SpringBoot整合JasperReports下载PDF

　　主要功能点：
　　SpringBootWeb整合JasperReports，在浏览器地址栏输入访问地址会直接下载PDF报表文件；整合过程中遇到的两个比较费时间的问题：Maven依赖包下载失败：Cannotresolvecom。lowagie：itext：2。1。7。js8；生成的PDF文件中中文不显示。1、Maven依赖dependencygroupIdorg。springframework。bootgroupIdspringbootstarterwebartifactIddependencydependencygroupIdnet。sf。jasperreportsgroupIdjasperreportsartifactIdversion6。19。1versionexclusionsexclusiongroupIdcom。lowagiegroupIditextartifactIdexclusionexclusionsdependencydependencygroupIdnet。sf。jasperreportsgroupIdjasperreportsfontsartifactIdversion6。19。1versiondependencydependencygroupIdcom。lowagiegroupIditextartifactIdversion2。1。7versiondependency2、报表内容
　　报表文件名称：employeesdetails。jrxml
　　报表文件路径：srcmainresourcesemployeesdetails。jrxmllt；？xmlversion1。0encodingUTF8？！CreatedwithJaspersoftStudioversion6。19。1。finalusingJasperReportsLibraryversion6。19。1867c00bf88cd4d784d404379d6c05e1b419e8a4cjasperReportxmlnshttp：jasperreports。sourceforge。netjasperreportsxmlns：xsihttp：www。w3。org2001XMLSchemainstancexsi：schemaLocationhttp：jasperreports。sourceforge。netjasperreportshttp：jasperreports。sourceforge。netxsdjasperreport。xsdnameEmployeepageWidth595pageHeight842columnWidth555leftMargin20rightMargin20topMargin20bottomMargin20uuid37175dba8b89474d834109d431dce38fstylenameTableTHmodeOpaquebackcolorF0F8FFboxpenlineWidth0。5lineColor000000topPenlineWidth0。5lineColor000000leftPenlineWidth0。5lineColor000000bottomPenlineWidth0。5lineColor000000rightPenlineWidth0。5lineColor000000boxstylestylenameTableTDmodeOpaquebackcolorFFFFFFboxpenlineWidth0。5lineColor000000topPenlineWidth0。5lineColor000000leftPenlineWidth0。5lineColor000000bottomPenlineWidth0。5lineColor000000rightPenlineWidth0。5lineColor000000boxstylestylenameTableCHmodeOpaquebackcolorBFE1FFboxpenlineWidth0。5lineColor000000topPenlineWidth0。5lineColor000000leftPenlineWidth0。5lineColor000000bottomPenlineWidth0。5lineColor000000rightPenlineWidth0。5lineColor000000boxstylesubDatasetnameDataset1uuid01ae53ec87c941de867dbd79f5d4e77cpropertynamecom。jaspersoft。studio。data。defaultdataadaptervalueOneEmptyRecordqueryString！〔CDATA〔〕〕queryStringfieldnameidclassjava。lang。Integerfieldnamenameclassjava。lang。Stringfieldnameroleclassjava。lang。Stringfieldnameaddressclassjava。lang。StringsortFieldnameidvariablenametotalEmployeesclassjava。lang。IntegercalculationDistinctCountvariableExpression！〔CDATA〔F｛id｝〕〕variableExpressionvariablesubDatasetparameternameCompanyNameclassjava。lang。StringparameternameemployeeDataclassnet。sf。jasperreports。engine。data。JRBeanCollectionDataSourcequeryString！〔CDATA〔〕〕queryStringfieldnamenameclassjava。lang。Stringfieldnameidclassjava。lang。Integerfieldnameroleclassjava。lang。Stringfieldnameaddressclassjava。lang。StringbackgroundbandsplitTypeStretchbackgroundtitlebandheight86splitTypeStretchbandtitlepageHeaderbandheight31splitTypeStretchlinereportElementx0y15width555height1uuid04a9c4d5af684738b280249876a779f3propertynamecom。jaspersoft。studio。unit。heightvaluepxreportElementgraphicElementpenlineStyleDashedgraphicElementlinebandpageHeaderdetailbandheight170splitTypeStretchpropertynamecom。jaspersoft。studio。unit。heightvaluepxcomponentElementreportElementx0y0width555height170uuid5865012536534fa69154b9c084419a71propertynamecom。jaspersoft。studio。layoutvaluecom。jaspersoft。studio。editor。layout。VerticalRowLayoutpropertynamecom。jaspersoft。studio。table。style。tableheadervalueTableTHpropertynamecom。jaspersoft。studio。table。style。columnheadervalueTableCHpropertynamecom。jaspersoft。studio。table。style。detailvalueTableTDreportElementjr：tablexmlns：jrhttp：jasperreports。sourceforge。netjasperreportscomponentsxsi：schemaLocationhttp：jasperreports。sourceforge。netjasperreportscomponentshttp：jasperreports。sourceforge。netxsdcomponents。xsddatasetRunsubDatasetDataset1uuid33e34648091e48f9b2c92defadbd03fbdataSourceExpression！〔CDATA〔P｛employeeData｝〕〕dataSourceExpressiondatasetRunjr：columnwidth100uuidfed73b20211a48efbf45eb5f50e0d41bpropertynamecom。jaspersoft。studio。components。table。model。column。namevalueColumn1jr：tableFooterstyleTableTHheight30rowSpan1staticTextreportElementx0y0width100height30uuidb219724fdf8840668fc3db986efed088textElementtextAlignmentCenterverticalAlignmentMiddletext！〔CDATA〔TotalEmployees〕〕textstaticTextjr：tableFooterjr：columnHeaderstyleTableCHheight30rowSpan1staticTextreportElementx0y0width100height30uuid6e4a6eb9750346c2b199cb78736d4827textElementtextAlignmentCenterverticalAlignmentMiddlefontfontName华文宋体textElementtext！〔CDATA〔ID〕〕textstaticTextjr：columnHeaderjr：columnFooterstyleTableCHheight30rowSpan1jr：detailCellstyleTableTDheight30textFieldreportElementx0y0width100height30uuide04148fe44064817bf7ca75a1837a834textElementtextAlignmentCenterverticalAlignmentMiddlefontfontName华文宋体textElementtextFieldExpression！〔CDATA〔F｛id｝〕〕textFieldExpressiontextFieldjr：detailCelljr：columnjr：columnwidth100uuidc805b32b99784ad993c864fb6ebdc310propertynamecom。jaspersoft。studio。components。table。model。column。namevalueColumn2jr：tableFooterstyleTableTHheight30rowSpan1textFieldreportElementx0y0width100height30uuid8b6f360354684ed892d62744856cfbectextElementtextAlignmentCenterverticalAlignmentMiddletextFieldExpression！〔CDATA〔V｛totalEmployees｝〕〕textFieldExpressiontextFieldjr：tableFooterjr：columnHeaderstyleTableCHheight30rowSpan1staticTextreportElementx0y0width100height30uuidae32a33c1f5c4045b8d6738226f2881etextElementtextAlignmentCenterverticalAlignmentMiddlefontfontName华文宋体textElementtext！〔CDATA〔员工姓名〕〕textstaticTextjr：columnHeaderjr：columnFooterstyleTableCHheight30rowSpan1jr：detailCellstyleTableTDheight30textFieldreportElementx0y0width100height30uuidce7df570525d4bb19ed3a63c0b387bbdtextElementtextAlignmentCenterverticalAlignmentMiddlefontfontName华文宋体textElementtextFieldExpression！〔CDATA〔F｛name｝〕〕textFieldExpressiontextFieldjr：detailCelljr：columnjr：columnwidth40uuidbd04119c84934333952a2aeac29db62bpropertynamecom。jaspersoft。studio。components。table。model。column。namevalueColumn3jr：tableFooterstyleTableTHheight30rowSpan1jr：columnHeaderstyleTableCHheight30rowSpan1staticTextreportElementx0y0width40height30uuid37ee045422df4056a40ef52f82d29f95textElementtextAlignmentCenterverticalAlignmentMiddlefontfontName华文宋体textElementtext！〔CDATA〔角色〕〕textstaticTextjr：columnHeaderjr：columnFooterstyleTableCHheight30rowSpan1jr：detailCellstyleTableTDheight30textFieldreportElementx0y0width40height30uuida789a863423242798a66be83206747fetextElementtextAlignmentCenterverticalAlignmentMiddlefontfontName华文宋体textElementtextFieldExpression！〔CDATA〔F｛role｝〕〕textFieldExpressiontextFieldjr：detailCelljr：columnjr：columnwidth200uuidf32f724a24c94887ba415957dd0fed1dpropertynamecom。jaspersoft。studio。components。table。model。column。namevalueColumn4jr：tableFooterstyleTableTHheight30rowSpan1jr：columnHeaderstyleTableCHheight30rowSpan1staticTextreportElementx0y0width200height30uuidced8b6360cef488f89c49988b81415dbtextElementtextAlignmentCenterverticalAlignmentMiddlefontfontName华文宋体textElementtext！〔CDATA〔地址〕〕textstaticTextjr：columnHeaderjr：columnFooterstyleTableCHheight30rowSpan1propertynamecom。jaspersoft。studio。unit。widthvaluepxjr：columnFooterjr：detailCellstyleTableTDheight30textFieldreportElementx0y0width200height30uuid958c39bdfd6f44149700579e0c8ee7d9textElementtextAlignmentCenterverticalAlignmentMiddlefontfontName华文宋体textElementtextFieldExpression！〔CDATA〔F｛address｝〕〕textFieldExpressiontextFieldjr：detailCelljr：columnjr：tablecomponentElementbanddetailpageFooterbandheight50splitTypeStretchtextFieldreportElementx350y20width100height30uuid9ab9485dd510496f9dcddae944a4ae43textElementtextAlignmentRighttextFieldExpression！〔CDATA〔PageV｛PAGENUMBER｝〕〕textFieldExpressiontextFieldtextFieldevaluationTimeReportreportElementx455y20width100height30uuida534e5d1aa1b4a879149d7a052cbc01ftextFieldExpression！〔CDATA〔ofV｛PAGENUMBER｝〕〕textFieldExpressiontextFieldbandpageFooterjasperReport3、字体配置
　　字体文件位置：srcmainresourcesstaticfontchinese。stsong。ttf
　　字体配置文件位置：srcmainresourcesstaticfontfonts。xml
　　配置文件内容lt；？xmlversion1。0encodingUTF8？fontFamiliesfontFamilyname华文宋体normalstaticfontchinese。stsong。ttfnormalboldstaticfontchinese。stsong。ttfbolditalicstaticfontchinese。stsong。ttfitalicboldItalicstaticfontchinese。stsong。ttfboldItalicpdfEncodingIdentityHpdfEncodingpdfEmbeddedtruepdfEmbeddedexportFontsexportkeynet。sf。jasperreports。html华文宋体，Arial，Helvetica，sansserifexportexportkeynet。sf。jasperreports。xhtml华文宋体，Arial，Helvetica，sansserifexportexportFontsfontFamilyfontFamilies
　　在classpath路径下（application。properties同级）创建Jasper拓展文件jasperreportsextension。propertiesnet。sf。jasperreports。extension。registry。factory。simple。font。familiesnet。sf。jasperreports。engine。fonts。SimpleFontExtensionsRegistryFactorynet。sf。jasperreports。extension。simple。font。families。lobstertwostaticfontfonts。xml4、实体对象Employee。javaDataNoArgsConstructorpublicclassEmployee｛privateintid；privateStringname；privateStringrole；privateStringaddress；publicEmployee（intid，Stringname，Stringrole，Stringaddress）｛this。idid；this。namename；this。rolerole；this。addressaddress；｝｝5、控制器EmployeeController。javaRestControllerpublicclassEmployeeController｛GetMapping（employeerecordsreport）publicResponseEntitybyte〔〕getEmployeeRecordReport（）｛try｛测试数据ListEmployeeempLstcreateTestData（）；报表需要的动态参数MapString，ObjectempParamsnewHashMapString，Object（）；empParams。put（CompanyName，SpringBoot整合JasperReports）；empParams。put（employeeData，newJRBeanCollectionDataSource（empLst））；编译JasperReportjasperReportJasperCompileManager。compileReport（ResourceUtils。getFile（classpath：employeesdetails。jrxml）。getAbsolutePath（））；填充数据JasperPrintjasperPrintJasperFillManager。fillReport（jasperReport，empParams，newJREmptyDataSource（））；导出报表HttpHeadersheadersnewHttpHeaders（）；设置响应格式：PDFheaders。setContentType（MediaType。APPLICATIONPDF）；设置文件名称headers。setContentDispositionFormData（filename，employeesdetails。pdf）；returnnewResponseEntitybyte〔〕（JasperExportManager。exportReportToPdf（jasperPrint），headers，HttpStatus。OK）；｝catch（Exceptione）｛e。printStackTrace（）；returnnewResponseEntitybyte〔〕（HttpStatus。INTERNALSERVERERROR）；｝｝privateListEmployeecreateTestData（）｛ListEmployeeresultListnewArrayList（）；resultList。add（newEmployee（1，汪小成，程序员，山东省济宁市任城区））；resultList。add（newEmployee（2，孙小顺，部门经理，安徽省合肥市蜀山区））；returnresultList；｝｝6、查看效果
　　在谷歌浏览器地址栏输入http：localhost：9000employeerecordsreport会直接弹出保存文件的对话框，实际效果如下：
　　附录
　　itext2。1。7。js8。jar可以在如下地址下载：
　　https：jaspersoft。jfrog。iouinativethirdpartyceartifactscomlowagieitext2。1。7。js8