Golang:string 与 strconv.Itoa 的区别
Example
我们来尝试打印 0 到 100 的对应结果:
1 | package main |
结果:
说明:结果剔除了一些不可见元素
| i | string | strconv.Itoa |
|---|---|---|
| 33 | ! | 33 |
| 34 | “ | 34 |
| 35 | # | 35 |
| 36 | $ | 36 |
| 37 | % | 37 |
| 38 | & | 38 |
| 39 | ‘ | 39 |
| 40 | ( | 40 |
| 41 | ) | 41 |
| 42 | * | 42 |
| 43 | + | 43 |
| 44 | , | 44 |
| 45 | - | 45 |
| 46 | . | 46 |
| 47 | / | 47 |
| 48 | 0 | 48 |
| 49 | 1 | 49 |
| 50 | 2 | 50 |
| 51 | 3 | 51 |
| 52 | 4 | 52 |
| 53 | 5 | 53 |
| 54 | 6 | 54 |
| 55 | 7 | 55 |
| 56 | 8 | 56 |
| 57 | 9 | 57 |
| 58 | : | 58 |
| 59 | ; | 59 |
| 60 | < | 60 |
| 61 | = | 61 |
| 62 | > | 62 |
| 63 | ? | 63 |
| 64 | @ | 64 |
| 65 | A | 65 |
| 66 | B | 66 |
| 67 | C | 67 |
| 68 | D | 68 |
| 69 | E | 69 |
| 70 | F | 70 |
| 71 | G | 71 |
| 72 | H | 72 |
| 73 | I | 73 |
| 74 | J | 74 |
| 75 | K | 75 |
| 76 | L | 76 |
| 77 | M | 77 |
| 78 | N | 78 |
| 79 | O | 79 |
| 80 | P | 80 |
| 81 | Q | 81 |
| 82 | R | 82 |
| 83 | S | 83 |
| 84 | T | 84 |
| 85 | U | 85 |
| 86 | V | 86 |
| 87 | W | 87 |
| 88 | X | 88 |
| 89 | Y | 89 |
| 90 | Z | 90 |
| 91 | [ | 91 |
| 92 | \ | 92 |
| 93 | ] | 93 |
| 94 | ^ | 94 |
| 95 | _ | 95 |
| 96 | ` | 96 |
| 97 | a | 97 |
| 98 | b | 98 |
| 99 | c | 99 |
| 100 | d | 100 |
ASCII
我摘录了点百度的 ASCII 编码

总结
string实际是将int通过ASCII转换为对应的字符strconv.Itoa则是将int转换为 字符串类型

