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public void exportExcel(List<P2pInfo> repayXist,HttpServletRequest request,HttpServletResponse response,List<DimNode> listArea,String drxh) throws Exception{
log.info("导出银生宝还款信息Excel文件");
FileOutputStream fos=null;
InputStream is=null;
OutputStream os=null;
BufferedInputStream bis=null;
BufferedOutputStream bos=null;
try {
//当前日期
String dateStr=DateUtil.parseDateFormat(new Date(), "yyyyMMdd");
//银生宝导出文件服务器上存放路径
String ysbPath=getSystemConfigValue(ConstantsApplication.YSB_EXPORT_PATH);
String folderFileName="YSB" + dateStr + "_" + drxh;
String filePath=ysbPath+"/"+folderFileName;
StringOperator.deletePath(filePath);
File file=new File(filePath);
file.delete();
CommonUtils.mkDirs(filePath);
String fileNameHtml=ConstantsApplication.YSB_OPERATION_CODE+"_"+dateStr+"_"+drxh+".xls";
String fileName=filePath+"/"+fileNameHtml;
/*导出到服务器上指定文件：D:\ExportYSB下*/
fos=new FileOutputStream(fileName);
//创建Excel文件对象 H
SSFWorkbook workbook = new HSSFWorkbook();
//创建Sheet对象 HSSFSheet sheet1 = workbook.createSheet();
//设置Excel样式
// 设置列宽
sheet1.setColumnWidth(0, 3000);
sheet1.setColumnWidth(1, 6000);
sheet1.setColumnWidth(2, 3000);
sheet1.setColumnWidth(3, 4000);
sheet1.setColumnWidth(4, 3000);
// 设置标题字体
HSSFFont headfont = workbook.createFont();
headfont.setFontName("黑体");
headfont.setFontHeightInPoints((short) 10);
// 字体大小
headfont.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD);// 加粗 // 标题样式
HSSFCellStyle headstyle = workbook.createCellStyle();
headstyle.setFont(headfont);
headstyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);// 左右居中
headstyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 上下居中
headstyle.setLeftBorderColor(HSSFColor.BLACK.index);
headstyle.setBorderLeft((short) 1);
headstyle.setRightBorderColor(HSSFColor.BLACK.index);
headstyle.setBorderRight((short) 1);
headstyle.setBorderBottom(HSSFCellStyle.BORDER_THIN); // 设置单元格的边框为粗体
headstyle.setBottomBorderColor(HSSFColor.BLACK.index); // 设置单元格的边框颜色． /*普通单元格样式*/
HSSFFont font = workbook.createFont();
font.setFontName("宋体");
font.setFontHeightInPoints((short) 10);
// 普通单元格样式
HSSFCellStyle contentStyle = workbook.createCellStyle();
contentStyle.setFont(font);
contentStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER);// 左右居中
contentStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 上下居中
contentStyle.setWrapText(true);
contentStyle.setLeftBorderColor(HSSFColor.BLACK.index);
contentStyle.setBorderLeft((short) 1);
contentStyle.setRightBorderColor(HSSFColor.BLACK.index);
contentStyle.setBorderRight((short) 1);
contentStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN); // 设置单元格的边框为粗体
contentStyle.setBottomBorderColor(HSSFColor.BLACK.index); // 设置单元格的边框颜色．
//创建行对象
HSSFRow row1;
//第一行标题
row1 = sheet1.createRow(0);
row1.createCell(0).setCellValue("帐户名");
row1.createCell(1).setCellValue("银行账号");
row1.createCell(2).setCellValue("收款金额");
row1.createCell(3).setCellValue("资金用途");
row1.createCell(4).setCellValue("商家订单号");
//为标题引入上面设置的样式
row1.getCell(0).setCellStyle(headstyle);
row1.getCell(1).setCellStyle(headstyle);
row1.getCell(2).setCellStyle(headstyle);
row1.getCell(3).setCellStyle(headstyle);
row1.getCell(4).setCellStyle(headstyle);
row1.setHeightInPoints((short)20);
if (null!=repayXist&&repayXist.size()>0) {
int size=repayXist.size()+1;
int j=0;
P2pRepayInfo p2pRepayInfo=null;
DimNode dimNode=null;
for (int i = 1; i < size; i++) {
j=i-1;
p2pRepayInfo=repayXist.get(j);
row1 = sheet1.createRow(i);
row1.createCell(0).setCellValue(p2pRepayInfo.getLoanName());
row1.createCell(1).setCellValue(p2pRepayInfo.getFactRepayAccountNo()); //应还本金+利息
Double dueCI=(p2pRepayInfo.getDuetoCapital()==null?0:p2pRepayInfo.getDuetoCapital())+(p2pRepayInfo.getDuetoInterest()==null?0:p2pRepayInfo.getDuetoInterest()); //已还本金+已还利息
Double paidCI=(p2pRepayInfo.getPaidCapital()==null?0:p2pRepayInfo.getPaidCapital())+(p2pRepayInfo.getPaidInterest()==null?0:p2pRepayInfo.getPaidInterest());
row1.createCell(2).setCellValue(dueCI-paidCI);
row1.createCell(3).setCellValue(" "); //商家订单号——地区
for (int k = 0; k < listArea.size(); k++) {
dimNode=listArea.get(k);
if (dimNode.getNodeNo().equals(p2pRepayInfo.getAreaNo())) {
row1.createCell(4).setCellValue(dimNode.getNodeName());
break;
}
}
row1.getCell(0).setCellStyle(contentStyle);
row1.getCell(1).setCellStyle(contentStyle);
row1.getCell(2).setCellStyle(contentStyle);
row1.getCell(3).setCellStyle(contentStyle);
row1.getCell(4).setCellStyle(contentStyle);
row1.setHeightInPoints((short)15);
}
}
workbook.write(fos);
/*将保存到服务器上的Excel文件读取到客户端*/
//清空输出流
response.reset();
response.setCharacterEncoding("utf-8");
response.setHeader("Content-disposition", "attachment;filename="+fileNameHtml);
response.setContentType("application/msexcel");
is=new FileInputStream(fileName);
bis=new BufferedInputStream(is);
os=response.getOutputStream();
bos=new BufferedOutputStream(os);
int read=0;
byte[] bytes=new byte[8072];
while ((read=bis.read(bytes,0, bytes.length))!=-1) {
bos.write(bytes, 0, read);
}
bos.flush();
} catch (Exception e) {
e.printStackTrace();
}finally{
try {
fos.close();
os.close();
bos.close();
is.close();
bis.close();
} catch (IOException e) {
log.info("银生宝还款信息文件导出异常……");
e.printStackTrace();
throw new Exception("银生宝还款信息文件导出异常……", e);
}
}
}
数据以Excel形式导出导服务器，再将文件读取到客户端另存 以HSSFWorkbook方式实现
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原文地址：http://www.cnblogs.com/Defry/p/4571613.html
