排序
Order()
对查询结果进行排序，需要传两个参数
- @param
field排序的字段 - @param
sort排序规则，DESC倒序 ASC正序，默认倒叙
Order()
var user []User
err := tg.Db("user").Where("age", ">", 10).Group("age").Order().Select(&user)var user []User
err := tg.Db("user").Where("age", ">", 10).Group("age").Order().Select(&user)最终的SQL语句为：
SELECT * FROM user WHERE age > 10 ORDER BY age DESCSELECT * FROM user WHERE age > 10 ORDER BY age DESC