beego增删改查

package main

import (
    "fmt"
    "github.com/astaxie/beego/orm"
    _ "github.com/go-sql-driver/mysql" // import your used driver
)

// Model Struct
type User struct {
    Id   int
    Name string `orm:"size(100)"`
}

func init() {
    // set default database
    orm.RegisterDataBase("default", "mysql", "username:password@tcp(127.0.0.1:3306)/db_name?charset=utf8", 30)

    // register model
    orm.RegisterModel(new(User))

    // create table
    orm.RunSyncdb("default", false, true)
}

func main() {
    o := orm.NewOrm()

    user := User{Name: "slene"}

    // insert
    id, err := o.Insert(&user)
    fmt.Printf("ID: %d, ERR: %v
", id, err)

    // update
    user.Name = "astaxie"
    num, err := o.Update(&user)
    fmt.Printf("NUM: %d, ERR: %v
", num, err)

    // read one
    u := User{Id: user.Id}
    err = o.Read(&u)
    fmt.Printf("ERR: %v
", err)

    // delete
    num, err = o.Delete(&u)
    fmt.Printf("NUM: %d, ERR: %v
", num, err)
}

　　

package controllers

import (
   "encoding/json"
   "fmt"
   "github.com/astaxie/beego"
   "github.com/astaxie/beego/orm"
   _ "github.com/go-sql-driver/mysql" // import your used driver
   "strconv"
)
var (
   o orm.Ormer
    err error
)
func init()  {
   // set default database
   orm.RegisterDataBase("default", "mysql", "root:root@tcp(192.168.40.10:3306)/wang?charset=utf8", 30)

   // register model
   orm.RegisterModel(new(User))

   // create table
   orm.RunSyncdb("default", false, true)
   o = orm.NewOrm()
}
type UserController struct {
   beego.Controller
}

type User struct {
   Id int
   Name string `form:"name"`
   Age  int    `form:"age"`
   Sex  string `form:"sex" orm:"size(100)"`
}

func (this *UserController) UserList() {
   var users []User
   num, err := o.QueryTable("user").All(&users)
   fmt.Printf("Returned Rows Num: %s, %s", num, err)
   this.Data["json"] = users
   this.ServeJSON()

}

func (this *UserController) AddUser() {
   user := User{}
   if err := this.ParseForm(&user); err != nil {
      fmt.Println(err)
   }
   id, err := o.Insert(&user)
   fmt.Printf("ID: %d, ERR: %v
", id, err)

   this.Ctx.WriteString("用户新增成功# "+strconv.Itoa(int(id)))

}

func (this *UserController) EditUser() {
   var err error
   user := User{}
   if err = json.Unmarshal(this.Ctx.Input.RequestBody, &user); err == nil {
      this.Data["json"] = user
   } else {
      this.Data["json"] = err.Error()
   }
   this.ServeJSON()
}

func (this *UserController) DeleteUser() {
   id := this.GetString(":id")
   this.Ctx.WriteString("删除用户#" + id)
}

func (this *UserController) GetUserInfo() {
   id := this.GetString(":id")
   i, _ := strconv.Atoi(id)
   // read one
   //user := User{Id: i}
   //err = o.Read(&user)
   //fmt.Printf("ERR: %v
", err)

   var user User
   err := o.Raw("SELECT * FROM user WHERE id = ?", i).QueryRow(&user)
   if err != nil {
      fmt.Println(err)
   }
   this.Data["json"] = user
   this.ServeJSON()
}

　　

https://beego.me/docs/mvc/model/overview.md

https://beego.me/docs/mvc/model/rawsql.md