global class SparePartsSequencingBatchSchedule implements Schedulable {
    global void execute(SchedulableContext SC) {
        //每月1号运行 
        String todayStr = Datetime.now().format('yyyy/MM/dd');
        if (todayStr.endsWith('01')) {
            Id execBTId = Database.executeBatch(new SparePartsSequencingBatch(),1);
        }
    }
}