/**
* 初始化函数
*
* @param title 表格标题，传“空值”，表示无标题
* @param headerList 表头列表
*/
private void initialize(String title, List<String> headerList) {
this.wb = new SXSSFWorkbook(500);
this.sheet = wb.createSheet("Export");
this.styles = createStyles(wb);
// Create title
if (StringUtils.isNotBlank(title)) {
Row titleRow = sheet.createRow(rownum++);
titleRow.setHeightInPoints(30);
Cell titleCell = titleRow.createCell(0);
titleCell.setCellStyle(styles.get("title"));
titleCell.setCellValue(title);
sheet.addMergedRegion(
new CellRangeAddress(
titleRow.getRowNum(),
titleRow.getRowNum(),
titleRow.getRowNum(),
headerList.size() - 1));
}
// Create header
if (headerList == null) {
throw new RuntimeException("headerList not null!");
}
Row headerRow = sheet.createRow(rownum++);
headerRow.setHeightInPoints(16);
for (int i = 0; i < headerList.size(); i++) {
Cell cell = headerRow.createCell(i);
cell.setCellStyle(styles.get("header"));
String[] ss = StringUtils.split(headerList.get(i), "**", 2);
if (ss.length == 2) {
cell.setCellValue(ss[0]);
Comment comment =
this.sheet
.createDrawingPatriarch()
.createCellComment(new XSSFClientAnchor(0, 0, 0, 0, (short) 3, 3, (short) 5, 6));
comment.setString(new XSSFRichTextString(ss[1]));
cell.setCellComment(comment);
} else {
cell.setCellValue(headerList.get(i));
}
sheet.autoSizeColumn(i);
}
for (int i = 0; i < headerList.size(); i++) {
int colWidth = sheet.getColumnWidth(i) * 2;
sheet.setColumnWidth(i, colWidth < 3000 ? 3000 : colWidth);
}
log.debug("Initialize success.");
}
public File generateXLSResponse(QueryResult queryResult, Locale locale, String baseURL) {
File excelFile = new File("export_parts.xls");
// Blank workbook
XSSFWorkbook workbook = new XSSFWorkbook();
// Create a blank sheet
XSSFSheet sheet = workbook.createSheet("Parts Data");
String header = StringUtils.join(queryResult.getQuery().getSelects(), ";");
String[] columns = header.split(";");
Map<Integer, String[]> data = new HashMap<>();
String[] headerFormatted = createXLSHeaderRow(header, columns, locale);
data.put(1, headerFormatted);
Map<Integer, String[]> commentsData = new HashMap<>();
String[] headerComments = createXLSHeaderRowComments(header, columns);
commentsData.put(1, headerComments);
List<String> selects = queryResult.getQuery().getSelects();
int i = 1;
for (QueryResultRow row : queryResult.getRows()) {
i++;
data.put(i, createXLSRow(selects, row, baseURL));
commentsData.put(i, createXLSRowComments(selects, row));
}
// Iterate over data and write to sheet
Set<Integer> keyset = data.keySet();
int rownum = 0;
for (Integer key : keyset) {
Row row = sheet.createRow(rownum++);
String[] objArr = data.get(key);
int cellnum = 0;
for (String obj : objArr) {
Cell cell = row.createCell(cellnum++);
cell.setCellValue(obj);
}
CreationHelper factory = workbook.getCreationHelper();
Drawing drawing = sheet.createDrawingPatriarch();
String[] commentsObjArr = commentsData.get(key);
cellnum = 0;
for (String commentsObj : commentsObjArr) {
if (commentsObj.length() > 0) {
Cell cell = row.getCell(cellnum) != null ? row.getCell(cellnum) : row.createCell(cellnum);
// When the comment box is visible, have it show in a 1x3 space
ClientAnchor anchor = factory.createClientAnchor();
anchor.setCol1(cell.getColumnIndex());
anchor.setCol2(cell.getColumnIndex() + 1);
anchor.setRow1(row.getRowNum());
anchor.setRow2(row.getRowNum() + 1);
Comment comment = drawing.createCellComment(anchor);
RichTextString str = factory.createRichTextString(commentsObj);
comment.setString(str);
// Assign the comment to the cell
cell.setCellComment(comment);
}
cellnum++;
}
}
// Define header style
Font headerFont = workbook.createFont();
headerFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
headerFont.setFontHeightInPoints((short) 10);
headerFont.setFontName("Courier New");
headerFont.setItalic(true);
headerFont.setColor(IndexedColors.WHITE.getIndex());
CellStyle headerStyle = workbook.createCellStyle();
headerStyle.setFont(headerFont);
headerStyle.setFillForegroundColor(IndexedColors.GREY_25_PERCENT.getIndex());
headerStyle.setFillPattern(CellStyle.SOLID_FOREGROUND);
// Set header style
for (int j = 0; j < columns.length; j++) {
Cell cell = sheet.getRow(0).getCell(j);
cell.setCellStyle(headerStyle);
if (cell.getCellComment() != null) {
String comment = cell.getCellComment().getString().toString();
if (comment.equals(QueryField.CTX_PRODUCT_ID)
|| comment.equals(QueryField.CTX_SERIAL_NUMBER)
|| comment.equals(QueryField.PART_MASTER_NUMBER)) {
for (int k = 0; k < queryResult.getRows().size(); k++) {
Cell grayCell =
sheet.getRow(k + 1).getCell(j) != null
? sheet.getRow(k + 1).getCell(j)
: sheet.getRow(k + 1).createCell(j);
grayCell.setCellStyle(headerStyle);
}
}
}
}
try {
// Write the workbook in file system
FileOutputStream out = new FileOutputStream(excelFile);
workbook.write(out);
out.close();
} catch (Exception e) {
LOGGER.log(Level.FINEST, null, e);
}
return excelFile;
}
