- move some funcs from jxtools to dao.

business/model/dao/dao.go

@@ -56,6 +56,18 @@ func GetDB() *DaoDB {
 	return &DaoDB{db: orm.NewOrm()}
 }
 
+func Begin(db *DaoDB) error {
+	return db.db.Begin()
+}
+
+func Commit(db *DaoDB) error {
+	return db.db.Commit()
+}
+
+func Rollback(db *DaoDB) error {
+	return db.db.Rollback()
+}
+
 func GetRow(db *DaoDB, inPtr interface{}, sql string, values ...interface{}) (err error) {
 	if db == nil {
 		db = GetDB()
@@ -154,7 +166,7 @@ func DeleteEntity(db *DaoDB, item interface{}, conditions map[string]interface{}
 	err = utils.CallFuncLogError(func() error {
 		qs := db.db.QueryTable(item)
 		if len(conditions) == 0 {
-			qs = qs.Filter("ID", jxutils.GetObjFieldByName(item, model.FieldID))
+			qs = qs.Filter(model.FieldID, jxutils.GetObjFieldByName(item, model.FieldID))
 		} else {
 			for k, v := range conditions {
 				qs = qs.Filter(k, v)