Basic concept: 1. Single-byte, double bytes: 2. Regions, languages, coding, character sets, font coding and character sets. Generally we set encoding = UTF-8 or charset = GB2312 UTF-8 And GB2312 is 3. Transcoding: Go from a code to another. For example, rotate ISO-8859-1 from GB2312. 4. Byte stream and character 5.GB2312, UTF-8, Unicode, GBK, ISO- The resolution of 8859-1. Unicode is a standard of character encoding. Currently, UTF-8 is its best implementation. UTF-8 also represents a character set. And GB2312 is similar. UTF-8 represents characters The collection is far greater than GB2312. Transcoding: such as from GB2312 to UTF-8.
