The difference between UTF-8 encoding and GBK coding

First, separating from the byte

GBK's text encoding is expressed in two-byte notation, that is, both Chinese and English characters use double-byte notation, except that the highest bits are set to 1 for distinguishing Chinese.

UTF-8 encoding is a multi-byte encoding used to solve international characters, which uses 8 bits (that is, one byte) in English and uses 24 bits (three bytes) in Chinese to encode. More forums for English characters use UTF-8 to save space.

Second, on the character distinction

GBK contains all Chinese characters;

UTF-8 contains the characters that all countries in the world need to use.

Third, coding on the distinction between

GBK is the standard of compatible GB2312 after GB2312 on the basis of national standard (as if it is not national standard)

UTF-8 encoded text can be displayed in various countries that support the UTF8 character set browser.

For example, if it is UTF8 code, it can also display Chinese on foreigners ' English ie, without the need for them to download IE's Chinese language support package. Therefore, for the English more forums, using GBK each character occupies 2 bytes, and the use of UTF-8 English is only one byte.

Fourth, use on the distinction

GBK is China's national code, versatility than UTF8, but UTF8 occupy a larger database than GBK, and is generally do the forum dz These procedures, corresponding components and plug-ins to support GBK corresponding development of a more comprehensive point, and then more convenient when DIY.

UTF8 is an international code, its versatility is better, foreigners can also browse the forum, and Chinese can be directly identified, if your forum to do more internationalization that must be used UTF8.

Add: UTF8 more traditional support than GBK have the advantage drop.

For DZ Forum, a lot of plug-ins are only supported GBK, if you need to install more Plug-ins forum or use GBK better, and to install fewer plug-ins and have a special user group forum with UTF8 better.

Therefore, if you do the forum is only a specific domestic circle in the use of GBK simple point, the basic plug-ins can be installed, but if your station has foreign market needs on the proposal UTF8,

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