JasperReport 生成Html、Excel、Pdf文件
项目截图如下：
该项目是：Maven项目
pom.xml
4.0.0
JasperReports
JasperReports
war
0.0.1-SNAPSHOT
JasperReports Maven Webapp
http://maven.apache.org
junit
junit
3.8.1
test
net.sf.jasperreports
jasperreports
5.6.0
org.codehaus.groovy
groovy-all
2.2.2
mysql
mysql-connector-java
5.1.30
javax.servlet
servlet-api
2.5
org.apache.poi
poi
3.14
org.apache.poi
poi-ooxml
3.14
org.apache.poi
poi-ooxml-schemas
3.14
com.itextpdf
itext-asian
5.1.0
net.sourceforge.javydreamercsw
JasperReport
0.1
com.jaspersoft
ireport
1.0.0
com.itextpdf
itextpdf
5.1.0
JasperReports
DbReport.jrxml 如下：
Jdbc.java 如下：
package com.accord.dao;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
public class Jdbc {
public static String driver="com.mysql.jdbc.Driver";
public static String url="jdbc:mysql://localhost:3306/db_studentinfo";
public static String user="root";
public static String pwd="123456";
public static Connection conn= getConnection();
public static Statement statement= getStatement();
public static Connection getConnection(){
if(conn==null){
try{
Class.forName(driver);
conn=DriverManager.getConnection(url,user,pwd);
}catch(Exception e){
e.printStackTrace();
}
}
return conn;
}
private static Statement getStatement(){
if(statement==null){
try{
statement=conn.createStatement();
}catch(Exception e){
e.printStackTrace();
}
}
return statement;
}
public static ResultSet getResultSet(String sql){
ResultSet rs=null;
try{
rs=statement.executeQuery(sql);
}catch(Exception e){
e.printStackTrace();
}
return rs;
}
public static void closeAll(ResultSet rs,Statement st,Connection cn){
try{
if(rs!=null){
rs.close();
}
if(st!=null){
st.close();
}
if(cn!=null){
cn.close();
}
}catch(Exception e){
e.printStackTrace();
}
}
}
创建一个Servlet，TestHttpReportServlet.java 如下：
package com.accord.test;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sf.jasperreports.engine.JRDataSource;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRExporterParameter;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.JasperReport;
import net.sf.jasperreports.engine.data.JRMapArrayDataSource;
import net.sf.jasperreports.engine.export.JRHtmlExporter;
import net.sf.jasperreports.engine.export.JRPdfExporter;
import net.sf.jasperreports.engine.export.JRXlsExporter;
import net.sf.jasperreports.engine.export.JRXlsExporterParameter;
import net.sf.jasperreports.engine.util.JRLoader;
import com.accord.dao.Jdbc;
public class TestHttpReportServlet extends HttpServlet {
public static void main(String[] args) {
String path = "http://localhost:8080/JasperReports/TestHttpReportServlet";
String str = path.substring(0, path.lastIndexOf("/"));
System.out.println(str);
}
private static final long serialVersionUID = 1L;
public TestHttpReportServlet() {
super();
}
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
// System.out.println("1");
doPost(request, response);
}
@SuppressWarnings("deprecation")
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
ServletContext context = this.getServletConfig().getServletContext();
try {
//JasperCompileManager.compileReportToFile("E:/report/DbReport.jrxml");
JasperCompileManager.compileReportToFile(context.getRealPath("/reports/DbReport.jrxml"));
} catch (JRException e1) {
e1.printStackTrace();
}//编译jrxml文件，生成jasper文件
File reportFile = new File(context.getRealPath("/reports/DbReport.jasper"));
if (!reportFile.exists())
throw new JRRuntimeException("FileWebappReport.jasper "
+ "not found. The report design must be compiledfirst.");
Map map = new HashMap();
map.put("name", "张三");
try {
File jasperFile = new File(context.getRealPath("/reports/DbReport.jasper"));
JasperReport jasperReport = (JasperReport) JRLoader.loadObject(jasperFile);
JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, map, Jdbc.getConnection());
String fileName = jasperPrint.getName() + ".html";
File destFile = new File(context.getRealPath("/reports"), fileName);
String destFileName = destFile.toString();
//生成html数据
JRHtmlExporter exporter = new JRHtmlExporter();
exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
exporter.setParameter(JRExporterParameter.OUTPUT_FILE_NAME,destFileName);
exporter.setParameter(JRExporterParameter.CHARACTER_ENCODING,"GB2312"); // 关键是此句
exporter.exportReport();
System.out.println(request.getRequestURL());
String path = request.getRequestURL().toString();
String str = path.substring(0, path.lastIndexOf("/"));
response.sendRedirect(str + "/reports/" + fileName);
//生成Excel
/*JRXlsExporter xls = new JRXlsExporter();
xls.setParameter(JRXlsExporterParameter.JASPER_PRINT, jasperPrint);
xls.setParameter(JRXlsExporterParameter.OUTPUT_STREAM, response.getOutputStream());
xls.setParameter(JRXlsExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.FALSE);
xls.setParameter(JRXlsExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);
response.setHeader("Content-Disposition", "attachement;filename=first.xls");
response.setContentType("application/vnd_ms-excel");
xls.exportReport();*/
//生成pdf
/*JRPdfExporter pdf = new JRPdfExporter();
pdf.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
pdf.setParameter(JRExporterParameter.OUTPUT_STREAM, response.getOutputStream());
response.setHeader("Content-Disposition", "attachement;filename=first.pdf");
response.setContentType("application/pdf");
response.setCharacterEncoding("UTF-8");
pdf.exportReport();*/
} catch (JRException e) {
e.printStackTrace();
}
}
public JRDataSource getReportDataSource() {
JRMapArrayDataSource dataSource = new JRMapArrayDataSource(
getMaparray());
return dataSource;
}
public Map[] getMaparray() {
// map key键必须对应DbReport.jrxml中显示数据字段
Map map1 = new HashMap();
map1.put("id", 1);
map1.put("name", "aaa");
map1.put("age", "20");
Map map2 = new HashMap();
map2.put("id", 2);
map2.put("name", "bbb");
map2.put("age", "28");
Map map3 = new HashMap();
map3.put("id", 3);
map3.put("name", "ccc");
map3.put("age", "30");
Map[] mapArray = new Map[3];
mapArray[0] = map1;
mapArray[1] = map2;
mapArray[2] = map3;
return mapArray;
}
}
web.xml 如下：
Archetype Created Web Application
TestHttpReportServlet
TestHttpReportServlet
com.accord.test.TestHttpReportServlet
TestHttpReportServlet
/TestHttpReportServlet
打开浏览器，访问链接地址：http://localhost:8080/JasperReports/TestHttpReportServlet
TestHttpReport.java 如下：
package com.accord.test;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.sf.jasperreports.engine.JRDataSource;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.JasperReport;
import net.sf.jasperreports.engine.JasperRunManager;
import net.sf.jasperreports.engine.data.JRMapArrayDataSource;
import net.sf.jasperreports.engine.export.JRXlsExporter;
import net.sf.jasperreports.engine.export.JRXlsExporterParameter;
import net.sf.jasperreports.engine.util.JRLoader;
import com.accord.dao.Jdbc;
@SuppressWarnings("serial")
public class TestHttpReport extends HttpServlet {
public void service(HttpServletRequest request,
HttpServletResponse response) {
try {
ServletContext context = this.getServletConfig().getServletContext();
//JasperCompileManager 编译管理器
//JasperFillManager 填充管理器
//JRXmlLoader xml加载器
//JasperPrintManager 打印管理器
//JasperExportManager 导出管理器
//JasperRunManager 运行管理器
//编译jrxml文件，生成jasper文件
JasperCompileManager.compileReportToFile(context.getRealPath("/reports/DbReport.jrxml"));
Map map = new HashMap();
map.put("name", "张三");
File jasperFile = new File(context.getRealPath("/reports/DbReport.jasper"));
JasperReport jasperReport = (JasperReport) JRLoader.loadObject(jasperFile);
JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, map, Jdbc.getConnection());
//以map数组位数据源，生成html文件
JasperRunManager.runReportToHtmlFile(context.getRealPath("/reports/DbReport.jasper"), "E:/report/test2.html", map, getReportDataSource());
try {
//生成excel
JRXlsExporter xls = new JRXlsExporter();
xls.setParameter(JRXlsExporterParameter.JASPER_PRINT, jasperPrint);
xls.setParameter(JRXlsExporterParameter.OUTPUT_STREAM, response.getOutputStream());
xls.setParameter(JRXlsExporterParameter.IS_ONE_PAGE_PER_SHEET, Boolean.FALSE);
xls.setParameter(JRXlsExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);
response.setHeader("Content-Disposition", "attachment;filename=first.xls");
response.setContentType("application/vnd_ms-excel");
xls.exportReport();
} catch (IOException e) {
e.printStackTrace();
}
} catch (JRException e) {
e.printStackTrace();
}
}
public JRDataSource getReportDataSource() {
JRMapArrayDataSource dataSource = new JRMapArrayDataSource(getMaparray());
return dataSource;
}
public Map[] getMaparray() {
//map key键必须对应DbReport.jrxml中显示数据字段
Map map1=new HashMap();
map1.put("id", 1);
map1.put("name", "aaa");
map1.put("age", "20");
Map map2=new HashMap();
map2.put("id", 2);
map2.put("name", "bbb");
map2.put("age", "28");
Map map3=new HashMap();
map3.put("id", 3);
map3.put("name", "ccc");
map3.put("age", "30");
Map[] mapArray=new Map[3];
mapArray[0]=map1;
mapArray[1]=map2;
mapArray[2]=map3;
return mapArray;
}
}
TestJrxmlToJasper.java 如下：
package com.accord.test;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JasperCompileManager;
public class TestJrxmlToJasper {
public static void main(String[] args) throws Exception {
String path = "E:/report/DbReport.jrxml";
File file = new File(path);
String parentPath = file.getParent();
String jrxmlDestSourcePath = "E:/report/DbReport.jasper";
JasperCompileManager.compileReportToFile(path,
jrxmlDestSourcePath);
InputStream isRef = new FileInputStream(new File(jrxmlDestSourcePath));
/*ServletOutputStream sosRef = response.getOutputStream();
response.setContentType("application/pdf");
JasperRunManager.runReportToPdfStream(isRef,sosRef,new HashMap(),
new JREmptyDataSource());
sosRef.flush();
sosRef.close();*/
}
}
TestReport.java 如下：
package com.accord.test;
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import com.accord.dao.Jdbc;
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.JasperReport;
import net.sf.jasperreports.engine.export.JRHtmlExporter;
import net.sf.jasperreports.engine.export.JRHtmlExporterParameter;
import net.sf.jasperreports.engine.export.JRXlsExporter;
import net.sf.jasperreports.engine.export.JRXlsExporterParameter;
import net.sf.jasperreports.engine.export.JRXmlExporterParameter;
import net.sf.jasperreports.engine.util.JRLoader;
public class TestReport {
public static void main(String[] args) {
service();
}
//protected void service(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {\
public static void service(){
try{
//ServletContext context = this.getServletConfig().getServletContext();
//JasperCompileManager 编译管理器
//JasperFillManager 填充管理器
//JRXmlLoader xml加载器
//JasperPrintManager 打印管理器
//JasperExportManager 导出管理器
JasperCompileManager.compileReportToFile("E:/report/DbReport.jrxml");//编译jrxml文件，生成jasper文件
Map map=new HashMap();//参数map
map.put("name", "张三");
//生成jrprint文件
//JasperFillManager.fillReportToFile(context.getRealPath("/reports/DbReport.jasper"), map, JDBC.conn);
File jasperFile=new File("E:/report/DbReport.jasper");
JasperReport jasperReport =(JasperReport)JRLoader.loadObject(jasperFile);
JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, map,Jdbc.getConnection());
File file=new File("E:/report/DbReport.html");
//生成html 测试成功
/*JRHtmlExporter html = new JRHtmlExporter();
html.setParameter(JRHtmlExporterParameter.JASPER_PRINT, jasperPrint);
html.setParameter(JRHtmlExporterParameter.OUTPUT_FILE_NAME,"E:/report/DbReport.html");//生成文件
//html.setParameter(JRHtmlExporterParameter.OUTPUT_WRITER,response.getWriter()); // web页面显示
html.setParameter(JRHtmlExporterParameter.IS_USING_IMAGES_TO_ALIGN,Boolean.FALSE);
html.setParameter(JRExporterParameter.CHARACTER_ENCODING, "utf-8");
html.exportReport();*/
//生成excel
/*JRXlsExporter xls=new JRXlsExporter();
xls.setParameter(JRXlsExporterParameter.JASPER_PRINT, jasperPrint);
xls.setParameter(JRXlsExporterParameter.OUTPUT_STREAM, respon);
xls.exportReport();*/
//生成pdf
/*
JRPdfExporter pdf = new JRPdfExporter();
*/
}catch(Exception e){
e.printStackTrace();
}
}
}
注：JasperReport 生成的Pdf文件，中文不显示，这个没有解决，路过的大神指点一下！ 992544491@qq.com