jxl例

public class ExcelReport {
	public void createExcel(OutputStream os ,List<Book> list) throws Exception{
		WritableWorkbook wwb = Workbook.createWorkbook(os);
		WritableSheet sheet = wwb.createSheet(" ", 0);
		// 
		  WritableCellFormat wcf = new WritableCellFormat();   
		  wcf.setAlignment(Alignment.CENTRE);
		  wcf.setBackground(jxl.format.Colour.SEA_GREEN);
		  sheet.addCell(new Label(0, 0, " ",wcf));   
		  sheet.addCell(new Label(1, 0, " ",wcf));   
		  sheet.addCell(new Label(2, 0, " ",wcf));   
		  sheet.addCell(new Label(3, 0, " ",wcf));   
		  sheet.addCell(new Label(4, 0, " ",wcf));   
		  sheet.addCell(new Label(5, 0, " ",wcf));   
		for(int i=1;i<list.size();i++){
			sheet.addCell(new Label(0,i,list.get(i).getBookId()));
			sheet.addCell(new Label(1,i,list.get(i).getBookName()));
			sheet.addCell(new Label(2,i,list.get(i).getAuthor()));
			sheet.addCell(new Label(3,i,list.get(i).getPrice()));
			sheet.addCell(new Label(4,i,list.get(i).getCount()));
			sheet.addCell(new Label(5,i,list.get(i).getPublish()));
		}
		wwb.write();
		wwb.close();
		os.close();
	}
}

public class Test {

	public static void main(String[] args) throws Exception {
		List list = bulidList();
		OutputStream os = new FileOutputStream("d:\\test2.xls");
		ExcelReport excel = new ExcelReport();
		excel.createExcel(os, list);
	}
	public static List bulidList(){
		List list = new ArrayList();
		
		for(int i=0;i<10;i++){
			Book bo = new Book();
			bo.setBookId("00"+i);
			bo.setAuthor(" "+i);
			bo.setBookName(" "+i+" ");
			bo.setCount(i+" ");
			bo.setPrice("10"+i);
			bo.setPublish(" "+i);
			list.add(bo);
		}

		return list;
		}
}