docs update
This commit is contained in:
@@ -1,6 +1,40 @@
|
||||
## Orm
|
||||
## Orm 使用方法
|
||||
|
||||
beego/orm 的使用例子
|
||||
|
||||
后文例子如无特殊说明都以这个为基础。
|
||||
|
||||
##### models.go:
|
||||
|
||||
```go
|
||||
package main
|
||||
|
||||
import (
|
||||
"github.com/astaxie/beego/orm"
|
||||
)
|
||||
|
||||
type User struct {
|
||||
Id int `orm:"auto"` // 设置为auto主键
|
||||
Name string
|
||||
Profile *Profile `orm:"rel(one)"` // OneToOne relation
|
||||
orm.Manager // 每个model都需要定义orm.Manager
|
||||
}
|
||||
|
||||
type Profile struct {
|
||||
Id int `orm:"auto"`
|
||||
Age int16
|
||||
User *User `orm:"reverse(one)"` // 设置反向关系(可选)
|
||||
orm.Manager
|
||||
}
|
||||
|
||||
func init() {
|
||||
// 需要在init中注册定义的model
|
||||
orm.RegisterModel(new(User), new(Profile))
|
||||
}
|
||||
```
|
||||
|
||||
##### main.go
|
||||
|
||||
```go
|
||||
package main
|
||||
|
||||
@@ -22,20 +56,18 @@ func main() {
|
||||
|
||||
profile := NewProfile()
|
||||
profile.Age = 30
|
||||
profile.Money = 9.8
|
||||
|
||||
user := NewUser()
|
||||
user.Profile = profile
|
||||
user.UserName = "slene"
|
||||
user.Password = "password"
|
||||
user.Email = "vslene@gmail.com"
|
||||
user.IsActive = true
|
||||
user.Name = "slene"
|
||||
|
||||
fmt.Println(o.Insert(profile))
|
||||
fmt.Println(o.Insert(user))
|
||||
}
|
||||
```
|
||||
|
||||
## 数据库的设置
|
||||
|
||||
#### RegisterDriver
|
||||
|
||||
三种数据库类型
|
||||
@@ -66,12 +98,14 @@ orm 必须注册一个名称为 `default` 的数据库,用以作为默认使
|
||||
orm.RegisterDataBase("default", "mysql", "root:root@/orm_test?charset=utf8", 30)
|
||||
```
|
||||
|
||||
## Ormer
|
||||
## ORM 接口使用
|
||||
|
||||
使用 orm 必然接触的 Ormer 接口,我们来熟悉一下
|
||||
|
||||
```go
|
||||
var o Ormer
|
||||
o = orm.NewOrm() // 创建一个 Ormer
|
||||
// NewOrm 的同时会执行一次 orm.BootStrap,用以验证模型之间的定义并缓存。
|
||||
// NewOrm 的同时会执行 orm.BootStrap (整个 app 只执行一次),用以验证模型之间的定义并缓存。
|
||||
```
|
||||
|
||||
* type Ormer interface {
|
||||
@@ -84,9 +118,9 @@ o = orm.NewOrm() // 创建一个 Ormer
|
||||
* [LoadRel(Modeler, string) (int64, error)](Object.md#loadRel)
|
||||
* [QueryTable(interface{}) QuerySeter](#querytable)
|
||||
* [Using(string) error](#using)
|
||||
* [Begin() error](Transaction.md#begin)
|
||||
* [Commit() error](Transaction.md#commit)
|
||||
* [Rollback() error](Transaction.md#rollback)
|
||||
* [Begin() error](Transaction.md)
|
||||
* [Commit() error](Transaction.md)
|
||||
* [Rollback() error](Transaction.md)
|
||||
* [Raw(string, ...interface{}) RawSeter](#raw)
|
||||
* [Driver() Driver](#driver)
|
||||
* }
|
||||
@@ -133,7 +167,7 @@ Raw 函数,返回一个 [RawSeter](Raw.md) 用以对设置的 sql 语句和参
|
||||
```go
|
||||
o := NewOrm()
|
||||
var r RawSeter
|
||||
r = o.Raw("UPDATE user SET user_name = ? WHERE user_name = ?", "testing", "slene")
|
||||
r = o.Raw("UPDATE user SET name = ? WHERE name = ?", "testing", "slene")
|
||||
```
|
||||
|
||||
#### Driver
|
||||
|
||||
Reference in New Issue
Block a user