在网上已经转悠好几天了, 这篇文章让我知道了UTF-16的前世今生, 感谢作者https://cloud.tencent.com/developer/article/1384687 1. UTF-16编码方式源于UCS-2(Universal Character Set coded in 2 octets.2-byte Universal Character Set).而UCS-2,是早期遗留下来的历史产物. UCS-2将字符编号直接映射为字符编码(CEF,而非CES,详见前文中对现代字符编码模