1

dao/print_dao.go

@@ -285,3 +285,13 @@ func UpdatePrintUser(db *sqlx.Tx, userId, printNo string) error {
 	}
 	return nil
 }
+
+// ClearPrintMsg 清空打印机消息
+func ClearPrintMsg(printNo string) error {
+	sql := `UPDATE print_msg SET status = ? WHERE print_no = ? AND status = ?`
+	_, err := globals.GetDB().Exec(sql, []interface{}{model.PrintMsgErr, printNo, model.PrintMsgWait}) // 1-待打印
+	if err != nil {
+		return err
+	}
+	return nil
+}