java Excel导出 后台下载出来
2017-02-14 11:57
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首先要有POI的包,一般情况下 MAVEN应该有是有的,没有在加吧.
XSSFWorkbook 这个类 已XSSF为开头是导出xlsx文件就是 2007版本和以上的EXCEl
下面是我的代码 :
OutputStream os=null;
try {
String mimetype = "application/x-msdownload";
response.setContentType(mimetype);
SimpleDateFormat sdf = new SimpleDateFormat("yyMMdd-HH-mm");
String downFileName ="投资记录全部数据"+sdf.format(new Date())+".xlsx";
String inlineType = "attachment"; // 是否内联附件
response.setHeader("Content-Disposition", inlineType
+ ";filename=\"" + new String(downFileName.getBytes(), "ISO8859-1") + "\"");
//查出所有的投资记录
List<Map<String, Object>> map= investmentService.findAllInvestmentList();
//导出Excel
os = response.getOutputStream();
XSSFWorkbook wb = new XSSFWorkbook();
XSSFSheet sheet = wb.createSheet("sheet1");
String [] title={ "投资id", "手机号", "姓名", "项目名称", "标的编码", "年化利率(%)","借款期限", "借款期限类型(月/天)" , "投资金额", "实付投资","还款方式" ,"卡卷类型", "卡卷面值", "还款期数", "应还本金", "应还收益", "投资时间" , "还款时间","交易订单号"};
String [] propertyName={"id","mobile","realName","postName","postNumber","yearRate","limitTime","limitType", "inMoney","realMoney","paybackType", "voucherType","denomination","numberTargets", "inMoney","earnings","inTime","payBackTime","orderNo"};
XSSFRow xssfR = sheet.createRow(0);
for (int j = 0; j < title.length; j++) {
XSSFCell xssfCell = xssfR.createCell(j);
xssfCell.setCellValue(title[j]);
}
for (int i = 0; i < map.size(); i++) {
Map<String,Object> m = map.get(i);
// 创建Excel的sheet的一行
int r=i+1;
XSSFRow xssfRow = sheet.createRow(r);
for (int j = 0; j < propertyName.length; j++) {
Object cell;
cell =m.get(propertyName[j]) ;
// 创建一个Excel的单元格
XSSFCell xssfCell = xssfRow.createCell(j);
if(cell!=null){
xssfCell.setCellValue(cell.toString());
}else{
xssfCell.setCellValue("");
}
}
}
wb.write(os);
} catch (UnsupportedEncodingException e) {
Exceptions.unchecked(e);
} catch (IOException e) {
Exceptions.unchecked(e);
}finally{
try {
os.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
XSSFWorkbook 这个类 已XSSF为开头是导出xlsx文件就是 2007版本和以上的EXCEl
下面是我的代码 :
OutputStream os=null;
try {
String mimetype = "application/x-msdownload";
response.setContentType(mimetype);
SimpleDateFormat sdf = new SimpleDateFormat("yyMMdd-HH-mm");
String downFileName ="投资记录全部数据"+sdf.format(new Date())+".xlsx";
String inlineType = "attachment"; // 是否内联附件
response.setHeader("Content-Disposition", inlineType
+ ";filename=\"" + new String(downFileName.getBytes(), "ISO8859-1") + "\"");
//查出所有的投资记录
List<Map<String, Object>> map= investmentService.findAllInvestmentList();
//导出Excel
os = response.getOutputStream();
XSSFWorkbook wb = new XSSFWorkbook();
XSSFSheet sheet = wb.createSheet("sheet1");
String [] title={ "投资id", "手机号", "姓名", "项目名称", "标的编码", "年化利率(%)","借款期限", "借款期限类型(月/天)" , "投资金额", "实付投资","还款方式" ,"卡卷类型", "卡卷面值", "还款期数", "应还本金", "应还收益", "投资时间" , "还款时间","交易订单号"};
String [] propertyName={"id","mobile","realName","postName","postNumber","yearRate","limitTime","limitType", "inMoney","realMoney","paybackType", "voucherType","denomination","numberTargets", "inMoney","earnings","inTime","payBackTime","orderNo"};
XSSFRow xssfR = sheet.createRow(0);
for (int j = 0; j < title.length; j++) {
XSSFCell xssfCell = xssfR.createCell(j);
xssfCell.setCellValue(title[j]);
}
for (int i = 0; i < map.size(); i++) {
Map<String,Object> m = map.get(i);
// 创建Excel的sheet的一行
int r=i+1;
XSSFRow xssfRow = sheet.createRow(r);
for (int j = 0; j < propertyName.length; j++) {
Object cell;
cell =m.get(propertyName[j]) ;
// 创建一个Excel的单元格
XSSFCell xssfCell = xssfRow.createCell(j);
if(cell!=null){
xssfCell.setCellValue(cell.toString());
}else{
xssfCell.setCellValue("");
}
}
}
wb.write(os);
} catch (UnsupportedEncodingException e) {
Exceptions.unchecked(e);
} catch (IOException e) {
Exceptions.unchecked(e);
}finally{
try {
os.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
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