/**
* 下载
* @param response
* @param request
* @return
* @throws Exception
*/
/*@RequestMapping(value="downExels")
public String typeExls(HttpServletResponse response
,HttpServletRequest request)throws Exception{
// 获得要导出的数据集
// 创建excel工作簿
Workbook wb = new HSSFWorkbook();
// 创建第一个sheet(页),并命名
Sheet sheet = wb.createSheet("woxs");
// 手动设置列宽。第一个参数表示要为第几列设;,第二个参数表示列的宽度,n为列高的像素数。
sheet.setColumnWidth((short) 0, (short) (35.7 * 150));
sheet.setColumnWidth((short) 1, (short) (35.7 * 150));
sheet.setColumnWidth((short) 2, (short) (35.7 * 150));
sheet.setColumnWidth((short) 3, (short) (35.7 * 100));
sheet.setColumnWidth((short) 4, (short) (35.7 * 250));
sheet.setColumnWidth((short) 5, (short) (35.7 * 150));
sheet.setColumnWidth((short) 6, (short) (35.7 * 150));
// 创建第一行
Row row = sheet.createRow((short) 0);
// 创建两种单元格格式
CellStyle cs = wb.createCellStyle();
CellStyle cs2 = wb.createCellStyle();
// DataFormat df = wb.createDataFormat();
// 创建两种字体
Font f = wb.createFont();
Font f2 = wb.createFont();
// 创建第一种字体样式
f.setFontHeightInPoints((short) 10);
f.setColor(IndexedColors.RED.getIndex());
f.setBoldweight(Font.BOLDWEIGHT_BOLD);
// 创建第二种字体样式
f2.setFontHeightInPoints((short) 10);
f2.setColor(IndexedColors.BLACK.getIndex());
f2.setBoldweight(Font.BOLDWEIGHT_BOLD);
// 设置第一种单元格的样式
cs.setFont(f);
cs.setBorderLeft(CellStyle.BORDER_THIN);
cs.setBorderRight(CellStyle.BORDER_THIN);
cs.setBorderTop(CellStyle.BORDER_THIN);
cs.setBorderBottom(CellStyle.BORDER_THIN);
// cs.setDataFormat(df.getFormat("#,##0.0"));
// 设置第二种单元格的样式
cs2.setFont(f2);
cs2.setBorderLeft(CellStyle.BORDER_THIN);
cs2.setBorderRight(CellStyle.BORDER_THIN);
cs2.setBorderTop(CellStyle.BORDER_THIN);
cs2.setBorderBottom(CellStyle.BORDER_THIN);
// 创建列(每行里的单元格)
Cell cell = row.createCell(0);
cell.setCellValue("用户名");
cell.setCellStyle(cs);
cell = row.createCell(1);
cell.setCellValue("订单号");
cell.setCellStyle(cs);
cell = row.createCell(2);
cell.setCellValue("兑换券序列号");
cell.setCellStyle(cs);
cell = row.createCell(3);
cell.setCellValue("兑换券金额");
cell.setCellStyle(cs);
cell = row.createCell(4);
cell.setCellValue("兑换券类型名称");
cell.setCellStyle(cs);
cell = row.createCell(5);
cell.setCellValue("使用时间");
cell.setCellStyle(cs);
cell = row.createCell(6);
cell.setCellValue("使用结束日期");
cell.setCellStyle(cs);
DateFormat df = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
for (short i = 0; i < 5; i++) {
// Row 行,Cell 方格 , Row 和 Cell 都是从0开始计数的
// 创建一行,在页sheet上
row = sheet.createRow((short) i + 2);
// 在row行上创建一个方格
cell = row.createCell(0);
cell.setCellValue("123");
cell.setCellStyle(cs2);
cell = row.createCell(1);
cell.setCellValue("ww");
cell.setCellStyle(cs2);
cell = row.createCell(2);
cell.setCellValue("123");
cell.setCellStyle(cs2);
cell = row.createCell(3);
cell.setCellValue("22");
cell.setCellStyle(cs2);
cell = row.createCell(4);
cell.setCellValue("wo de ");
cell.setCellStyle(cs2);
cell = row.createCell(5);
cell.setCellValue("s");
cell.setCellStyle(cs2);
cell = row.createCell(6);
cell.setCellValue("123");
cell.setCellStyle(cs2);
}
ByteArrayOutputStream os = new ByteArrayOutputStream();
try {
wb.write(os);
} catch (IOException e) {
e.printStackTrace();
}
byte[] content = os.toByteArray();
InputStream is = new ByteArrayInputStream(content);
// 设置response参数,可以打开下载页面
response.reset();
response.setContentType("application/vnd.ms-excel;charset=utf-8");
response.setHeader("Content-Disposition", "attachment;filename=" + new String(("ss".toString() + ".xls").getBytes(), "iso-8859-1"));
ServletOutputStream out = response.getOutputStream();
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
try {
bis = new BufferedInputStream(is);
bos = new BufferedOutputStream(out);
byte[] buff = new byte[2048];
int bytesRead;
// Simple read/write loop.
while (-1 != (bytesRead = bis.read(buff, 0, buff.length))) {
bos.write(buff, 0, bytesRead);
}
} catch (final IOException e) {
throw e;
} finally {
if (bis != null)
bis.close();
if (bos != null)
bos.close();
}
return null;
}*/