0x63     | c                |
| 4      | 0x04     | EOT (传输结束)  | 36     | 0x24     | $               | 68     | 0x44     | D               | 100    | 0x64     | d                |
| 5      | 0x05     | ENQ (询问)      | 37     | 0x25     | %               | 69     | 0x45     | E               | 101    | 0x65     | e                |
| 6      | 0x06     | ACK (确认)      | 38     | 0x26     | &               | 70     | 0x46     | F               | 102    | 0x66     | f                |
| 7      | 0x07     | BEL (响铃)      | 39     | 0x27     | '               | 71     | 0x47     | G               | 103    | 0x67     | g                |
| 8      | 0x08     | BS (退格)       | 40     | 0x28     | (               | 72     | 0x48     | H               | 104    | 0x68     | h                |
| 9      | 0x09     | HT (水平制表)   | 41     | 0x29     | )               | 73     | 0x49     | I               | 105    | 0x69     | i                |
| 10     | 0x0A     | LF (换行)       | 42     | 0x2A     | *               | 74     | 0x4A     | J               | 106    | 0x6A     | j                |
| 11     | 0x0B     | VT (垂直制表)   | 43     | 0x2B     | +               | 75     | 0x4B     | K               | 107    | 0x6B     | k                |
| 12     | 0x0C     | FF (换页)       | 44     | 0x2C     | ,               | 76     | 0x4C     | L               | 108    | 0x6C     | l                |
| 13     | 0x0D     | CR (回车)       | 45     | 0x2D     | -               | 77     | 0x4D     | M               | 109    | 0x6D     | m                |
| 14     | 0x0E     | SO (移出)       | 46     | 0x2E     | .               | 78     | 0x4E     | N               | 110    | 0x6E     | n                |
| 15     | 0x0F     | SI (移入)       | 47     | 0x2F     | /               | 79     | 0x4F     | O               | 111    | 0x6F     | o                |
| 16     | 0x10     | DLE (数据链路转义)| 48   | 0x30     | 0               | 80     | 0x50     | P               | 112    | 0x70     | p                |
| 17     | 0x11     | DC1 (设备控制1) | 49     | 0x31     | 1               | 81     | 0x51     | Q               | 113    | 0x71     | q                |
| 18     | 0x12     | DC2 (设备控制2) | 50     | 0x32     | 2               | 82     | 0x52     | R               | 114    | 0x72     | r                |
| 19     | 0x13     | DC3 (设备控制3) | 51     | 0x33     | 3               | 83     | 0x53     | S               | 115    | 0x73     | s                |
| 20     | 0x14     | DC4 (设备控制4) | 52     | 0x34     | 4               | 84     | 0x54     | T               | 116    | 0x74     | t                |
| 21     | 0x15     | NAK (否定接收)  | 53     | 0x35     | 5               | 85     | 0x55     | U               | 117    | 0x75     | u                |
| 22     | 0x16     | SYN (同步空闲)  | 54     | 0x36     | 6               | 86     | 0x56     | V               | 118    | 0x76     | v                |
| 23     | 0x17     | ETB (传输块结束)| 55     | 0x37     | 7               | 87     | 0x57     | W               | 119    | 0x77     | w                |
| 24     | 0x18     | CAN (取消)      | 56     | 0x38     | 8               | 88     | 0x58     | X               | 120    | 0x78     | x                |
| 25     | 0x19     | EM (媒体结束)   | 57     | 0x39     | 9               | 89     | 0x59     | Y               | 121    | 0x79     | y                |
| 26     | 0x1A     | SUB (替换)      | 58     | 0x3A     | :               | 90     | 0x5A     | Z               | 122    | 0x7A     | z                |
| 27     | 0x1B     | ESC (转义)      | 59     | 0x3B     | ;               | 91     | 0x5B     | [               | 123    | 0x7B     | {                |
| 28     | 0x1C     | FS (文件分隔符) | 60     | 0x3C     | <               | 92     | 0x5C     | \               | 124    | 0x7C     | \|               |
| 29     | 0x1D     | GS (组分隔符)   | 61     | 0x3D     | =               | 93     | 0x5D     | ]               | 125    | 0x7D     | }                |
| 30     | 0x1E     | RS (记录分隔符) | 62     | 0x3E     | >               | 94     | 0x5E     | ^               | 126    | 0x7E     | ~                |
| 31     | 0x1F     | US (单元分隔符) | 63     | 0x3F     | ?               | 95     | 0x5F     | _               | 127    | 0x7F     | DEL (删除)       |