文件导出成excel-java
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1、新建一个Excel文档工具类
package com.offcial.util;import java.util.List;import java.util.Map;import org.apache.poi.hssf.usermodel.HSSFWorkbook;import org.apache.poi.ss.usermodel.Cell;import org.apache.poi.ss.usermodel.CellStyle;import org.apache.poi.ss.usermodel.Font;import org.apache.poi.ss.usermodel.IndexedColors;import org.apache.poi.ss.usermodel.Row;import org.apache.poi.ss.usermodel.Sheet;import org.apache.poi.ss.usermodel.Workbook;/** * 导出Excel文档工具类 * @author * @date * */public class ExcelUtil { /** * 创建excel文档， * @param list 数据 * @param keys list中map的key数组集合 * @param columnNames excel的列名 * */ public static Workbook createWorkBook(List<Map<String, Object>> list,String []keys,String columnNames[]) { // 创建excel工作簿 Workbook wb = new HSSFWorkbook(); // 创建第一个sheet（页），并命名 Sheet sheet = wb.createSheet(list.get(0).get("sheetName").toString()); // 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。 for(int i=0;i<keys.length;i++){ sheet.setColumnWidth((short) i, (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(); // 创建两种字体 Font f = wb.createFont(); Font f2 = wb.createFont(); // 创建第一种字体样式（用于列名） f.setFontHeightInPoints((short) 10); f.setColor(IndexedColors.BLACK.getIndex()); f.setBoldweight(Font.BOLDWEIGHT_BOLD); // 创建第二种字体样式（用于值） f2.setFontHeightInPoints((short) 10); f2.setColor(IndexedColors.BLACK.getIndex());// Font f3=wb.createFont();// f3.setFontHeightInPoints((short) 10);// f3.setColor(IndexedColors.RED.getIndex()); // 设置第一种单元格的样式（用于列名） cs.setFont(f); /* cs.setBorderLeft(CellStyle.BORDER_THIN); cs.setBorderRight(CellStyle.BORDER_THIN); cs.setBorderTop(CellStyle.BORDER_THIN); cs.setBorderBottom(CellStyle.BORDER_THIN);*/ cs.setAlignment(CellStyle.ALIGN_CENTER); // 设置第二种单元格的样式（用于值） cs2.setFont(f2); /* cs2.setBorderLeft(CellStyle.BORDER_THIN); cs2.setBorderRight(CellStyle.BORDER_THIN); cs2.setBorderTop(CellStyle.BORDER_THIN); cs2.setBorderBottom(CellStyle.BORDER_THIN);*/ cs2.setAlignment(CellStyle.ALIGN_CENTER); //设置列名 for(int i=0;i<columnNames.length;i++){ Cell cell = row.createCell(i); cell.setCellValue(columnNames[i]); cell.setCellStyle(cs); } //设置每行每列的值 for (short i = 1; i < list.size(); 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 row1 = sheet.createRow((short) i); // 在row行上创建一个方格 for(short j=0;j<keys.length;j++){ Cell cell = row1.createCell(j); cell.setCellValue(list.get(i).get(keys[j]) == null?" ": list.get(i).get(keys[j]).toString()); cell.setCellStyle(cs2); } } return wb; }}2、导出数据的信息
package com.offcial.controller;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Controller;import org.springframework.web.bind.annotation.RequestMapping;import com.offcial.entity.ChiefUser;import com.offcial.entity.Finance;import com.offcial.entity.SalesmanUser;import com.offcial.service.ChiefService;import com.offcial.service.FinanceService;import com.offcial.util.ExcelUtil;import com.offcial.util.JobNumberCheck;import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;import java.util.ArrayList;import java.util.Calendar;import java.util.Date;import java.util.HashMap;import java.util.List;import java.util.Map;import javax.servlet.ServletOutputStream;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;/* * 导出 */@Controllerpublic class DownloadAct {@Autowiredprivate ChiefService chiefService;@Autowiredprivate FinanceService financeService;//开户信息导出上个月 @RequestMapping(value="/download_customer",produces="text/html;charset=utf-8") public String download(HttpServletRequest request,HttpServletResponse response) throws IOException{ Date date=new Date(); Calendar c = Calendar.getInstance(); c.setTime(date); int year= c.get(Calendar.YEAR); //获取完整的年份(4位,1970-????) int month= c.get(Calendar.MONTH); //获取当前月份(0-11,0代表1月) int day= c.get(Calendar.DAY_OF_MONTH); String fileName =String.valueOf(year) +"年"+ String.valueOf(month)+"月份商家表"; // String fileName="excel文件"; //填充ChiefUser数据 List<ChiefUser> chiefUsers=chiefService.chiefMonthQuery(); List<Map<String,Object>> list=createExcelRecord(chiefUsers); String columnNames[]={"登陆名","用户名","商家类型","手机号","余额","上级商家","业务员"};//列名 String keys[] = {"loginName","userName","type","phone","monery","parentChief","jobNumber"};//map中的key ByteArrayOutputStream os = new ByteArrayOutputStream(); try { ExcelUtil.createWorkBook(list,keys,columnNames).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((fileName + ".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; } private List<Map<String, Object>> createExcelRecord(List<ChiefUser> chiefUsers) { List<Map<String, Object>> listmap = new ArrayList<Map<String, Object>>(); Map<String, Object> map = new HashMap<String, Object>(); map.put("sheetName", "sheet1"); listmap.add(map); ChiefUser chiefUser=null; for (int j = 0; j < chiefUsers.size(); j++) { chiefUser=chiefUsers.get(j); Map<String, Object> mapValue = new HashMap<String, Object>(); String keys[] = {"userName","type","phone","monery","parentChief","jobNumber"};//map中的key int type=chiefUser.getType(); String ty=""; if(type==0){ty="普通商家";}else if(type==1){ty="运营商";}else if(type==2){ ty="一星商家";}else if(type==3){ty="二星商家";}else if(type==4){ty="三星商家";} /* int parentChief=chiefUser.getParentChief(); String pc=""; if(parentChief==84){ pc="安徽运营中心"; }else if(parentChief==95){ pc="邳州运营中心"; }else if(parentChief==240){ pc="萧县运营中心"; }*/ String JobNumber = chiefUser.getJobNumber();List<SalesmanUser> list= chiefService.jobNumberQuery();if(list !=null){if(list.size()>0){for(SalesmanUser sal :list){if(JobNumber.equals(sal.getJobNumber())){String jobNum=sal.getJobNumber()+":"+sal.getName();chiefUser.setJobNum(jobNum);}}}}//商家的判断int parChief=chiefUser.getParentChief();List<ChiefUser> lists= chiefService.chiefTypeQuery();if(lists !=null){if(lists.size()>0){for(ChiefUser chief:lists){if(parChief==chief.getId()){chiefUser.setParChief(chief.getLoginName());}}}} String jobNumber=chiefUser.getJobNumber(); mapValue.put("loginName", chiefUser.getLoginName()); mapValue.put("userName", chiefUser.getUserName()); mapValue.put("type", ty); mapValue.put("phone", chiefUser.getPhone()); mapValue.put("monery", chiefUser.getMonery()); mapValue.put("parentChief", chiefUser.getParChief()); mapValue.put("jobNumber", chiefUser.getJobNum()); listmap.add(mapValue); } return listmap; } //开户信息导出选定的日期 @RequestMapping(value="/export_customer",produces="text/html;charset=utf-8") public String export_customer(HttpServletRequest request,HttpServletResponse response) throws IOException{ String startingTime=request.getParameter("startingTime"); String endTime=request.getParameter("endTime"); String fileName =startingTime +"-"+ endTime+"商家表"; // String fileName="excel文件"; //填充ChiefUser数据 List<ChiefUser> chiefUsers=chiefService.chiefTimeQuery(startingTime,endTime); List<Map<String,Object>> list=exportCustomerRecord(chiefUsers); String columnNames[]={"登陆名","用户名","商家类型","手机号","余额","上级商家","业务员"};//列名 String keys[] = {"loginName","userName","type","phone","monery","parentChief","jobNumber"};//map中的key ByteArrayOutputStream os = new ByteArrayOutputStream(); try { ExcelUtil.createWorkBook(list,keys,columnNames).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((fileName + ".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; } private List<Map<String, Object>> exportCustomerRecord(List<ChiefUser> chiefUsers) { List<Map<String, Object>> listmap = new ArrayList<Map<String, Object>>(); Map<String, Object> map = new HashMap<String, Object>(); map.put("sheetName", "sheet1"); listmap.add(map); ChiefUser chiefUser=null; for (int j = 0; j < chiefUsers.size(); j++) { chiefUser=chiefUsers.get(j); Map<String, Object> mapValue = new HashMap<String, Object>(); String keys[] = {"userName","type","phone","monery","parentChief","jobNumber"};//map中的key int type=chiefUser.getType(); String ty=""; if(type==0){ty="普通商家";}else if(type==1){ty="运营商";}else if(type==2){ ty="一星商家";}else if(type==3){ty="二星商家";}else if(type==4){ty="三星商家";} /* int parentChief=chiefUser.getParentChief(); String pc=""; if(parentChief==84){ pc="安徽运营中心"; }else if(parentChief==95){ pc="邳州运营中心"; }else if(parentChief==240){ pc="萧县运营中心"; }*/ //业务员的判断String JobNumber = chiefUser.getJobNumber();List<SalesmanUser> list= chiefService.jobNumberQuery();if(list !=null){if(list.size()>0){for(SalesmanUser sal :list){if(JobNumber.equals(sal.getJobNumber())){String jobNum=sal.getJobNumber()+":"+sal.getName();chiefUser.setJobNum(jobNum);}}}}//商家的判断int parChief=chiefUser.getParentChief();List<ChiefUser> lists= chiefService.chiefTypeQuery();if(lists !=null){if(lists.size()>0){for(ChiefUser chief:lists){if(parChief==chief.getId()){chiefUser.setParChief(chief.getLoginName());}}}} String jobNumber=chiefUser.getJobNumber(); mapValue.put("loginName", chiefUser.getLoginName()); mapValue.put("userName", chiefUser.getUserName()); mapValue.put("type", ty); mapValue.put("phone", chiefUser.getPhone()); mapValue.put("monery", chiefUser.getMonery()); mapValue.put("parentChief", chiefUser.getParChief()); mapValue.put("jobNumber", chiefUser.getJobNum()); listmap.add(mapValue); } return listmap; }//报表的导出 @RequestMapping(value="/download_finance",produces="text/html;charset=utf-8") public String download_finance(HttpServletRequest request,HttpServletResponse response) throws IOException{ String startingTime=request.getParameter("startingTime"); String endTime=request.getParameter("endTime"); String fileName =startingTime +"-"+ endTime+"财务报表"; // String fileName="excel文件"; //填充Finance数据 List<Finance> finances=financeService.finTimeQuery(startingTime,endTime); List<Map<String,Object>> list=financeExcelRecord(finances); String columnNames[]={"客户名称","金额","说明","类型","创建时间","操作人工号"};//列名 String keys[] = {"userName","money","explains","type","createTime","creatorNumber"};//map中的key ByteArrayOutputStream os = new ByteArrayOutputStream(); try { ExcelUtil.createWorkBook(list,keys,columnNames).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((fileName + ".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; } private List<Map<String, Object>> financeExcelRecord(List<Finance> finances) { List<Map<String, Object>> listmap = new ArrayList<Map<String, Object>>(); Map<String, Object> map = new HashMap<String, Object>(); map.put("sheetName", "sheet1"); listmap.add(map); Finance finance=null; for (int j = 0; j < finances.size(); j++) { finance=finances.get(j); Map<String, Object> mapValue = new HashMap<String, Object>(); String keys[] = {"userName","money","explains","type","createTime","creatorNumber"};//map中的key String type=finance.getType(); if(type.equals("0")){ type="开户充值";}else if(type.equals("1")){type="客服修改";}else if(type.equals("2")){type="线上充值";} mapValue.put("userName", finance.getUserName()); mapValue.put("money", finance.getMoney()); mapValue.put("explains", finance.getExplains()); mapValue.put("type", type); mapValue.put("createTime", finance.getCreateTime()); mapValue.put("createTime", finance.getCreatorNumber()); listmap.add(mapValue); } return listmap; }}阅读全文
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