Java XSSFReader类代码示例

import org.apache.poi.xssf.eventusermodel.XSSFReader; //导入依赖的package包/类
/**
 * 遍历工作簿中所有的电子表格
 * 
 * @param filename
 * @throws Exception
 */
public void process(String filename) throws Exception {
	OPCPackage pkg = OPCPackage.open(filename);
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();
	XMLReader parser = fetchSheetParser(sst);
	Iterator<InputStream> sheets = r.getSheetsData();
	while (sheets.hasNext()) {
		curRow = 0;
		sheetIndex++;
		InputStream sheet = sheets.next();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse(sheetSource);
		sheet.close();
	}
}
 

import org.apache.poi.xssf.eventusermodel.XSSFReader; //导入依赖的package包/类
/**
 * 遍历工作簿中所有的电子表格
 * 
 * @param filename
 * @throws Exception
 */
public void process(InputStream stream) throws Exception {
	OPCPackage pkg = OPCPackage.open(stream);
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();
	XMLReader parser = fetchSheetParser(sst);
	Iterator<InputStream> sheets = r.getSheetsData();
	while (sheets.hasNext()) {
		curRow = 0;
		sheetIndex++;
		InputStream sheet = sheets.next();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse(sheetSource);
		sheet.close();
	}
}
 

import org.apache.poi.xssf.eventusermodel.XSSFReader; //导入依赖的package包/类
@Override
@SuppressWarnings("unchecked")
public <T> List<T> unmarshal(Class<T> type) {
    try (OPCPackage open = OPCPackage.open(poijiFile.file())) {

        ReadOnlySharedStringsTable readOnlySharedStringsTable = new ReadOnlySharedStringsTable(open);
        XSSFReader xssfReader = new XSSFReader(open);
        StylesTable styles = xssfReader.getStylesTable();

        SheetIterator iter = (SheetIterator) xssfReader.getSheetsData();
        int index = 0;

        while (iter.hasNext()) {
            try (InputStream stream = iter.next()) {
                if (index == options.sheetIndex()) {
                    return processSheet(styles, readOnlySharedStringsTable, type, stream);
                }
            }
            ++index;
        }
        return new ArrayList<>();
    } catch (SAXException | IOException | OpenXML4JException e) {
        throw new PoijiException("Problem occurred while reading data", e);
    }
}
 

import org.apache.poi.xssf.eventusermodel.XSSFReader; //导入依赖的package包/类
/**
 * 遍历工作簿中所有的电子表格
 * 
 * @param filename string
 * @throws Exception  if an error occurred
 */
public void process(String filename) throws Exception {
	OPCPackage pkg = OPCPackage.open(filename);
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();
	XMLReader parser = fetchSheetParser(sst);
	Iterator<InputStream> sheets = r.getSheetsData();
	while (sheets.hasNext()) {
		curRow = 0;
		sheetIndex++;
		InputStream sheet = sheets.next();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse(sheetSource);
		sheet.close();
	}
}
 

import org.apache.poi.xssf.eventusermodel.XSSFReader; //导入依赖的package包/类
private void processAll(OPCPackage pkg)
		throws IOException, OpenXML4JException, InvalidFormatException, SAXException {
	XSSFReader xssfReader = new XSSFReader(pkg);
	mStylesTable = xssfReader.getStylesTable();
	SharedStringsTable sst = xssfReader.getSharedStringsTable();
	XMLReader parser = this.fetchSheetParser(sst);
	Iterator<InputStream> sheets = xssfReader.getSheetsData();
	while (sheets.hasNext()) {
		mCurrentRowIndex = 0;
		mSheetIndex++;
		InputStream sheet = sheets.next();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse(sheetSource);
		sheet.close();
	}
	pkg.close();
}
 

import org.apache.poi.xssf.eventusermodel.XSSFReader; //导入依赖的package包/类
private void processBySheet(int sheetIndex, OPCPackage pkg)
		throws IOException, OpenXML4JException, InvalidFormatException, SAXException {
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();

	XMLReader parser = fetchSheetParser(sst);

	// rId2 found by processing the Workbook
	// 根据 rId# 或 rSheet# 查找sheet
	InputStream sheet = r.getSheet("rId" + (sheetIndex + 1));
	mSheetIndex++;
	InputSource sheetSource = new InputSource(sheet);
	parser.parse(sheetSource);
	sheet.close();
	pkg.close();
}
 

import org.apache.poi.xssf.eventusermodel.XSSFReader; //导入依赖的package包/类
/**
 * Initiates the processing of the XLS workbook file to CSV.
 *
 * @throws IOException
 * @throws OpenXML4JException
 * @throws ParserConfigurationException
 * @throws SAXException
 */
public List<String> process() throws IOException, OpenXML4JException, ParserConfigurationException, SAXException {
    ReadOnlySharedStringsTable strings = new ReadOnlySharedStringsTable(this.xlsxPackage);
    XSSFReader xssfReader = new XSSFReader(this.xlsxPackage);
    StylesTable styles = xssfReader.getStylesTable();
    XSSFReader.SheetIterator iter = (XSSFReader.SheetIterator) xssfReader.getSheetsData();
    int index = 0;
    while (iter.hasNext()) {
        if (blankRowNum == 10) { break; }
        InputStream stream = iter.next();
        String sheetName = iter.getSheetName();
        results.add(ExcelValidator.SHEET_NAME_PREFIX + sheetName);
        processSheet(styles, strings, new SheetToCSV(), stream);
        stream.close();
        ++index;
    }

    return results;
}
 

import org.apache.poi.xssf.eventusermodel.XSSFReader; //导入依赖的package包/类
public void execute(InputStream inputStream, IParseExcelRowMapper parseExcelRowMapper) throws Exception {
	OPCPackage pkg = OPCPackage.open(inputStream);
	XSSFReader xssfReader = new XSSFReader(pkg);
	sst = xssfReader.getSharedStringsTable();
	stylesTable = xssfReader.getStylesTable();

	SAXParserFactory saxFactory = SAXParserFactory.newInstance();
	SAXParser saxParser = saxFactory.newSAXParser();
	XMLReader parser = saxParser.getXMLReader();
	parser.setContentHandler(new XSSFParserHandler());

	this.parseExcelRowMapper = parseExcelRowMapper;

	XSSFReader.SheetIterator iter = (XSSFReader.SheetIterator) xssfReader.getSheetsData();
	while (iter.hasNext()) {
		curRow = 0;
		sheetIndex++;
		InputStream sheet = iter.next();
		sheetName = iter.getSheetName();
		InputSource sheetSource = new InputSource(sheet);
		parser.parse(sheetSource);
		sheet.close();
	}

}
 

import org.apache.poi.xssf.eventusermodel.XSSFReader; //导入依赖的package包/类
public LowMemXlsReader( InputStream stream ) throws IOException {
	log.debug( "reading with lo-mem xls reader" );
	sharedStrings = new ArrayList<>();
	try {
		pkg = OPCPackage.open( stream );
		reader = new XSSFReader( pkg );

		styles = reader.getStylesTable();

		sheetNameIdLkp = readSheetInfo( reader );
		populateSharedStrings( reader );
	}
	catch ( OpenXML4JException e ) {
		throw new IOException( "unexpected error" + e.getLocalizedMessage(), e );
	}
}
 

import org.apache.poi.xssf.eventusermodel.XSSFReader; //导入依赖的package包/类
private <T> List<T> readExcel(OPCPackage opcPackage, Class<?> pojoClass, ImportParams params,
                              ISaxRowRead rowRead, IExcelReadRowHanlder hanlder) {
    try {
        XSSFReader xssfReader = new XSSFReader(opcPackage);
        SharedStringsTable sst = xssfReader.getSharedStringsTable();
        if (rowRead == null) {
            rowRead = new SaxRowRead(pojoClass, params, hanlder);
        }
        XMLReader parser = fetchSheetParser(sst, rowRead);
        Iterator<InputStream> sheets = xssfReader.getSheetsData();
        int sheetIndex = 0;
        while (sheets.hasNext() && sheetIndex < params.getSheetNum()) {
            sheetIndex++;
            InputStream sheet = sheets.next();
            InputSource sheetSource = new InputSource(sheet);
            parser.parse(sheetSource);
            sheet.close();
        }
        return rowRead.getList();
    } catch (Exception e) {
        LOGGER.error(e.getMessage(), e);
        throw new ExcelImportException("SAX导入数据失败");
    }
}
 

import org.apache.poi.xssf.eventusermodel.XSSFReader; //导入依赖的package包/类
/**
 * Initiates the processing of the XLS workbook file to CSV.
 *
 * @throws IOException
 * @throws OpenXML4JException
 * @throws ParserConfigurationException
 * @throws SAXException
 */
public List<String> process() throws IOException, OpenXML4JException, ParserConfigurationException, SAXException {
	ReadOnlySharedStringsTable strings = new ReadOnlySharedStringsTable(this.xlsxPackage);
	XSSFReader xssfReader = new XSSFReader(this.xlsxPackage);
	StylesTable styles = xssfReader.getStylesTable();
	XSSFReader.SheetIterator iter = (XSSFReader.SheetIterator) xssfReader.getSheetsData();
	int index = 0;
	while (iter.hasNext()) {
		if(blankRowNum == 10)break;
		InputStream stream = iter.next();
		String sheetName = iter.getSheetName();
		results.add(ExcelValidator.SHEET_NAME_PREFIX + sheetName);
		processSheet(styles, strings, new SheetToCSV(), stream);
		stream.close();
		++index;
	}

	return results;
}
 

import org.apache.poi.xssf.eventusermodel.XSSFReader; //导入依赖的package包/类
@Override
public void streamSheetByName(String sheetName) throws IOException, SAXException, OpenXML4JException, ParserConfigurationException, SheetNotFoundException {
    if (sheetName == null) {
        throw new IllegalArgumentException("SheetName can't be null!");
    } else if (sheetName.isEmpty()) {
        throw new IllegalArgumentException("SheetName can't be empty!");
    }
    XSSFReader streamer = new XSSFReader(pack);
    SheetIterator sheetIterator = (SheetIterator) streamer.getSheetsData();

    int sheetNumber = 0;
    InputStream stream;

    while (sheetIterator.hasNext()) {
        stream = sheetIterator.next();
        if (sheetIterator.getSheetName().contentEquals(sheetName)) {
            dataCallback.onBegin();
            streamSheet(streamer, stream, sheetNumber);
            dataCallback.onEnd();
            return;
        }
        sheetNumber++;
    }
    throw new SheetNotFoundException(sheetName);
}
 

import org.apache.poi.xssf.eventusermodel.XSSFReader; //导入依赖的package包/类
@Override
public void streamSheetByIndex(int index) throws IOException, SAXException, OpenXML4JException, ParserConfigurationException, SheetNotFoundException {
    if (index < 0) {
        throw new IllegalArgumentException("Index must be higher than -1!");
    }

    XSSFReader streamer = new XSSFReader(pack);
    SheetIterator sheetIterator = (SheetIterator) streamer.getSheetsData();
    int sheetNumber = 0;
    InputStream stream;

    while (sheetIterator.hasNext()) {
        stream = sheetIterator.next();

        if (sheetNumber == index) {
            dataCallback.onBegin();
            streamSheet(streamer, stream, sheetNumber);
            dataCallback.onEnd();
            return;
        }
        sheetNumber++;
    }

    throw new SheetNotFoundException(index);
}
 

import org.apache.poi.xssf.eventusermodel.XSSFReader; //导入依赖的package包/类
/**
 * Fetch the index of the sheet by its name.
 *
 * @param sheetName
 * @return The sheet index, -1 otherwise
 * @throws IOException
 * @throws SAXException
 * @throws OpenXML4JException
 */
public int getSheetIndexBySheetName(String sheetName) throws IOException, SAXException, OpenXML4JException {
    if (sheetName == null) {
        throw new IllegalArgumentException("SheetName can't be null!");
    } else if (sheetName.isEmpty()) {
        throw new IllegalArgumentException("SheetName can't be empty!");
    }
    int index = 0;
    XSSFReader streamer = new XSSFReader(pack);
    SheetIterator sheetIterator = (SheetIterator) streamer.getSheetsData();

    while (sheetIterator.hasNext()) {
        sheetIterator.next();
        if (sheetIterator.getSheetName().contentEquals(sheetName)) {
            return index;
        }
        index++;
    }

    return -1;
}
 

import org.apache.poi.xssf.eventusermodel.XSSFReader; //导入依赖的package包/类
public void processOneSheet(String filename, int sheetId) throws Exception {
	OPCPackage pkg = OPCPackage.open(filename);
	XSSFReader r = new XSSFReader(pkg);
	SharedStringsTable sst = r.getSharedStringsTable();

	XMLReader parser = fetchSheetParser(sst);

	// rId2 found by processing the Workbook
	// 根据 rId# 或 rSheet# 查找sheet
	InputStream sheet2 = r.getSheet("rId" + sheetId);
	sheetIndex++;
	InputSource sheetSource = new InputSource(sheet2);
	parser.parse(sheetSource);
	sheet2.close();
	pkg.close();
}