ExportUtil 导出工具类

package com.chinada.dms.utils;

import java.io.IOException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;

import cn.afterturn.easypoi.exception.excel.ExcelExportException;
import org.apache.poi.hpsf.Array;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class ExportUtil {

   public XSSFWorkbook getWorkbook() {
      return workbook;
   }

   public void setWorkbook(XSSFWorkbook workbook) {
      this.workbook = workbook;
   }

   public Sheet getSheet() {
      return sheet;
   }

   public void setSheet(Sheet sheet) {
      this.sheet = sheet;
   }

   private XSSFWorkbook workbook;
   private Sheet sheet;

   public ExportUtil(String sheetName) {
      workbook = new XSSFWorkbook();
      sheet = workbook.createSheet(sheetName);
   }

   /**
    * 设置标题行
    * 
    * @param rowNum 行号
    * @param data   数据
    */
   public void setHeadlineRow(int rowNum, List