public String toExcel( HttpServletResponse res){
ArrayList<String> arrayList1 = new ArrayList<String>();
arrayList1.add("管道段落名称");
arrayList1.add("（若未填写将根据A-Z端自动生");
arrayList1.add("成）");
String content1 = String.join("
", arrayList1);
String []header=new String[]{"序号","专业类型","项目编号","微观规划工单号","地市","区域",content1,
"管道A端","管道Z端","管道级别","管道路由点坐标","需求来源","紧急程度","状态","长度（米）","单价（万元）","概算价格（万元）","预算价格（万元）","完工价格（万元）","需求联系人及电话","备注"};
String []examples=new String[]{"1","家宽预覆盖业务
接入","12","","东莞","东城区","12312323","XXX11323","XXX","干线","113.51434769,22.28574978,
" +
"113.51451901,22.28576881","业务类","特急","需求","10.000","","","","","",""};
// 创建HSSFWorkbook对象(excel的文档对象)
HSSFWorkbook wb = new HSSFWorkbook();
// 建立新的sheet对象（excel的表单）
HSSFSheet sheet = wb.createSheet("student");
sheet.setDefaultRowHeight((short) (34.5*17));
// 设置表头表体样式
// 设置表头居中
HSSFCellStyle style = wb.createCellStyle();
// 创建一个居中格式
style.setAlignment(HSSFCellStyle.ALIGN_CENTER);
style.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
// 设置字体颜色
Font font2 = wb.createFont();
font2.setFontHeightInPoints((short) 22); // 字体高度
font2.setFontName("黑体"); // 字体
font2.setColor(HSSFColor.BLACK.index); //颜色
style.setFont(font2);
// 在sheet里创建第一行，参数为行索引(excel的行)，可以是0～65535之间的任何一个
HSSFRow row1 = sheet.createRow(0);
row1.setHeight((short) (49.5*15));
// 创建单元格（excel的单元格，参数为列索引，可以是0～255之间的任何一个
HSSFCell cell = row1.createCell(0);
// 设置单元格内容
cell.setCellValue("管道类清单明细（红色字体为必填项）");
cell.setCellStyle(style);
// 合并单元格CellRangeAddress构造参数依次表示起始行，截至行，起始列， 截至列
sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, 20));
// 表格第二行
HSSFRow row= sheet.createRow((int) 1);
row.setHeight((short) (34.5*17));
sheet.autoSizeColumn(1);
HSSFCellStyle headerStyle1 = wb.createCellStyle();
HSSFCellStyle headerStyle2 = wb.createCellStyle();
headerStyle2.setWrapText(true);
// 创建一个居中格式
headerStyle1.setAlignment(HSSFCellStyle.ALIGN_CENTER);
headerStyle1.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
// 创建一个居中格式
headerStyle2.setAlignment(HSSFCellStyle.ALIGN_CENTER);
headerStyle2.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);
// 设置字体颜色 红色
Font headerFont1 = wb.createFont();
headerFont1.setFontHeightInPoints((short) 12); // 字体高度
headerFont1.setFontName("仿宋_GB2312"); // 字体
headerFont1.setColor(HSSFColor.RED.index); //颜色
headerStyle1.setFont(headerFont1);
// 设置字体颜色 黑色
Font headerFont2 = wb.createFont();
headerFont2.setFontHeightInPoints((short) 12); // 字体高度
headerFont2.setFontName("仿宋_GB2312"); // 字体
headerFont2.setColor(HSSFColor.BLACK.index); //颜色
headerStyle2.setFont(headerFont2);
// 添加excel title
HSSFCell titleCell = null;
for (int i = 0; i < header.length; i++) {
titleCell = row.createCell((short) i);
titleCell.setCellValue(header[i]);
if(i==10){
sheet.setColumnWidth(i, header[i].getBytes().length*2*265);
titleCell.setCellStyle(headerStyle2);
}else{
sheet.setColumnWidth(i, header[i].getBytes().length*2*200);
if(i==0||i==1||i==2||i==4||i==5||i==7||i==8||i==9||i==11||i==12||i==13||i==14){
titleCell.setCellStyle(headerStyle1);
}else{
titleCell.setCellStyle(headerStyle2);
}
}
}
// 第三行
HSSFRow row3= sheet.createRow((int) 2);
row3.setHeight((short) (34.5*17));
HSSFCell examplesCell = null;
for (int i = 0; i < examples.length; i++) {
examplesCell = row3.createCell((short) i);
examplesCell.setCellValue(examples[i]);
examplesCell.setCellStyle(headerStyle2);
}
String []str6=new String[]{"家宽预覆盖业务接入","干线","业务类"};
// 第六行
HSSFRow row7=sheet.createRow(6);
row7.setHeight((short) (34.5*17));
HSSFCell str6Cell = null;
for (int i = 0; i < 23; i++) {
str6Cell = row7.createCell((short) i);
str6Cell.setCellValue("");
}
for (int i = 23; i < 26; i++) {
str6Cell = row7.createCell((short) i);
str6Cell.setCellValue(str6[i-23]);
str6Cell.setCellStyle(headerStyle2);
}
String []str7=new String[]{"企业宽带预覆盖业务接入","汇聚层","迁改类"};
// 第七行
HSSFRow row8=sheet.createRow(7);
row8.setHeight((short) (34.5*17));
HSSFCell str7Cell = null;
for (int i = 0; i < 23; i++) {
str7Cell = row8.createCell((short) i);
str7Cell.setCellValue("");
}
for (int i = 23; i < 26; i++) {
str7Cell = row8.createCell((short) i);
str7Cell.setCellValue(str7[i-23]);
str7Cell.setCellStyle(headerStyle2);
}
// // 在sheet里创建第三行
// HSSFRow row3 = sheet.createRow(2);
// row3.createCell(0).setCellValue("花花");
// row3.createCell(1).setCellValue("一年级一班");
// row3.setHeight((short) (34.5*15));
//将excel的数据写入文件
ByteArrayOutputStream fos = null;
byte[] retArr = null;
try {
fos = new ByteArrayOutputStream();
wb.write(fos);
retArr = fos.toByteArray();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
try {
fos.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
String fileName="管道类清单明细模板";
OutputStream os = null;
try {
os = res.getOutputStream();
} catch (IOException e) {
e.printStackTrace();
}
try {
res.reset();
res.setContentType("application/octet-stream; charset=utf-8");
try {
res.setHeader("Content-Disposition", "attachment; filename="+java.net.URLEncoder.encode(fileName, "UTF-8")+".xls");//要保存的文件名
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
try {
os.write(retArr);
} catch (IOException e) {
e.printStackTrace();
}
try {
os.flush();
} catch (IOException e) {
e.printStackTrace();
}
} finally {
if (os != null) {
try {
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return "redirect:/index.jsp";
}