Java 使用POI生成带联动下拉框

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.poi.hssf.usermodel.DVConstraint;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellstyle;
import org.apache.poi.hssf.usermodel.HSSFDataFormat;
import org.apache.poi.hssf.usermodel.HSSFDataValidation;
import org.apache.poi.hssf.usermodel.HSSFFont;
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.hssf.util.HSSFColor;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddressList;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-08-24 22:13  .idea\
     文件         630  2018-08-16 01:28  .idea\compiler.xml
     目录           0  2018-08-24 22:13  .idea\inspectionProfiles\
     目录           0  2018-08-24 22:04  .idea\libraries\
     文件         525  2018-08-21 13:15  .idea\libraries\Maven__com_sun_mail_javax_mail_1_6_0.xml
     文件         543  2018-08-24 22:04  .idea\libraries\Maven__commons_codec_commons_codec_1_10.xml
     文件         548  2018-08-21 13:15  .idea\libraries\Maven__io_github_biezhi_oh_my_email_0_0_3.xml
     文件         527  2018-08-21 13:15  .idea\libraries\Maven__javax_activation_activation_1_1.xml
     文件         605  2018-08-24 22:04  .idea\libraries\Maven__org_apache_commons_commons_collections4_4_1.xml
     文件         477  2018-08-24 22:04  .idea\libraries\Maven__org_apache_poi_poi_3_17.xml
     文件         439  2018-08-16 01:21  .idea\misc.xml
     文件         258  2018-08-16 01:19  .idea\modules.xml
     文件        8792  2018-08-16 01:21  .idea\uiDesigner.xml
     文件       32885  2018-08-24 22:13  .idea\workspace.xml
     文件        1251  2018-08-24 22:03  pom.xml
     目录           0  2018-08-16 01:19  src\
     目录           0  2018-08-16 01:19  src\main\
     目录           0  2018-08-24 22:09  src\main\java\
     文件        8750  2018-08-24 22:09  src\main\java\Excellinkage.java
     目录           0  2018-08-24 22:13  src\main\resources\
     目录           0  2018-08-16 01:19  src\test\
     目录           0  2018-08-24 22:13  src\test\java\
     文件        1412  2018-08-24 22:04  swingdemo.iml
     目录           0  2018-08-16 01:22  target\
     目录           0  2018-08-24 22:09  target\classes\
     文件        9485  2018-08-24 22:09  target\classes\Excellinkage.class
     目录           0  2018-08-21 13:24  target\classes\com\
     目录           0  2018-08-21 13:24  target\classes\com\intellij\
     目录           0  2018-08-21 13:24  target\classes\com\intellij\uiDesigner\
     目录           0  2018-08-21 13:24  target\classes\com\intellij\uiDesigner\core\
     文件        5033  2018-08-21 13:28  target\classes\com\intellij\uiDesigner\core\AbstractLayout.class
............此处省略12个文件信息