工作中遇到了将1.xlsx，2.xlsx，3.xlsx，4.xlsx，5.xlsx几个文件的名称为newstoreinfo的sheet内容合并到info.xlsx文件里名称为storeinfo的sheet中，留作备用
package com.cn.my.xlsx;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import org.apache.poi.hssf.usermodel.HSSFCell;
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.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;
import com.cn.my.xlsx.NewStore;
//import lombok.experimental.var;
/**
* 读取.xlsx文件内容并保存为.xlsx类型文件
* @author wangc
*
*/
public class ExportExcelTest {
@SuppressWarnings("rawtypes")
public static List<NewStore> getEmployeesList() throws Exception{
List<NewStore> employeesList=new ArrayList<NewStore>();
String files="D:\\newstore\\";//文件目录
File file=new File(files);
File [] dir=file.listFiles();//获取文件列表
System.out.println(dir.length);
for(int j=0;j<dir.length;j++) {
String name=dir[j].getName();//获取该目录下所有文件的名称
//判断文件后缀
if(name.endsWith("xlsx")) {
String pathname=files+name;//文件的绝对路径下面的getWorkbook需要
System.out.println(pathname);
InputStream iStream=new FileInputStream(pathname);
//XSSFWorkbook book=new XSSFWorkbook(iStream);
Workbook book=WorkbookFactory.create(iStream);
//获取文件名为newstoreinfo的sheet
//XSSFSheet sheet=book.getSheet("newstoreinfo");
Sheet sheet=book.getSheet("newstoreinfo");
//获取行数
int rows=sheet.getLastRowNum();
System.out.println("该excel表的数据有："+rows+"行");
//从第二行获取数据因为第一行是标题
for(int i=1;i<=rows;i++) {
NewStore info=new NewStore();
info.setStoreName(sheet.getRow(i).getCell(0).getStringCellValue());
System.out.println("StoreName:"+sheet.getRow(i).getCell(0).getStringCellValue());
info.setStoreCode(sheet.getRow(i).getCell(1).getStringCellValue());
System.out.println("StoreCode:"+sheet.getRow(i).getCell(1).getStringCellValue());
info.setExternalCode(sheet.getRow(i).getCell(2).getStringCellValue());
System.out.println("ExternalCode:"+sheet.getRow(i).getCell(2).getStringCellValue());
info.setStores(sheet.getRow(i).getCell(3).getStringCellValue());
System.out.println("Stores:"+sheet.getRow(i).getCell(3).getStringCellValue());
info.setInventory(sheet.getRow(i).getCell(4).getStringCellValue());
System.out.println("Inventory:"+sheet.getRow(i).getCell(4).getStringCellValue());
info.setProvince(sheet.getRow(i).getCell(5).getStringCellValue());
System.out.println("Province:"+sheet.getRow(i).getCell(5).getStringCellValue());
info.setCity(sheet.getRow(i).getCell(6).getStringCellValue());
System.out.println("City:"+sheet.getRow(i).getCell(6).getStringCellValue());
info.setDirect(sheet.getRow(i).getCell(7).getStringCellValue());
System.out.println("Direct:"+sheet.getRow(i).getCell(7).getStringCellValue());
info.setAddress(sheet.getRow(i).getCell(8).getStringCellValue());
System.out.println("Address:"+sheet.getRow(i).getCell(8).getStringCellValue());
info.setContactPerson(sheet.getRow(i).getCell(9).getStringCellValue());
System.out.println("ContactPerson:"+sheet.getRow(i).getCell(9).getStringCellValue());
sheet.getRow(i).getCell(10).setCellType(HSSFCell.CELL_TYPE_STRING);
info.setContactPhone(sheet.getRow(i).getCell(10).getStringCellValue());
System.out.println("ContactPhone:"+sheet.getRow(i).getCell(10).getStringCellValue());
sheet.getRow(i).getCell(11).setCellType(HSSFCell.CELL_TYPE_STRING);
info.setPostalCode(sheet.getRow(i).getCell(11).getStringCellValue());
System.out.println("PostalCode:"+sheet.getRow(i).getCell(11).getStringCellValue());
sheet.getRow(i).getCell(12).setCellType(HSSFCell.CELL_TYPE_STRING);
info.setLongitude(sheet.getRow(i).getCell(12).getStringCellValue());
System.out.println("Longitude:"+sheet.getRow(i).getCell(12).getStringCellValue());
sheet.getRow(i).getCell(13).setCellType(HSSFCell.CELL_TYPE_STRING);
info.setLatitude(sheet.getRow(i).getCell(13).getStringCellValue());
System.out.println("Latitude:"+sheet.getRow(i).getCell(13).getStringCellValue());
employeesList.add(info);
book.close();
}
}else {
System.out.println(name);
}
}
return employeesList;
}
// private static byte[] getBytes(InputStream iStream) {
// // TODO Auto-generated method stub
// return null;
// }
public static void main(String[] args) throws Exception{
HSSFWorkbook workbook=new HSSFWorkbook();
HSSFSheet sheet=workbook.createSheet("storeinfo");
HSSFRow header=sheet.createRow(0);
HSSFCell cell=header.createCell(0);
cell.setCellValue("Name");
cell=header.createCell(1);
cell.setCellValue("Code");
cell=header.createCell(2);
cell.setCellValue("External");
cell=header.createCell(3);
cell.setCellValue("Distribution");
cell=header.createCell(4);
cell.setCellValue("Inventory");
cell=header.createCell(5);
cell.setCellValue("Province");
cell=header.createCell(6);
cell.setCellValue("City");
cell=header.createCell(7);
cell.setCellValue("Direct");
cell=header.createCell(8);
cell.setCellValue("Address");
cell=header.createCell(9);
cell.setCellValue("Person");
cell=header.createCell(10);
cell.setCellValue("Phone");
cell=header.createCell(11);
cell.setCellValue("PostalCode");
cell=header.createCell(12);
cell.setCellValue("Longitude");
cell=header.createCell(13);
cell.setCellValue("Latitude");
@SuppressWarnings("rawtypes")
List<NewStore> employeesList=getEmployeesList();
System.out.println(employeesList.size());
for(int i=0;i<employeesList.size();i++) {
HSSFRow content=sheet.createRow(i+1);
NewStore<?> employees=employeesList.get(i);
content.createCell(0).setCellValue(employees.getStoreName());
content.createCell(1).setCellValue(employees.getStoreCode());
content.createCell(2).setCellValue(employees.getExternalCode());
content.createCell(3).setCellValue(employees.getStores());
content.createCell(4).setCellValue(employees.getInventory());
content.createCell(5).setCellValue(employees.getProvince());
content.createCell(6).setCellValue(employees.getCity());
content.createCell(7).setCellValue(employees.getDirect());
content.createCell(8).setCellValue(employees.getAddress());
content.createCell(9).setCellValue(employees.getContactPerson());
content.createCell(10).setCellValue(employees.getContactPhone());
content.createCell(11).setCellValue(employees.getPostalCode());
content.createCell(12).setCellValue(employees.getLongitude());
content.createCell(13).setCellValue(employees.getLatitude());
}
try {
FileOutputStream fileOutputStream=new FileOutputStream("D:/newstore/info/info.xlsx");
workbook.write(fileOutputStream);
fileOutputStream.close();
System.out.println("导出成功！！！");
}catch (IOException e){
e.printStackTrace();
System.out.println("导出失败！");
}
workbook.close();
}
}
