poi 实现下拉框级联选择省市

import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.poi.hssf.usermodel.DVConstraint;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFDataValidation;
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.DataValidation;
import org.apache.poi.ss.usermodel.Name;
import org.apache.poi.ss.util.CellRangeAddressList;

/**
 * POI操作excel级联选择省市
 * @author liubenlong
 * 
 */
public class CascadeComboBox {

 public static void main(String [] args) throws IOException {  
         HSSFWorkbook workbook = new HSSFWorkbook();//excel文件对象  
         HSSFSheet userinfosheet1 = workbook.createSheet();//工作表对象
         //创建一个隐藏sheet
         CascadeComboBox.createHideSheet(workbook, "dictionary");
         //设置名称数据集
         CascadeComboBox.creatExcelNameList(workbook);
         //创建一行数据
         CascadeComboBox.creatAppRow(userinfosheet1, "许果",1);
         CascadeComboBox.creatAppRow(userinfosheet1, "刘德华",2);
         CascadeComboBox.creatAppRow(userinfosheet1, "刘本龙",3);

         //生成输入文件
         FileOutputStream out=new FileOutputStream("d:/success.xls");  
         workbook.write(out);  
         out.close();
     }

 /**
  * 名称管理
  * @param workbook
  */
 public static void creatExcelNameList(HSSFWorkbook workbook){
         Name name = workbook.createName();
         name.setNameName("province");
         name.setRefersToFormula("dictionary!$A$1:$E$1");

         name = workbook.createName();
         name.setNameName("浙江");
         name.setRefersToFormula("dictionary!$B$2:$K$2");

         name = workbook.createName();
         name.setNameName("山东");
         name.setRefersToFormula("dictionary!$B$3:$I$3");

         name = workbook.createName();
         name.setNameName("江西");
         name.setRefersToFormula("dictionary!$B$4:$E$4");

         name = workbook.createName();
         name.setNameName("江苏");
         name.setRefersToFormula("dictionary!$B$5:$I$5");

         name = workbook.createName();
         name.setNameName("四川");
         name.setRefersToFormula("dictionary!$B$6:$K$6");
 }


 /**
  * 创建隐藏sheet保存用于选择的数据字典信息
  * @param workbook
  * @param hideSheetName
  */
 public static void createHideSheet(HSSFWorkbook workbook,String hideSheetName){
 HSSFSheet dictionary = workbook.createSheet(hideSheetName);//隐藏一些信息
         //设置下拉列表的内容  
         String[] provinceList = {"浙江","山东","江西","江苏","四川"};
         String[] zjProvinceList = {"浙江","杭州","宁波","温州","台州","绍兴","金华","湖州","丽水","衢州","舟山"};
         String[] sdProvinceList = {"山东","济南","青岛","烟台","东营","菏泽","淄博","济宁","威海"};
         String[] jxProvinceList = {"江西","南昌","新余","鹰潭","抚州"};
         String[] jsProvinceList = {"江苏","南京","苏州","无锡","常州","南通","泰州","连云港","徐州"};
         String[] scProvinceList = {"四川","成都","绵阳","自贡","泸州","宜宾","攀枝花","广安","达州","广元","遂宁"};
         //在隐藏页设置选择信息
         HSSFRow provinceRow = dictionary.createRow(0);
         CascadeComboBox.creatRow(provinceRow, provinceList);
         HSSFRow zjProvinceRow = dictionary.createRow(1);
         CascadeComboBox.creatRow(zjProvinceRow, zjProvinceList);
         HSSFRow sdProvinceRow = dictionary.createRow(2);
         CascadeComboBox.creatRow(sdProvinceRow, sdProvinceList);
         HSSFRow jxProvinceRow = dictionary.createRow(3);
         CascadeComboBox.creatRow(jxProvinceRow, jxProvinceList);
         HSSFRow jsProvinceRow = dictionary.createRow(4);
         CascadeComboBox.creatRow(jsProvinceRow, jsProvinceList);
         HSSFRow scProvinceRow = dictionary.createRow(5);
         CascadeComboBox.creatRow(scProvinceRow, scProvinceList);
         //设置隐藏页标志
         workbook.setSheetHidden(workbook.getSheetIndex(hideSheetName), true);
 }

 /**
  * 创建一列应用数据
  * @param userinfosheet1
  * @param userName
  */
 public static void creatAppRow(HSSFSheet sheet,String userName,int naturalRowIndex){
//构造一个信息输入表单，用户姓名，出生省份，出生城市
         //要求省份是可以下拉选择的，出生城市根据所选择的省份级联下拉选择
         //在第一行第一个单元格，插入下拉框
         HSSFRow row = sheet.createRow(naturalRowIndex-1);
         HSSFCell provinceLableCell = row.createCell(0);
         provinceLableCell.setCellValue("省份:");
         HSSFCell provinceCell = row.createCell(1);
         provinceCell.setCellValue("请选择");
         HSSFCell cityLableCell = row.createCell(2);
         cityLableCell.setCellValue("城市:");
         HSSFCell cityCell = row.createCell(3);
         cityCell.setCellValue("请选择");

         //得到验证对象  
         DataValidation validation = CascadeComboBox.getDataValidationByFormula("province",naturalRowIndex,2);
         //工作表添加验证数据  
         sheet.addValidationData(validation);


         /*
          * 网上很多资料都是错的 。这里INDIRECT($B1)D后面必须是1，excel会自动处理
          */
         validation = CascadeComboBox.getDataValidationByFormula("INDIRECT($B1)",naturalRowIndex,4);
         //工作表添加验证数据  
         sheet.addValidationData(validation);
 }

 /**
  * 创建一列数据
  * @param currentRow
  * @param textList
  */
 public static void creatRow(HSSFRow currentRow,String[] textList){
 if(textList!=null&&textList.length>0){
 int i = 0;
 for(String cellValue : textList){
 HSSFCell cell = currentRow.createCell(i++);
         cell.setCellValue(cellValue);
 }
 }
 }

     /**
      * 使用已定义的数据源方式设置一个数据验证
      * @param formulaString
      * @param naturalRowIndex
      * @param naturalColumnIndex
      * @return
      */
     public static DataValidation getDataValidationByFormula(String formulaString,int naturalRowIndex,int naturalColumnIndex){
         //创建公式约束（数据有效性）
     DVConstraint constraint = DVConstraint.createFormulaListConstraint(formulaString); 

         int firstRow = naturalRowIndex-1;
         int lastRow = naturalRowIndex-1;
         int firstCol = naturalColumnIndex-1;
         int lastCol = naturalColumnIndex-1;
         CellRangeAddressList regions=new CellRangeAddressList(firstRow,lastRow,firstCol,lastCol);  
         //数据有效性对象 
         DataValidation validation = new HSSFDataValidation(regions,constraint);
         return validation;  
     }
}

 开发环境（一些包可能没用到，我直接从demo项目中截的图）：