字符编码¶

ASCII

ISO-8859-1

GB2312

GBK

GB18030

区位码

内码

向下兼容

同一个字符在这些方案中总是有相同的编码，后面的标准支持更多的字符.

Unicdoe Universal Mutliple-Octet Coded Character Set

Liteele Endiam Big Endian

UCS Universal Character Set

UCS-2 UCS-4 BMP Basic Multilingual Plane

UTF Unicode Transformation Format

UTF-8 UTF-16 UTF-32 BOM Byte Order Mark

Unicdoe ==> UTF-8