1

dao/print_bill.go

@@ -47,3 +47,12 @@ func AddMoney(db *sqlx.Tx, printNo string, money int64) error {
 func UpdateBillToUser(db *sqlx.Tx, param *app_model.PrintBill) error {
 	return UpdateTx(db, param, []string{"user_id"}...)
 }
+
+// UpdatePrintToSystem 修改打印机账户所属用户
+func UpdatePrintToSystem(db *sqlx.Tx, printNo string) error {
+	sql := `UPDATE print_bill SET user_id =  ? WHERE print_no = ?`
+	if _, err := db.Exec(sql, []interface{}{"system", printNo}...); err != nil {
+		return err
+	}
+	return nil
+}