必威体育Betway必威体育官网
当前位置：首页 > IT技术

JasperReport 生成Html、Excel、Pdf文件

时间:2019-09-01 14:12:10来源:IT技术作者:seo实验室小编阅读:52次「手机版」
　

jasperreport

项目截图如下：

该项目是：Maven项目

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>JasperReports</groupId>
  <artifactId>JasperReports</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>JasperReports Maven WebAPP</name>
  <url>http://maven.apache.org</url>
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
    
    <!-- ireport JasperReports -->  
<dependency>  
    <groupId>net.sf.jasperreports</groupId>  
    <artifactId>jasperreports</artifactId>  
    <version>5.6.0</version>  
</dependency>  
<dependency>  
    <groupId>org.codehaus.groovy</groupId>  
    <artifactId>groovy-all</artifactId>  
    <version>2.2.2</version>  
</dependency> 

<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>5.1.30</version>
</dependency>


<dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>servlet-api</artifactId>
    <version>2.5</version>
</dependency>

<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi</artifactId>
    <version>3.14</version>
</dependency>

<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi-ooxml</artifactId>
    <version>3.14</version>
</dependency>
<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi-ooxml-schemas</artifactId>
    <version>3.14</version>
</dependency>

<!-- https://mvnrepository.com/artifact/com.itextpdf/itext-asian -->
<dependency>
    <groupId>com.itextpdf</groupId>
    <artifactId>itext-asian</artifactId>
    <version>5.1.0</version>
</dependency>

<!-- 解决pdf中文问题 导入jar包 开始 -->
<!-- https://mvnrepository.com/artifact/net.sourceforge.javydreamercsw/JasperReport -->
<dependency>
    <groupId>net.sourceforge.javydreamercsw</groupId>
    <artifactId>JasperReport</artifactId>
    <version>0.1</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.jaspersoft/ireport -->
 <dependency>
    <groupId>com.jaspersoft</groupId>
    <artifactId>ireport</artifactId>
    <version>1.0.0</version>
</dependency> 
<!-- https://mvnrepository.com/artifact/com.itextpdf/itextpdf -->
<dependency>
    <groupId>com.itextpdf</groupId>
    <artifactId>itextpdf</artifactId>
    <version>5.1.0</version>
</dependency>



<!-- 解决pdf中文问题 导入jar包 结束 -->

  </dependencies>
  <build>
    <finalName>JasperReports</finalName>
  </build>
</project>

DbReport.jrxml 如下：

<?xml version="1.0" encoding="UTF-8" ?>  
<jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports"   
            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"   
            xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports   
                                http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="DbReport" >  
  
    <!-- jasperReport标签中name="DbReport"需要对应外面文件名, $P{}为填充参数,$V{}为值 ,$F{}为查询值或者为Jr数据-->  
  
    <!-- 页面样式标签 属性：  
        forecolor(前景色，就是文本)  
        backcolor(背景色)  
        hAlign(水平位置Center, Justified, Left, Right)   
        vAlign(垂直位置Bottom, Middle, Top)   
        border(边框1Point, 2Point, 4Point, Dotted, None, Thin)   
        borderColor(边框颜色)   
        fontName(字体)   
        fontSize(字体大小)   
        isBold,isItalic,IsUnderline,isStrikeThrough(粗体，斜体，下画线,..)   
        lineSpacing(1_1_2, Double, Single行间距)   
        rotation(旋转,Left, None, Right,转的是90度)   
        isStyledText(指示这个Element是否用Style,true,false)   
        isDefault(说明这个样式是否默认样式)   
    -->  
    <style name="pageHeader" forecolor="#FFFFFF" backcolor="#333333" />
	
	<!--<style name="pdfStyle" isDefault="true" pdfFontName="STSong-Light" pdfEncoding="UniGB-UCS2-H(Chinese Siplified)" isPdfEmbedded="true"/> -->
  
    <!-- 参数标签 -->  
    <parameter name="name" class="java.lang.String"/>  
      
    <!-- 查询语句标签 -->  
    <queryString>  
        <![CDATA[ 
            select id,age,name from user where name=$P{name} 
        ]]>  
    </queryString>   
    <!-- 显示字段标签 -->  
    <field name="id" class="java.lang.integer" />  
    <field name="name" class="java.lang.String" />  
    <field name="age" class="java.lang.String" />  
    
      
    <pageHeader>  
        <band height="30">  
            <staticText>  
                <reportElement style="pageHeader"  x="0" y="5" width="55" height="15"/>  
                <textElement textAlignment="Center"/>  
                <text><![CDATA[ID]]></text>  
            </staticText>  
            <staticText>  
                <reportElement style="pageHeader"  x="55" y="5" width="205" height="15"/>  
				
                <text><![CDATA[Name]]></text>  
            </staticText>  
            <staticText>  
                <reportElement style="pageHeader"  x="160" y="5" width="255" height="15"/>  
                <text><![CDATA[Age]]></text>  
            </staticText>  
            
        </band>  
    </pageHeader>  
    <!-- 显示内容-->  
    <detail>  
        <band height="20">  
            <textField>  
                <reportElement x="0" y="4" width="50" height="15"/>  
                <textElement textAlignment="Right"/>  
                <textFieldExpression><![CDATA[$F{id}]]></textFieldExpression>  
            </textField>  
            <textField isStretchWithOverflow="true">  
                <reportElement positionType="Float" x="55" y="4" width="100" height="15"/>
				
                <textFieldExpression><![CDATA[$F{name}]]></textFieldExpression>  
            </textField>  
            <textField isStretchWithOverflow="true">  
                <reportElement positionType="Float" x="160" y="4" width="100" height="15"/>  
                <textFieldExpression><![CDATA[$F{age}]]></textFieldExpression>  
            </textField>  
             
  
            <line>  
                <reportElement positionType="Float" x="0" y="19" width="515" height="1" forecolor="#808080"/>  
            </line>  
        </band>  
    </detail>  
      
</jasperReport>

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：

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD web application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >

<web-app>
  <display-name>Archetype Created Web Application</display-name>
  <servlet>
  	<servlet-name>TestHttpReportServlet</servlet-name>
  	<display-name>TestHttpReportServlet</display-name>
  	<description></description>
  	<servlet-class>com.accord.test.TestHttpReportServlet</servlet-class>
  </servlet>
  <servlet-mapping>
  	<servlet-name>TestHttpReportServlet</servlet-name>
  	<url-pattern>/TestHttpReportServlet</url-pattern>
  </servlet-mapping>
</web-app>

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！  [email protected]

相关阅读

Jasperreport基本介绍(Jasperreport与Ireport介绍)

Jasperreport基本介绍Jasperreport与Ireport介绍Jasperreport是报表打印工具，支持pdf、csv多种格式的报表打印。JasperReport是一

赞()
分享到:

猜你喜欢

栏目导航

推荐阅读

热门阅读

seo实验室提供seo优化服务，有网站优化、网站建设、运营推广等需求请联系我们!
Copyright © 2001-2017 .seo实验室 版权所有 网站地图