直接不用再网页上显示，调用本地打印机打印，只需添加这句：

//直接调用本地打印机打印
JasperPrintManager.printReport(jasperPrint, false);

package com.report

import com.status.ReportExportMode
import net.sf.jasperreports.engine.JRDataSource
import net.sf.jasperreports.engine.JRException
import net.sf.jasperreports.engine.JRExporter
import net.sf.jasperreports.engine.JRExporterParameter
import net.sf.jasperreports.engine.JasperCompileManager
import net.sf.jasperreports.engine.JasperFillManager
import net.sf.jasperreports.engine.JasperPrint
import net.sf.jasperreports.engine.JasperPrintManager
import net.sf.jasperreports.engine.JasperReport
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource
import net.sf.jasperreports.engine.export.JRHtmlExporter
import net.sf.jasperreports.engine.export.JRHtmlExporterParameter
import net.sf.jasperreports.engine.export.JRPdfExporter
import net.sf.jasperreports.engine.export.JRRtfExporter
import net.sf.jasperreports.engine.export.JRXlsExporter
import net.sf.jasperreports.engine.export.JRXlsExporterParameter
import net.sf.jasperreports.engine.util.JRLoader

import javax.servlet.ServletContext
import javax.servlet.ServletOutputStream
import javax.servlet.http.HttpServletRequest
import javax.servlet.http.HttpServletResponse

class ExpeortReportService {

/**
     *  获取打印报表
* @param request
     * @param response
     * @param reportId      模板名称，不带后缀
* @param exportMode    导出格式：PDF/EXCEL/RTF/WORD/HTML
     * @param parameterMap  map数据
* @param dataList      模板集合数据
* @param downloadFileName 下载的文件名
* @throws Exception
     */
public static void exportReport(HttpServletRequest request, HttpServletResponse response, String reportId,
                                    String exportMode, Map parameterMap, List dataList, String downloadFileName) throws Exception {
try {
            ServletContext servletContext = request.getSession().getServletContext()
            File jasperFile = new File(servletContext.getRealPath(File.separator+"templates"+File.separator+"jasper"+ File.separator + reportId + ".jasper"))
if (!jasperFile.exists()) {
                String tempPath = servletContext.getRealPath(File.separator+"templates"+File.separator+"jrxml"+File.separator + reportId+".jrxml")
//编译后的.jasper文件存放路径
String jrxmlDestSourcePath = servletContext.getRealPath(File.separator+"templates")+File.separator+"jasper"+File.separator+reportId+".jasper"
JasperCompileManager.compileReportToFile(tempPath,jrxmlDestSourcePath)
            }

if (parameterMap == null) {
                parameterMap = new HashMap()
            }
            JasperReport jasperReport = (JasperReport) JRLoader.loadObject(jasperFile)
            JasperPrint jasperPrint = null
JRDataSource source = new JRBeanCollectionDataSource(dataList)
            jasperPrint = JasperFillManager.fillReport(jasperReport, parameterMap, source)

if (request.getHeader("User-Agent").toLowerCase().indexOf("firefox") > 0)
                downloadFileName = new String(downloadFileName.getBytes("UTF-8"), "ISO8859-1")// firefox浏览器
else if (request.getHeader("User-Agent").toUpperCase().indexOf("MSIE") > 0)
                downloadFileName = new String(downloadFileName.getBytes("gb2312"), "ISO8859-1")// IE浏览器
else
downloadFileName = new String(downloadFileName.getBytes("UTF-8"), "ISO8859-1")// firefox浏览器

if (ReportExportMode.EXP_PDF_MODE.equalsIgnoreCase(exportMode)) {
exportPdf(response, jasperPrint, downloadFileName)
            } else if (ReportExportMode.EXP_EXCEL_MODE.equalsIgnoreCase(exportMode)) {
exportExcel(response, jasperPrint, downloadFileName)
            } else if ("WORD".equals(exportMode)) {
exportWord(response, jasperPrint, downloadFileName)
            } else if ("RTF".equals(exportMode)) {
exportRTF(response, jasperPrint, downloadFileName)
            } else if ("HTML".equals(exportMode)) {
exportHtml(response, jasperPrint, downloadFileName)
            }
        } finally {

        }
    }

/**
     * pdf导出
*/
private static void exportPdf(HttpServletResponse response, JasperPrint jasperPrint, String downloadFileName)
throws JRException, IOException {
        ServletOutputStream ouputStream = response.getOutputStream()

try {
            JRPdfExporter exporter = new JRPdfExporter()
            exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint)
            exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, ouputStream)

//屏蔽copy功能
//            exporter.setParameter(JRPdfExporterParameter.,Boolean.TRUE)

response.setContentType("application/pdf;charset=utf-8")
            response.setHeader("Content-Disposition", "attachment;filename=" + downloadFileName + ".pdf")
            exporter.exportReport()
            ouputStream.flush()
        } finally {
try {
                ouputStream.close()
            } catch (Exception e) {
            }
        }
    }

/**
     * excel导出
*/
private static void exportExcel(HttpServletResponse response, JasperPrint jasperPrint, String downloadFileName)
throws JRException, IOException {
        ServletOutputStream ouputStream = response.getOutputStream()

try {
            JRXlsExporter exporter = new JRXlsExporter()
            exporter.setParameter(JRXlsExporterParameter.JASPER_PRINT, jasperPrint)
            exporter.setParameter(JRXlsExporterParameter.OUTPUT_STREAM, ouputStream)
            response.setContentType("application/vnd.ms-excel;charset=utf-8")
            response.setHeader("Content-Disposition", "attachment;filename=" + downloadFileName + ".xls")
// 删除记录最下面的空行
exporter.setParameter(JRXlsExporterParameter.IS_REMOVE_EMPTY_SPACE_BETWEEN_ROWS,Boolean.TRUE)
// 删除多余的ColumnHeader
exporter.setParameter(JRXlsExporterParameter.IS_ONE_PAGE_PER_SHEET,Boolean.FALSE)
//禁用白色背景
exporter.setParameter(JRXlsExporterParameter.IS_WHITE_PAGE_BACKGROUND,Boolean.FALSE)
            exporter.exportReport()
            ouputStream.flush()
        } finally {
try {
                ouputStream.close()
            } catch (Exception e) {
            }
        }
    }

/**
     * 导出word
     */
private static void exportWord(HttpServletResponse response, JasperPrint jasperPrint, String downloadFileName)
throws JRException, IOException {
        ServletOutputStream ouputStream = response.getOutputStream()

try {
            JRExporter exporter = new JRRtfExporter()
            exporter.setParameter(JRXlsExporterParameter.JASPER_PRINT, jasperPrint)
            exporter.setParameter(JRXlsExporterParameter.OUTPUT_STREAM, ouputStream)

            response.setContentType("application/msword;charset=utf-8")
            response.setHeader("Content-Disposition", "attachment;filename=" + downloadFileName + ".doc")
            exporter.exportReport()
            ouputStream.flush()
        } finally {
try {
                ouputStream.close()
            } catch (Exception e) {
            }
        }
    }

/**
     * 导出RTF
     */
private static void exportRTF(HttpServletResponse response, JasperPrint jasperPrint, String downloadFileName)
throws JRException, IOException {
        ServletOutputStream ouputStream = response.getOutputStream()

try {
            JRExporter exporter = new JRRtfExporter()
            exporter.setParameter(JRXlsExporterParameter.JASPER_PRINT, jasperPrint)
            exporter.setParameter(JRXlsExporterParameter.OUTPUT_STREAM, ouputStream)

            response.setContentType("application/rtf;charset=utf-8")
            response.setHeader("Content-Disposition", "attachment;filename=" + downloadFileName + ".rtf")
            exporter.exportReport()
            ouputStream.flush()
        } finally {
try {
                ouputStream.close()
            } catch (Exception e) {
            }
        }
    }

/**
     * 导出html
     */
private static void exportHtml(HttpServletResponse response, JasperPrint jasperPrint, String downloadFileName)
throws JRException, IOException {
        ServletOutputStream ouputStream = response.getOutputStream()

try {
            JRHtmlExporter exporter = new JRHtmlExporter()


            exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint)
            exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, ouputStream)
            exporter.setParameter(JRExporterParameter.CHARACTER_ENCODING, "UTF-8")
//默认情况下用的是px,会导致字体缩小
exporter.setParameter(JRHtmlExporterParameter.SIZE_UNIT,"pt")
//移除空行
exporter.setParameter(JRHtmlExporterParameter.IS_REMOVE_EMPTY_SPACE_BETWEEN_ROWS,Boolean.TRUE)
//线条不对齐的解决方法
exporter.setParameter(JRHtmlExporterParameter.FRAMES_AS_NESTED_TABLES,Boolean.FALSE)
            exporter.setParameter(JRHtmlExporterParameter.IS_USING_IMAGES_TO_ALIGN, Boolean.FALSE)
            response.setContentType("text/html;charset=utf-8")
            exporter.exportReport()
            ouputStream.flush()
        } finally {
try {
                ouputStream.close()
            } catch (e) {
            }
        }
    }
}