iReport与JasperReport简介（二）
1.iReport 报表工具类
package com.runan.util.iReport;
/**
* iReport 报表工具
*/
public class IreportUtils {
/**
* 获得JasperPrint对象;自定义填充报表时的parameter和dataSource.
* @param filePath 模板路径
* @param parameter 参数
* @param dataSource 数据源（list，object[],map）
*/
public JasperPrint getJasperPrint(String filePath, Map parameter, JRDataSource dataSource) throws JRException {
JasperReport jasperReport = null;
try {
//jasperReport = (JasperReport) JRLoader.loadObject(filePath);
jasperReport = (JasperReport) JRLoader.loadObjectFromFile(filePath);
return JasperFillManager.fillReport(jasperReport, parameter, dataSource);
} catch (JRException e) {
e.printStackTrace();
}
return null;
}
/**
* 获得JasperPrint对象;自定义填充报表时的parameter和connection
* @param filePath 模板路径
* @param parameter 参数
* @param conn 数据库连接
*/
public JasperPrint getJasperPrint(String filePath, Map parameter, Connection conn) throws JRException {
JasperReport jasperReport = null;
try {
//jasperReport = (JasperReport) JRLoader.loadObject(filePath);
jasperReport = (JasperReport) JRLoader.loadObjectFromFile(filePath);
return JasperFillManager.fillReport(jasperReport, parameter, conn);
} catch (JRException e) {
e.printStackTrace();
}
return null;
}
/**
* 通过传入List类型数据源获取JasperPrint实例
* @param filePath 模板路径
* @param parameter 参数
* @param list 数据源
*/
public JasperPrint getPrintWithBeanList(String filePath, Map parameter, List list) throws JRException {
JRDataSource dataSource = new JRBeanCollectionDataSource(list);
return getJasperPrint(filePath, parameter, dataSource);
}
/**
* 通过传入List类型数据源获取JasperPrint实例
* @param filePath 模板路径
* @param parameter 参数
* @param Objcet[] 数据源
*/
public JasperPrint getPrintWithBeanArayy(String filePath, Map parameter, Object[] objArray) throws JRException {
JRDataSource dataSource = new JRBeanArrayDataSource(objArray);
return getJasperPrint(filePath, parameter, dataSource);
}
/**
* 传入类型，获取输出器
*
* @param docType
* @return
*/
public JRAbstractExporter getJRExporter(DocType docType) {
JRAbstractExporter exporter = null;
switch (docType) {
case PDF:
exporter = new JRPdfExporter();
break;
case HTML:
exporter = new JRHtmlExporter();
break;
case XLS:
exporter = new JExcelApiExporter();
break;
case XML:
exporter = new JRXmlExporter();
break;
case RTF:
exporter = new JRRtfExporter();
break;
case CSV:
exporter = new JRCsvExporter();
break;
case TXT:
exporter = new JRTextExporter();
break;
case DOC:
exporter = new JRRtfExporter();
break;
}
return exporter;
}
/**
* 获得相应类型的Content type
* @param docType
* @return
*/
public String getContentType(DocType docType){
String contentType="text/html";
switch(docType){
case PDF:
contentType = "application/pdf";
break;
case XLS:
contentType = "application/vnd.ms-excel";
break;
case XML:
contentType = "text/xml";
break;
case RTF:
contentType = "application/rtf";
break;
case CSV:
contentType = "text/plain";
break;
case DOC:
contentType = "application/msword;charset=utf-8";
break;
}
return contentType;
}
/**
* 编译报表模板文件jrxml，生成jasper二进制文件
* @param jrxmlPath 报表设计文件
* @param jrsperPath 报表编译后文件
* @throws JRException
*/
public void complieJrxml(String jrxmlPath, String jasperPath) throws JRException {
JasperCompileManager.compileReportToFile(jrxmlPath, jasperPath);
}
/**
* 定义了报表输出类型，固定了可输出类型
*/
public static enum DocType {
PDF, HTML, XLS, XML, RTF, CSV, TXT, DOC
}
/**
* 输出html静态页面，必须注入request和response
* @param jasperPath
* @param params
* @param sourceList
* @param imageUrl
* 报表文件使用的图片路径，比如 ../image?image=
* @param response
* @throws Exception
*/
public void servletExportHTMLList(String jasperPath, Map params,
List sourceList, String imageUrl,HttpServletResponse response) throws Exception{
response.setContentType("text/html");
response.setCharacterEncoding("UTF-8");
JRAbstractExporter exporter = getJRExporter(DocType.HTML);
JasperPrint jasperPrint = getPrintWithBeanList(jasperPath, params, sourceList);
PrintWriter out = response.getWriter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
exporter.setParameter(JRExporterParameter.OUTPUT_WRITER, out);
exporter.setParameter(JRHtmlExporterParameter.IMAGES_URI, imageUrl);
exporter.setParameter(JRHtmlExporterParameter.IS_USING_IMAGES_TO_ALIGN,false);//不显示px
exporter.setParameter(JRHtmlExporterParameter.IS_OUTPUT_IMAGES_TO_DIR, Boolean.FALSE);
exporter.setParameter(JRHtmlExporterParameter.BETWEEN_PAGES_HTML, "<br style='page-break-before:always;'>");
exporter.exportReport();
}
/**
* 输出html静态页面，必须注入request和response
* @param jasperPath
* @param params
* @param sourceList
* @param imageUrl
* 报表文件使用的图片路径，比如 ../image?image=
* @param response
* @throws Exception
*/
public void servletExportHTMLArray(String jasperPath, Map params,
Object[] sourceArray, String imageUrl,HttpServletResponse response) throws Exception{
response.setContentType("text/html");
response.setCharacterEncoding("UTF-8");
JRAbstractExporter exporter = getJRExporter(DocType.HTML);
JasperPrint jasperPrint = getPrintWithBeanArayy(jasperPath, params, sourceArray);
PrintWriter out = response.getWriter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
exporter.setParameter(JRExporterParameter.OUTPUT_WRITER, out);
exporter.setParameter(JRHtmlExporterParameter.IMAGES_URI, imageUrl);
exporter.setParameter(JRHtmlExporterParameter.IS_USING_IMAGES_TO_ALIGN,false);//不显示px
exporter.setParameter(JRHtmlExporterParameter.IS_OUTPUT_IMAGES_TO_DIR, Boolean.FALSE);
exporter.setParameter(JRHtmlExporterParameter.BETWEEN_PAGES_HTML, "<br style='page-break-before:always;'>");
exporter.exportReport();
}
/**
* 输出html静态页面，必须注入request和response
* @param jasperPath
* @param params
* @param sourceList
* @param imageUrl
* 报表文件使用的图片路径，比如 ../image?image=
* @param response
* @throws Exception
*/
public void servletExportHTML(String jasperPath, Map params,
Connection con, String imageUrl, HttpServletResponse response) throws Exception{
response.setContentType("text/html");
response.setCharacterEncoding("UTF-8");
JRAbstractExporter exporter = getJRExporter(DocType.HTML);
JasperPrint jasperPrint = getJasperPrint(jasperPath, params, con);
PrintWriter out = response.getWriter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
exporter.setParameter(JRExporterParameter.OUTPUT_WRITER, out);
exporter.setParameter(JRHtmlExporterParameter.IMAGES_URI, imageUrl);
exporter.setParameter(JRHtmlExporterParameter.IS_USING_IMAGES_TO_ALIGN,false);//不显示px
exporter.setParameter(JRHtmlExporterParameter.IS_OUTPUT_IMAGES_TO_DIR, Boolean.FALSE);
exporter.setParameter(JRHtmlExporterParameter.BETWEEN_PAGES_HTML, "<br style='page-break-before:always;'>");
exporter.exportReport();
}
/**
* 生成不同格式报表文档
* @param docType 文档类型
* @param jasperPath
* @param params
* @param sourceList
* @param fileName
* @param response
*/
public void exportDocumentList(DocType docType, String jasperPath,
Map params, List sourceList, String fileName, HttpServletResponse response) throws Exception{
if (docType == DocType.HTML) {
servletExportHTMLList(jasperPath, params, sourceList, fileName, response);
return;
}
JRAbstractExporter exporter = getJRExporter(docType);
// 获取后缀
String ext = docType.toString().toLowerCase();
if (!fileName.toLowerCase().endsWith(ext)) {
fileName += "." + ext;
}
// 判断资源类型
if (ext.equals("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);
// 显示边框
exporter.setParameter(JRXlsExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);
}
response.setContentType(getContentType(docType));
response.setHeader("Content-Disposition", "attachment; filename=\"" + URLEncoder.encode(fileName, "UTF-8") + "\"");
exporter.setParameter(JRExporterParameter.JASPER_PRINT,
getPrintWithBeanList(jasperPath, params, sourceList));
OutputStream outStream = null;
PrintWriter outWriter = null;
if(ext.equals("csv")){//解决中文乱码问题
response.setCharacterEncoding("GBK");
outWriter = response.getWriter();
exporter.setParameter(JRExporterParameter.OUTPUT_WRITER,outWriter);
}else{
outStream = response.getOutputStream();
exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, outStream);
if(ext.equals("txt")){
exporter.setParameter(JRTextExporterParameter.CHARACTER_WIDTH, new Integer(80));
exporter.setParameter(JRTextExporterParameter.CHARACTER_HEIGHT, new Integer(25));
exporter.setParameter(JRTextExporterParameter.CHARACTER_ENCODING,"GBK");
}
}
try {
exporter.exportReport();
} catch (JRException e) {
throw new Exception(e);
} finally {
if (outStream != null) {
try {
outStream.close();
} catch (IOException ex) {
}
}
}
}
/**
* 生成不同格式报表文档
* @param docType 文档类型
* @param jasperPath
* @param params
* @param sourceList
* @param fileName
* @param response
*/
public void exportDocumentArray(DocType docType, String jasperPath,
Map params, Object[] sourceArray, String fileName, HttpServletResponse response) throws Exception{
if (docType == DocType.HTML) {
servletExportHTMLArray(jasperPath, params, sourceArray, fileName, response);
return;
}
JRAbstractExporter exporter = getJRExporter(docType);
// 获取后缀
String ext = docType.toString().toLowerCase();
if (!fileName.toLowerCase().endsWith(ext)) {
fileName += "." + ext;
}
// 判断资源类型
if (ext.equals("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);
// 显示边框
exporter.setParameter(JRXlsExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);
}
response.setContentType(getContentType(docType));
response.setHeader("Content-Disposition", "attachment; filename=\"" + URLEncoder.encode(fileName, "UTF-8") + "\"");
exporter.setParameter(JRExporterParameter.JASPER_PRINT,
getPrintWithBeanArayy(jasperPath, params, sourceArray));
OutputStream outStream = null;
PrintWriter outWriter = null;
if(ext.equals("csv")){//解决中文乱码问题
response.setCharacterEncoding("GBK");
outWriter = response.getWriter();
exporter.setParameter(JRExporterParameter.OUTPUT_WRITER,outWriter);
}else{
outStream = response.getOutputStream();
exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, outStream);
if(ext.equals("txt")){
exporter.setParameter(JRTextExporterParameter.CHARACTER_WIDTH, new Integer(80));
exporter.setParameter(JRTextExporterParameter.CHARACTER_HEIGHT, new Integer(25));
exporter.setParameter(JRTextExporterParameter.CHARACTER_ENCODING,"GBK");
}
}
try {
exporter.exportReport();
} catch (JRException e) {
throw new Exception(e);
} finally {
if (outStream != null) {
try {
outStream.close();
} catch (IOException ex) {
}
}
}
}
/**
* 生成不同格式报表文档
* @param docType 文档类型
* @param jasperPath 模板文件路径
* @param params 参数
* @param con 连接
* @param fileName 输出文件名
* @param response 相应对象
*/
//public void exportDocumentCon(DocType docType, String jasperPath, Map params, Connection con, String fileName, HttpServletResponse response) throws Exception{
public void exportDocumentCon(DocType docType, String jasperPath, Map params, String fileName, HttpServletResponse response) throws Exception{
DataSource dataSource ;
WebApplicationContext cont = WebApplicationContextUtils
.getRequiredWebApplicationContext(RequestFilter.threadLocalRequest.get()
.getSession().getServletContext());
dataSource = (DataSource)cont.getBean("dataSource");
Connection con = dataSource.getConnection();
if (docType == DocType.HTML) {
servletExportHTML(jasperPath, params, con, fileName, response);
return;
}
JRAbstractExporter exporter = getJRExporter(docType);
// 获取后缀
String ext = docType.toString().toLowerCase();
if (!fileName.toLowerCase().endsWith(ext)) {
fileName += "." + ext;
}
// 判断资源类型
if (ext.equals("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);
// 显示边框
exporter.setParameter(JRXlsExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);
}
response.setContentType(getContentType(docType));
response.setHeader("Content-Disposition", "attachment; filename=\"" + URLEncoder.encode(fileName, "UTF-8") + "\"");
exporter.setParameter(JRExporterParameter.JASPER_PRINT, getJasperPrint(jasperPath, params, con));
OutputStream outStream = null;
PrintWriter outWriter = null;
if(ext.equals("csv")){
//解决中文乱码问题
response.setCharacterEncoding("GBK");
outWriter = response.getWriter();
exporter.setParameter(JRExporterParameter.OUTPUT_WRITER,outWriter);
}else{
outStream = response.getOutputStream();
exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, outStream);
if(ext.equals("txt")){
exporter.setParameter(JRTextExporterParameter.CHARACTER_WIDTH, new Integer(80));
exporter.setParameter(JRTextExporterParameter.CHARACTER_HEIGHT, new Integer(25));
exporter.setParameter(JRTextExporterParameter.CHARACTER_ENCODING,"GBK");
}
}
try {
exporter.exportReport();
} catch (JRException e) {
throw new Exception(e);
} finally {
if (outStream != null) {
try {
outStream.flush();
outStream.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
}
public static DocType getEnumDocType(String docType){
DocType type = DocType.HTML;
docType = docType.toUpperCase();
if(docType.equals("PDF")){
type = DocType.PDF;
}else if(docType.equals("XLS")){
type = DocType.XLS;
}else if(docType.equals("XML")){
type = DocType.XML;
}else if(docType.equals("RTF")){
type = DocType.RTF;
}else if(docType.equals("CSV")){
type = DocType.CSV;
}else if(docType.equals("TXT")){
type = DocType.TXT;
}else if(docType.equals("DOC")){
type = DocType.DOC;
}
return type;
}
/**
* 预览不同格式报表文档
* @param docType 文档类型
* @param jasperPath
* @param params
* @param sourceList
*/
public void viewDocumentArray(String jasperPath,
Map params, Object[] sourceArray) throws Exception{
try {
JasperViewer.viewReport(getPrintWithBeanArayy(jasperPath, params, sourceArray));
} catch (JRException e) {
throw new Exception(e);
} finally {
}
}
/**
* 预览不同格式报表文档
* @param docType 文档类型
* @param jasperPath
* @param params
* @param sourceList
*/
public void viewDocumentList(String jasperPath,
Map params, List sourceArray) throws Exception{
try {
JasperViewer.viewReport(getPrintWithBeanList(jasperPath, params, sourceArray));
} catch (JRException e) {
throw new Exception(e);
} finally {
}
}
}
2.Controller类
@RequestMapping(params = "report")
public void report(String ddlx,HttpServletRequest request,HttpServletResponse response){
String idsArray[] = request.getParameterValues("id");
Transferwithin transferwithin = transferwithinService.getTransferwithinById(idsArray[0]);
CommonConfig config = new CommonConfig();
config.setCode(transferwithin.getDdhszjq());
config.setGroupCode("JQ");
config = commonConfigService.getCommonConfigbyCode(config);
IreportUtils ireportUtils = new IreportUtils();
String jasperPath="/report/ireportTemplete/zf_djtzs.jasper";
jasperPath = request.getSession().getServletContext().getRealPath(jasperPath);
String fileName="罪犯调监通知书";
Map<String,Object> params= new HashMap<String, Object>();
try {
params.put("title", "罪犯调动通知单 （存根）");
params.put("zihao", transferwithin.getDlxh());
params.put("content", " 因为改造需要，经研究同意将罪犯 "+transferwithin.getXm()+"等"+idsArray.length+"名分给"+config.getName()+",请于"+DateUtils.dateToString(transferwithin.getDdrq(), "yyyy年MM月dd日")+"前办理好交接手续。");
params.put("fmd", "附名单："+transferwithinService.getZfXmString(idsArray));
params.put("name", "德州监狱狱政管理科");
params.put("makedate", DateUtils.dateToString(new Date(), "yyyy年MM月dd日"));
ireportUtils.exportDocumentCon(DocType.PDF, jasperPath, params,fileName, response);
} catch (Exception e) {
throw new RunanException(e.getMessage());
}
}
导出图见附件，当然PDF某些元素是靠iReport工具生成。