条件查询
Where() 和 WhereAnd()
可通过链式调用的方式来指定多条件的查询,但要注意 WhereAnd() 前需要有一个 Where()
- @param
field字段名 - @param
condition条件 - @param
value值
单条件查询 Where()
var user []User
err := tg.Db("user").Where("age", ">", 10).Select(&user)var user []User
err := tg.Db("user").Where("age", ">", 10).Select(&user)多条件查询 WhereAnd()
var user []User
err := tg.Db("user").Where("age", ">", 10).WhereAnd("gender", "=", 1).WhereAnd("status", "=", 2).Select(&user)var user []User
err := tg.Db("user").Where("age", ">", 10).WhereAnd("gender", "=", 1).WhereAnd("status", "=", 2).Select(&user)最终的SQL语句为:
SELECT * FROM user WHERE age = 10 AND gender = 1 AND status = 2SELECT * FROM user WHERE age = 10 AND gender = 1 AND status = 2条件对照表 condition
| 条件 | 说明 |
|---|---|
| = | 相等 |
| != | 不等于 |
| <> | 不等于 |
| > | 大于 |
| >= | 大于等于 |
| < | 小于 |
| <= | 小于等于 |