- import java.io.File;
-
import java.io.FileOutputStream;
-
import java.io.OutputStream;
-
import java.util.ArrayList;
-
import java.util.HashMap;
-
import java.util.List;
-
import java.util.Map;
-
-
import javax.print.attribute.HashPrintRequestAttributeSet;
-
import javax.print.attribute.HashPrintServiceAttributeSet;
-
import javax.print.attribute.PrintRequestAttributeSet;
-
import javax.print.attribute.PrintServiceAttributeSet;
-
import javax.print.attribute.standard.Copies;
-
import javax.print.attribute.standard.MediaSizeName;
-
import javax.print.attribute.standard.PrinterName;
-
-
import net.sf.jasperreports.engine.JRException;
-
import net.sf.jasperreports.engine.JRExporterParameter;
-
import net.sf.jasperreports.engine.JRReport;
-
import net.sf.jasperreports.engine.JasperCompileManager;
-
import net.sf.jasperreports.engine.JasperExportManager;
-
import net.sf.jasperreports.engine.JasperFillManager;
-
import net.sf.jasperreports.engine.JasperPrint;
-
import net.sf.jasperreports.engine.JasperReport;
-
import net.sf.jasperreports.engine.base.JRBaseLine;
-
import net.sf.jasperreports.engine.base.JRBasePrintText;
-
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
-
import net.sf.jasperreports.engine.design.JRDesignBand;
-
import net.sf.jasperreports.engine.design.JRDesignExpression;
-
import net.sf.jasperreports.engine.design.JRDesignField;
-
import net.sf.jasperreports.engine.design.JRDesignStaticText;
-
import net.sf.jasperreports.engine.design.JRDesignTextField;
-
import net.sf.jasperreports.engine.design.JasperDesign;
-
import net.sf.jasperreports.engine.export.JRPrintServiceExporter;
-
import net.sf.jasperreports.engine.export.JRPrintServiceExporterParameter;
-
import net.sf.jasperreports.engine.util.JRSaver;
-
-
import org.apache.commons.beanutils.BasicDynaBean;
-
import org.apache.commons.beanutils.BasicDynaClass;
-
import org.apache.commons.beanutils.DynaBean;
-
import org.apache.commons.beanutils.DynaProperty;
-
import org.apache.commons.logging.Log;
-
import org.apache.commons.logging.LogFactory;
-
-
import com.inqgen.iqlis.template.jsf.bean.TemplateDirectoryAdminBean;
-
-
-
-
-
-
-
public class ReportProcess {
-
-
private static Log logger = LogFactory
-
.getLog(TemplateDirectoryAdminBean.class);
-
-
private final static int textWidth = 80;
-
-
private final static int textHeight = 20;
-
-
private final static int columnHeaderfontSize = 14;
-
-
private final static int fontSize = 12;
-
-
private final static int X = 80;
-
-
private final static int columnHeaderHeight = 20;
-
-
private final static int detailHeight = 20;
-
-
private static String aliasColumn = "column";
-
-
public static void main(String args[]){
-
try {
-
String[] columns = {"字段1", "字段2", "字段3", "字段4"};
-
File f = new File("d://test.pdf");
-
List<Object[]> list = new ArrayList<Object[]>();
-
Object[] obj = null;
-
for(int j=0;j<50;j++){
-
obj = new Object[columns.length];
-
for(int i=0;i<columns.length;i++){
-
obj[i] = columns[i]+j+","+i;
- }
- list.add(obj);
- }
-
OutputStream out = new FileOutputStream(f);
- preview(columns, list, out);
- out.close();
-
logger.info("成功~");
-
} catch (Exception e) {
-
- e.printStackTrace();
- }
- }
-
-
-
-
-
-
-
-
-
-
-
-
-
public static void preview(String headers[], List<Object[]> list,
-
OutputStream out) throws Exception {
-
long start = System.currentTimeMillis();
- String[] alias = preaseAliasColumnHeaders(headers);
- JasperReport jp = getJasperReport(headers, alias);
-
Map<String, Object> parameters = new HashMap<String,Object>();
- JasperPrint jasperPrint = JasperFillManager.fillReport(jp, parameters,
-
new JRBeanCollectionDataSource(getBaseList(alias, phrase(list))));
-
logger.info("Filling time : " + (System.currentTimeMillis() - start));
- JasperExportManager.exportReportToPdfStream(jasperPrint, out);
-
logger.info("Printing time : " + (System.currentTimeMillis() - start));
- }
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
public static void print(String headers[], List<Object[]> list,
-
Map<String, Object> parameters, String printerName, int copies,
-
String tempFileName) throws Exception {
-
long start = System.currentTimeMillis();
-
- String[] alias = preaseAliasColumnHeaders(headers);
- JasperReport jp = getJasperReport(headers, alias);
- JasperPrint jasperPrint = JasperFillManager.fillReport(jp, parameters,
-
new JRBeanCollectionDataSource(getBaseList(alias, phrase(list))));
-
- JRSaver.saveObject(jasperPrint, tempFileName);
-
logger.info("Filling time : " + (System.currentTimeMillis() - start));
-
-
PrintRequestAttributeSet printRequestAttributeSet = new HashPrintRequestAttributeSet();
-
- printRequestAttributeSet.add(MediaSizeName.ISO_A4);
-
-
printRequestAttributeSet.add(new Copies(copies));
-
-
PrintServiceAttributeSet printServiceAttributeSet = new HashPrintServiceAttributeSet();
-
-
-
printServiceAttributeSet.add(new PrinterName(printerName, null));
-
-
JRPrintServiceExporter exporter = new JRPrintServiceExporter();
-
- exporter
- .setParameter(JRExporterParameter.INPUT_FILE_NAME, tempFileName);
- exporter.setParameter(
- JRPrintServiceExporterParameter.PRINT_REQUEST_ATTRIBUTE_SET,
- printRequestAttributeSet);
- exporter.setParameter(
- JRPrintServiceExporterParameter.PRINT_SERVICE_ATTRIBUTE_SET,
- printServiceAttributeSet);
-
- exporter.setParameter(
- JRPrintServiceExporterParameter.DISPLAY_PAGE_DIALOG,
- Boolean.FALSE);
-
- exporter.setParameter(
- JRPrintServiceExporterParameter.DISPLAY_PRINT_DIALOG,
- Boolean.FALSE);
-
- exporter.exportReport();
-
logger.info("Printing time : " + (System.currentTimeMillis() - start));
- }
-
-
public static List<String[]> phrase(List<Object[]> list){
-
List<String[]> temps = new ArrayList<String[]>();
-
String []s= null;
-
for(Object[] obj : list){
-
s = new String[obj.length];
-
for(int i = 0;i<obj.length;i++){
- s[i] = obj[i].toString();
- }
- temps.add(s);
- }
-
return temps;
- }
-
-
-
-
-
-
-
-
private static String[] preaseAliasColumnHeaders(String headers[]) {
-
int size = headers.length;
-
String[] alias = new String[size];
-
for (int i = 0; i < size; i++) {
- alias[i] = aliasColumn + i;
- }
-
return alias;
- }
-
-
-
-
-
-
-
-
-
-
@SuppressWarnings("deprecation")
-
private static JasperReport getJasperReport(String[] headers,
-
String alias[]) throws JRException {
-
JasperDesign design = new JasperDesign();
-
-
-
design.setName("statistics");
-
-
- design.setPrintOrder(JRReport.PRINT_ORDER_VERTICAL);
-
- design.setOrientation(JRReport.ORIENTATION_PORTRAIT);
-
-
design.setPageWidth(595);
-
-
design.setPageHeight(842);
-
-
design.setColumnWidth(535);
-
-
design.setColumnSpacing(0);
-
-
design.setLeftMargin(30);
-
-
design.setRightMargin(30);
-
-
design.setTopMargin(20);
-
-
design.setBottomMargin(20);
-
- design.setWhenNoDataType(JRReport.WHEN_NO_DATA_TYPE_BLANK_PAGE);
-
-
design.setTitleNewPage(false);
-
-
design.setSummaryNewPage(false);
-
-
-
-
-
-
-
-
-
-
-
-
JRDesignBand columnHeader = new JRDesignBand();
- columnHeader.setHeight(columnHeaderHeight);
-
-
JRDesignBand detail = new JRDesignBand();
- detail.setHeight(detailHeight);
-
-
for (int i = 0; i < headers.length; i++) {
-
-
JRDesignStaticText staticText = new JRDesignStaticText();
- staticText.setText(headers[i]);
- staticText.setFontSize(columnHeaderfontSize);
- staticText.setHeight(textHeight);
- staticText.setWidth(textWidth);
- staticText.setX(X * i);
-
staticText.setPdfFontName("MHei-Medium");
-
staticText.setPdfEmbedded(true);
-
staticText.setPdfEncoding("UniCNS-UCS2-H");
- staticText.setTextAlignment(JRBasePrintText.HORIZONTAL_ALIGN_CENTER);
- staticText.setLeftBorder(JRBaseLine.PEN_1_POINT);
- staticText.setTopBorder(JRBaseLine.PEN_1_POINT);
- staticText.setRightBorder(JRBaseLine.PEN_1_POINT);
- staticText.setBottomBorder(JRBaseLine.PEN_1_POINT);
- columnHeader.addElement(staticText);
-
-
-
JRDesignField field = new JRDesignField();
- field.setName(alias[i]);
-
field.setValueClass(String.class);
- design.addField(field);
-
-
-
JRDesignTextField textField = new JRDesignTextField();
-
JRDesignExpression expression = new JRDesignExpression();
-
expression.setText("$F{" + alias[i] + "}");
-
expression.setValueClass(String.class);
- textField.setExpression(expression);
- textField.setFontSize(fontSize);
- textField.setHeight(textHeight);
- textField.setWidth(textWidth);
- textField.setX(X * i);
-
textField.setPdfFontName("MHei-Medium");
-
textField.setPdfEmbedded(true);
-
textField.setPdfEncoding("UniCNS-UCS2-H");
- textField.setTextAlignment(JRBasePrintText.HORIZONTAL_ALIGN_CENTER);
- textField.setLeftBorder(JRBaseLine.PEN_1_POINT);
- textField.setTopBorder(JRBaseLine.PEN_1_POINT);
- textField.setRightBorder(JRBaseLine.PEN_1_POINT);
- textField.setBottomBorder(JRBaseLine.PEN_1_POINT);
- detail.addElement(textField);
- }
- design.setColumnHeader(columnHeader);
- design.setDetail(detail);
-
-
return JasperCompileManager.compileReport(design);
- }
-
-
-
-
-
-
-
-
-
-
private static List<Object> getBaseList(String[] headers,
-
List<String[]> list) throws Exception {
-
List<Object> result = new ArrayList<Object>();
-
int length = headers.length;
-
DynaProperty[] dynaProps = new DynaProperty[length];
-
for (int i = 0; i < length; i++) {
-
dynaProps[i] = new DynaProperty(headers[i], String.class);
- }
-
BasicDynaClass dynaClass = new BasicDynaClass("first",
-
BasicDynaBean.class, dynaProps);
-
for (Object[] obj : list) {
- DynaBean employee = dynaClass.newInstance();
-
for (int i = 0; i < length; i++) {
- employee.set(headers[i], obj[i]);
- }
- result.add(employee);
- }
-
return result;
- }
-
- }
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.HashPrintServiceAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.print.attribute.PrintServiceAttributeSet;
import javax.print.attribute.standard.Copies;
import javax.print.attribute.standard.MediaSizeName;
import javax.print.attribute.standard.PrinterName;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRExporterParameter;
import net.sf.jasperreports.engine.JRReport;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperExportManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.JasperReport;
import net.sf.jasperreports.engine.base.JRBaseLine;
import net.sf.jasperreports.engine.base.JRBasePrintText;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import net.sf.jasperreports.engine.design.JRDesignBand;
import net.sf.jasperreports.engine.design.JRDesignExpression;
import net.sf.jasperreports.engine.design.JRDesignField;
import net.sf.jasperreports.engine.design.JRDesignStaticText;
import net.sf.jasperreports.engine.design.JRDesignTextField;
import net.sf.jasperreports.engine.design.JasperDesign;
import net.sf.jasperreports.engine.export.JRPrintServiceExporter;
import net.sf.jasperreports.engine.export.JRPrintServiceExporterParameter;
import net.sf.jasperreports.engine.util.JRSaver;
import org.apache.commons.beanutils.BasicDynaBean;
import org.apache.commons.beanutils.BasicDynaClass;
import org.apache.commons.beanutils.DynaBean;
import org.apache.commons.beanutils.DynaProperty;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.inqgen.iqlis.template.jsf.bean.TemplateDirectoryAdminBean;
/**
* JasperReport 動態列 打印
* @author hxy
*
*/
public class ReportProcess {
private static Log logger = LogFactory
.getLog(TemplateDirectoryAdminBean.class);
/** 設置字段寬度 */
private final static int textWidth = 80;
/** 設置字段高度 */
private final static int textHeight = 20;
/** coulumnHeader區域字體大小 */
private final static int columnHeaderfontSize = 14;
/** detail 區域字體大小 */
private final static int fontSize = 12;
/** 設置間距 */
private final static int X = 80;
/** coulumnHeader區域高度 */
private final static int columnHeaderHeight = 20;
/** detail 區域高度 */
private final static int detailHeight = 20;
/** */
private static String aliasColumn = "column";
public static void main(String args[]){
try {
String[] columns = {"字段1", "字段2", "字段3", "字段4"};
File f = new File("d://test.pdf");
List<Object[]> list = new ArrayList<Object[]>();
Object[] obj = null;
for(int j=0;j<50;j++){
obj = new Object[columns.length];
for(int i=0;i<columns.length;i++){
obj[i] = columns[i]+j+","+i;
}
list.add(obj);
}
OutputStream out = new FileOutputStream(f);
preview(columns, list, out);
out.close();
logger.info("成功~");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* PDF打印
*
* @param headers
* colimnHeaders
* @param list
* 數據來源
* @param out
* 輸出流
* @throws Exception
*/
public static void preview(String headers[], List<Object[]> list,
OutputStream out) throws Exception {
long start = System.currentTimeMillis();
String[] alias = preaseAliasColumnHeaders(headers);
JasperReport jp = getJasperReport(headers, alias);
Map<String, Object> parameters = new HashMap<String,Object>();
JasperPrint jasperPrint = JasperFillManager.fillReport(jp, parameters,
new JRBeanCollectionDataSource(getBaseList(alias, phrase(list))));
logger.info("Filling time : " + (System.currentTimeMillis() - start));
JasperExportManager.exportReportToPdfStream(jasperPrint, out);
logger.info("Printing time : " + (System.currentTimeMillis() - start));
}
/**
* 打印機打印報表
*
* @param headers
* colimnHeaders
* @param list
* 數據來源
* @param parameters
* Map 參數
* @param printerName
* 打印機名稱
* @param printerName
* 打印機份數
* @param tempFileName
* 创建报表打印临时文件的路径
* @throws Exception
*/
public static void print(String headers[], List<Object[]> list,
Map<String, Object> parameters, String printerName, int copies,
String tempFileName) throws Exception {
long start = System.currentTimeMillis();
/** 获取打印报表数据 */
String[] alias = preaseAliasColumnHeaders(headers);
JasperReport jp = getJasperReport(headers, alias);
JasperPrint jasperPrint = JasperFillManager.fillReport(jp, parameters,
new JRBeanCollectionDataSource(getBaseList(alias, phrase(list))));
/** 保存向打印机发送的临时报表数据 */
JRSaver.saveObject(jasperPrint, tempFileName);
logger.info("Filling time : " + (System.currentTimeMillis() - start));
/** 设置打印参数 */
PrintRequestAttributeSet printRequestAttributeSet = new HashPrintRequestAttributeSet();
/** 设置A4纸张 */
printRequestAttributeSet.add(MediaSizeName.ISO_A4);
/** 設置打印份數 */
printRequestAttributeSet.add(new Copies(copies));
/** 设置打印机 */
PrintServiceAttributeSet printServiceAttributeSet = new HashPrintServiceAttributeSet();
/** 添加打印机名称 */
// "Epson Stylus 800 ESC/P// 2"
printServiceAttributeSet.add(new PrinterName(printerName, null));
/** 打印机对象 */
JRPrintServiceExporter exporter = new JRPrintServiceExporter();
/** 向打印机发送的临时报表数据 */
exporter
.setParameter(JRExporterParameter.INPUT_FILE_NAME, tempFileName);
exporter.setParameter(
JRPrintServiceExporterParameter.PRINT_REQUEST_ATTRIBUTE_SET,
printRequestAttributeSet);
exporter.setParameter(
JRPrintServiceExporterParameter.PRINT_SERVICE_ATTRIBUTE_SET,
printServiceAttributeSet);
/** 是否弹出打印页数的提示对话框 */
exporter.setParameter(
JRPrintServiceExporterParameter.DISPLAY_PAGE_DIALOG,
Boolean.FALSE);
/** 是否弹出打印机设置属性的提示对话框 */
exporter.setParameter(
JRPrintServiceExporterParameter.DISPLAY_PRINT_DIALOG,
Boolean.FALSE);
/** 执行打印机打印报表 */
exporter.exportReport();
logger.info("Printing time : " + (System.currentTimeMillis() - start));
}
public static List<String[]> phrase(List<Object[]> list){
List<String[]> temps = new ArrayList<String[]>();
String []s= null;
for(Object[] obj : list){
s = new String[obj.length];
for(int i = 0;i<obj.length;i++){
s[i] = obj[i].toString();
}
temps.add(s);
}
return temps;
}
/**
* 產生columnHeaders的別名(Headers[]有可能為中文,所以有必要用別名來替換)
*
* @param headers
* @return
*/
private static String[] preaseAliasColumnHeaders(String headers[]) {
int size = headers.length;
String[] alias = new String[size];
for (int i = 0; i < size; i++) {
alias[i] = aliasColumn + i;
}
return alias;
}
/**
* 產生Template文件
*
* @param headers
* @param alias
* @return
* @throws JRException
*/
@SuppressWarnings("deprecation")
private static JasperReport getJasperReport(String[] headers,
String alias[]) throws JRException {
JasperDesign design = new JasperDesign();
// name="statistics"
design.setName("statistics");
// columnCount="1"
// printOrder="Vertical"
design.setPrintOrder(JRReport.PRINT_ORDER_VERTICAL);
// orientation="Portrait"
design.setOrientation(JRReport.ORIENTATION_PORTRAIT);
// pageWidth="595"
design.setPageWidth(595);
// pageHeight="842"
design.setPageHeight(842);
// columnWidth="535"
design.setColumnWidth(535);
// columnSpacing="0"
design.setColumnSpacing(0);
// leftMargin="30"
design.setLeftMargin(30);
// rightMargin="30"
design.setRightMargin(30);
// topMargin="20"
design.setTopMargin(20);
// bottomMargin="20"
design.setBottomMargin(20);
// whenNoDataType="NoPages"
design.setWhenNoDataType(JRReport.WHEN_NO_DATA_TYPE_BLANK_PAGE);
// isTitleNewPage="false"
design.setTitleNewPage(false);
// isSummaryNewPage="false"
design.setSummaryNewPage(false);
// JRDesignBand title = new JRDesignBand();
// title.setHeight(50);
// JRDesignStaticText titleText = new JRDesignStaticText();
// titleText.setText("test report");
// titleText.setX(230);
// titleText.setFontSize(20);
// titleText.setHeight(50);
// titleText.setWidth(100);
// title.addElement(titleText);
// design.setTitle(title);
JRDesignBand columnHeader = new JRDesignBand();
columnHeader.setHeight(columnHeaderHeight);
JRDesignBand detail = new JRDesignBand();
detail.setHeight(detailHeight);
for (int i = 0; i < headers.length; i++) {
// add column headers
JRDesignStaticText staticText = new JRDesignStaticText();
staticText.setText(headers[i]);
staticText.setFontSize(columnHeaderfontSize);
staticText.setHeight(textHeight);
staticText.setWidth(textWidth);
staticText.setX(X * i);
staticText.setPdfFontName("MHei-Medium");
staticText.setPdfEmbedded(true);
staticText.setPdfEncoding("UniCNS-UCS2-H");
staticText.setTextAlignment(JRBasePrintText.HORIZONTAL_ALIGN_CENTER);
staticText.setLeftBorder(JRBaseLine.PEN_1_POINT);
staticText.setTopBorder(JRBaseLine.PEN_1_POINT);
staticText.setRightBorder(JRBaseLine.PEN_1_POINT);
staticText.setBottomBorder(JRBaseLine.PEN_1_POINT);
columnHeader.addElement(staticText);
// define fields
JRDesignField field = new JRDesignField();
field.setName(alias[i]);
field.setValueClass(String.class);
design.addField(field);
// add text fields for displaying fields
JRDesignTextField textField = new JRDesignTextField();
JRDesignExpression expression = new JRDesignExpression();
expression.setText("$F{" + alias[i] + "}");
expression.setValueClass(String.class);
textField.setExpression(expression);
textField.setFontSize(fontSize);
textField.setHeight(textHeight);
textField.setWidth(textWidth);
textField.setX(X * i);
textField.setPdfFontName("MHei-Medium");
textField.setPdfEmbedded(true);
textField.setPdfEncoding("UniCNS-UCS2-H");
textField.setTextAlignment(JRBasePrintText.HORIZONTAL_ALIGN_CENTER);
textField.setLeftBorder(JRBaseLine.PEN_1_POINT);
textField.setTopBorder(JRBaseLine.PEN_1_POINT);
textField.setRightBorder(JRBaseLine.PEN_1_POINT);
textField.setBottomBorder(JRBaseLine.PEN_1_POINT);
detail.addElement(textField);
}
design.setColumnHeader(columnHeader);
design.setDetail(detail);
return JasperCompileManager.compileReport(design);
}
/**
* 利用反射機制,裝拼數據
*
* @param headers
* @param list
* @return
* @throws Exception
*/
private static List<Object> getBaseList(String[] headers,
List<String[]> list) throws Exception {
List<Object> result = new ArrayList<Object>();
int length = headers.length;
DynaProperty[] dynaProps = new DynaProperty[length];
for (int i = 0; i < length; i++) {
dynaProps[i] = new DynaProperty(headers[i], String.class);
}
BasicDynaClass dynaClass = new BasicDynaClass("first",
BasicDynaBean.class, dynaProps);
for (Object[] obj : list) {
DynaBean employee = dynaClass.newInstance();
for (int i = 0; i < length; i++) {
employee.set(headers[i], obj[i]);
}
result.add(employee);
}
return result;
}
}
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这个特定的压缩包文件包含了一个关于如何实现jasperreport动态列以及生成HTML导出的示例,对于使用Eclipse进行Java开发的人员来说,这是一个非常实用的学习资源。 动态列的概念在于,报表的列数不是固定的,而是...
Java 中jasperReport实现动态列打印的实现代码 Java 中jasperReport实现动态列打印的实现代码主要介绍了使用jasperReport实现动态列打印的相关知识点。下面将详细介绍相关知识点。 首先,jasperReport是一个流行的...
1. **动态单元格合并**:在JasperReport中,我们可以通过设置表格列的`isStretchWithOverflow`属性为`true`,使单元格根据内容自动扩展。同时,可以使用`groupFooter`来合并分组后的行。通过编程方式或在JRXML中设置...
3. **表达式和脚本**:在某些情况下,列合并可能需要根据数据动态进行。这时,你可以使用JasperReport的表达式和脚本来决定何时合并列。例如,你可以编写一个条件表达式,当满足特定条件时,将列合并。 4. **导出到...
这个项目可能包含了使用DynaJasper库的方法,这是一个扩展JasperReport的库,特别适合处理动态列和行的报表。 通过以上分析,我们可以看出“JasperReport动态报表归并行数据”涉及到的核心概念包括动态报表设计、...
在jasperReport中,动态合并单元格是一项重要的功能,它能够根据数据的特性和需求灵活调整表格的布局,使得报告更加整洁且易于阅读。本示例将详细介绍如何在jasperReport中实现动态合并单元格。 首先,我们需要了解...
本文将深入探讨如何使用JasperReport实现动态表头,这在处理复杂和多级分类的数据时尤为有用。 JasperReport允许开发者创建交互式、高质量的PDF、HTML、XLS、CSV等多种格式的报表。动态表头是指表头能够根据数据的...
本篇文章将详细讲解如何利用JasperReport实现动态表头和多表分页,并通过subreport来达到灵活的布局效果。 首先,让我们了解JasperReport的基础。JasperReport是一款基于Java的报表设计工具,它允许开发者创建复杂...
在这个特定的案例中,我们关注的是如何在JasperReport和iReport中实现固定表头以及隐藏和显示列的功能。 首先,让我们了解一下JasperReport。JasperReport是一个开源的报表库,它允许开发者在各种应用程序中生成...
在Java开发中,JasperReport是一款强大的开源报表工具,用于生成复杂的静态和动态报表。在本文中,我们将深入探讨如何使用JasperReport实现动态表头,特别是针对尺码组这样的特殊需求。 1. **JasperReport流程**: ...
1. **字段(Fields)**:字段是报表中显示的数据源字段,它们来自你的数据源,如数据库表中的列。 2. **文本框(Text Fields)**:文本框用于展示字段的值,可以设置格式、样式和表达式。 3. **子报表(Subreports...
JasperReport是一款强大的开源报表工具,专为Java环境设计,用于生成静态和动态的报告。它支持多种数据源,包括数据库、CSV文件、XML数据等,能够输出多种格式,如PDF、HTML、Excel、CSV、XML等。在本教程中,我们将...
- 报表包含标题、页眉、列头、详细数据区域、页脚以及总结部分。 - 可以自定义文本字段、静态文本等元素,并且支持循环显示数据。 2. **数据填充** - 通过SQL查询从数据库获取数据,并将其填充到报表模板中。 -...
JasperReport 是基于 Java 的,主要用于生成动态业务报告。它提供了丰富的图形元素、数据绑定和模板设计功能,可以与各种数据库、Java 应用程序和框架(如 Spring)无缝集成。iReport 是 JasperReport 的设计工具,...
JasperReport是Java平台上的一个开源报表工具,被广泛用于生成动态业务报告。它的最新版本6.7.0提供了更多的功能和改进,以满足现代企业对数据可视化和报告的需求。在本篇文章中,我们将深入探讨JasperReport的核心...
该小项目以编码形式实现了JaperReports的动态报表功能,以满足用户对报表的高度定制化。 使用该项目时的注意事项: 1.使用Eclipse导入该项目 2.下载JasperReports Library,将JasperReports的jar文件及其依赖jar...
JasperReport是一款强大的开源报表工具,主要用来设计和生成静态或动态的报表。它能够支持各种数据源,包括数据库、XML文件、Java对象等,并且能够导出报表为PDF、HTML、Excel等多种格式。本学习资料主要涵盖...
JasperReport的核心功能是设计和生成静态报表,而动态数据的填充则依赖于Java代码或者其他数据源。 IReport是JasperReport的官方报告设计器,提供了一个直观的GUI界面,让用户无需编写代码就能设计报表模板。用户...
2. **动态调整行高**:JasperReport允许根据内容动态调整报表行高,这是通过在文本字段设置“Stretch with overflow”属性来实现的。当内容过多时,行高会自动扩展以适应内容。 3. **集合变量反填充值**:在处理...