导出excel
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package com.dfjd.util;import java.awt.image.BufferedImage;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.List;import javax.imageio.ImageIO;import org.apache.poi.hssf.usermodel.HSSFCell;import org.apache.poi.hssf.usermodel.HSSFCellStyle;import org.apache.poi.hssf.usermodel.HSSFClientAnchor;import org.apache.poi.hssf.usermodel.HSSFFont;import org.apache.poi.hssf.usermodel.HSSFPatriarch;import org.apache.poi.hssf.usermodel.HSSFPrintSetup;import org.apache.poi.hssf.usermodel.HSSFRow;import org.apache.poi.hssf.usermodel.HSSFSheet;import org.apache.poi.hssf.usermodel.HSSFWorkbook;import org.apache.poi.ss.usermodel.Font;import org.apache.poi.ss.util.CellRangeAddress;import org.apache.struts2.ServletActionContext;import com.dfjd.bean.Appearance;import com.dfjd.bean.Lectotype;public class ExportLectotypeAppearanceExcel {public String ExportAppearance(Lectotype lectotype, Appearance appearance, String imgurl) throws Exception{/** * 以下为生成Excel操作 */SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");String date = sdf.format(lectotype.getLDate());// 1.创建一个workbook，对应一个Excel文件HSSFWorkbook wb = new HSSFWorkbook();// 2.在workbook中添加一个sheet，对应Excel中的一个sheetHSSFSheet sheet = wb.createSheet("东风机电-选型计算表");//设置打印属性HSSFPrintSetup print = (HSSFPrintSetup) sheet.getPrintSetup(); print.setScale((short) 80);//设置打印缩放72% sheet.setMargin(HSSFSheet.BottomMargin, (double)0.8); //页边距（下） sheet.setMargin(HSSFSheet.TopMargin, (double)0.9); //页边距（上） sheet.setHorizontallyCenter(true); //设置打印页面为水平居中 sheet.setVerticallyCenter(true); //设置打印页面为垂直居中 //logo图片写入 String realPath = ServletActionContext.getRequest().getSession().getServletContext().getRealPath("/"); ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream(); BufferedImage bufferImg = ImageIO.read(new FileInputStream(new File(realPath+"/"+imgurl))); ImageIO.write(bufferImg, "JPEG", byteArrayOut); HSSFPatriarch patriarch = (HSSFPatriarch) sheet.createDrawingPatriarch(); HSSFClientAnchor anchor = new HSSFClientAnchor(300, 5, 0, 0,(short) 0, 13, (short)8, 14); patriarch.createPicture(anchor, wb.addPicture(byteArrayOut.toByteArray(), HSSFWorkbook.PICTURE_TYPE_JPEG)); ByteArrayOutputStream byteArrayOut2 = new ByteArrayOutputStream(); BufferedImage bufferImg2 = ImageIO.read(new FileInputStream(new File(realPath+"/images/excellogo.png"))); ImageIO.write(bufferImg2, "png", byteArrayOut2); HSSFPatriarch patriarch2 = (HSSFPatriarch) sheet.createDrawingPatriarch(); HSSFClientAnchor anchor2 = new HSSFClientAnchor(0, 0, 0, 0,(short) 1, 0, (short)3, 1); patriarch2.createPicture(anchor2, wb.addPicture(byteArrayOut2.toByteArray(), HSSFWorkbook.PICTURE_TYPE_PNG)); /*sheet.getPrintSetup().setPaperSize( XSSFPrintSetup.A4_PAPERSIZE);*///设置列宽 第x列 宽度xxxxsheet.setColumnWidth(0, 3100); sheet.setColumnWidth(1, 2900); sheet.setColumnWidth(2, 2900); sheet.setColumnWidth(3, 2900); sheet.setColumnWidth(4, 3600); sheet.setColumnWidth(5, 2900); sheet.setColumnWidth(6, 2900); sheet.setColumnWidth(7, 2900);sheet.setColumnWidth(8, 2900);HSSFPrintSetup printSetup = sheet.getPrintSetup(); printSetup.setPaperSize(HSSFPrintSetup.A4_PAPERSIZE); // 纸张/** * 1 首行样式设置 */HSSFCellStyle cellStyle1 = wb.createCellStyle();//首行 新建font实体HSSFFont hssfFont1 = wb.createFont(); //首行 字体和大小 hssfFont1.setFontHeightInPoints((short)20);hssfFont1.setFontName("宋体"); //首行 粗体hssfFont1.setBoldweight(Font.BOLDWEIGHT_BOLD); //首行 将字体样式加入设置cellStyle1.setFont(hssfFont1); //首行 文字水平 垂直 居中cellStyle1.setAlignment(HSSFCellStyle.ALIGN_CENTER);cellStyle1.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);//边框样式cellStyle1.setBorderTop(HSSFCellStyle.BORDER_THIN);cellStyle1.setBorderRight(HSSFCellStyle.BORDER_THIN);cellStyle1.setBorderLeft(HSSFCellStyle.BORDER_THIN); /** * 2 字体为11号 宋体 加粗 全实线的样式设置 */ HSSFCellStyle cellStyle2 = wb.createCellStyle(); HSSFFont hssfFont2 = wb.createFont(); hssfFont2.setFontHeightInPoints((short)11); hssfFont2.setFontName("宋体"); hssfFont2.setBoldweight(Font.BOLDWEIGHT_BOLD); cellStyle2.setFont(hssfFont2); cellStyle2.setWrapText(true); cellStyle2.setAlignment(HSSFCellStyle.ALIGN_CENTER); cellStyle2.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER); //边框样式 cellStyle2.setBorderTop(HSSFCellStyle.BORDER_THIN);cellStyle2.setBorderLeft(HSSFCellStyle.BORDER_THIN);cellStyle2.setBorderRight(HSSFCellStyle.BORDER_THIN);cellStyle2.setBorderBottom(HSSFCellStyle.BORDER_THIN); /** * 3 字体为11号 宋体 细 全实线 的样式设置 */ HSSFCellStyle cellStyle3 = wb.createCellStyle(); HSSFFont hssfFont3 = wb.createFont(); hssfFont3.setFontHeightInPoints((short)11); hssfFont3.setFontName("宋体"); cellStyle3.setFont(hssfFont3); cellStyle3.setAlignment(HSSFCellStyle.ALIGN_CENTER); cellStyle3.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER); //边框样式 cellStyle3.setBorderTop(HSSFCellStyle.BORDER_THIN);cellStyle3.setBorderLeft(HSSFCellStyle.BORDER_THIN);cellStyle3.setBorderRight(HSSFCellStyle.BORDER_THIN);cellStyle3.setBorderBottom(HSSFCellStyle.BORDER_THIN); /** * 4 字体为 全实线 的边框样式设置 */ HSSFCellStyle cellStyle4 = wb.createCellStyle(); cellStyle4.setBorderTop(HSSFCellStyle.BORDER_THIN);cellStyle4.setBorderLeft(HSSFCellStyle.BORDER_THIN);cellStyle4.setBorderRight(HSSFCellStyle.BORDER_THIN);cellStyle4.setBorderBottom(HSSFCellStyle.BORDER_THIN); /** * 5 字体为 右边全实线 的边框样式设置 */ HSSFCellStyle cellStyle5 = wb.createCellStyle(); cellStyle5.setBorderRight(HSSFCellStyle.BORDER_THIN);/** * 6 字体为 左边全实线 的边框样式设置 */ HSSFCellStyle cellStyle6 = wb.createCellStyle(); cellStyle6.setBorderLeft(HSSFCellStyle.BORDER_THIN); //新建行对象HSSFRow row = null;List<HSSFRow> rowlist = new ArrayList<HSSFRow>();// 循环生成40行for (int i = 0; i < 15; i++) {row = sheet.createRow(i);rowlist.add(row);}//设置2到最后行行高for (int i = 1; i < rowlist.size(); i++) {rowlist.get(i).setHeight((short) 500);}System.out.println(rowlist.size());// 第一行数据for (int i = 0; i < 9; i++) {rowlist.get(0).createCell(i).setCellStyle(cellStyle4);}HSSFCell cell1 = rowlist.get(0).createCell(0);// 获取第一行第一列的单元格---// 合并前两行以及前5列CellRangeAddress cra1 = new CellRangeAddress(0, 0, 0, 8);//合并单元格边框设置sheet.addMergedRegion(cra1);cell1.setCellValue("安装尺寸图");// 写入首行内容//加载首行样式cell1.setCellStyle(cellStyle1);//设置首行 行高rowlist.get(0).setHeight((short) 1000);// 第二行数据HSSFCell cell2 = rowlist.get(1).createCell(0);// 创建序号为1的单元格，第二行第1格cell2.setCellValue("企业名称");// 合并前两行以及前5列CellRangeAddress cra2 = new CellRangeAddress(1, 1, 1, 8);//合并单元格边框设置sheet.addMergedRegion(cra2);//加载第二行样式cell2.setCellStyle(cellStyle2); //加入样式 合并单元格的样式for (int i = 1; i < 9; i++) {rowlist.get(1).createCell(i).setCellStyle(cellStyle3);}//获得被合并的单元格HSSFCell cellh1 = rowlist.get(1).createCell(1);cellh1.setCellValue(lectotype.getLQymc());cellh1.setCellStyle(cellStyle3);// 第三行数据HSSFCell cell3 = rowlist.get(2).createCell(0);// 创建序号为1的单元格，第二行第1格cell3.setCellValue("项目名称");// 合并前两行以及前5列CellRangeAddress cra3 = new CellRangeAddress(2, 2, 1, 8);//合并单元格边框设置sheet.addMergedRegion(cra3);//加载第三行样式cell3.setCellStyle(cellStyle2); //加入样式 合并单元格的样式for (int i = 1; i < 9; i++) {rowlist.get(2).createCell(i).setCellStyle(cellStyle3);}//获得被合并的单元格HSSFCell cellh2 = rowlist.get(2).createCell(1);cellh2.setCellValue(lectotype.getLXmmc());cellh2.setCellStyle(cellStyle3);// 第四行数据HSSFCell cell4 = rowlist.get(3).createCell(0);// 创建序号为1的单元格，第二行第1格cell4.setCellValue("用途名称");// 合并前两行以及前5列CellRangeAddress cra4 = new CellRangeAddress(3, 3, 1, 8);//合并单元格边框设置sheet.addMergedRegion(cra4);//加载第三行样式cell4.setCellStyle(cellStyle2); //加入样式 合并单元格的样式for (int i = 1; i < 9; i++) {rowlist.get(3).createCell(i).setCellStyle(cellStyle3);}//获得被合并的单元格HSSFCell cellh3 = rowlist.get(3).createCell(1);cellh3.setCellValue(lectotype.getLYt());cellh3.setCellStyle(cellStyle3);// 第五行数据//加入边框样式for (int i = 0; i < 9; i++) {rowlist.get(4).createCell(i).setCellStyle(cellStyle4);}HSSFCell cell5 = rowlist.get(4).createCell(0);// 创建序号为1的单元格，第二行第1格cell5.setCellValue("介质名称");sheet.addMergedRegion(new CellRangeAddress(4, 4, 1, 3));// 合并第二行的千两列HSSFCell cell6 = rowlist.get(4).createCell(1);// 创建序号为1的单元格，第二行第1格cell6.setCellValue(lectotype.getLJzmc());sheet.addMergedRegion(new CellRangeAddress(4, 4, 4, 5));// 合并第二行的千两列HSSFCell cell7 = rowlist.get(4).createCell(4);// 创建序号为1的单元格，第二行第1格cell7.setCellValue("状态");sheet.addMergedRegion(new CellRangeAddress(4, 4, 6, 8));// 合并第二行的千两列HSSFCell cell8 = rowlist.get(4).createCell(6);// 创建序号为1的单元格，第二行第1格cell8.setCellValue(lectotype.getLJzzt());//写入样式cell5.setCellStyle(cellStyle2);cell6.setCellStyle(cellStyle3);cell7.setCellStyle(cellStyle2);cell8.setCellStyle(cellStyle3);// 第六行数据//加入边框样式for (int i = 0; i < 9; i++) {rowlist.get(5).createCell(i).setCellStyle(cellStyle4);}HSSFCell cell9 = rowlist.get(5).createCell(0);// 创建序号为1的单元格，第二行第1格cell9.setCellValue("位号");sheet.addMergedRegion(new CellRangeAddress(5, 5, 1, 3));// 合并第二行的千两列HSSFCell cell10 = rowlist.get(5).createCell(1);// 创建序号为1的单元格，第二行第1格cell10.setCellValue(lectotype.getLWh());HSSFCell cell11 = rowlist.get(5).createCell(4);// 创建序号为1的单元格，第二行第1格cell11.setCellValue("台次/总台数");HSSFCell cell12 = rowlist.get(5).createCell(5);// 创建序号为1的单元格，第二行第1格cell12.setCellValue(lectotype.getLZts());HSSFCell cell13 = rowlist.get(5).createCell(6);// 创建序号为1的单元格，第二行第1格cell13.setCellValue("重量(kg)");sheet.addMergedRegion(new CellRangeAddress(5, 5, 7, 8));// 合并第二行的千两列HSSFCell cell14 = rowlist.get(5).createCell(7);// 创建序号为1的单元格，第二行第1格//判断温度的对特殊型号重量的影响String LCgqxh = lectotype.getLCgqxh();double wd = lectotype.getLCzwd();if(LCgqxh.equals("N50")|| LCgqxh.equals("C75")|| LCgqxh.equals("P50")){if(wd>=200){cell14.setCellValue(appearance.getAGwzl());}else{cell14.setCellValue(appearance.getADwzl());}}else{cell14.setCellValue(appearance.getADwzl());}//写入样式cell9.setCellStyle(cellStyle2);cell10.setCellStyle(cellStyle3);cell11.setCellStyle(cellStyle2);cell12.setCellStyle(cellStyle3);cell13.setCellStyle(cellStyle2);cell14.setCellStyle(cellStyle3);// 第七行数据//加入边框样式for (int i = 0; i < 9; i++) {rowlist.get(6).createCell(i).setCellStyle(cellStyle4);}HSSFCell cell15 = rowlist.get(6).createCell(0);// 创建序号为1的单元格，第二行第1格cell15.setCellValue("传感器型号");HSSFCell cell16 = rowlist.get(6).createCell(1);// 创建序号为1的单元格，第二行第1格cell16.setCellValue("安装方式");sheet.addMergedRegion(new CellRangeAddress(6, 6, 2, 5));// 合并第二行的千两列HSSFCell cell17 = rowlist.get(6).createCell(2);// 创建序号为1的单元格，第二行第1格cell17.setCellValue("法兰标准");sheet.addMergedRegion(new CellRangeAddress(6, 6, 6, 8));// 合并第二行的千两列HSSFCell cell18 = rowlist.get(6).createCell(6);// 创建序号为1的单元格，第二行第1格cell18.setCellValue("法兰尺寸DN(标配)");//写入样式cell15.setCellStyle(cellStyle2);cell16.setCellStyle(cellStyle2);cell17.setCellStyle(cellStyle2);cell18.setCellStyle(cellStyle2);// 第八行数据//加入边框样式for (int i = 0; i < 9; i++) {rowlist.get(7).createCell(i).setCellStyle(cellStyle4);}HSSFCell cell21 = rowlist.get(7).createCell(0);// 创建序号为1的单元格，第二行第1格cell21.setCellValue(appearance.getACgqxh());HSSFCell cell22 = rowlist.get(7).createCell(1);// 创建序号为1的单元格，第二行第1格cell22.setCellValue(appearance.getAAzfs());sheet.addMergedRegion(new CellRangeAddress(7, 7, 2, 5));// 合并第二行的千两列HSSFCell cell23 = rowlist.get(7).createCell(2);// 创建序号为1的单元格，第二行第1格cell23.setCellValue(appearance.getAFlbz());sheet.addMergedRegion(new CellRangeAddress(7, 7, 6, 8));// 合并第二行的千两列HSSFCell cell24 = rowlist.get(7).createCell(6);// 创建序号为1的单元格，第二行第1格cell24.setCellValue(appearance.getADn());//加入样式cell21.setCellStyle(cellStyle3);cell22.setCellStyle(cellStyle3);cell23.setCellStyle(cellStyle3);cell24.setCellStyle(cellStyle3);// 第九行数据HSSFCell cell19 = rowlist.get(8).createCell(0);// 创建序号为1的单元格，第二行第1格cell19.setCellValue("A");HSSFCell cell20 = rowlist.get(8).createCell(1);// 创建序号为1的单元格，第二行第1格cell20.setCellValue("B");HSSFCell cell27 = rowlist.get(8).createCell(2);cell27.setCellValue("C");HSSFCell cell28 = rowlist.get(8).createCell(3);cell28.setCellValue("D");HSSFCell cell29 = rowlist.get(8).createCell(4);cell29.setCellValue("E");HSSFCell cell30 = rowlist.get(8).createCell(5);cell30.setCellValue("F");HSSFCell cell31 = rowlist.get(8).createCell(6);cell31.setCellValue("H");HSSFCell cell32 = rowlist.get(8).createCell(7);cell32.setCellValue("I");HSSFCell cell33 = rowlist.get(8).createCell(8);cell33.setCellValue("L");//加入样式cell19.setCellStyle(cellStyle2);cell20.setCellStyle(cellStyle2);cell27.setCellStyle(cellStyle2);cell28.setCellStyle(cellStyle2);cell29.setCellStyle(cellStyle2);cell30.setCellStyle(cellStyle2);cell31.setCellStyle(cellStyle2);cell32.setCellStyle(cellStyle2);cell33.setCellStyle(cellStyle2);// 第十行数据HSSFCell cell25 = rowlist.get(9).createCell(0);// 创建序号为1的单元格，第二行第1格cell25.setCellValue(appearance.getAAcs());HSSFCell cell26 = rowlist.get(9).createCell(1);cell26.setCellValue(appearance.getABcs());HSSFCell cell36 = rowlist.get(9).createCell(2);cell36.setCellValue(appearance.getACcs());HSSFCell cell37 = rowlist.get(9).createCell(3);cell37.setCellValue(appearance.getADcs());HSSFCell cell38 = rowlist.get(9).createCell(4);cell38.setCellValue(appearance.getAEcs());HSSFCell cell39 = rowlist.get(9).createCell(5);cell39.setCellValue(appearance.getAFcs());HSSFCell cell40 = rowlist.get(9).createCell(6);cell40.setCellValue(appearance.getAHcs());HSSFCell cell41 = rowlist.get(9).createCell(7);cell41.setCellValue(appearance.getAIcs());HSSFCell cell42 = rowlist.get(9).createCell(8);cell42.setCellValue(appearance.getALcs());//加入样式cell25.setCellStyle(cellStyle3);cell26.setCellStyle(cellStyle3);cell36.setCellStyle(cellStyle3);cell37.setCellStyle(cellStyle3);cell38.setCellStyle(cellStyle3);cell39.setCellStyle(cellStyle3);cell40.setCellStyle(cellStyle3);cell41.setCellStyle(cellStyle3);cell42.setCellStyle(cellStyle3);//第十一行数据HSSFCell cell34 = rowlist.get(10).createCell(0);cell34.setCellValue("M");HSSFCell cell35 = rowlist.get(10).createCell(1);cell35.setCellValue("N");HSSFCell cell45 = rowlist.get(10).createCell(2);cell45.setCellValue("K");HSSFCell cell46 = rowlist.get(10).createCell(3);cell46.setCellValue("Q");HSSFCell cell47 = rowlist.get(10).createCell(4);cell47.setCellValue("S");HSSFCell cell48 = rowlist.get(10).createCell(5);cell48.setCellValue("T");HSSFCell cell49 = rowlist.get(10).createCell(8);cell49.setCellValue("");//加入样式cell34.setCellStyle(cellStyle2);cell35.setCellStyle(cellStyle2);cell45.setCellStyle(cellStyle2);cell46.setCellStyle(cellStyle2);cell47.setCellStyle(cellStyle2);cell48.setCellStyle(cellStyle2);cell49.setCellStyle(cellStyle5);//第十二行数据HSSFCell cell50 = rowlist.get(11).createCell(0);cell50.setCellValue(appearance.getAMcs());HSSFCell cell51 = rowlist.get(11).createCell(1);cell51.setCellValue(appearance.getANcs());HSSFCell cell52 = rowlist.get(11).createCell(2);cell52.setCellValue(appearance.getAKcs());HSSFCell cell53 = rowlist.get(11).createCell(3);cell53.setCellValue(appearance.getAQcs());HSSFCell cell531 = rowlist.get(11).createCell(4);cell531.setCellValue(appearance.getAScs());HSSFCell cell532 = rowlist.get(11).createCell(5);cell532.setCellValue(appearance.getATcs());HSSFCell cell54 = rowlist.get(11).createCell(8);cell54.setCellValue("");//加入样式cell50.setCellStyle(cellStyle3);cell51.setCellStyle(cellStyle3);cell52.setCellStyle(cellStyle3);cell53.setCellStyle(cellStyle3);cell531.setCellStyle(cellStyle3);cell532.setCellStyle(cellStyle3);cell54.setCellStyle(cellStyle5);//第十三行为空数据HSSFCell cell100 = rowlist.get(12).createCell(0);cell100.setCellStyle(cellStyle6);HSSFCell cell55 = rowlist.get(12).createCell(8);cell55.setCellStyle(cellStyle5);//第十四行数据 待写入图片//加入边框样式for (int i = 0; i < 9; i++) {rowlist.get(13).createCell(i).setCellStyle(cellStyle4);}//设置行高rowlist.get(13).setHeight((short) 30000);sheet.addMergedRegion(new CellRangeAddress(13, 13, 0, 8));HSSFCell cell56 = rowlist.get(13).createCell(0);cell56.setCellValue("");cell56.setCellStyle(cellStyle4);//第十五行数据 //加入边框样式for (int i = 0; i < 9; i++) {rowlist.get(14).createCell(i).setCellStyle(cellStyle4);}sheet.addMergedRegion(new CellRangeAddress(14, 14, 0, 8));HSSFCell cell57 = rowlist.get(14).createCell(0);cell57.setCellStyle(cellStyle4);// excel名加上随机数，防止名称重复//int code = (int) (Math.random() * 9000 + 1000);String excel = "F:/" + date +"-"+ lectotype.getLQymc() +"-"+ lectotype.getLJzmc() + "外型尺寸表.xls";FileOutputStream out = new FileOutputStream(excel);wb.write(out);out.flush();out.close();//返回导出计算书的名称return date +"-"+ lectotype.getLQymc() +"-"+ lectotype.getLJzmc() + "外型尺寸表.xls" ;}}package com.dfjd.util;import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileInputStream;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class Download { //下载模版工具类 public void downloadFile(HttpServletRequest request, HttpServletResponse response,String fileName) throws Exception { response.setContentType("text/html;charset=UTF-8"); BufferedInputStream in = null; BufferedOutputStream out = null; request.setCharacterEncoding("UTF-8"); try { File f = new File("F:/" + fileName); response.setContentType("application/x-excel"); response.setCharacterEncoding("UTF-8"); response.setHeader("Content-Disposition", "attachment; filename="+new String(fileName.getBytes("gbk"),"iso-8859-1")); response.setHeader("Content-Length",String.valueOf(f.length())); in = new BufferedInputStream(new FileInputStream(f)); out = new BufferedOutputStream(response.getOutputStream()); byte[] data = new byte[1024]; int len = 0; while (-1 != (len=in.read(data, 0, data.length))) { out.write(data, 0, len); } } catch (Exception e) { e.printStackTrace(); } finally { if (in != null) { in.close(); } if (out != null) { out.close(); } } }}//导出某条选型记录的选型计算书public void exportLectotype() throws Exception{HttpServletRequest request = ServletActionContext.getRequest();HttpServletResponse response = ServletActionContext.getResponse();String LId = request.getParameter("LId");//调用查询指定选型记录id的方法List<Object> msglist = lectotypeBIZ.LectotypeDetilsService(LId,null);//将查到的结果传至导出计算书的方法中ExportLectotypeRecordExcel exportlectotype = new ExportLectotypeRecordExcel();String addr = exportlectotype.ExportLectotype((Lectotype)msglist.get(0), (Calculate)msglist.get(1));Download download = new Download();download.downloadFile(request, response, addr);}阅读全文
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