MySQL solves the problem of garbled pages

Set the site encoding to Utf-8, which is compatible with all characters in the world.
If the site has been working for a long time, there are many old data, can not change the setting of Simplified Chinese, then it is recommended to set the page encoding GBK, GBK and GB2312 is the difference between: GBK can show more characters than GB2312, to show the simplified code of traditional characters, you can only use GBK.
1. Edit/etc/my.cnf, add Default_character_set=utf8 in [MySQL] section;
2. When writing the connection URL, add the useunicode=true&characterencoding=utf-8 parameter;
3. Add a "Set names UTF8" or "Set names GBK" instruction in the Web page code to tell MySQL to use the contents of the connection

MySQL solves the problem of garbled pages