Documentation
[‼️]: ✏️README.mdt

# CN Util

## 中文繁简体转换

```rust
use cnu::is_cn_char;

#[test]
fn test() {
  let s = "B端工具型产品在企业环境中发挥着至关重要的作用,然而,它们的复杂性常常让用户感到困扰。引导式设计成为解决这一挑战的重要策略。通过本文,我们将深入探讨B端产品引导式设计的特殊性,以及如何通过它来提高效率、降低成本,满足用户需求,创造更大价值。";
  let f = cnu::j2f(s);
  let j = cnu::f2j(s);
  dbg!(f);
  dbg!(j);

  dbg!(is_cn_char('a'));
  dbg!(is_cn_char('我'));
}
```

输出

```

running 0 tests

test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s


running 1 test
test test ... ok

test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s


running 0 tests

test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
```

## 参考资料

中文汉字和常见英文数字等的 unicode 编码范围实例

| 字符集 | 字数 | Unicode | 编码 |
| - | - | - | - |
| 基本汉字 | 20902 || 4E00-9FA5 |
| 基本汉字补充 | 38 || 9FA6-9FCB |
| 扩展 | A | 6582 || 3400-4DB5 |
| 扩展 | B | 42711 || 20000-2A6D6 |
| 扩展 | C | 4149 || 2A700-2B734 |
| 扩展 | D | 222 || 2B740-2B81D |
| 康熙部首 | 214 || 2F00-2FD5 |
| 部首扩展 | 115 || 2E80-2EF3 |
| 兼容汉字 | 477 || F900-FAD9 |
| 兼容扩展 | 542 || 2F800-2FA1D |
| PUA(GBK) | 部件 | 81 || E815-E86F |
| 部件扩展 | 452 || E400-E5E8 |
| PUA | 增补 | 207 || E600-E6CF |
| 汉字笔画 | 36 || 31C0-31E3 |
| 汉字结构 | 12 || 2FF0-2FFB |
| 汉语注音 | 22 || 3105-3120 |
| 注音扩展 | 22 || 31A0-31BA |
|| 1 || 3007 |

[Detecting Chinese Characters in Unicode Strings](https://medium.com/the-artificial-impostor/detecting-chinese-characters-in-unicode-strings-4ac839ba313a)