文件导出成excel-java

于 2017-12-05 10:54:42 发布
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分类专栏： java功能 文章标签： java
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本文链接：https://blog.youkuaiyun.com/tianxin0928/article/details/78717306
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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
 */
@Controller
public class DownloadAct {
	
	@Autowired
	private ChiefService chiefService;
	@Autowired
	private 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;
		    }
}



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