Example usage for org.apache.poi.xssf.usermodel XSSFCellStyle setFont

List of usage examples for org.apache.poi.xssf.usermodel XSSFCellStyle setFont

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Introduction

In this page you can find the example usage for org.apache.poi.xssf.usermodel XSSFCellStyle setFont.

Prototype

@Override
public void setFont(Font font)

Source Link

Document

Set the font for this style

Usage

From source file:ch.admin.isb.hermes5.business.userszenario.projektstrukturplan.ProjektstrukturplanGeneratorExcel.java

License:Apache License

private XSSFCellStyle getDefaultStyle(XSSFWorkbook wb) {
    XSSFCellStyle cellStyle = wb.createCellStyle();
    XSSFFont font = wb.createFont();//from  w ww  .  j av  a  2s  . c om
    font.setFontHeight(10);
    font.setFontName(fontName.getStringValue());
    cellStyle.setFont(font);
    return cellStyle;
}

From source file:ch.admin.isb.hermes5.business.userszenario.projektstrukturplan.ProjektstrukturplanGeneratorExcel.java

License:Apache License

private XSSFCellStyle getHeaderStyle(XSSFWorkbook wb) {
    XSSFCellStyle cellStyle = wb.createCellStyle();
    cellStyle.setFillForegroundColor(new XSSFColor(new Color(184, 204, 228)));
    cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
    XSSFFont headerFont = wb.createFont();
    headerFont.setFontHeight(12);// w ww .  j av a 2s . c  o m
    headerFont.setFontName(fontName.getStringValue());
    cellStyle.setFont(headerFont);
    return cellStyle;
}

From source file:com.accounting.accountMBean.DifferentAccReports.java

public void simplePostProcessXLSX(Object document) {
    String startDateString = FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap()
            .get("nepaliDate4");
    String endDateString = FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap()
            .get("nepaliDate5");
    XSSFWorkbook wb = (XSSFWorkbook) document;
    XSSFCellStyle headerCellStyle = wb.createCellStyle();
    XSSFCellStyle headerCellStyle1 = wb.createCellStyle();
    XSSFCellStyle headerCellStyle2 = wb.createCellStyle();

    Font headerFont = wb.createFont();
    headerFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
    headerFont.setFontName(HSSFFont.FONT_ARIAL);
    headerCellStyle.setFont(headerFont);
    headerCellStyle.setAlignment(CellStyle.ALIGN_CENTER);

    Font headerFont1 = wb.createFont();
    headerFont1.setBoldweight(Font.U_SINGLE_ACCOUNTING);
    headerFont1.setFontName(HSSFFont.FONT_ARIAL);
    headerCellStyle1.setFont(headerFont);
    headerCellStyle1.setAlignment(CellStyle.ALIGN_RIGHT);

    Font headerFont3 = wb.createFont();
    headerFont3.setBoldweight(Font.U_SINGLE);
    headerFont3.setFontName(HSSFFont.FONT_ARIAL);
    headerCellStyle2.setFont(headerFont1);
    headerCellStyle2.setAlignment(CellStyle.ALIGN_RIGHT);

    XSSFSheet sheet = wb.getSheetAt(0);/*from  w  w w.  ja  v  a 2 s  .  c  o  m*/
    int noOfColumns = sheet.getRow(2).getLastCellNum();
    for (int i = 0; i < noOfColumns; i++) {
        sheet.autoSizeColumn(i);
    }
    sheet.shiftRows(0, sheet.getLastRowNum(), 4);

    XSSFRow firstRow = sheet.createRow(1);
    firstRow.createCell(0).setCellValue("SALES AGEING REPORT");
    firstRow.getCell(0).setCellStyle(headerCellStyle);

    XSSFRow secondRow = sheet.createRow(0);
    secondRow.createCell(0).setCellValue(getLoggedInOffice().getName());
    secondRow.getCell(0).setCellStyle(headerCellStyle);
    //
    XSSFRow thirdRow = sheet.createRow(3);
    String date = ndc.convertToNepaliDate(new Date());
    SimpleDateFormat sdf = new SimpleDateFormat("hh:mm:ss a");
    String time = sdf.format(new Date());
    thirdRow.createCell(0)
            .setCellValue("Generated on:" + date + " " + time + " by:" + getLoggedInUser().getName());
    thirdRow.getCell(0).setCellStyle(headerCellStyle2);

    XSSFRow fourthRow = sheet.createRow(2);
    fourthRow.createCell(0).setCellValue("FROM: " + startDateString + " TO: " + endDateString);
    fourthRow.getCell(0).setCellStyle(headerCellStyle);

    sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, 7));
    sheet.addMergedRegion(new CellRangeAddress(1, 1, 0, 7));
    sheet.addMergedRegion(new CellRangeAddress(2, 2, 0, 7));
    sheet.addMergedRegion(new CellRangeAddress(3, 3, 0, 7));
}

From source file:com.accounting.reportMBean.ReportCommonBean.java

public void simplePostProcessXLSXOfStock(Object document) {
    String startDateString = FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap()
            .get("nepaliDate4");
    String endDateString = FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap()
            .get("nepaliDate1");
    XSSFWorkbook wb = (XSSFWorkbook) document;
    XSSFCellStyle headerCellStyle = wb.createCellStyle();
    XSSFCellStyle headerCellStyle1 = wb.createCellStyle();
    XSSFCellStyle headerCellStyle2 = wb.createCellStyle();

    Font headerFont = wb.createFont();
    headerFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
    headerFont.setFontName(HSSFFont.FONT_ARIAL);
    headerCellStyle.setFont(headerFont);
    headerCellStyle.setAlignment(CellStyle.ALIGN_CENTER);

    Font headerFont1 = wb.createFont();
    headerFont1.setBoldweight(Font.U_SINGLE_ACCOUNTING);
    headerFont1.setFontName(HSSFFont.FONT_ARIAL);
    headerCellStyle1.setFont(headerFont);
    headerCellStyle1.setAlignment(CellStyle.ALIGN_RIGHT);

    Font headerFont3 = wb.createFont();
    headerFont3.setBoldweight(Font.U_SINGLE);
    headerFont3.setFontName(HSSFFont.FONT_ARIAL);
    headerCellStyle2.setFont(headerFont1);
    headerCellStyle2.setAlignment(CellStyle.ALIGN_RIGHT);

    XSSFSheet sheet = wb.getSheetAt(0);// ww w .  ja va  2  s .co  m
    int noOfColumns = sheet.getRow(2).getLastCellNum();
    for (int i = 0; i < noOfColumns; i++) {
        sheet.autoSizeColumn(i);
    }
    sheet.shiftRows(0, sheet.getLastRowNum(), 4);

    XSSFRow firstRow = sheet.createRow(1);
    firstRow.createCell(0).setCellValue("STOCK VALUE WITH VALUES");
    firstRow.getCell(0).setCellStyle(headerCellStyle);

    XSSFRow secondRow = sheet.createRow(0);
    secondRow.createCell(0).setCellValue(getLoggedInOffice().getName());
    secondRow.getCell(0).setCellStyle(headerCellStyle);
    //
    XSSFRow thirdRow = sheet.createRow(3);
    String date = ndc.convertToNepaliDate(new Date());
    SimpleDateFormat sdf = new SimpleDateFormat("hh:mm:ss a");
    String time = sdf.format(new Date());
    thirdRow.createCell(0)
            .setCellValue("Generated on:" + date + " " + time + " by:" + getLoggedInUser().getName());
    thirdRow.getCell(0).setCellStyle(headerCellStyle2);

    XSSFRow fourthRow = sheet.createRow(2);
    fourthRow.createCell(0).setCellValue("FROM: " + startDateString + " TO: " + endDateString);
    fourthRow.getCell(0).setCellStyle(headerCellStyle);

    sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, 7));
    sheet.addMergedRegion(new CellRangeAddress(1, 1, 0, 7));
    sheet.addMergedRegion(new CellRangeAddress(2, 2, 0, 7));
    sheet.addMergedRegion(new CellRangeAddress(3, 3, 0, 7));
}

From source file:com.accounting.reportMBean.ReportCommonBean.java

public void simplePostProcessXLSX(Object document) {
    String startDateString = FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap()
            .get("nepaliDate4");
    String endDateString = FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap()
            .get("nepaliDate1");
    XSSFWorkbook wb = (XSSFWorkbook) document;
    XSSFCellStyle headerCellStyle = wb.createCellStyle();
    XSSFCellStyle headerCellStyle1 = wb.createCellStyle();
    XSSFCellStyle headerCellStyle2 = wb.createCellStyle();

    Font headerFont = wb.createFont();
    headerFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
    headerFont.setFontName(HSSFFont.FONT_ARIAL);
    headerCellStyle.setFont(headerFont);
    headerCellStyle.setAlignment(CellStyle.ALIGN_CENTER);

    Font headerFont1 = wb.createFont();
    headerFont1.setBoldweight(Font.U_SINGLE_ACCOUNTING);
    headerFont1.setFontName(HSSFFont.FONT_ARIAL);
    headerCellStyle1.setFont(headerFont);
    headerCellStyle1.setAlignment(CellStyle.ALIGN_RIGHT);

    Font headerFont3 = wb.createFont();
    headerFont3.setBoldweight(Font.U_SINGLE);
    headerFont3.setFontName(HSSFFont.FONT_ARIAL);
    headerCellStyle2.setFont(headerFont1);
    headerCellStyle2.setAlignment(CellStyle.ALIGN_RIGHT);

    XSSFSheet sheet = wb.getSheetAt(0);/*from w  w w . j  av  a  2 s .  c  o m*/
    int noOfColumns = sheet.getRow(2).getLastCellNum();
    for (int i = 0; i < noOfColumns; i++) {
        sheet.autoSizeColumn(i);
    }
    sheet.shiftRows(0, sheet.getLastRowNum(), 4);

    XSSFRow firstRow = sheet.createRow(1);
    firstRow.createCell(0).setCellValue(pageName);
    firstRow.getCell(0).setCellStyle(headerCellStyle);

    XSSFRow secondRow = sheet.createRow(0);
    secondRow.createCell(0).setCellValue(getLoggedInOffice().getName());
    secondRow.getCell(0).setCellStyle(headerCellStyle);
    //
    XSSFRow thirdRow = sheet.createRow(3);
    String date = ndc.convertToNepaliDate(new Date());
    SimpleDateFormat sdf = new SimpleDateFormat("hh:mm:ss a");
    String time = sdf.format(new Date());
    thirdRow.createCell(0)
            .setCellValue("Generated on:" + date + " " + time + " by:" + getLoggedInUser().getName());
    thirdRow.getCell(0).setCellStyle(headerCellStyle2);

    XSSFRow fourthRow = sheet.createRow(2);
    fourthRow.createCell(0).setCellValue("FROM: " + startDateString + " TO: " + endDateString);
    fourthRow.getCell(0).setCellStyle(headerCellStyle);

    sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, 7));
    sheet.addMergedRegion(new CellRangeAddress(1, 1, 0, 7));
    sheet.addMergedRegion(new CellRangeAddress(2, 2, 0, 7));
    sheet.addMergedRegion(new CellRangeAddress(3, 3, 0, 7));
}

From source file:com.adobe.acs.commons.mcp.impl.ProcessErrorReportExcelServlet.java

License:Apache License

CellStyle createHeaderStyle(Workbook wb) {
    XSSFCellStyle xstyle = (XSSFCellStyle) wb.createCellStyle();
    XSSFColor header = new XSSFColor(new Color(79, 129, 189));
    xstyle.setFillForegroundColor(header);
    xstyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
    XSSFFont font = (XSSFFont) wb.createFont();
    font.setColor(IndexedColors.WHITE.index);
    xstyle.setFont(font);
    return xstyle;
}

From source file:com.anritsu.mcrepositorymanager.utils.GenerateRSS.java

public String getRSS() {
    FileInputStream file = null;//from   w ww  .  j av a 2s  . c o m
    String rssFileName = rssTemplateFileName.replaceAll("template", mcVersion);
    try {
        file = new FileInputStream(
                new File(Configuration.getInstance().getRssTemplatePath() + rssTemplateFileName));
        XSSFWorkbook workbook = new XSSFWorkbook(file);
        workbook.setSheetName(workbook.getSheetIndex("MC X.X.X"), "MC " + mcVersion);
        XSSFSheet sheet = workbook.getSheet("MC " + mcVersion);
        CreationHelper createHelper = workbook.getCreationHelper();

        Cell cell = null;

        // Update the sheet title
        cell = sheet.getRow(0).getCell(0);
        cell.setCellValue(cell.getStringCellValue().replaceAll("template", mcVersion));

        XSSFCellStyle cellStyle = workbook.createCellStyle();
        cellStyle.setBorderBottom(XSSFCellStyle.BORDER_THIN);
        cellStyle.setBorderTop(XSSFCellStyle.BORDER_THIN);
        cellStyle.setBorderRight(XSSFCellStyle.BORDER_THIN);
        cellStyle.setBorderLeft(XSSFCellStyle.BORDER_THIN);

        XSSFCellStyle hlinkstyle = workbook.createCellStyle();
        XSSFFont hlinkfont = workbook.createFont();
        hlinkfont.setUnderline(XSSFFont.U_SINGLE);
        hlinkfont.setColor(HSSFColor.BLUE.index);
        hlinkstyle.setFont(hlinkfont);
        hlinkstyle.setBorderBottom(XSSFCellStyle.BORDER_THIN);
        hlinkstyle.setBorderTop(XSSFCellStyle.BORDER_THIN);
        hlinkstyle.setBorderRight(XSSFCellStyle.BORDER_THIN);
        hlinkstyle.setBorderLeft(XSSFCellStyle.BORDER_THIN);

        XSSFCellStyle dateCellStyle = workbook.createCellStyle();
        dateCellStyle.setDataFormat(createHelper.createDataFormat().getFormat("dd-MMMM-yyyy"));
        dateCellStyle.setBorderBottom(XSSFCellStyle.BORDER_THIN);
        dateCellStyle.setBorderTop(XSSFCellStyle.BORDER_THIN);
        dateCellStyle.setBorderRight(XSSFCellStyle.BORDER_THIN);
        dateCellStyle.setBorderLeft(XSSFCellStyle.BORDER_THIN);

        // Populate the table
        int rowCount = 1;
        for (RecommendedMcPackage rmcp : sortedMcPackages) {
            if (rmcp.getRecommendedVersion() != null && rmcp.isShowInTable()) {
                Row row = sheet.createRow(rowCount + 1);
                rowCount++;

                cell = row.createCell(0);
                cell.setCellValue(rmcp.getTier().replaceAll("Anritsu/MasterClaw/", ""));
                cell.setCellStyle(cellStyle);

                cell = row.createCell(1);
                cell.setCellValue(rmcp.getGroup());
                cell.setCellStyle(cellStyle);

                cell = row.createCell(2);
                cell.setCellValue(rmcp.getPackageName());

                UrlValidator defaultValidator = new UrlValidator(UrlValidator.ALLOW_LOCAL_URLS);

                if (rmcp.getRecommendedVersion().getReleaseNote() != null
                        && defaultValidator.isValid(rmcp.getRecommendedVersion().getReleaseNote())) {
                    XSSFHyperlink releaseNotelink = (XSSFHyperlink) createHelper
                            .createHyperlink(Hyperlink.LINK_URL);
                    releaseNotelink.setAddress(rmcp.getRecommendedVersion().getReleaseNote());
                    //System.out.println("Inside(if) RN: " + rmcp.getRecommendedVersion().getReleaseNote() + " Valid: " + defaultValidator.isValid(rmcp.getRecommendedVersion().getReleaseNote()));

                    cell.setHyperlink(releaseNotelink);
                }
                cell.setCellStyle(hlinkstyle);

                cell = row.createCell(3);
                cell.setCellValue(rmcp.getRecommendedVersion().getPackageVersion());
                cell.setCellStyle(cellStyle);

                cell = row.createCell(4);
                cell.setCellValue(rmcp.getAvailability());
                cell.setCellStyle(cellStyle);

                cell = row.createCell(5);
                String customers = Arrays.asList(rmcp.getRecommendedVersion().getCustomerList().toArray())
                        .toString();
                if (customers.equalsIgnoreCase("[All]")) {
                    customers = "";
                }
                cell.setCellValue(customers);
                cell.setCellStyle(cellStyle);

                cell = row.createCell(6);
                cell.setCellValue(rmcp.getRecommendedVersion().getRisk());
                cell.setCellStyle(cellStyle);

                cell = row.createCell(7);
                cell.setCellValue(rmcp.getPackageName());
                XSSFHyperlink link = (XSSFHyperlink) createHelper.createHyperlink(Hyperlink.LINK_URL);
                link.setAddress(rmcp.getRecommendedVersion().getDownloadLinks().iterator().next());
                cell.setHyperlink((XSSFHyperlink) link);
                cell.setCellStyle(hlinkstyle);

                cell = row.createCell(8);
                cell.setCellValue((rmcp.getRecommendedVersion() != null
                        && rmcp.getRecommendedVersion().isLessRecommended()) ? "#" : "");
                cell.setCellStyle(cellStyle);

                cell = row.createCell(9);
                cell.setCellValue(rmcp.getRecommendedVersion().getNotes());
                cell.setCellStyle(cellStyle);

                StringBuilder newFeatures = new StringBuilder();
                for (MCPackageActivities mcpa : rmcp.getRecommendedVersion().getActivities()) {
                    if (!mcpa.getActivityType().equalsIgnoreCase("epr")) {
                        newFeatures.append(mcpa.getActivityType() + " " + mcpa.getActivityId() + "; ");
                    }
                }
                cell = row.createCell(10);
                cell.setCellValue(newFeatures.toString());
                cell.setCellStyle(cellStyle);

                cell = row.createCell(11);
                cell.setCellValue(rmcp.getRecommendedVersion().getReleaseDate());
                cell.setCellStyle(dateCellStyle);
            }
            sheet.autoSizeColumn(0);
            sheet.autoSizeColumn(1);
            sheet.autoSizeColumn(2);
            sheet.autoSizeColumn(3);
            sheet.autoSizeColumn(4);
            sheet.autoSizeColumn(6);
            sheet.autoSizeColumn(7);
            sheet.autoSizeColumn(8);
            sheet.autoSizeColumn(11);

        }

        FileOutputStream outFile = new FileOutputStream(
                new File(Configuration.getInstance().getRssTemplatePath() + rssFileName));
        workbook.write(outFile);
        outFile.close();
        return Configuration.getInstance().getRssTemplatePath() + rssFileName;

    } catch (FileNotFoundException ex) {
        Logger.getLogger(GenerateRSS.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(GenerateRSS.class.getName()).log(Level.SEVERE, null, ex);
    } finally {
        try {
            file.close();
        } catch (IOException ex) {
            Logger.getLogger(GenerateRSS.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    return "";
}

From source file:com.dfpray.formatter.CardModel.java

/**
 * Exports List of B.C to Excel file, Path should include name and format .xlsx ending
 * @param path/*  w  w  w  . ja va 2  s  .com*/
 * @throws IOException 
 */
public void exportToExcel(String path) throws IOException {
    System.out.println("Called ");

    BusinessCard card;
    Cell cell;
    String[] info;
    Double number;
    String cardInfo;
    Row row;

    //Create Blank workbook/sheet
    @SuppressWarnings("resource")
    XSSFWorkbook workbook = new XSSFWorkbook();
    XSSFSheet sheet = workbook.createSheet("Business Data");
    String[] tmpArray = { "CompanyName", "ContactFirstName", "ContactLastName", "Title", "Street Address",
            "Suite/PO Box", "City", "State", "ZipCode", "Country", "PhoneNumber", "Extension", "MobilePhone",
            "FaxNumber", "EmailAddress", "Website", "CsiCodes", "CompanyFunction", "MBEAffiliations", "Labor",
            "ServiceArea", "CompanyNotes", "ContactLists", "CF_Alternate Email", "CF_Do Not Use",
            "CF_Supplier/Manuf", "CF_Trade", "CF_Union Value", "CF_Unlicensed States", "CF_Will Not Bid" };

    Font headerFont = workbook.createFont();
    headerFont.setBoldweight(Font.BOLDWEIGHT_BOLD);

    XSSFCellStyle cellStyle = workbook.createCellStyle();
    cellStyle.setFont(headerFont);

    XSSFCellStyle cellStyle2 = workbook.createCellStyle();
    cellStyle2.setFont(headerFont);
    cellStyle2.setFillPattern(CellStyle.SOLID_FOREGROUND);
    cellStyle2.setFillForegroundColor(IndexedColors.YELLOW.getIndex());

    //Write Template

    row = sheet.createRow(0);
    for (int k = 0; k < 30; k++) {
        cell = row.createCell(k);
        cell.setCellStyle(cellStyle);

        if (k == 0 || k == 13 || k == 14 || k == 16 || k == 17) {
            cell.setCellStyle(cellStyle2);
        }

        cell.setCellValue(tmpArray[k]);
    }

    //Row = Business
    for (int i = 1; i <= amtCards(); i++) {
        row = sheet.createRow(i);
        card = cards.get(i - 1);
        info = card.infoToArray();

        //Create Column = Data for each Business
        for (int k = 0; k < 30; k++) {
            cardInfo = info[k];
            cell = row.createCell(k);

            if (k == 24)
                continue;

            try {
                number = Double.parseDouble(cardInfo);
                cell.setCellValue(number);
            } catch (NumberFormatException e) {
                cell.setCellValue(cardInfo);
            }

        }
        card.setExported(true);
    }

    //Create file system using specific name
    FileOutputStream out;
    try {
        out = new FileOutputStream(new File(path));
    } catch (FileNotFoundException e) {

        //Reset cards to not exported
        for (BusinessCard cardR : cards) {
            cardR.setExported(false);
        }
        throw new IOException();
    }
    workbook.write(out);
    out.close();

}

From source file:com.frameworkset.platform.sanylog.common.POIExcelUtil2007.java

License:Open Source License

private static XSSFCellStyle getHeadCellStyle(XSSFWorkbook wb, XSSFFont font) {//
    XSSFCellStyle headCellStyle = wb.createCellStyle();
    headCellStyle.setFont(font);
    headCellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN);
    headCellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN);
    headCellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN);
    headCellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN);
    headCellStyle.setFillForegroundColor(HSSFColor.GREY_25_PERCENT.index);
    headCellStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);
    headCellStyle.setWrapText(false);/*  w w w .j a  va  2  s .c  om*/
    headCellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
    headCellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
    return headCellStyle;
}

From source file:com.frameworkset.platform.util.POIExcelUtil.java

License:Open Source License

public static XSSFCellStyle getHeadCellStyle(XSSFWorkbook wb, XSSFFont font) {
    XSSFCellStyle headCellStyle = wb.createCellStyle();
    headCellStyle.setFont(font);
    headCellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN);
    headCellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN);
    headCellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN);
    headCellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN);
    headCellStyle.setFillForegroundColor(HSSFColor.GREY_25_PERCENT.index);
    headCellStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);
    headCellStyle.setWrapText(false);/*from   w w  w .j a va 2s.com*/
    headCellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
    headCellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
    return headCellStyle;
}