Three Java open-source report tools/components.

Open-source reporting tools to be used in development include:IReport-0.5.0,Jasperreports-0.6.7,

Jfreechart-0.9.21, Which are described as follows:

Ireport

Ireport Yes Jasperreports Powerful, intuitive, and easy-to-use visual report designer Visual J ++ Is Win32 Platform writing. Ireport Allows users to edit data visually. XML jasperdesign File, which can be used with other databases JDBC Communication. When designing a template, you can Html , Excel , PDF And other methods. . Jrxml , . Jasper Two types of files: . Jrxml It was visually edited during design. XML File, . Jasper Is compiled . Jrxml The generated class file is the report template file that we finally use in the project. ( Http://ireport.sourceforge.net )

Jasperreports

Jasperreports Is Java Open-source report tool, which can be found in Java Environment is similar to other IDE Report tool (Here we use Ireport To create reports. Jasperreports Supported PDF , Html , Xls , CSV And XML File output format. Jasperreports Yes current Java The most common reporting tool for developers. ( Http://www.jaspersoft.com )

Jfreechart

JfreechartIt is mainly used to create a variety of charts, including: pie chart, bar chart(Normal Bar Chart and stack column chart), Line chart, Area Chart, distribution chart, hybrid chart, Gantt chart, and some dashboard (Here we only encapsulate common pie chart, column chart, and line chart ). (Http://www.jfree.org/jfreechart/index.php)

Among the above three development tools,IReport-0.5.0IntegrationJasperreports-0.6.7,Jfreechart-0.9.21, So useIRepot-0.5.0You can develop reports, but inIreportIs not used for the development of graph statistics reports, but directly reference its component package for self-writing class development (because of the development of graph statisticsIreportIs not supported ).