public void generateExcel(OutputStream out, XLSCallBack<T> xlscaCallBack)
throws RuntimeException, IOException {
HSSFWorkbook workbook = new HSSFWorkbook();
// create a sheet with specified name
HSSFSheet sheet = workbook.createSheet(xlscaCallBack.getSheetName());
for (int i = 0; i < xlscaCallBack.getColumnWidth().length; i++) {
sheet.setColumnWidth(i, xlscaCallBack.getColumnWidth()[i] * 256);
}
// create a title for sheet title
sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, xlscaCallBack.getHeaders().length - 1));
HSSFCellStyle titleCellStyle = workbook.createCellStyle(); // create titleCellStyle for cell
titleCellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
HSSFFont titleFont = workbook.createFont(); // set font
titleFont.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
titleFont.setFontName("宋体");
titleFont.setFontHeight((short) (240));
titleFont.setColor(HSSFColor.AUTOMATIC.index);
titleCellStyle.setFont(titleFont);
titleCellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN); // set border
titleCellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN);
titleCellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN);
titleCellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN);
titleCellStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND); // set background
titleCellStyle.setFillForegroundColor(HSSFColor.LIGHT_BLUE.index);
titleCellStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);
titleCellStyle.setFillForegroundColor(HSSFColor.LIGHT_YELLOW.index);
HSSFRow title = sheet.createRow(0);
title.setHeight((short) 300);
for (int i = 0; i < xlscaCallBack.getHeaders().length; i++) { // create tytle for title
HSSFCell cell = title.createCell(i);
cell.setCellValue(xlscaCallBack.getTitle());
cell.setCellStyle(titleCellStyle);
}
HSSFCellStyle headerCellStyle = workbook.createCellStyle(); // create headerCellStyle for cell
headerCellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
HSSFFont headerFont = workbook.createFont(); // set font
headerFont.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);
headerFont.setFontName("幼圆");
headerFont.setColor(HSSFColor.AUTOMATIC.index);
headerCellStyle.setFont(headerFont);
headerCellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN); // set border
headerCellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN);
headerCellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN);
headerCellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN);
headerCellStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND); // set background
headerCellStyle.setFillForegroundColor(HSSFColor.LIGHT_BLUE.index);
headerCellStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);
headerCellStyle.setFillForegroundColor(HSSFColor.LIGHT_YELLOW.index);
HSSFRow header = sheet.createRow(1);
for (int i = 0; i < xlscaCallBack.getHeaders().length; i++) { // create tytle for header
HSSFCell cell = header.createCell(i);
cell.setCellValue(xlscaCallBack.getHeaders()[i]);
cell.setCellStyle(headerCellStyle);
}
HSSFCellStyle rowCellStyle = workbook.createCellStyle(); // create headerCellStyle for cell
rowCellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);
HSSFFont rowFont = workbook.createFont(); // set font
rowFont.setBoldweight(HSSFFont.BOLDWEIGHT_NORMAL);
rowFont.setFontName("幼圆");
rowFont.setColor(HSSFColor.AUTOMATIC.index);
rowCellStyle.setFont(rowFont);
rowCellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN); // set border
rowCellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN);
rowCellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN);
rowCellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN);
for (int i = 0; i < lists.size(); i++) {
HSSFRow row = sheet.createRow(i + 2);
String values[] = xlscaCallBack.getValue(lists.get(i));
for (int j = 0; j < values.length; j++) {
HSSFCell cell = row.createCell(j);
cell.setCellValue(values[j]);
cell.setCellStyle(rowCellStyle);
}
}
HSSFCellStyle bottomCellStyle = workbook.createCellStyle(); // create titleCellStyle for cell
bottomCellStyle.setAlignment(HSSFCellStyle.ALIGN_LEFT);
HSSFFont bottomFont = workbook.createFont(); // set font
bottomFont.setBoldweight(HSSFFont.BOLDWEIGHT_NORMAL);
bottomFont.setFontName("幼圆");
bottomFont.setColor(HSSFColor.AUTOMATIC.index);
bottomCellStyle.setFont(bottomFont);
bottomCellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN); // set border
bottomCellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN);
bottomCellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN);
bottomCellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN);
bottomCellStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND); // set background
bottomCellStyle.setFillForegroundColor(HSSFColor.LIGHT_BLUE.index);
bottomCellStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);
bottomCellStyle.setFillForegroundColor(HSSFColor.LIGHT_YELLOW.index);
sheet.addMergedRegion(
new CellRangeAddress(
lists.size() + 2,
lists.size() + 2,
0,
xlscaCallBack.getHeaders().length - 1)); // creaet bootom for xls
HSSFRow bottomRow = sheet.createRow(lists.size() + 2);
for (int i = 0; i < xlscaCallBack.getHeaders().length; i++) { // create tytle for title
HSSFCell cell = bottomRow.createCell(i);
SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
cell.setCellValue("共计导出 " + lists.size() + " 条记录 ,导出日期:" + sf.format(new Date()));
cell.setCellStyle(bottomCellStyle);
}
try {
workbook.write(out);
} catch (IOException e) {
e.printStackTrace();
throw new RuntimeException("create Excel failed due to some unkonw reasion~");
}
}
