我有以下代码:
File overitimeFile = new File(filePath+overtimeFileName);
FlatFileItemWriter<OvertimeSAPExport> overtimeItemWriter =
new FlatFileItemWriter<OvertimeSAPExport>();
overtimeItemWriter.setResource(new FileSystemResource(overitimeFile));
overtimeItemWriter.setShouldDeleteIfExists(true);
PassThroughLineAggregator<OvertimeSAPExport> lineAggregator =
new PassThroughLineAggregator<OvertimeSAPExport>();
overtimeItemWriter.setLineAggregator(lineAggregator);
overtimeItemWriter.open(new ExecutionContext());
List<OvertimeSAPExport> overtimeList = overtimeDAO.getSapOvertimeData(locationId, month);
overtimeItemWriter.write(overtimeList);
我已经为 OvertimeSAPExport 实现了 toString 方法,当我调试时,我可以看到它为列表中的每条记录输入一次 toString 并从中获取正确的字符串。它还可以毫无问题地创建文件并且不会以我的方式抛出异常,但是当我查看文件时,它是空的。
有人可以告诉我我的错误在哪里吗?