db 管理初始化

app/models/crondbmodel/cron_db.go

@@ -0,0 +1,44 @@
+package crondbmodel
+
+import (
+	"github.com/qit-team/snow-core/db"
+	"sync"
+	"time"
+)
+
+var (
+	once sync.Once
+	m    *CronDbModel
+)
+
+// 实体
+type CronDb struct {
+	DbId         string    `xorm:"'db_id' UNSIGNED INT"`
+	DbName       string    `xorm:"'db_name' varchar(20)"`
+	DbType       string    `xorm:"'db_type' varchar(10)"`
+	DbPermission int       `xorm:"'db_permission' TINYINT"`
+	Source       string    `xorm:"'source' varchar(150)"`
+	Desc         string    `xorm:"'desc' varchar(200)"`
+	CreateTime   time.Time `xorm:"'create_time' datetime"`
+	UpdateTime   time.Time `xorm:"'update_time' timestamp"`
+	Status       int       `xorm:"'status' TINYINT"`
+}
+
+// 表名
+func (m *CronDb) TableName() string {
+	return "cron_db"
+}
+
+// 私有化，防止被外部new
+type CronDbModel struct {
+	db.Model //组合基础Model，集成基础Model的属性和方法
+}
+
+// 单例模式
+func GetInstance() *CronDbModel {
+	once.Do(func() {
+		m = new(CronDbModel)
+		//m.DiName = "" //设置数据库实例连接，默认db.SingletonMain
+	})
+	return m
+}