POI兼容读取Excel2003/Excel2007方法

记录使用POI操作Excel2003、2007格式文件方法。

Jar包引入

        
        <dependency>
            <groupId>org.apache.poigroupId>
            <artifactId>poiartifactId>
            <version>${poi.version}version>
        dependency>
        <dependency>
            <groupId>org.apache.poigroupId>
            <artifactId>poi-ooxmlartifactId>
            <version>${poi.version}version>
        dependency>
        <dependency>
            <groupId>org.apache.poigroupId>
            <artifactId>poi-ooxml-schemasartifactId>
            <version>${poi.version}version>
        dependency>

源代码

public class ExcelUtil {

    /**
     * 写Xls格式Excel文件
     * 
     * @param path
     * @throws Exception
     */
    public static void printXls(String path) throws Exception {
        try {
            // 创建输出流
            FileOutputStream out = new FileOutputStream(path);
            // 创建Workbook
            HSSFWorkbook wb = new HSSFWorkbook();
            // 创建Sheet
            HSSFSheet sheet = wb.createSheet();

            // start 内容写入
            HSSFRow row = sheet.createRow(0); // 指定列号
            HSSFCell cell = row.createCell(0); // 指定行号
            HSSFRichTextString richText = new HSSFRichTextString("中文字体测试");
            cell.setCellValue(richText);
            // 指定行号
            HSSFCell enCell = row.createCell(3);
            enCell.setCellValue(new HSSFRichTextString("English font test"));
            // 设置列的宽度
            sheet.setColumnWidth(2, 4000);
            sheet.setColumnWidth(3, 4000);
            // end 内容写入

            // 创建PrintSetup
            HSSFPrintSetup printSetup = sheet.getPrintSetup();
            // A4纸
            printSetup.setPaperSize(PrintSetup.A4_PAPERSIZE);
            wb.write(out);
            out.close();
        } catch (Exception e) {
            throw e;
        }
    }

    /**
     * 写Xlsx格式Excel文件
     * 
     * @param path
     * @throws Exception
     */
    public static void printXlsx(String path) throws Exception {
        try {
            // 创建输出流
            FileOutputStream out = new FileOutputStream(path);
            // 创建Workbook
            XSSFWorkbook wb = new XSSFWorkbook();
            // 创建Sheet
            XSSFSheet sheet = wb.createSheet();

            // start 内容写入
            XSSFRow row = sheet.createRow(0); // 指定列号
            XSSFCell cell = row.createCell(0); // 指定行号
            XSSFRichTextString richText = new XSSFRichTextString("中文字体测试");
            cell.setCellValue(richText);
            // 指定行号
            XSSFCell enCell = row.createCell(3);
            enCell.setCellValue(new XSSFRichTextString("English font test"));
            // 设置列的宽度
            sheet.setColumnWidth(2, 4000);
            sheet.setColumnWidth(3, 4000);
            // end 内容写入

            // 创建PrintSetup
            XSSFPrintSetup printSetup = sheet.getPrintSetup();
            // A4纸
            printSetup.setPaperSize(PrintSetup.A4_PAPERSIZE);
            wb.write(out);
            out.close();
        } catch (Exception e) {
            throw e;
        }
    }

    /***
     * 打印Xls格式文件
     * 
     * @param path
     * @throws Exception
     */
    public static void writeXls(String path) throws Exception {
        HSSFCell cell = null;
        HSSFCellStyle cellstyle = null;
        // 创建一个输出流
        OutputStream os = new FileOutputStream(path);
        // 创建一个工作簿
        HSSFWorkbook work = new HSSFWorkbook();
        // 创建一个工作表
        HSSFSheet sheet = work.createSheet("sheet1");

        // 创建行(第一行从0开始)
        HSSFRow row = sheet.createRow(0);
        // 创建单元格(第一列从0开始)
        row.createCell(0).setCellValue("第一个单元格");
        row.createCell(1).setCellValue("第二个单元格");
        row.createCell(2).setCellValue(new Date());

        // start 列号为3内容
        // 通过workbook创建一个新的单元格风格(cell style)是很重要的
        cellstyle = work.createCellStyle();
        cellstyle.setDataFormat(HSSFDataFormat.getBuiltinFormat("m/d/yy h:mm"));
        cell = row.createCell(3);
        cell.setCellValue(new Date());
        cell.setCellStyle(cellstyle);
        cellstyle = work.createCellStyle();
        // end 列号为3内容

        // start 列号为4内容
        cell = row.createCell(4);
        HSSFFont cnFont = work.createFont(); // 创建字体
        cnFont.setFontHeightInPoints((short) 10); // 设置字体大小
        cnFont.setBoldweight(Font.BOLDWEIGHT_BOLD); // 粗体显示
        cnFont.setFontName("仿宋_GB2312"); // 字体名称
        cellstyle.setFont(cnFont);
        cell.setCellValue("李宁一切皆有可能!");
        cell.setCellStyle(cellstyle);
        // end 列号为4内容

        // 创建工作表
        HSSFSheet sh2 = work.createSheet("sheet2");
        HSSFRow row2 = sh2.createRow((short) 0);

        cell = row2.createCell(0);
        cellstyle = work.createCellStyle();
        cellstyle.setAlignment(CellStyle.ALIGN_RIGHT);
        cell.setCellStyle(cellstyle);
        cell.setCellValue("工作表二,第一列数据");

        cellstyle = work.createCellStyle();
        cellstyle.setAlignment(CellStyle.ALIGN_FILL);
        cell = row2.createCell(1);
        cell.setCellStyle(cellstyle);
        cell.setCellValue("==");
        // 合并单元格1至5
        sh2.addMergedRegion(new CellRangeAddress(0, 0, 1, 5));

        // 创建一个工作表
        HSSFSheet sh3 = work.createSheet("sheet3");
        HSSFPrintSetup ps = sh3.getPrintSetup();

        sh3.setAutobreaks(true);
        sh3.setSelected(true);

        ps.setFitHeight((short) 1);
        ps.setFitWidth((short) 1);
        HSSFRow row3 = sh3.createRow(1);

        // 列号为1
        cell = row3.createCell(1);
        // 设置样式
        cellstyle = work.createCellStyle();
        cellstyle.setBorderBottom(CellStyle.BORDER_THIN);
        cellstyle.setBottomBorderColor(HSSFColor.BLACK.index);
        cellstyle.setBorderLeft(CellStyle.BORDER_THIN);
        cellstyle.setLeftBorderColor(HSSFColor.GREEN.index);
        cellstyle.setBorderRight(CellStyle.BORDER_THIN);
        cellstyle.setRightBorderColor(HSSFColor.BLUE.index);
        cellstyle.setBorderTop(CellStyle.BORDER_THIN);
        cellstyle.setTopBorderColor(HSSFColor.BLACK.index);
        cellstyle.setAlignment(CellStyle.ALIGN_FILL);
        // 加入样式
        cell.setCellStyle(cellstyle);

        // 列号为2
        HSSFRow row4 = sh3.createRow(2);
        cell = row4.createCell(2);
        cell.setCellValue("Use \n with word wrap on to create a new line");
        // 要启用新行,需要使用wrap=true设置单元格样式。
        cellstyle = work.createCellStyle();
        cellstyle.setWrapText(true);
        cell.setCellStyle(cellstyle);
        // 设置高度
        row4.setHeightInPoints((2 * sh3.getDefaultRowHeightInPoints()));
        sh3.autoSizeColumn((short) 2);

        // 循环写入数据
        for (int i = 1; i < 11; i++) {
            HSSFRow row5 = sh2.createRow(i);
            cell = row5.createCell(0);
            cellstyle = work.createCellStyle();
            HSSFFont font = work.createFont();
            font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
            cellstyle.setFont(font);
            cell.setCellStyle(cellstyle);
            cell.setCellValue("测试");
        }
        cellstyle = work.createCellStyle();
        HSSFFont font = work.createFont();
        font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
        cellstyle.setFont(font);
        for (int i = 1; i < 21; i++) {
            HSSFRow row5 = sheet.createRow(i);
            cell = row5.createCell(0);
            cell.setCellStyle(cellstyle);
            cell.setCellValue("开始");
        }

        work.write(os);
        os.close();
    }

    /***
     * 打印Xls格式文件
     * 
     * @param path
     * @throws Exception
     */
    public static void writeXlsx(String path) throws Exception {
        XSSFCell cell = null;
        XSSFCellStyle cellstyle = null;
        // 创建一个输出流
        OutputStream os = new FileOutputStream(path);
        // 创建一个工作簿
        XSSFWorkbook work = new XSSFWorkbook();
        // 创建一个工作表
        XSSFSheet sheet = work.createSheet("sheet1");

        // 创建行(第一行从0开始)
        XSSFRow row = sheet.createRow(0);
        // 创建单元格(第一列从0开始)
        row.createCell(0).setCellValue("第一个单元格");
        row.createCell(1).setCellValue("第二个单元格");
        row.createCell(2).setCellValue(new Date());

        // start 列号为3内容
        // 通过workbook创建一个新的单元格风格(cell style)是很重要的
        cellstyle = work.createCellStyle();
        cellstyle.setDataFormat(HSSFDataFormat.getBuiltinFormat("m/d/yy h:mm"));
        cell = row.createCell(3);
        cell.setCellValue(new Date());
        cell.setCellStyle(cellstyle);
        cellstyle = work.createCellStyle();
        // end 列号为3内容

        // start 列号为4内容
        cell = row.createCell(4);
        XSSFFont cnFont = work.createFont(); // 创建字体
        cnFont.setFontHeightInPoints((short) 10); // 设置字体大小
        cnFont.setBoldweight(Font.BOLDWEIGHT_BOLD); // 粗体显示
        cnFont.setFontName("仿宋_GB2312"); // 字体名称
        cellstyle.setFont(cnFont);
        cell.setCellValue("李宁一切皆有可能!");
        cell.setCellStyle(cellstyle);
        // end 列号为4内容

        // 创建工作表
        XSSFSheet sh2 = work.createSheet("sheet2");
        XSSFRow row2 = sh2.createRow((short) 0);

        cell = row2.createCell(0);
        cellstyle = work.createCellStyle();
        cellstyle.setAlignment(CellStyle.ALIGN_RIGHT);
        cell.setCellStyle(cellstyle);
        cell.setCellValue("工作表二,第一列数据");

        cellstyle = work.createCellStyle();
        cellstyle.setAlignment(CellStyle.ALIGN_FILL);
        cell = row2.createCell(1);
        cell.setCellStyle(cellstyle);
        cell.setCellValue("==");
        // 合并单元格1至5
        sh2.addMergedRegion(new CellRangeAddress(0, 0, 1, 5));

        // 创建一个工作表
        XSSFSheet sh3 = work.createSheet("sheet3");
        XSSFPrintSetup ps = sh3.getPrintSetup();

        sh3.setAutobreaks(true);
        sh3.setSelected(true);

        ps.setFitHeight((short) 1);
        ps.setFitWidth((short) 1);
        XSSFRow row3 = sh3.createRow(1);

        // 列号为1
        cell = row3.createCell(1);
        // 设置样式
        cellstyle = work.createCellStyle();
        cellstyle.setBorderBottom(CellStyle.BORDER_THIN);
        cellstyle.setBottomBorderColor(HSSFColor.BLACK.index);
        cellstyle.setBorderLeft(CellStyle.BORDER_THIN);
        cellstyle.setLeftBorderColor(HSSFColor.GREEN.index);
        cellstyle.setBorderRight(CellStyle.BORDER_THIN);
        cellstyle.setRightBorderColor(HSSFColor.BLUE.index);
        cellstyle.setBorderTop(CellStyle.BORDER_THIN);
        cellstyle.setTopBorderColor(HSSFColor.BLACK.index);
        cellstyle.setAlignment(CellStyle.ALIGN_FILL);
        // 加入样式
        cell.setCellStyle(cellstyle);

        // 列号为2
        XSSFRow row4 = sh3.createRow(2);
        cell = row4.createCell(2);
        cell.setCellValue("Use \n with word wrap on to create a new line");
        // 要启用新行,需要使用wrap=true设置单元格样式。
        cellstyle = work.createCellStyle();
        cellstyle.setWrapText(true);
        cell.setCellStyle(cellstyle);
        // 设置高度
        row4.setHeightInPoints((2 * sh3.getDefaultRowHeightInPoints()));
        sh3.autoSizeColumn((short) 2);

        // 循环写入数据
        for (int i = 1; i < 11; i++) {
            XSSFRow row5 = sh2.createRow(i);
            cell = row5.createCell(0);
            cellstyle = work.createCellStyle();
            XSSFFont font = work.createFont();
            font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
            cellstyle.setFont(font);
            cell.setCellStyle(cellstyle);
            cell.setCellValue("测试");
        }
        cellstyle = work.createCellStyle();
        XSSFFont font = work.createFont();
        font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
        cellstyle.setFont(font);
        for (int i = 1; i < 21; i++) {
            XSSFRow row5 = sheet.createRow(i);
            cell = row5.createCell(0);
            cell.setCellStyle(cellstyle);
            cell.setCellValue("开始");
        }
        work.write(os);
        os.close();
    }

    /**
     * 读取Xls格式的Excel文档
     * 
     * @param path
     * @return List
     */
    public static List readXls(String path) throws Exception {
        // 创建输入流
        InputStream inp = new FileInputStream(path);
        HSSFWorkbook workBook = new HSSFWorkbook(inp);
        // 获得Excel中工作表个数
        List list = new ArrayList();
        int sheetCount = workBook.getNumberOfSheets();
        System.out.println(sheetCount);
        for (int i = 0; i < sheetCount; i++) {
            String shname = workBook.getSheetName(i);// 工作表的名称
            HSSFSheet sheet = workBook.getSheetAt(i);// 获取工作表
            int rows = sheet.getPhysicalNumberOfRows(); // 获得行数
            System.out.println(rows);
            if (rows > 0) {
                for (int j = 0; j < rows; j++) {
                    HSSFRow row = sheet.getRow(j); // 取得当前行
                    if (row != null) {
                        int cells = row.getLastCellNum(); // 获取当前行列数
                        for (int k = 0; k < cells; k++) {
                            /** 获取当前列(就是一个单元格) */
                            HSSFCell cell = row.getCell(k);
                            if (cell != null) {
                                if (cell.getCellType() == Cell.CELL_TYPE_STRING) {
                                    String content = cell.getStringCellValue();
                                    if (StringUtils.isNotEmpty(content)) {
                                        // System.out.println("内容:"+content);
                                        list.add(content);
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        return list;
    }

    /**
     * 读取Xlsx格式的Excel文档
     * 
     * @param path
     * @return List
     */
    public static List readXlsx(String path) throws Exception {
        // 创建输入流
        InputStream inp = new FileInputStream(path);
        XSSFWorkbook workBook = new XSSFWorkbook(inp);
        // 获得Excel中工作表个数
        List list = new ArrayList();
        int sheetCount = workBook.getNumberOfSheets();
        System.out.println(sheetCount);
        for (int i = 0; i < sheetCount; i++) {
            String shname = workBook.getSheetName(i);// 工作表的名称
            XSSFSheet sheet = workBook.getSheetAt(i);// 获取工作表
            int rows = sheet.getPhysicalNumberOfRows(); // 获得行数
            System.out.println(rows);
            if (rows > 0) {
                for (int j = 0; j < rows; j++) {
                    XSSFRow row = sheet.getRow(j); // 取得当前行
                    if (row != null) {
                        int cells = row.getLastCellNum(); // 获取当前行列数
                        for (int k = 0; k < cells; k++) {
                            /** 获取当前列(就是一个单元格) */
                            XSSFCell cell = row.getCell(k);
                            if (cell != null) {
                                if (cell.getCellType() == Cell.CELL_TYPE_STRING) {
                                    String content = cell.getStringCellValue();
                                    if (StringUtils.isNotEmpty(content)) {
                                        // System.out.println("内容:"+content);
                                        list.add(content);
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
        return list;
    }

    /**
     * @param args
     */
    public static void main(String[] args) {

        // 读取测试
        try {
            List list = ExcelUtil.readXlsx("/Users/xianglingchuan/Downloads/test(1).xlsx");
            for (String string : list) {
                System.out.println(string);
            }
            list = ExcelUtil.readXls("/Users/xianglingchuan/Downloads/readxls.xls");
            for (String string : list) {
                System.out.println(string);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

        // 输出测试
        try {
            //ExcelUtil.printXls("/Users/xianglingchuan/Downloads/test_print.xls");
            //ExcelUtil.printXlsx("/Users/xianglingchuan/Downloads/test_print.xlsx");
        } catch (Exception e) {
            e.printStackTrace();
        }
        try {
            //ExcelUtil.writeXls("/Users/xianglingchuan/Downloads/test_write.xls");
            //ExcelUtil.printXlsx("/Users/xianglingchuan/Downloads/test_print.xlsx");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}

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