내 재 스퍼 보고서 작성 문제가 struts2 인 Im 작성 중입니다.JasperReport struts2에서 사용하는 문제 - 최종 PDF 파일에 null이 표시되는 경우
struts.xml이 포함되어 있습니다 :
<action name="myJasperTest1" class="temp.JasperAction1">
<result name="success" type="jasper">
<param name="location">/jasper/our_compiled_template.jasper</param>
<param name="dataSource">myList</param>
<param name="format">PDF</param>
</result>
</action>
내 JasperAction1가 포함
import java.util.ArrayList;
import java.util.List;
import java.io.FileInputStream;
import com.opensymphony.xwork2.ActionSupport;
import com.sufalam.business.model.util.LegacyJasperInputStream;
import com.sufalam.business.finance.model.bean.Account;
import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.design.JasperDesign;
import net.sf.jasperreports.engine.xml.JRXmlLoader;
public class JasperAction1 extends ActionSupport {
/** List to use as our JasperReports dataSource. */
private List<Account> myList;
public String execute() throws Exception {
// Create some imaginary persons.
Account a1 = new Account();
Account a2 = new Account();
a1.setId(77);
a1.setName("aaa");
a2.setId(88);
a2.setName("bbb");
// Store people in our dataSource list (normally would come from database).
myList = new ArrayList<Account>();
myList.add(a1);
myList.add(a2);
// Normally we would provide a pre-compiled .jrxml file
// or check to make sure we don't compile on every request.
try {
JasperDesign design = JRXmlLoader.load(
new LegacyJasperInputStream(new FileInputStream("F://backup//report2.jrxml")));
JasperCompileManager.compileReportToFile(design, "F://backup//our_compiled_template1.jasper");
} catch (Exception e) {
e.printStackTrace();
return ERROR;
}
return SUCCESS;
}
public List<Account> getMyList() {
return myList;
}
}
내가 의 iReport 플러그인 의 넷빈즈을 사용하고 다음은 내가 실행하기 위해 노력하고있어 코드 .jrxml 파일을 생성하십시오. 내가 PDF 형식으로 출력 다음은 나에게주는이 작업 클래스를 실행할 때
<?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="null" pageWidth="595" pageHeight="842" columnWidth="535" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20">
<queryString language="SQL">
<![CDATA[SELECT
account_master."name" AS account_master_name,
account_master."id" AS account_master_id
FROM
"public"."account_master" account_master]]>
</queryString>
<field name="account_master_name" class="java.lang.String"/>
<field name="account_master_id" class="java.lang.Integer"/>
<title>
<band height="58">
<line>
<reportElement x="0" y="8" width="555" height="1"/>
</line>
<line>
<reportElement positionType="FixRelativeToBottom" x="0" y="51" width="555" height="1"/>
</line>
<staticText>
<reportElement x="65" y="13" width="424" height="35"/>
<textElement textAlignment="Center">
<font size="26" isBold="true"/>
</textElement>
<text><![CDATA[Classic template]]>
</text>
</staticText>
</band>
</title>
<detail>
<band height="40">
<staticText>
<reportElement x="0" y="0" width="139" height="20"/>
<textElement>
<font size="12"/>
</textElement>
<text><![CDATA[account_master_name]]>
</text>
</staticText>
<textField>
<reportElement x="139" y="0" width="416" height="20"/>
<textElement>
<font size="12"/>
</textElement>
<textFieldExpression class="java.lang.String"><![CDATA[$F{account_master_name}]]>
</textFieldExpression>
</textField>
<staticText>
<reportElement x="0" y="20" width="139" height="20"/>
<textElement>
<font size="12"/>
</textElement>
<text><![CDATA[account_master_id]]>
</text>
</staticText>
<textField>
<reportElement x="139" y="20" width="416" height="20"/>
<textElement>
<font size="12"/>
</textElement>
<textFieldExpression class="java.lang.Integer"><![CDATA[$F{account_master_id}]]>
</textFieldExpression>
</textField>
</band>
</detail>
<pageFooter>
<band height="26">
<textField evaluationTime="Report" pattern="" isBlankWhenNull="false">
<reportElement key="textField" x="516" y="6" width="36" height="19" forecolor="#000000" backcolor="#FFFFFF"/>
<box>
<topPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
<leftPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
<bottomPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
<rightPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
</box>
<textElement>
<font size="10"/>
</textElement>
<textFieldExpression class="java.lang.String"><![CDATA["" + $V{PAGE_NUMBER}]]>
</textFieldExpression>
</textField>
<textField pattern="" isBlankWhenNull="false">
<reportElement key="textField" x="342" y="6" width="170" height="19" forecolor="#000000" backcolor="#FFFFFF"/>
<box>
<topPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
<leftPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
<bottomPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
<rightPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
</box>
<textElement textAlignment="Right">
<font size="10"/>
</textElement>
<textFieldExpression class="java.lang.String"><![CDATA["Page " + $V{PAGE_NUMBER} + " of "]]>
</textFieldExpression>
</textField>
<textField pattern="" isBlankWhenNull="false">
<reportElement key="textField" x="1" y="6" width="209" height="19" forecolor="#000000" backcolor="#FFFFFF"/>
<box>
<topPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
<leftPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
<bottomPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
<rightPen lineWidth="0.0" lineStyle="Solid" lineColor="#000000"/>
</box>
<textElement>
<font size="10"/>
</textElement>
<textFieldExpression class="java.util.Date"><![CDATA[new Date()]]>
</textFieldExpression>
</textField>
</band>
</pageFooter>
</jasperReport>
가 지금 직면하고있어 문제가 : 의 iReport 마법사 내 our_jasper_template.jrxml 파일을 사용하여 내 페이지를 디자인 한 후 다음 코드 포함
나중에하지만 필드 이름으로 ID 및 이름을 변경하려고했습니다. 하지만 여전히 보고서를 작성하는 동안 오류가 아니라 결과로 null 값을 얻고있다. DEBUG는 나를 채우는 것을 보여줍니다 : null은 오류가 아닙니다 ... 당신의 의견이 있습니까? – Nirmal