基于apache POI excel导出，支持多列多条件。
Posted jerry_sun16
tags:
篇首语：本文由小常识网(cha138.com)小编为大家整理，主要介绍了基于apache POI excel导出，支持多列多条件。相关的知识，希望对你有一定的参考价值。
每次用到excel导出基本上都要重新写，这次是写了一个公共的，以后有想用的时侯直接复制就好，大部份都可以兼容，有问题后期再优化。
准备jar包
poi包:http://poi.apache.org/download.html
核心代码
import com.wd.common.anno.Merge;
import com.wd.common.utils.DateUtil;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.text.NumberFormat;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.apache.log4j.Logger;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFFont;
import org.apache.poi.hssf.usermodel.HSSFRichTextString;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hssf.util.HSSFColor;
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.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
/**
*
* <p>导出excel类</p>
* @ClassName: ExportExcelUtils
* @author: sunhr
* @date: 2016年8月9日 下午7:18:33
* @version: V2.0
*/
public class ExportExcelUtils<T>
/**
*
* <p>根据对象导出excel表格内容--泛型对象里面的属性顺序就已经确认了excel列的顺序，支持根据多个条件合并多列</p>
* @author sunhr
* @date 2016年9月30日 下午5:20:13
* @param workbook 是否想要多个sheet页
* @param sheetName sheet页名称
* @param heading 第一行标题
* @param titles 列头
* @param dataset 表格数据
* @param mergeCells 要合并的列 -->int[] mergeCells=0,1,2,3,4,9,10,11,12;，根据rowMergeFlag属性值是否相等判别要合并多少行（只要每一行的此属性值相等，便合并)
* @param total 合计数据
* @param cols 自定义列宽
* @return
* Workbook
*/
public Workbook ExportExcelMoreMergeCells(Workbook workbook,
String sheetName,
String heading,
String[] titles,
Collection<T> dataset,
Map<String,int[]> mergeCellsMap,
Map<String, Object> total,
Map<Integer, Integer> cols)
Workbook[] wbs = new Workbook[]new HSSFWorkbook(), new XSSFWorkbook();
//设置表格版本
Workbook wb = null;
if(workbook == null)
wb = wbs[0];
else
wb = workbook;
// 创建标题样式
CellStyle titleStyle = wb.createCellStyle();
titleStyle.setFillForegroundColor(HSSFColor.PALE_BLUE.index);
titleStyle.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND);
titleStyle.setBorderTop(CellStyle.BORDER_THIN);
titleStyle.setBorderLeft(CellStyle.BORDER_THIN);
titleStyle.setBorderRight(CellStyle.BORDER_THIN);
titleStyle.setBorderBottom(CellStyle.BORDER_THIN);
titleStyle.setAlignment(CellStyle.ALIGN_CENTER);
titleStyle.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
Font titleFont = wb.createFont();
titleFont.setColor(HSSFFont.COLOR_NORMAL);
titleFont.setFontHeightInPoints((short)11);
titleFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
titleStyle.setFont(titleFont);
// 创建内容样式
CellStyle dataStyle = wb.createCellStyle();
dataStyle.setBorderTop(CellStyle.BORDER_THIN);
dataStyle.setBorderLeft(CellStyle.BORDER_THIN);
dataStyle.setBorderRight(CellStyle.BORDER_THIN);
dataStyle.setBorderBottom(CellStyle.BORDER_THIN);
dataStyle.setAlignment(CellStyle.ALIGN_CENTER);
dataStyle.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
Font dataFont = wb.createFont();
dataFont.setFontHeightInPoints((short)11);
dataStyle.setFont(dataFont);
// 创建工作薄
Sheet sheet = wb.createSheet(sheetName);
sheet.setDefaultColumnWidth((short)17);// 默认列宽
sheet.createFreezePane(0, 2, 0, 2);
//设置列宽
if(cols != null)
for(Map.Entry<Integer, Integer> entry : cols.entrySet())
sheet.setColumnWidth(entry.getKey(), entry.getValue());
Row row = null;
Cell cell = null;
// 1. 创建标题(第一行)
row = sheet.createRow(0);
sheet.addMergedRegion(new CellRangeAddress(0, 0, 0, (short)(titles.length - 1)));// 合并标题列
row.setHeightInPoints(20);
cell = row.createCell(0);
cell.setCellValue(heading);
cell.setCellStyle(titleStyle);
// 2. 创建列头(第二行)
row = sheet.createRow(1);
row.setHeightInPoints(20);
for(short i = 0; i < titles.length; i++)
cell = row.createCell(i);
cell.setCellStyle(titleStyle);
HSSFRichTextString text = new HSSFRichTextString(titles[i]);
cell.setCellValue(text);
// 3. 创建内容
Iterator<T> it = dataset.iterator();
int index = 1;// 内容启始行
String[] rowMergeFlag = new String[mergeCellsMap.size()];// 要合并的数值标识
int[] startRow = new int[mergeCellsMap.size()];// 要合并的开始行号
// 初始化起始行
for(int i = 0; i < startRow.length; i++)
startRow[i] = index+1;
int[] endRow = new int[mergeCellsMap.size()];// 要合并的结束行号
int rowNumber = 1;// 合并后的行号
// 遍历行
while(it.hasNext())
index++;
row = sheet.createRow(index);
T t = it.next();
Field[] fields = t.getClass().getDeclaredFields();
// 遍历列
for(int i = 0; i < fields.length; i++)
Field field = fields[i];
String fieldName = field.getName();
String getMethodName = "get" + fieldName.substring(0, 1).toUpperCase() + fieldName.substring(1);
if(!getMethodName.contains("MergeFlag"))
cell = row.createCell(i);
cell.setCellStyle(dataStyle);
// 第一列为序号
if(i == 0)
cell.setCellValue(rowNumber);
continue;
Class tCls = t.getClass();
try
Method getMethod = tCls.getMethod(getMethodName, new Class[]);
Object value = getMethod.invoke(t, new Object[]);
String textVlaue = null;
if(value != null)
boolean continueFlag = false;
int mergeCellIndex = -1;
for(String key : mergeCellsMap.keySet())
mergeCellIndex++;
if(fieldName.equals(key))
if(rowMergeFlag[mergeCellIndex] != null)
// 验证上一行和下一行是否相等，进行合并。
if(rowMergeFlag[mergeCellIndex].equals(value.toString()))
endRow[mergeCellIndex] = index;
// 最后一行直接全并
if(!it.hasNext())
for(int j = 0; j < mergeCellsMap.get(key).length; j++)
sheet.addMergedRegion(new CellRangeAddress(startRow[mergeCellIndex], endRow[mergeCellIndex], mergeCellsMap.get(key)[j], mergeCellsMap.get(key)[j]));// 合并
else
// 不相等才进行合并
if(startRow[mergeCellIndex] < endRow[mergeCellIndex])
for(int j = 0; j < mergeCellsMap.get(key).length; j++)
sheet.addMergedRegion(new CellRangeAddress(startRow[mergeCellIndex], endRow[mergeCellIndex], mergeCellsMap.get(key)[j], mergeCellsMap.get(key)[j]));// 合并
// 行号
if(key.contains("MergeFlagKey"))
rowNumber++;
else
// 行号
if(key.contains("MergeFlagKey"))
rowNumber++;
startRow[mergeCellIndex] = index;
else
// 行号
if(key.contains("MergeFlagKey"))
rowNumber++;
rowMergeFlag[mergeCellIndex] = value.toString();
continueFlag = true;
// 如果有合并标志位，不用写入excel
if(continueFlag)
continue;
if(value instanceof Date)
Date date = (Date)value;
textVlaue = DateUtil.fmtDateToStr(date, "yyyy-MM-dd HH:mm:ss");
else if(value instanceof BigDecimal)
NumberFormat point = NumberFormat.getCurrencyInstance();
point.setMaximumFractionDigits(2);
textVlaue = point.format(value);
else
textVlaue = value.toString();
if(textVlaue != null)
HSSFRichTextString text = new HSSFRichTextString(textVlaue);
cell.setCellValue(text);
else
cell.setCellValue("");
catch(NoSuchMethodException e)
// TODO Auto-generated catch block
e.printStackTrace();
catch(SecurityException e)
// TODO Auto-generated catch block
e.printStackTrace();
catch(IllegalAccessException e)
// TODO Auto-generated catch block
e.printStackTrace();
catch(IllegalArgumentException e)
// TODO Auto-generated catch block
e.printStackTrace();
catch(InvocationTargetException e)
// TODO Auto-generated catch block
e.printStackTrace();
/** 合计处理 */
// 金额样式
CellStyle moneyStyle = wb.createCellStyle();
moneyStyle.setBorderTop(CellStyle.BORDER_THIN);
moneyStyle.setBorderLeft(CellStyle.BORDER_THIN);
moneyStyle.setBorderRight(CellStyle.BORDER_THIN);
moneyStyle.setBorderBottom(CellStyle.BORDER_THIN);
moneyStyle.setAlignment(CellStyle.ALIGN_RIGHT);
moneyStyle.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
Font moneyFont = wb.createFont();
moneyFont.setColor(HSSFColor.RED.index);
moneyFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
moneyStyle.setFont(moneyFont);
if(total != null)
if(!it.hasNext())
StringBuffer totalVal = new StringBuffer("合计 - ");
for(String key : total.keySet())
String textVlaue = null;
if(total.get(key) instanceof BigDecimal)
NumberFormat point = NumberFormat.getCurrencyInstance();
point.setMaximumFractionDigits(2);
textVlaue = point.format(total.get(key));
totalVal.append(key + ":").append(textVlaue + " ");
int lastRow = index + 1;
row = sheet.createRow(lastRow);
sheet.addMergedRegion(new CellRangeAddress(lastRow, lastRow, 0, (short)(titles.length - 1)));// 合并标题列
row.setHeightInPoints(20);
cell = row.createCell(0);
cell.setCellValue(totalVal.toString());
cell.setCellStyle(moneyStyle);
return wb;
调用导出的javabean
import com.wd.bi.financial.view.StudentConsumeListVW;
import com.wd.bi.financial.view.StudentConsumeVW;
import java.math.BigDecimal;
import java.text.NumberFormat;
/**
*
* <p>导出对象</p>
* @ClassName: ExportStudentConsume
* @author: sunhr
* @date: 2016年9月13日 上午9:52:10
* @version: V2.0
*/
public class ExportStudentConsume extends IExportStudentConsume
/* 标识，必须在第一行 */
private Integer serialNumber = 0; // 序号（必须要的属性）
/* 实际要输出的列 */
private String studentName;//学生姓名
// 合
private String schoolNameStr;
// 合
private String contactStr;
private String serialNum;
// 合
private String classPeriodNameStr;
private String teacherName;//授课教师
// 合
private String personalProgressStr;
private String attendCountStr;// 消耗
private String remindCountStr;//剩余
private BigDecimal projectRemindMoney = new BigDecimal(0);//项目剩余总金额
private BigDecimal studentAccount=new BigDecimal(0);//账户金额
private String manager;//班主任、学管
private String signName;//签单人
private String signTime;//首课时间
/* ............................................... */
/* 标识 必须在最后 (必须包含MergeFlag字符) */
private String studentIdMergeFlagKey ; //行合并标识(为Excel的主键，必须包含MergeFlagKey)
private String modelMergeFlag;// 行合并条件学生Model
public ExportStudentConsume()
super();
public void initialize(StudentConsumeListVW sc,StudentConsumeVW scv)
this.setStudentName(sc.getStudentName());
this.setSchoolName(sc.getSchoolName());
this.setStudentGradeName(sc.getStudentGradeName());
this.setContactMobile(sc.getContactMobile());
this.setContactName(sc.getContactName());
this.setSerialNum(scv.getSerialNum());
this.setClassPeriodName(scv.getClassPeriodName());
this.setPeriodNum(scv.getPeriodNum());
this.setTeacherName(scv.getTeacherName());
this.setPersonalProgress(scv.getPersonalProgress());
this.setCourseCount(scv.getCourseCount());
this.setAttendCount(scv.getAttendCount());
this.setAttendMoney(scv.getAttendMoney());
this.setRemindCount(scv.getRemindCount());
this.setRemindMoney(scv.getRemindMoney());
this.setChargeType(scv.getChargeType());
this.setProjectRemindMoney(scv.getProjectRemindMoney());
this.setStudentAccount(scv.getStudentAccount());
this.setManager(scv.getManager());
this.setSignName(scv.getSignName());
this.setSignTime(scv.getSignTime());
this.setStudentIdMergeFlagKey(String.valueOf(sc.getStudentId()));
this.setModelMergeFlag(String.valueOf(sc.getStudentId()+"-"+scv.getModel()));
public Integer getSerialNumber()
return serialNumber;
public void setSerialNumber(Integer serialNumber)
this.serialNumber = serialNumber;
public String getStudentName()
return studentName;
public void setStudentName(String studentName)
this.studentName = studentName;
public String getSchoolNameStr()
return String.format("%s %s", super.getSchoolName(),super.getStudentGradeName());
public String getContactStr()
return String.format("%s %s", super.getContactMobile(),super.getContactName());
public String getSerialNum()
return serialNum;
public void setSerialNum(String serialNum)
this.serialNum = serialNum;
public String getClassPeriodNameStr()
if(super.getPeriodNum() != null)
return String.format("%s %s", super.getClassPeriodName(),super.getPeriodNum());
return super.getClassPeriodName();
public String getTeacherName()
return teacherName;
public void setTeacherName(String teacherName)
this.teacherName = teacherName;
public String getPersonalProgressStr()
return String.format("%s/%s%s", super.getPersonalProgress(),super.getCourseCount(),super.getUnit());
public String getAttendCountStr()
NumberFormat point = NumberFormat.getCurrencyInstance();
point.setMaximumFractionDigits(2);
return String.format("%s %s%s", super.getAttendCount(),super.getUnit(),point.format(super.getAttendMoney()));
public String getRemindCountStr()
NumberFormat point = NumberFormat.getCurrencyInstance();
point.setMaximumFractionDigits(2);
return String.format("%s %s%s", super.getRemindCount(),super.getUnit(),point.format(super.getRemindMoney()));
public BigDecimal getProjectRemindMoney()
return projectRemindMoney;
public void setProjectRemindMoney(BigDecimal projectRemindMoney)
this.projectRemindMoney = projectRemindMoney;
public BigDecimal getStudentAccount()
return studentAccount;
public void setStudentAccount(BigDecimal studentAccount)
this.studentAccount = studentAccount;
public String getManager()
return manager;
public void setManager(String manager)
this.manager = manager;
public String getSignName()
return signName;
public void setSignName(String signName)
this.signName = signName;
public String getSignTime()
return signTime;
public void setSignTime(String signTime)
this.signTime = signTime;
public String getStudentIdMergeFlagKey()
return studentIdMergeFlagKey;
public void setStudentIdMergeFlagKey(String studentIdMergeFlagKey)
this.studentIdMergeFlagKey = studentIdMergeFlagKey;
public String getModelMergeFlag()
return modelMergeFlag;
public void setModelMergeFlag(String modelMergeFlag)
this.modelMergeFlag = modelMergeFlag;
import java.math.BigDecimal;
/**
*
* <p>导出对象(临时使用的属性，不做导出)</p>
* @ClassName: StudentConsumeExport
* @author: sunhr
* @date: 2016年9月12日 下午7:09:44
* @version: V2.0
*/
public class IExportStudentConsume
// 合
private String schoolName;//学校名称
private String studentGradeName;// 学级
// 合
private String contactName;//主联系人称谓
private String contactMobile;//主联系方式
// 合
private String classPeriodName;//学习项目（课程名称）
private Integer periodNum;//班级期数
// 合
private BigDecimal personalProgress=new BigDecimal(0);//个人进度
private BigDecimal courseCount=new BigDecimal(0);//报名次数
private BigDecimal attendCount=new BigDecimal(0);//本月消耗次数
private BigDecimal attendMoney=new BigDecimal(0);//本月消耗金额
private BigDecimal remindCount=new BigDecimal(0);//剩余次数
private BigDecimal remindMoney=new BigDecimal(0);//剩余金额
private Integer chargeType;///班级期收费标准
private String unit;// 单位
public String getSchoolName()
return schoolName;
public void setSchoolName(String schoolName)
this.schoolName = schoolName;
public String getStudentGradeName()
return studentGradeName;
public void setStudentGradeName(String studentGradeName)
this.studentGradeName = studentGradeName;
public String getContactName()
return contactName;
public void setContactName(String contactName)
this.contactName = contactName;
public String getContactMobile()
return contactMobile;
public void setContactMobile(String contactMobile)
this.contactMobile = contactMobile;
public String getClassPeriodName()
return classPeriodName;
public void setClassPeriodName(String classPeriodName)
this.classPeriodName = classPeriodName;
public Integer getPeriodNum()
return periodNum;
public void setPeriodNum(Integer periodNum)
this.periodNum = periodNum;
public BigDecimal getPersonalProgress()
return personalProgress;
public void setPersonalProgress(BigDecimal personalProgress)
this.personalProgress = personalProgress;
public BigDecimal getCourseCount()
return courseCount;
public void setCourseCount(BigDecimal courseCount)
this.courseCount = courseCount;
public BigDecimal getAttendCount()
return attendCount;
public void setAttendCount(BigDecimal attendCount)
this.attendCount = attendCount;
public BigDecimal getAttendMoney()
return attendMoney;
public void setAttendMoney(BigDecimal attendMoney)
this.attendMoney = attendMoney;
public BigDecimal getRemindCount()
return remindCount;
public void setRemindCount(BigDecimal remindCount)
this.remindCount = remindCount;
public BigDecimal getRemindMoney()
return remindMoney;
public void setRemindMoney(BigDecimal remindMoney)
this.remindMoney = remindMoney;
public Integer getChargeType()
return chargeType;
public void setChargeType(Integer chargeType)
this.chargeType = chargeType;
public String getUnit()
if(this.getChargeType() != null)
if(getChargeType() == 1 || getChargeType() == 2)
return "次";
else if(getChargeType() == 3 || getChargeType() == 4)
return "月";
else
return "课时";
return "";
// sheet页名称
String sheetName ="学生课耗分析";
/* 表头处理 */
StringBuffer topParam = headerProcess(studentConsumeParam);
/** .............................................................................. */
/* 合计 */
Map<String, Object> total = new LinkedHashMap<String, Object>();
total.put("课耗收入", studentConsumeParam.getAttendMoney());
total.put("剩余学费", studentConsumeParam.getRemindMoney());
total.put("个人账户", studentConsumeParam.getStudentAccount());
/** .............................................................................. */
// 合并列，必须和实体类一样key
int[] StudentId=new int[]0,1,2,3,10;
Map<String,int[]> mergeCellsMap=new HashMap<String,int[]>();
mergeCellsMap.put("studentIdMergeFlagKey", StudentId);
mergeCellsMap.put("modelMergeFlag", new int[]9);
// 设置指定列宽度
Map<Integer,Integer> cols=new HashMap<Integer,Integer>();
cols.put(4, 1000*2*4);
cols.put(5, 1000*2*5);
String topName = studentConsumeParam.getMonthNum()+"月份学生课耗统计-"+"("+topParam.toString()+")";
String[] title = "序号","姓名","学校","电话","电子票号","学习项目","授课教师","个人进度","产生课耗","剩余课耗","总剩余","个人账户","班主任/学管师","签单人","首课时间";
ExportExcelUtils<ExportStudentConsume> eet = new ExportExcelUtils<ExportStudentConsume>();
Workbook wb = eet.ExportExcelMoreMergeCells(null,sheetName, topName, title,exportstudentconsumeList,mergeCellsMap,total,cols);
HttpServletResponse resp = inv.getResponse();
try
resp.setHeader("Content-disposition", "attachment;filename="+new String(sheetName.getBytes("GB2312"),"ISO8859_1")+".xls");
OutputStream out = resp.getOutputStream();
wb.write(out);
out.close();
catch (UnsupportedEncodingException e)
e.printStackTrace();
catch (IOException e)
e.printStackTrace();
本文链接：http://blog.csdn.net/u010264560/article/details/52870301
本文作者：CSDN - jerry.sun
以上是关于基于apache POI excel导出，支持多列多条件。的主要内容，如果未能解决你的问题，请参考以下文章
sql2java-excel:基于apache poi实现数据库表的导出的spring web支持
sql2java-excel:基于apache poi实现数据库表的导出及支持spring web