1.数据库驼峰命名转换:<setting name="mapUndersorceToCamelCase" value="true">
2.数据库id随机生成:UUID.randomUUID().toString().replaceAll("-",""); //bfd1cc7f9dbe438db9eb4badef1ae106
3.Where 标签 if 标签 choose othersize
4.sql标签片段