参考:
http://www.cnblogs.com/Areas/archive/2012/06/26/2563139.html 和
http://www.cnblogs.com/xwdreamer/archive/2011/07/20/2296975.html
try
{
String now = new SimpleDateFormat("yyyy").format(new Date());
// 声明一个工作薄
HSSFWorkbook workbook = new HSSFWorkbook();
// 生成一个表格
HSSFSheet sheet = workbook.createSheet("aaa");
//默认宽度
sheet.setDefaultColumnWidth(12);
// 生成一个样式
HSSFCellStyle style = workbook.createCellStyle();
// 设置这些样式
style.setFillForegroundColor(HSSFColor.CORNFLOWER_BLUE.index);//背景颜色
style.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);//
style.setBorderBottom(HSSFCellStyle.BORDER_THIN);
style.setBorderLeft(HSSFCellStyle.BORDER_THIN);
style.setBorderRight(HSSFCellStyle.BORDER_THIN);
style.setBorderTop(HSSFCellStyle.BORDER_THIN);
style.setAlignment(HSSFCellStyle.ALIGN_JUSTIFY);
style.setVerticalAlignment(HSSFCellStyle.VERTICAL_TOP);
style.setWrapText(true);
// 生成一个字体
HSSFFont font = workbook.createFont();
font.setColor(HSSFColor.GREY_80_PERCENT.index);//字体颜色
font.setFontHeightInPoints((short) 11);
font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);//字体
// 把字体应用到当前的样式
style.setFont(font);
// 声明一个画图的顶级管理器
HSSFPatriarch patriarch = sheet.createDrawingPatriarch();
// 产生表格标题行
HSSFRow row = sheet.createRow(0);
String[][] comms = {{"省分代码"},{"省分名称"},{"3G净增用户预算值"},{"填报日期"}};
for (short i = 0; i < comms.length; i++) {
// 定义注释的大小和位置,详见文档
HSSFComment comment = patriarch.createComment(new HSSFClientAnchor(0,
0, 0, 0, (short) 4, 2, (short) 6, 5));
// 设置注释内容
comment.setString(new HSSFRichTextString("格式要求:"));
HSSFCell cell = row.createCell(i);
cell.setCellStyle(style);
HSSFRichTextString text = new HSSFRichTextString(comms[i][0]);
cell.setCellValue(text);
cell.setCellComment(comment);
}
OutputStream out = new FileOutputStream("D://a.xls");
workbook.write(out); //把相应的Excel工作薄存盘
} catch (Exception e)
{
e.printStackTrace();
}