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我有以下代碼:Spring Batch的FlatFileItemWriter留下的空文件
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);
我已經實現了toString方法OvertimeSAPExport,當我調試,我可以看到它進入的toString一次爲每個記錄在列表中,從它得到正確的字符串。 它也創建沒有問題的文件,並且不會以我的方式引發異常,但是當我查看文件時,它是空的。
有人能告訴我我的錯誤在哪裏嗎?