response.setContentType("application/msexcel");
response.setHeader("Content-Disposition", " filename=report.xls");
ServletOutputStream ouputStream = response.getOutputStream();
ExcelWriter writer = new ExcelWriter(ouputStream);
writer.createSheet("信息表", 0);
writer.mergeCells(0, 0, 0, 14, 0);
WritableFont font = new WritableFont(WritableFont.ARIAL, 16,
WritableFont.BOLD, false,