【发布时间】：2015-11-23 16:55:32
【问题描述】：
我的jrxml文件如下
<?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="fancy" language="groovy" pageWidth="595" pageHeight="842" columnWidth="535" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="09087f48-655f-47b7-ba5e-c4e4e1c2b7ad">
<property name="ireport.zoom" value="1.0"/>
<property name="ireport.x" value="27"/>
<property name="ireport.y" value="86"/>
<style name="Title" fontName="Times New Roman" fontSize="50" isBold="true" pdfFontName="Times-Bold"/>
<style name="SubTitle" forecolor="#736343" fontName="Arial" fontSize="18"/>
<style name="Column header" forecolor="#666666" fontName="Arial" fontSize="12" isBold="true"/>
<style name="Detail" fontName="Arial" fontSize="12"/>
<style name="Row" mode="Transparent">
<conditionalStyle>
<conditionExpression><![CDATA[$V{REPORT_COUNT}%2 == 0]]></conditionExpression>
<style backcolor="#E6DAC3"/>
</conditionalStyle>
</style>
<style name="table">
<box>
<pen lineWidth="1.0" lineColor="#000000"/>
</box>
</style>
<style name="table_TH" mode="Opaque" backcolor="#F0F8FF">
<box>
<pen lineWidth="0.5" lineColor="#000000"/>
</box>
</style>
<style name="table_CH" mode="Opaque" backcolor="#BFE1FF">
<box>
<pen lineWidth="0.5" lineColor="#000000"/>
</box>
</style>
<style name="table_TD" mode="Opaque" backcolor="#FFFFFF">
<box>
<pen lineWidth="0.5" lineColor="#000000"/>
</box>
</style>
<style name="table 1">
<box>
<pen lineWidth="1.0" lineColor="#000000"/>
</box>
</style>
<style name="table 1_TH" mode="Opaque" backcolor="#F0F8FF">
<box>
<pen lineWidth="0.5" lineColor="#000000"/>
</box>
</style>
<style name="table 1_CH" mode="Opaque" backcolor="#BFE1FF">
<box>
<pen lineWidth="0.5" lineColor="#000000"/>
</box>
</style>
<style name="table 1_TD" mode="Opaque" backcolor="#FFFFFF">
<box>
<pen lineWidth="0.5" lineColor="#000000"/>
</box>
</style>
<style name="table 2">
<box>
<pen lineWidth="1.0" lineColor="#000000"/>
</box>
</style>
<style name="table 2_TH" mode="Opaque" backcolor="#F0F8FF">
<box>
<pen lineWidth="0.5" lineColor="#000000"/>
</box>
</style>
<style name="table 2_CH" mode="Opaque" backcolor="#BFE1FF">
<box>
<pen lineWidth="0.5" lineColor="#000000"/>
</box>
</style>
<style name="table 2_TD" mode="Opaque" backcolor="#FFFFFF">
<box>
<pen lineWidth="0.5" lineColor="#000000"/>
</box>
</style>
<subDataset name="New Dataset 1" uuid="aa2fab2d-72e6-47b4-bc09-7c11fe93d3b1">
<queryString language="SQL">
<![CDATA[select * from qol_users]]>
</queryString>
<field name="user_id" class="java.lang.Integer">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="Date_format" class="java.lang.String">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="email_id" class="java.lang.String">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="enable" class="java.lang.String">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="expiry_date" class="java.sql.Timestamp">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="first_name" class="java.lang.String">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="last_name" class="java.lang.String">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="password" class="java.lang.String">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="phone_number" class="java.lang.String">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="roles" class="java.lang.String">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="time_zone" class="java.lang.String">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="updated_by" class="java.lang.String">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="updated_date" class="java.sql.Timestamp">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="uploaded_by" class="java.lang.String">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="uploaded_date" class="java.sql.Date">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="user_name" class="java.lang.String">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<group name="roles">
<groupExpression><![CDATA[$F{roles}]]></groupExpression>
</group>
<group name="updated_date">
<groupExpression><![CDATA[$F{updated_date}]]></groupExpression>
</group>
</subDataset>
<field name="user_id" class="java.lang.Integer">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="first_name" class="java.lang.String">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="last_name" class="java.lang.String">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<field name="email_id" class="java.lang.String">
<fieldDescription><![CDATA[]]></fieldDescription>
</field>
<background>
<band splitType="Stretch"/>
</background>
<title>
<band height="136" splitType="Stretch">
<image>
<reportElement x="138" y="47" width="247" height="63" uuid="dcc00d69-2974-4c7b-a56a-bfa75c7bfec2"/>
<imageExpression><![CDATA["/home/bvsreddy/Desktop/qolsys_logo.png"]]></imageExpression>
</image>
</band>
</title>
<pageHeader>
<band height="50">
<staticText>
<reportElement x="182" y="0" width="146" height="36" uuid="870eb702-9d4b-432a-85e7-e46c77ef0896"/>
<textElement textAlignment="Center">
<font size="16" isBold="true"/>
</textElement>
<text><![CDATA[USER DETAILS]]></text>
</staticText>
</band>
</pageHeader>
<detail>
<band height="268" splitType="Stretch">
<componentElement>
<reportElement key="table 2" style="table 2" x="88" y="0" width="360" height="153" uuid="b87156b4-37dd-4d85-9c70-d56b8626cb3d"/>
<jr:table xmlns:jr="http://jasperreports.sourceforge.net/jasperreports/components" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports/components http://jasperreports.sourceforge.net/xsd/components.xsd">
<datasetRun subDataset="New Dataset 1" uuid="5bb1a22f-d699-46e1-8823-3e7ef9d73da0">
<connectionExpression><![CDATA[$P{REPORT_CONNECTION}]]></connectionExpression>
</datasetRun>
<jr:column width="90" uuid="fd96d212-138d-4897-856d-4e4e5ff49ffa">
<jr:columnHeader style="table 2_CH" height="30" rowSpan="1">
<staticText>
<reportElement x="0" y="0" width="90" height="30" uuid="98f3f318-bfca-4ce3-8bbf-c23df16a590e"/>
<textElement textAlignment="Center"/>
<text><![CDATA[User Id]]></text>
</staticText>
</jr:columnHeader>
<jr:detailCell style="table 2_TD" height="20" rowSpan="1">
<textField>
<reportElement x="0" y="0" width="90" height="20" uuid="7b49c4f7-982a-4cfd-a099-cc87619b0b74"/>
<textElement textAlignment="Center"/>
<textFieldExpression><![CDATA[$F{user_id}]]></textFieldExpression>
</textField>
</jr:detailCell>
</jr:column>
<jr:column width="90" uuid="d68226dc-73d7-4bbb-8c7a-372b7cc924e5">
<jr:columnHeader style="table 2_CH" height="30" rowSpan="1">
<staticText>
<reportElement x="0" y="0" width="90" height="30" uuid="31a8a8f1-2d66-40c9-88b5-bd994084fc6f"/>
<textElement textAlignment="Center"/>
<text><![CDATA[First Name]]></text>
</staticText>
</jr:columnHeader>
<jr:detailCell style="table 2_TD" height="20" rowSpan="1">
<textField>
<reportElement x="0" y="0" width="90" height="20" uuid="e9758f4a-9a9b-45d0-8efd-cd069d131978"/>
<textElement textAlignment="Center"/>
<textFieldExpression><![CDATA[$F{first_name}]]></textFieldExpression>
</textField>
</jr:detailCell>
</jr:column>
<jr:column width="90" uuid="b0e486a4-9df4-4db2-93a8-26d9a9e89df5">
<jr:columnHeader style="table 2_CH" height="30" rowSpan="1">
<staticText>
<reportElement x="0" y="0" width="90" height="30" uuid="e72a1b56-339c-4de8-b9e8-59d7006c9ac7"/>
<textElement textAlignment="Center"/>
<text><![CDATA[Last Name]]></text>
</staticText>
</jr:columnHeader>
<jr:detailCell style="table 2_TD" height="20" rowSpan="1">
<textField>
<reportElement x="0" y="0" width="90" height="20" uuid="04d87c2c-ff0a-42cf-9fa4-2abbe35d9545"/>
<textElement textAlignment="Center"/>
<textFieldExpression><![CDATA[$F{last_name}]]></textFieldExpression>
</textField>
</jr:detailCell>
</jr:column>
<jr:column width="90" uuid="d96b6156-007d-4ae4-b0b0-39260f24b69a">
<jr:columnHeader style="table 2_CH" height="30" rowSpan="1">
<staticText>
<reportElement x="0" y="0" width="90" height="30" uuid="d4a189b3-d58c-4f27-8638-3653f0d40ffa"/>
<textElement textAlignment="Center"/>
<text><![CDATA[Email Id]]></text>
</staticText>
</jr:columnHeader>
<jr:detailCell style="table 2_TD" height="20" rowSpan="1">
<textField>
<reportElement x="0" y="0" width="90" height="20" uuid="ba369562-9505-453a-a046-2da72a2b1658"/>
<textElement textAlignment="Center"/>
<textFieldExpression><![CDATA[$F{email_id}]]></textFieldExpression>
</textField>
</jr:detailCell>
</jr:column>
</jr:table>
</componentElement>
</band>
</detail>
<columnFooter>
<band height="26" splitType="Stretch">
<line>
<reportElement positionType="FixRelativeToBottom" x="0" y="3" width="555" height="1" uuid="30c3c673-20c8-4ab4-a9f7-88e6a5ad473d"/>
<graphicElement>
<pen lineWidth="0.5" lineColor="#999999"/>
</graphicElement>
</line>
</band>
</columnFooter>
<pageFooter>
<band height="25" splitType="Stretch">
<frame>
<reportElement mode="Opaque" x="-21" y="1" width="597" height="24" forecolor="#D0B48E" backcolor="#F2EBDF" uuid="04480c15-33dd-4f95-9544-6b1c27980b06"/>
<textField evaluationTime="Report">
<reportElement style="Column header" x="533" y="0" width="40" height="20" forecolor="#736343" uuid="81ddfb0c-8809-4160-99d9-36f05049d373"/>
<textElement verticalAlignment="Middle">
<font size="10" isBold="false"/>
</textElement>
<textFieldExpression><![CDATA[" " + $V{PAGE_NUMBER}]]></textFieldExpression>
</textField>
<textField>
<reportElement style="Column header" x="453" y="0" width="80" height="20" forecolor="#736343" uuid="f69661cc-9569-42bc-8e24-029539753602"/>
<textElement textAlignment="Right" verticalAlignment="Middle">
<font size="10" isBold="false"/>
</textElement>
<textFieldExpression><![CDATA["Page "+$V{PAGE_NUMBER}+" of"]]></textFieldExpression>
</textField>
<textField pattern="EEEEE dd MMMMM yyyy">
<reportElement style="Column header" x="22" y="1" width="197" height="20" forecolor="#736343" uuid="09521691-6218-4f06-818c-3d823163e384"/>
<textElement verticalAlignment="Middle">
<font size="10" isBold="false"/>
</textElement>
<textFieldExpression><![CDATA[new java.util.Date()]]></textFieldExpression>
</textField>
</frame>
</band>
</pageFooter>
<summary>
<band splitType="Stretch"/>
</summary>
</jasperReport>'
我的 java 文件如下，任何快速帮助表示赞赏....谢谢
import java.io.File;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import net.sf.jasperreports.engine.JRExporter;
import net.sf.jasperreports.engine.JRExporterParameter;
import net.sf.jasperreports.engine.JRResultSetDataSource;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import net.sf.jasperreports.engine.export.JRPdfExporter;
public class Fancy
{
public static void main(String[] args) throws SQLException
{
Connection connection = null;
ResultSet resultSet = null;
Statement statement = null;
try
{
Class.forName("com.mysql.jdbc.Driver");
String url = "jdbc:mysql://localhost:3306/mydb?user=root&password=root";
String query = " select user_id, first_name, last_name, email_id from users";
connection = DriverManager.getConnection(url);
statement = connection.createStatement();
resultSet = statement.executeQuery(query);
File reportFile = new File("/home/bvsreddy/Desktop/fancy.jasper");
Map hm = new HashMap();
String outFileName = "/home/bvsreddy/Desktop/fancy.pdf";
List<CustomUser> users = new ArrayList<>();
while(resultSet.next()){
CustomUser customUser = new CustomUser();
customUser.setUser_id(resultSet.getInt(1));
customUser.setFirst_name(resultSet.getString(2));
customUser.setLast_name(resultSet.getString(3));
customUser.setEmail_id(resultSet.getString(4));
users.add(customUser);
}
System.out.println(users.size());
JasperPrint print = JasperFillManager.fillReport(reportFile.getPath(), hm, new JRBeanCollectionDataSource(users,false));
// Create a PDF exporter
JRExporter exporter = new JRPdfExporter();
// Configure the exporter (set output file name and print object)
exporter.setParameter(JRExporterParameter.OUTPUT_FILE_NAME, outFileName);
exporter.setParameter(JRExporterParameter.JASPER_PRINT, print);
// Export the PDF file
exporter.exportReport();
}
catch (Exception e)
{
e.printStackTrace();
}
finally
{
//boilerplate code to close the result set, statement, and exception
}
}
}
我试过了，但是我得到了空桌子
【问题讨论】：
-
非常感谢任何快速帮助....
-
你检查了用户列表吗？也许它是空的......
-
不，我们有用户列表
标签： java jasper-reports