Cold_mqtt/models/Device/DeviceSnOld.go

package Device

import (
	"github.com/beego/beego/v2/adapter/orm"
	_ "github.com/go-sql-driver/mysql"
)

type DeviceSnOld struct {
	Id   int    `orm:"column(ID);size(11);auto;pk"`
	T_sn string `orm:"size(256);"` // 分类
}

func (t *DeviceSnOld) TableName() string {
	return "device_sn_old" // 数据库名称   // ************** 替换 DesignClass **************
}

func init() {
	//注册模型
	orm.RegisterModel(new(DeviceSnOld))

}

// ---------------- 特殊方法 -------------------

// 添加
func Add_DeviceSnOld(T_sn string) {
	o := orm.NewOrm()
	user := DeviceSnOld{T_sn: T_sn}
	// 三个返回参数依次为：是否新创建的，对象 Id 值，错误
	o.ReadOrCreate(&user, "T_sn")
}