jasperreport生成pdf_jasperreport 导出excel_jasperreport json(24)

page header on the first page using the <printWhenExpression>, based on the PAGE_NUMBER

report variable.

As we have already seen in the 4.3 Report Properties paragraph, the title section could be followed by

a page break, if the attribute isTitleNewPage is set to "true".

Page Header

This section appears at the top of each page in the generated document.

Column Header

This section appears at the top of each column in the generated document.

Detail

For each record in the data source, the engine will try to generate this section.

Column Footer

This section appears at the bottom of each column in the generated document. It never stretches

downward to acquire the content of its containing text fields and will always remain of declared fixed

height.

The JasperReports Ultimate Guide

Page 40

Page Footer

This section appears at the bottom of each page in the generated document. Just like the column footer

section above, the page footer never stretches downwards to acquire the content of its containing text

fields and will always remain of declared fixed height.

Summary

This section is generated only once per report and appears at the end of the generated document, but is

not necessarily the last section being generated.

That's because in some cases, the column footer or/and page footer of the last page can follow it.

As mentioned in the 4.3 Report Properties paragraph, the summary section can start a new page of its

own, by setting the isSummaryNewPage attribute to "true". Even if this attribute remains false, the

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