public static void main(String[] args) throws Exception {
XSSFWorkbook wb = new XSSFWorkbook(); // or new HSSFWorkbook();
XSSFSheet sheet = wb.createSheet();
XSSFRow row = sheet.createRow((short) 2);
XSSFCell cell = row.createCell(1);
XSSFRichTextString rt = new XSSFRichTextString("The quick brown fox");
XSSFFont font1 = wb.createFont();
font1.setBold(true);
font1.setColor(new XSSFColor(new java.awt.Color(255, 0, 0)));
rt.applyFont(0, 10, font1);
XSSFFont font2 = wb.createFont();
font2.setItalic(true);
font2.setUnderline(XSSFFont.U_DOUBLE);
font2.setColor(new XSSFColor(new java.awt.Color(0, 255, 0)));
rt.applyFont(10, 19, font2);
XSSFFont font3 = wb.createFont();
font3.setColor(new XSSFColor(new java.awt.Color(0, 0, 255)));
rt.append(" Jumped over the lazy dog", font3);
cell.setCellValue(rt);
// Write the output to a file
FileOutputStream fileOut = new FileOutputStream("xssf-richtext.xlsx");
wb.write(fileOut);
fileOut.close();
}
/**
* 指定した行番号の<b>XSSFRow</b>を取得する。有効範囲外の行の場合は新規作成する。
*
* @param sheet <b>XSSFSheet</b>
* @param nRow 取得したい行の行番号
* @return <b>XSSFRow</b>
*/
public static XSSFRow getRowAnyway(XSSFSheet sheet, int nRow) {
assert sheet != null;
XSSFRow row = sheet.getRow(nRow);
if (row == null) {
row = sheet.createRow(nRow);
}
return row;
}
private void generateExcelDoc(String docName) throws FileNotFoundException, IOException {
XSSFWorkbook workbook = new XSSFWorkbook();
XSSFSheet overall = workbook.createSheet("Overall");
XSSFRow row = overall.createRow(0);
XSSFCellStyle topStyle = workbook.createCellStyle();
topStyle.setAlignment(CellStyle.ALIGN_CENTER);
XSSFCell theme = row.createCell(0);
theme.setCellValue("Theme");
overall.autoSizeColumn(0);
XSSFCell occurs = row.createCell(1);
occurs.setCellValue("Occurrences");
overall.autoSizeColumn(1);
XSSFCell prev = row.createCell(2);
prev.setCellValue("Prevalence");
overall.autoSizeColumn(2);
theme.setCellStyle(topStyle);
occurs.setCellStyle(topStyle);
prev.setCellStyle(topStyle);
for (int i = 0; i < themes.size(); i++) {
XSSFRow r = overall.createRow((i + 1));
XSSFCell c = r.createCell(0);
c.setCellValue(themes.get(i).getName());
XSSFCell c1 = r.createCell(1);
c1.setCellValue(themes.get(i).getTotalOccurs());
XSSFCell c2 = r.createCell(2);
c2.setCellValue(calculatePrevalence(themes.get(i).getTotalOccurs(), lineCount));
}
// This could be done in the previous loop but since we don't need
// indices as much, we may as well use the cleaner for each loop
for (Theme t : themes) {
XSSFSheet themeSheet = workbook.createSheet(t.getName());
XSSFRow row1 = themeSheet.createRow(0);
XSSFCell keyword = row1.createCell(0);
keyword.setCellValue("Keyword");
keyword.setCellStyle(topStyle);
XSSFCell occ = row1.createCell(1);
occ.setCellValue("Occurrences");
occ.setCellStyle(topStyle);
XSSFCell themePrev = row1.createCell(2);
themePrev.setCellValue("Prevalence");
themePrev.setCellStyle(topStyle);
for (int i = 0; i < t.getKeywords().size(); i++) {
Keyword k = t.getKeywords().get(i);
XSSFRow r = themeSheet.createRow((i + 1));
XSSFCell c = r.createCell(0);
c.setCellValue(k.getName());
XSSFCell c1 = r.createCell(1);
c1.setCellValue(k.getNumOccurs());
XSSFCell c2 = r.createCell(2);
c2.setCellValue(calculatePrevalence(k.getNumOccurs(), t.getTotalOccurs()));
}
}
FileOutputStream output = new FileOutputStream(docName);
workbook.write(output);
output.close();
}