自定义excel转pdf
作者：互联网
读取excel参考
https://blog.csdn.net/L123713/article/details/85004085
汉字暂时无法显示2019-10-12日，已解决，链接地址
https://blog.csdn.net/aixuner1002/article/details/102518746
public class ReadExcel{
public static void main(String[] args) throws JRException, IOException {
ReadExcel read=new ReadExcel();
read.topdf();
}
// 去读Excel的方法readExcel，该方法的入口参数为一个File对象
private List<ExcelParam> readExcel(File file) {
try {
// 创建输入流，读取Excel
InputStream is = new FileInputStream(file.getAbsolutePath());
// jxl提供的Workbook类
Workbook wb = Workbook.getWorkbook(is);
// Excel的页签数量
int sheetSize = wb.getNumberOfSheets();
for (int index = 0; index < sheetSize; index++) {
List<ExcelParam> outerList = new ArrayList<ExcelParam>();
// 每个页签创建一个Sheet对象
Sheet sheet = wb.getSheet(index);
// sheet.getRows()返回该页的总行数
for (int i = 0; i < sheet.getRows(); i++) {// 获取每一行的列数
// sheet.getColumns()返回该页的总列数
for (int j = 0; j < sheet.getColumns(); j++) {
ExcelParam param = new ExcelParam();
String cellinfo = sheet.getCell(j, i).getContents();
if (cellinfo.isEmpty()) {
continue;
}
param.setStem(sheet.getCell(0, i).getContents());
j++;
param.setOptionA(sheet.getCell(1, i).getContents());
j++;
param.setOptionB(sheet.getCell(2, i).getContents());
j++;
param.setOptionC(sheet.getCell(3, i).getContents());
j++;
param.setOptionD(sheet.getCell(4, i).getContents());
j++;
if (sheet.getColumns() == 6) {
param.setAnswer(sheet.getCell(5, i).getContents());
j++;
outerList.add(param);
continue;
}
if (sheet.getColumns() == 7) {
param.setAnswer(sheet.getCell(5, i).getContents());
j++;
param.setOptionE(sheet.getCell(6, i).getContents());
j++;
outerList.add(param);
continue;
}
if (sheet.getColumns() == 8) {
param.setAnswer(sheet.getCell(5, i).getContents());
j++;
param.setOptionE(sheet.getCell(6, i).getContents());
j++;
param.setOptionF(sheet.getCell(7, i).getContents());
j++;
outerList.add(param);
continue;
}
}
}
return outerList;
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (BiffException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* 转化为pdf
* @throws JRException
* @throws IOException
*/
private void topdf() throws JRException, IOException {
Map<String, Object> parameters = new HashMap<String, Object>();
ReadExcel obj = new ReadExcel();
// 此处为我创建Excel路径：E:\\test.xls下
File file = new File("E:\\test.xls");
List<ExcelParam> excelList = obj.readExcel(file);
JRDataSource DataSource = new JRBeanCollectionDataSource(excelList);
//路径可以右键properties查看
String templatePath = "E:\\Workspace\\Test\\src\\com\\test\\TestExcel.jrxml";
JasperReport jasperReport = JasperCompileManager.compileReport(templatePath);
JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, parameters, DataSource);
// JasperExportManager.exportReportToPdfStream(jasperPrint, response.getOutputStream());
String desFilePath = "E:\\JasperPdfDemoTest.pdf";
// 通过JasperExportManager管理工具进行报表输出文档，此外设定为输出PDF文件
JasperExportManager.exportReportToPdfFile(jasperPrint, desFilePath);
}
}
创建一个实体类ExcelParam
private String stem;
private String optionA;
private String optionB;
private String optionC;
private String optionD;
private String optionE;
private String optionF;
private String answer;
TIBCO里面的文件的Source如下：不具有参考意义，仅为自己使用
<?xml version="1.0" encoding="UTF-8"?>
<!-- Created with Jaspersoft Studio version 6.2.2.final using JasperReports Library version 6.2.2 -->
<!-- 2019-10-12T11:24:06 -->
<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="TestExcel" pageWidth="842" pageHeight="595" orientation="Landscape" columnWidth="802" leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20" uuid="3f965e2d-7220-411b-90a9-e1fb26d2bb09">
<property name="com.jaspersoft.studio.unit." value="pixel"/>
<queryString>
<![CDATA[]]>
</queryString>
<field name="stem" class="java.lang.String"/>
<field name="optionA" class="java.lang.String"/>
<field name="optionB" class="java.lang.String"/>
<field name="optionC" class="java.lang.String"/>
<field name="optionD" class="java.lang.String"/>
<field name="optionE" class="java.lang.String"/>
<field name="optionF" class="java.lang.String"/>
<field name="answer" class="java.lang.String"/>
<background>
<band splitType="Stretch"/>
</background>
<pageHeader>
<band height="20">
<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
<staticText>
<reportElement x="600" y="0" width="100" height="20" uuid="c4c743a4-2fae-4bc0-9e6f-e05321992f26">
<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
</reportElement>
<text><![CDATA[Answer]]></text>
</staticText>
</band>
</pageHeader>
<detail>
<band height="140" splitType="Stretch">
<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
<textField isStretchWithOverflow="true" isBlankWhenNull="true">
<reportElement stretchType="RelativeToTallestObject" x="80" y="0" width="500" height="20" uuid="fd051570-ef11-48e3-98f1-c77f1e8d4c84">
<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
<property name="com.jaspersoft.studio.unit.width" value="pixel"/>
</reportElement>
<textElement>
<font fontName="Monospaced"/>
</textElement>
<textFieldExpression><![CDATA["题干： " + $F{stem}]]></textFieldExpression>
</textField>
<textField isStretchWithOverflow="true" isBlankWhenNull="true">
<reportElement stretchType="RelativeToTallestObject" x="80" y="20" width="500" height="20" uuid="d2750b9a-4e06-4819-bb88-a8a9eff89ec8">
<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
</reportElement>
<textElement>
<font fontName="Monospaced"/>
</textElement>
<textFieldExpression><![CDATA["A: " + $F{optionA}]]></textFieldExpression>
</textField>
<textField isStretchWithOverflow="true" isBlankWhenNull="true">
<reportElement stretchType="RelativeToTallestObject" x="80" y="40" width="500" height="20" uuid="08847f11-fa9f-4c71-81f1-2101a15af4c4"/>
<textElement>
<font fontName="Monospaced"/>
</textElement>
<textFieldExpression><![CDATA["B: " + $F{optionB}]]></textFieldExpression>
</textField>
<textField isStretchWithOverflow="true" isBlankWhenNull="true">
<reportElement stretchType="RelativeToTallestObject" x="80" y="60" width="500" height="20" uuid="6e0664c0-4ff4-4c15-8c7f-79d18bd5c5eb"/>
<textElement>
<font fontName="Monospaced"/>
</textElement>
<textFieldExpression><![CDATA["C: " + $F{optionC}]]></textFieldExpression>
</textField>
<textField isStretchWithOverflow="true" isBlankWhenNull="true">
<reportElement stretchType="RelativeToTallestObject" x="80" y="80" width="500" height="20" uuid="fe534a7c-3ae2-47fb-9963-4513cee1d9b8"/>
<textElement>
<font fontName="Monospaced"/>
</textElement>
<textFieldExpression><![CDATA["D:" + $F{optionD}]]></textFieldExpression>
</textField>
<textField isStretchWithOverflow="true" isBlankWhenNull="true">
<reportElement stretchType="RelativeToTallestObject" x="80" y="100" width="500" height="20" uuid="ff5ec0bc-1f54-444d-9b9f-9d4a370158c3"/>
<textElement>
<font fontName="Monospaced"/>
</textElement>
<textFieldExpression><![CDATA["E:" + $F{optionE}]]></textFieldExpression>
</textField>
<textField isStretchWithOverflow="true" isBlankWhenNull="true">
<reportElement stretchType="RelativeToTallestObject" x="80" y="120" width="500" height="20" uuid="4e7cbff4-87c4-49af-b440-d8c1be0ea3a0"/>
<textElement>
<font fontName="Monospaced"/>
</textElement>
<textFieldExpression><![CDATA["F:" + $F{optionF}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="600" y="0" width="100" height="20" uuid="09cd02ef-2959-4bc8-bbc3-18c1d5de9c44"/>
<textFieldExpression><![CDATA[$F{answer}]]></textFieldExpression>
</textField>
</band>
</detail>
<pageFooter>
<band height="15" splitType="Stretch">
<textField>
<reportElement x="680" y="0" width="60" height="15" uuid="ce57e4e3-a3b3-4c43-ae7b-e40de76a339a">
<property name="com.jaspersoft.studio.unit.height" value="pixel"/>
</reportElement>
<textElement textAlignment="Right"/>
<textFieldExpression><![CDATA[$V{PAGE_NUMBER}]]></textFieldExpression>
</textField>
<textField evaluationTime="Report">
<reportElement x="740" y="0" width="60" height="15" uuid="20a812df-5cd9-461c-ae26-193dbc1c1d4b"/>
<textElement textAlignment="Left"/>
<textFieldExpression><![CDATA[" /" + $V{PAGE_NUMBER}]]></textFieldExpression>
</textField>
</band>
</pageFooter>
</jasperReport>
标签：getContents,sheet,String,自定义,++,excel,param,getCell,pdf 来源： https://www.cnblogs.com/whtjyt/p/16317658.html