我尝试导出 csv 文件,但发现错误,所有值都设置为一列,而不是两列或三列,这是输出示例:
导出文件的java代码:
public writeFile(List<Test> tests) throws Exception {
FlatFileItemWriter<Test> flatFileItemWriter
= new FlatFileItemWriter<Test>();
flatFileItemWriter.setResource
(new FileSystemResource
("/data/outputData.csv"));
flatFileItemWriter.setLineAggregator(getDelimitedLineAggregator());
flatFileItemWriter.open(new ExecutionContext());
flatFileItemWriter.write(tests);
flatFileItemWriter.close();
return flatFileItemWriter;
}
private DelimitedLineAggregator<Test> getDelimitedLineAggregator() {
BeanWrapperFieldExtractor<Test> beanWrapperFieldExtractor = new BeanWrapperFieldExtractor<Test>();
beanWrapperFieldExtractor.setNames(new String[] {"Id", "typeTest1", "typeTest2"});
DelimitedLineAggregator<Test > aggregator = new DelimitedLineAggregator<Test>();
aggregator.setDelimiter(",");
aggregator.setFieldExtractor(beanWrapperFieldExtractor);
return aggregator;
}
文件导出了但是输出不好,所有数据在一列中一行,如何使数据在多列中一行,而且我在设置标题时发现标题值甚至错误,所有值在一列中。
感谢先进