SpingMVC IReport多数据源交叉报表示例

package com.pes_soft.example.ctrler; import java.text.DateFormat; import java.util.Date; import java.util.Locale; import net.sf.jasperreports.engine.JRDataSource; import net.sf.jasperreports.engine.JRException; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import com.pes_soft.example.constant.IReportFormat; import com.pes_soft.example.constant.IReportParam; import com.pes_soft.example.ds.IReportDataSourceProvider; import com.pes_soft.example.model.JavaBeanColor; import com.pes_soft.example.model.JavaBeanFruit; import com.pes_soft.example.model.JavaBeanPerson; /** * Handles requests for the application home page. */ @Controller public class HomeController { private static final Logger logger = LoggerFactory.getLogger(HomeController.class); /** * Simply selects the home view to render by returning its name. */ @RequestMapping(value = "/", method = RequestMethod.GET) public String home(Locale locale, Model model) { logger.info("Welcome home! The client locale is {}.", locale); Date date = new Date(); DateFormat dateFormat = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, locale); String formattedDate = dateFormat.format(date); model.addAttribute("serverTime", formattedDate ); return "home"; } /** * 返回iReport报表视图 * @param model * @return */ @RequestMapping(value = "/report", method = RequestMethod.GET) public String report(Model model) { // 报表数据源 JRDataSource jrDataSourceMain_Person = null; JRDataSource jrDataSourceSub_Color = null; JRDataSource jrDataSourceSub_Fruit = null; try { IReportDataSourceProvider dataSourcePerson = new IReportDataSourceProvider(JavaBeanPerson.class, JavaBeanPerson.getList()); jrDataSourceMain_Person = dataSourcePerson.create(null); IReportDataSourceProvider dataSourceColor = new IReportDataSourceProvider(JavaBeanColor.class, JavaBeanColor.getList()); jrDataSourceSub_Color = dataSourceColor.create(null); IReportDataSourceProvider dataSourceFruit = new IReportDataSourceProvider(JavaBeanFruit.class, JavaBeanFruit.getList()); jrDataSourceSub_Fruit = dataSourceFruit.create(null); } catch (JRException e) { e.printStackTrace(); } model.addAttribute("url", "/WEB-INF/jasper/MvcMultiDsCrossReportExample.jasper"); // 报表模板 model.addAttribute("format", IReportFormat.pdf.name()); // 报表输出格式 model.addAttribute("jrMainDataSource", jrDataSourceMain_Person); // 报表主数据源 model.addAttribute("jrColorDataSource", jrDataSourceSub_Color); // 报表子数据源1（柱状图[Bar Chart]） model.addAttribute("jrFruitDataSource", jrDataSourceSub_Fruit); // 报表子数据源2（饼图[Pie Chart]） return IReportParam.IREPORT_VIEW; // 对应jasper-views.xml中的bean id } }