英文字母和中文汉字在不同字符集编码下的字节数
| 英文字母 | |
| 编码 | 字节数 |
| GB2312 | 1 |
| GBK | 1 |
| GB18030 | 1 |
| ISO-8859-1 | 1 |
| UTF-8 | 1 |
| UTF-16 | 4 |
| UTF-16BE | 2 |
| UTF-16LE | 2 |
| 中文汉字 | |
| 编码 | 字节数 |
| GB2312 | 2 |
| GBK | 2 |
| GB18030 | 2 |
| ISO-8859-1 | 1 |
| UTF-8 | 3 |
| UTF-16 | 4 |
| UTF-16BE | 2 |
| UTF-16LE | 2 |
**详细参考连接：https://blog.csdn.net/u010737354/article/details/52456570