Jasper Report 6.8 根据后台数据生成动态报表（JRXML文件实现）（三）JRXML文件生成过程（支持json,bean,map list数据源）

1、生成头信息及页面

protected  Element createPageXmlFileRoot( ) {DftRptMaster dftRptMaster = rptInfo.getDftRptMaster();DftViewMaster dftViewMaster = rptInfo.getDftViewMaster();rptDomFileXml.addComment("Created with Jaspersoft Studio version 6.8.0.final using JasperReports Library version 6.8.0-2ed8dfabb690ff337a5797129f2cd92902b0c87b");Element xmlFileRoot = rptDomFileXml.addElement("jasperReport","http://jasperreports.sourceforge.net/jasperreports");xmlFileRoot.addNamespace("xsi", "http://www.w3.org/2001/XMLSchema-instance");xmlFileRoot.addAttribute("xsi:schemaLocation", "http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd");//报表名称xmlFileRoot.addAttribute( "name", this.rptInfo.getRptKey());int columnCount =dftRptMaster.getPageColumns(); //分列数量if (columnCount>1) {xmlFileRoot.addAttribute( "columnCount", Integer.toString(columnCount)); //一页几列}xmlFileRoot.addAttribute( "pageWidth", dftRptMaster.getPageWidth().toString())  //页宽.addAttribute( "pageHeight", dftRptMaster.getPageHeight().toString());//页高if(dftRptMaster.getBePageVertical()!=1) { //如果页页是竖向xmlFileRoot.addAttribute("orientation", "Landscape");} else {xmlFileRoot.addAttribute("orientation", "Portrait");}表示页面没有信息的时候怎么办，默认是no pages,如果你想没有数据的时候也显示，就用AllSectionsNoDetailxmlFileRoot.addAttribute( "whenNoDataType", "AllSectionsNoDetail"); xmlFileRoot.addAttribute( "columnWidth", Integer.toString(rptInfo.getPageRealWidth())) .addAttribute( "columnSpacing", dftViewMaster.getColSpace().toString() )  // 列间隔.addAttribute( "leftMargin", dftRptMaster.getPageLeft().toString())  // .addAttribute( "rightMargin", dftRptMaster.getPageRight().toString())  // .addAttribute( "topMargin", dftRptMaster.getPageTop().toString())  // .addAttribute( "bottomMargin", dftRptMaster.getPageBottom().toString())  //.addAttribute( "isTitleNewPage", Boolean.toString(dftRptMaster.getBePrintCover()==1))  // TItle是否只显示在第一页中，这个和数据表”be_print_cover 是否打印封面“页配合使用.addAttribute( "isSummaryWithPageHeaderAndFooter", "true")  //  最后一页将Page Header（页头）、Page Footer（页脚）和Summary（栏）设置在一起显示.addAttribute("isFloatColumnFooter", "true") //Float Column footer 在detail 1和footer中间去除大量空白  true指定列页脚部分是否应打印在列的底部 .addAttribute( "whenResourceMissingType", "Empty")   .addAttribute( "isIgnorePagination", "false")   //true勾选上 取消分页功能 .addAttribute( "isSummaryNewPage", "false");  //合计起新页//数据源xmlFileRoot.addElement("property").addAttribute("name","com.jaspersoft.studio.data.defaultdataadapter").addAttribute("value", "One Empty Record" );//设置换算单位 全部以px为单位计算， xmlFileRoot.addElement("property").addAttribute("name","com.jaspersoft.studio.unit.*").addAttribute("value", "px");return xmlFileRoot;}

2、生成格式字段

/*** 2 建立 格式内容，字体等* @param xmlFileRoot*/protected void createPageStyle(Element xmlFileRoot) {DftRptMaster dftRptMaster = this.rptInfo.getDftRptMaster();DftViewMaster dftViewMaster = rptInfo.getDftViewMaster();//默认格式Element style = xmlFileRoot.addElement("style");Element el = setBandStyleAttribute(style,JRptConstant.STYLE_DEFAULT,dftViewMaster.getContextFontName(),  dftViewMaster.getContextFontSize()==null?0:dftViewMaster.getContextFontSize(), dftViewMaster.getContextFontColor(),dftViewMaster.getContextFontStyle());// 4 正文 ,,如果都没设置， 此为默认setBoxLipenForm(style,"0.0",false,false,false,false);el.addAttribute( "isDefault", "true");//页眉页脚字体style = xmlFileRoot.addElement("style");setBandStyleAttribute(style,JRptConstant.STYLE_PAGEHEADER,dftRptMaster.getPagehfFontName(),   dftRptMaster.getPagehfFontSize()==null?0:dftRptMaster.getPagehfFontSize(), dftRptMaster.getPagehfFontColor(),dftRptMaster.getPagehfFontStyle()); setBoxLipenForm(style,"0.0",false,false,false,false);//标题字体style = xmlFileRoot.addElement("style");setBandStyleAttribute(style,JRptConstant.STYLE_PAGETITLE,dftRptMaster.getTitleFontName(),  dftRptMaster.getTitleFontSize()==null?0:dftRptMaster.getTitleFontSize(), dftRptMaster.getTitleFontColor(),dftRptMaster.getTitleFontStyle()); setBoxLipenForm(style,"0.0",false,false,false,false);//2副标题style = xmlFileRoot.addElement("style");setBandStyleAttribute(style,JRptConstant.STYLE_PAGESUBTITLE,dftRptMaster.getSubheaderFontName(),  dftRptMaster.getSubheaderFontSize()==null?0:dftRptMaster.getSubheaderFontSize(), dftRptMaster.getSubheaderFontColor(),dftRptMaster.getSubheaderFontStyle());setBoxLipenForm(style,"0.0",false,false,false,false);Boolean beHasHLine = dftRptMaster.getBeHasHline()==1 ||dftViewMaster.getBeHasTopTitle()==1;//双标题必须要线Boolean beHasVLine = dftRptMaster.getBeHasVline()==1 ||dftViewMaster.getBeHasTopTitle()==1;//栏位明细表头style = xmlFileRoot.addElement("style");el = setBandStyleAttribute(style,JRptConstant.STYLE_COLHEADER,dftViewMaster.getHeaderFontName(),  dftViewMaster.getHeaderFontSize()==null?0:dftViewMaster.getHeaderFontSize(), dftViewMaster.getHeaderFontColor(),dftViewMaster.getHeaderFontStyle());// 3 表 栏头， 小计，合计，分组头等el.addAttribute("vTextAlign", "Middle");if (dftRptMaster.getBeHasVline()==1) { //如果有竖线,则表头居中，如果没竖线，栏位根据栏位来定el.addAttribute("hTextAlign","Center");}if (!StringUtils.isEmpty(dftViewMaster.getHeaderBackground())) {style.addAttribute("backcolor", dftViewMaster.getHeaderBackground());}setBoxLipenForm(style,Double.toString(JRptConstant.LINE_WIDTH*2),true,beHasVLine,true,beHasVLine);//明细style = xmlFileRoot.addElement("style");el = setBandStyleAttribute(style,JRptConstant.STYLE_COLCONTEXT,dftViewMaster.getContextFontName(),  dftViewMaster.getContextFontSize()==null?0:dftViewMaster.getContextFontSize(), dftViewMaster.getContextFontColor(),dftViewMaster.getContextFontStyle());// 4 正文 ,,如果都没设置， 此为默认setBoxLipenForm(style,Double.toString(JRptConstant.LINE_WIDTH),beHasHLine,beHasVLine,beHasHLine,beHasVLine);}

3、注册字段

/*** 4 注册字段信息* @param xmlFileRoot*/protected  void registDataFieldList(Element xmlFileRoot ) {List<DftViewCol> lstViewCols  = rptInfo.getLstViewCols();DftViewCol dftViewCol = null;Element field = null;int    tlColsWidth =0;int  colSpace = rptInfo.getDftViewMaster().getColSpace();String fieldName = "";List<DftViewCol> sortCols = new ArrayList<DftViewCol>();for (int i =0 ; i< lstViewCols.size(); i++) {dftViewCol =  lstViewCols.get(i);fieldName = dftViewCol.getFieldName().trim();field = xmlFileRoot.addElement("field").addAttribute("name",fieldName).addAttribute("class", this.getFieldClassByDataType(dftViewCol.getDataType()));field.addElement("property").addAttribute("name","net.sf.jasperreports.json.field.expression").addAttribute("value", fieldName);field.addElement("fieldDescription").addCDATA(fieldName);   if (dftViewCol.getBeGroupKey()==1) { //找到分组KEYrptInfo.setGrpKeyField(dftViewCol);}if (dftViewCol.getBeSort()==1) {sortCols.add(dftViewCol);}if (dftViewCol.getBeInGroup()==1) {rptInfo.getLstGrpCols().add(dftViewCol);}//生成小计合计变量栏位集合if ((getRptCalcFunctionString(dftViewCol.getSumType())!=null)) {rptInfo.getLstSumCols().add(dftViewCol);}tlColsWidth =  tlColsWidth + dftViewCol.getColWidth() + colSpace;}if (rptInfo.getDftViewMaster().getColStretch().equalsIgnoreCase("all")) {  //如果平均列tlColsWidth = lstViewCols.size() * rptInfo.getAvgColsWidth();}rptInfo.setTotalColsWidth(tlColsWidth);//计算起始位置和最后止位置int firstX = 0;int endX=0;if (tlColsWidth >= rptInfo.getPageRealWidth()) {firstX =0;endX =rptInfo.getPageRealWidth();} else {if (rptInfo.getDftRptMaster().getBePageHcenter()==1) { //如果居中firstX = (rptInfo.getPageRealWidth() - tlColsWidth) /2;endX = firstX + tlColsWidth;} else {firstX =0;endX =  tlColsWidth;//如果不居中并且拉伸最后一列if (rptInfo.getDftViewMaster().getColStretch().equalsIgnoreCase("last")) {endX =rptInfo.getPageRealWidth();}}}rptInfo.setTotalColsWidth(tlColsWidth);rptInfo.setFirstColStartX(firstX);rptInfo.setLastColEndX(endX);for (DftViewCol sortCol:sortCols) {field =xmlFileRoot.addElement("sortField").addAttribute("name", sortCol.getFieldName());if (sortCol.getBeSortAsc()!=1) {field.addAttribute("order","Descending");}}}

4、注册参数

/*** 3 建立报表额外参数，如公司信息，LOGO等* @param xmlFileRoot* @return*/protected  void createPageParam (Element xmlFileRoot ) {xmlFileRoot.addElement("parameter").addAttribute("name","pa_org_no").addAttribute("class", "java.lang.String").addAttribute("isForPrompting", "false");xmlFileRoot.addElement("parameter").addAttribute("name","pa_org_name").addAttribute("class", "java.lang.String").addAttribute("isForPrompting", "false");xmlFileRoot.addElement("parameter").addAttribute("name","pa_img_log").addAttribute("class", "java.io.InputStream").addAttribute("isForPrompting", "false");xmlFileRoot.addElement("parameter").addAttribute("name","pa_addr").addAttribute("class", "java.lang.String").addAttribute("isForPrompting", "false");xmlFileRoot.addElement("parameter").addAttribute("name","pa_tel").addAttribute("class", "java.lang.String").addAttribute("isForPrompting", "false");}

5、注册变量

/*** 5, 建立 变量信息* @param xmlFileRoot*/protected void createPageVariableInfo(Element xmlFileRoot) {DftRptMaster dftRptMaster = rptInfo.getDftRptMaster();//建立页码变量xmlFileRoot.addElement("variable").addAttribute("name", "var_pageNo").addAttribute("class", "java.lang.Integer").addAttribute("resetType","Page").addElement("variableExpression").addCDATA("$V{PAGE_NUMBER}");//总页数变量xmlFileRoot.addElement("variable").addAttribute("name", "var_totalPage").addAttribute("class", "java.lang.Integer").addAttribute("resetType","Page").addAttribute("calculation", "Highest").addElement("variableExpression").addCDATA("$V{PAGE_NUMBER}");//页眉变量 这儿需要根据模板内容格式定义规范修改取值xmlFileRoot.addElement("variable").addAttribute("name", "var_pageHeader_Left").addAttribute("class", "java.lang.String").addElement("variableExpression").addCDATA("\""+ dftRptMaster.getPageHeaderLeft()+"\"");xmlFileRoot.addElement("variable").addAttribute("name", "var_pageHeader_Mid").addAttribute("class", "java.lang.String").addElement("variableExpression").addCDATA("\""+dftRptMaster.getPageHeaderCenter()+"\"");xmlFileRoot.addElement("variable").addAttribute("name", "var_pageHeader_Right").addAttribute("class", "java.lang.String").addElement("variableExpression").addCDATA("\""+dftRptMaster.getPageHeaderRight()+"\"");//页脚变量xmlFileRoot.addElement("variable").addAttribute("name", "var_pageFooter_Left").addAttribute("class", "java.lang.String").addElement("variableExpression").addCDATA("\""+dftRptMaster.getPageFooterLeft()+"\"");xmlFileRoot.addElement("variable").addAttribute("name", "var_pageFooter_Mid").addAttribute("class", "java.lang.String").addElement("variableExpression").addCDATA("\""+dftRptMaster.getPageFooterCenter()+"\"");xmlFileRoot.addElement("variable").addAttribute("name", "var_pageFooter_Right").addAttribute("class", "java.lang.String").addElement("variableExpression").addCDATA("\""+dftRptMaster.getPageFooterRight()+"\"");//表头条文if (!StringUtils.isEmpty(dftRptMaster.getRptBegin())) {xmlFileRoot.addElement("variable").addAttribute("name", "var_RptBegin").addAttribute("class", "java.lang.String").addElement("variableExpression").addCDATA("\""+dftRptMaster.getRptBegin()+"\"");}//表尾条文if (!StringUtils.isEmpty(dftRptMaster.getRptEnd())) {xmlFileRoot.addElement("variable").addAttribute("name", "var_Rptend").addAttribute("class", "java.lang.String").addElement("variableExpression").addCDATA("\""+dftRptMaster.getRptEnd()+"\"");} String calcFun = null;for (DftViewCol dftViewCol: rptInfo.getLstSumCols()) {//分组小计变量//合计变量calcFun = getRptCalcFunctionString(dftViewCol.getSumType());if (calcFun!=null) {xmlFileRoot.addElement("variable").addAttribute("name", JRptConstant.VAR_SUBTL_PRE+dftViewCol.getFieldName()).addAttribute("class", this.getFieldClassByDataType(dftViewCol.getDataType())).addAttribute("resetType","Group").addAttribute("resetGroup", JRptConstant.RPTGRP_NAME).addAttribute("calculation", calcFun).addElement("variableExpression").addCDATA("$F{"+dftViewCol.getFieldName()+"}");//建立合计变量xmlFileRoot.addElement("variable").addAttribute("name", JRptConstant.VAR_TL_PRE+dftViewCol.getFieldName()).addAttribute("class", this.getFieldClassByDataType(dftViewCol.getDataType())).addAttribute("resetType","Report").addAttribute("calculation", calcFun).addElement("variableExpression").addCDATA("$F{"+dftViewCol.getFieldName()+"}");}}
}

6、标题生成

/*** 建立 pageTitle* @param xmlRoot*/protected void createPageTitleInfo(Element xmlRoot, Element titleBand,int startY) {DftRptMaster dftRptMaster = rptInfo.getDftRptMaster();int yPosion = startY;//标题Element txt = titleBand.addElement("staticText");Element re = txt.addElement("reportElement").addAttribute("key", "rptTitle").addAttribute("style", JRptConstant.STYLE_PAGETITLE).addAttribute("positionType", "Float").addAttribute("stretchType", "RelativeToTallestObject").addAttribute("x", "0").addAttribute("y",Integer.toString(yPosion)).addAttribute("width", Integer.toString(rptInfo.getPageRealWidth())).addAttribute("height",Integer.toString(JRptConstant.HEIGHT_UINT)).addAttribute("isPrintWhenDetailOverflows", "true");//此属性是自动折行re.addElement("property").addAttribute("name","com.jaspersoft.studio.element.name").addAttribute("value", "rptTitle");txt.addElement("textElement").addAttribute("textAlignment", "Center").addAttribute("verticalAlignment", "Middle").addAttribute("markup", "styled");txt.addElement("text").addCDATA(dftRptMaster.getRptDescLangno()); //标题内容 yPosion =yPosion +JRptConstant.HEIGHT_UINT ;if (!StringUtils.isEmpty(dftRptMaster.getRptSubheadLangno())) {//副标题        txt = titleBand.addElement("staticText");re = txt.addElement("reportElement").addAttribute("key", "rptSubTitle").addAttribute("style", JRptConstant.STYLE_PAGESUBTITLE).addAttribute("positionType", "Float").addAttribute("stretchType", "RelativeToTallestObject")//此属性是自动折行.addAttribute("x", "0").addAttribute("y", Integer.toString(yPosion)).addAttribute("width", Integer.toString(rptInfo.getPageRealWidth())).addAttribute("height",Integer.toString(JRptConstant.HEIGHT_UINT-1)).addAttribute("isRemoveLineWhenBlank", "true").addAttribute("isPrintWhenDetailOverflows", "true");re.addElement("property").addAttribute("name","com.jaspersoft.studio.element.name").addAttribute("value", "rptSubTitle");txt.addElement("textElement").addAttribute("textAlignment", "Center").addAttribute("verticalAlignment", "Middle").addAttribute("markup", "styled");txt.addElement("text").addCDATA(dftRptMaster.getRptSubheadLangno()); //标题内容 yPosion =yPosion +JRptConstant.HEIGHT_UINT ;}//如果打印查询条件 if (dftRptMaster.getBePrintDataFilter()==1 && !StringUtils.isEmpty(rptInputInfo.getQueryConditionText())) {//报表查询条件         txt = titleBand.addElement("staticText");re = txt.addElement("reportElement").addAttribute("key", "rptFilterText").addAttribute("style", JRptConstant.STYLE_PAGESUBTITLE).addAttribute("positionType", "Float").addAttribute("stretchType", "RelativeToTallestObject")//此属性是自动折行.addAttribute("x", Integer.toString(rptInfo.getFirstColStartX()))  //和起始列并齐.addAttribute("y", Integer.toString(yPosion)).addAttribute("width", Integer.toString(rptInfo.getLastColEndX() -rptInfo.getFirstColStartX() )).addAttribute("height",Integer.toString(JRptConstant.HEIGHT_UINT-1)).addAttribute("isRemoveLineWhenBlank", "true").addAttribute("isPrintWhenDetailOverflows", "true");re.addElement("property").addAttribute("name","com.jaspersoft.studio.element.name").addAttribute("value", "rptFilterText");txt.addElement("textElement").addAttribute("textAlignment", "Left").addAttribute("verticalAlignment", "Middle").addAttribute("markup", "styled");txt.addElement("text").addCDATA("\"" + rptInputInfo.getQueryConditionText().trim()+"\"");  yPosion =yPosion +JRptConstant.HEIGHT_UINT ;}//如果打印表头条文 if (dftRptMaster.getBePrintRptBegin()==1 && !StringUtils.isEmpty(dftRptMaster.getRptBegin())) {txt = titleBand.addElement("textField").addAttribute("evaluationTime", "Auto");re = txt.addElement("reportElement").addAttribute("key", "rptBegin")  .addAttribute("style", JRptConstant.STYLE_PAGESUBTITLE).addAttribute("positionType", "Float").addAttribute("stretchType", "RelativeToTallestObject")//此属性是自动折行.addAttribute("x", Integer.toString(rptInfo.getFirstColStartX()))  //和起始列并齐.addAttribute("y", Integer.toString(yPosion)).addAttribute("width", Integer.toString(rptInfo.getLastColEndX() -rptInfo.getFirstColStartX() )).addAttribute("height",Integer.toString(JRptConstant.HEIGHT_UINT-1)).addAttribute("isRemoveLineWhenBlank", "true").addAttribute("isPrintWhenDetailOverflows", "true");txt.addElement("textElement").addAttribute("textAlignment", "Left").addAttribute("verticalAlignment", "Middle").addAttribute("markup", "styled");txt.addElement("textFieldExpression").addCDATA("$V{var_RptBegin}") ;yPosion =yPosion +JRptConstant.HEIGHT_UINT ;}//  如果要打印lobgo，将logo放于TITLE左区if (dftRptMaster.getBePrintLogo() == 1) {Element img =titleBand.addElement("image").addAttribute("hAlign","Center").addAttribute("vAlign", "Middle");img.addElement("reportElement").addAttribute("key", "imgLogo").addAttribute("stretchType", "ContainerHeight").addAttribute("mode", "Transparent").addAttribute("x", "0").addAttribute("y", Integer.toString(startY)).addAttribute("width", Integer.toString(rptInfo.getTitleHeight()*2)).addAttribute("height", Integer.toString(rptInfo.getTitleHeight())).addAttribute("isRemoveLineWhenBlank","true").addElement("property").addAttribute("name", "com.jaspersoft.studio.element.name").addAttribute("value", "imgLogo");img.addElement("imageExpression").addCDATA("$P{pa_img_log}");}}

7、页眉页脚生成

/*** 建立页眉区* @param xmlRoot*/protected void createPageHeaderInfo(Element xmlRoot) {DftRptMaster dftRptMaster = rptInfo.getDftRptMaster();//如果不打印页眉，并且标题区不打印在每页上（标题就不建立在页眉上），则不用建立页眉if  ((dftRptMaster.getBePrintTitlePerPage()!=1) && (dftRptMaster.getBePrintPageHeader()!=1)) return ;int bandHeight =dftRptMaster.getBePrintTitlePerPage()==1?JRptConstant.HEIGHT_PAGEHEADERBAND + rptInfo.getTitleHeight():JRptConstant.HEIGHT_PAGEHEADERBAND;Element pageHeadBand = xmlRoot.addElement("pageHeader").addElement("band").addAttribute("height",  Integer.toString(bandHeight)) ;if (dftRptMaster.getBePrintTitlePerPage()!=1) {pageHeadBand.addElement("printWhenExpression").addCDATA("$V{PAGE_NUMBER}!=1");}int startX =0;if  (dftRptMaster.getBePrintPageHeader()==1){fillPageHeaderAndPageFooterContent(pageHeadBand,bandHeight,true);startX = JRptConstant.HEIGHT_PAGEHEADERBAND;}if (dftRptMaster.getBePrintTitlePerPage()==1) {rptInfo.setBandOfTitle(pageHeadBand);createPageTitleInfo(xmlRoot, pageHeadBand,startX);}}/*** 建立页脚区* @param xmlRoot*/protected void createPageFooterInfo(Element xmlRoot) {if (rptInfo.getDftRptMaster().getBePrintPageFooter() ==1) {Element footerBand = xmlRoot.addElement("pageFooter").addElement("band").addAttribute("height", Integer.toString(JRptConstant.HEIGHT_PAGEHEADERBAND ));this.fillPageHeaderAndPageFooterContent(footerBand,  JRptConstant.HEIGHT_PAGEHEADERBAND, false);};}

很多设置参数第一章节的数据结构设计

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