ColdVerify_server/models/Device/DeviceClass.go

package Device

import (
	"bzd_server/conf"
	"bzd_server/logs"
	"encoding/json"
	"fmt"
	"github.com/astaxie/beego/cache"
	"github.com/beego/beego/v2/adapter/orm"
	orm2 "github.com/beego/beego/v2/client/orm"
	_ "github.com/go-sql-driver/mysql"
	"time"
)
// 模板
type DeviceClass struct {
	Id int `orm:"column(ID);size(11);auto;pk"`
	T_uuid  string `orm:"size(256);null"`  // 管理员 UUID
	T_name  string `orm:"size(256);null"`  // 标题

	T_State    int       `orm:"size(2);1"`                                             // 0 删除   1 正常
	CreateTime time.Time `orm:"column(create_time);type(timestamp);null;auto_now_add"` //auto_now_add 第一次保存时才设置时间
	UpdateTime time.Time `orm:"column(update_time);type(timestamp);null;auto_now"`     //auto_now 每次 model 保存时都会对时间自动更新
}

func (t *DeviceClass) TableName() string {
	return "DeviceClass" // 数据库名称   // ************** 替换 FormulaList **************
}

var redisCache_DeviceClass cache.Cache

func init() {

	//注册模型
	orm.RegisterModel(new(DeviceClass))

	config := fmt.Sprintf(`{"key":"%s","conn":"%s","dbNum":"%s","password":"%s"}`,
		"redis_"+"DeviceClass", conf.Redis_address, conf.Redis_dbNum, conf.Redis_password)
	logs.Println(config)
	var err error
	redisCache_DeviceClass, err = cache.NewCache("redis", config)
	if err != nil || redisCache_DeviceClass == nil {
		errMsg := "failed to init redis"
		logs.Println(errMsg, err)

	}
}

// ---------------- Redis -------------------
//Redis_Set(m.T_sn,m) // Redis 更新缓存
func Redis_DeviceClass_Set(key string, r DeviceClass) (err error) {
	//json序列化
	str, err := json.Marshal(r)
	if err != nil {
		logs.Println(err)
		return
	}
	err = redisCache_DeviceClass.Put(key, str, 24*time.Hour)
	if err != nil {
		logs.Println("set key:", key, ",value:", str, err)
	}
	return
}

//if r,is :=Redis_Get(T_sn);is{
//return r,nil
//}
func Redis_DeviceClass_Get(key string) (r DeviceClass, is bool) {
	if redisCache_DeviceClass.IsExist(key) {
		logs.Println("找到key:", key)
		v := redisCache_DeviceClass.Get(key)
		json.Unmarshal(v.([]byte), &r)
		return r, true
	}
	logs.Println("没有 找到key:", key)
	return DeviceClass{}, false
}
func Redis_DeviceClass_DelK(key string) (err error) {
	err = redisCache_DeviceClass.Delete(key)
	return
}

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

// 获取 ById
func Read_DeviceClass_ById(id int) (r DeviceClass, is bool) {
	o := orm.NewOrm()
	r = DeviceClass{Id: id}
	err := o.Read(&r) // o.Read(&r,"Tokey") 如果不是 主键 就得指定字段名
	if err != nil {
		logs.Println(err)
		return r, false
	}
	return r, true
}

// 添加
func Add_DeviceClass(r DeviceClass) (id int64, is bool) {
	o := orm.NewOrm()


	id, err := o.Insert(&r)
	if err != nil {
		logs.Println(err)
		return 0, false
	}

	return id, true
}

// 删除
func Delete_DeviceClass(v DeviceClass) bool {
	o := orm.NewOrm()
	if num, err := o.Delete(&v); err == nil {
		logs.Println("Number of records deleted in database:", num)
	} else {
		return false
	}

	return true
}

// 删除
func Delete_DeviceClass_(v DeviceClass) bool {
	o := orm.NewOrm()
	v.T_State = 0
	if num, err := o.Update(&v, "T_State"); err == nil {
		fmt.Println("Number of records updated in database:", num)
	} else {
		return false
	}


	return true
}

// 修改
func Update_DeviceClass(m DeviceClass,cols ...string) bool {
	o := orm.NewOrm()
	if num, err := o.Update(&m, cols...); err == nil {
		fmt.Println("Number of records updated in database:", num)

		return true
	}
	return false
}

// 获取列表
func Read_DeviceClass_List(T_uuid string, T_name string,  page int, page_z int) (r []DeviceClass, cnt int64) {

	o := orm.NewOrm()
	// 也可以直接使用 Model 结构体作为表名

	qs := o.QueryTable(new(DeviceClass))
	var offset int64
	if page <= 1 {
		offset = 0
	} else {
		offset = int64((page - 1) * page_z)
	}
	cond := orm.NewCondition()
	cond1 := cond.And("T_uuid", T_uuid).And("T_name__icontains", T_name).And("T_State", 1) // .AndNot("status__in", 1).Or("profile__age__gt", 2000)

	qs.Limit(page_z, offset).SetCond((*orm2.Condition)(cond1)).OrderBy("-Id").All(&r)
	cnt, _ = qs.SetCond((*orm2.Condition)(cond1)).Count()
	return r, cnt
}