poi 导出excel2003和excel2007的不同

package Test;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import org.apache.poi.hssf.usermodel.HSSFCell;

import org.apache.poi.hssf.usermodel.HSSFSheet;

import org.apache.poi.hssf.usermodel.HSSFWorkbook;

import org.apache.poi.poifs.filesystem.POIFSFileSystem;

import org.apache.poi.xssf.usermodel.XSSFCell;

import org.apache.poi.xssf.usermodel.XSSFSheet;

import org.apache.poi.xssf.usermodel.XSSFWorkbook;

public class Test {

/**

* @param args

*/

public static void main(String[] args) throws IOException {

String path="E:\\test.xlsx";

if(path.contains("xlsx"))

{

XlsxExport(path);

}

else {

XlsExport(path);

}

}

public static void XlsxExport(String path)

{

File fi=new File(path);

XSSFWorkbook wb;

try {

wb = new XSSFWorkbook(new FileInputStream(fi));

XSSFSheet sheet = wb.getSheetAt(0);

//在相应的单元格进行赋值

XSSFCell cell = sheet.createRow(1).createCell(0);

cell.setCellValue("测试");

//修改模板内容导出新模板

FileOutputStream out = new FileOutputStream(path);

wb.write(out);

out.close();

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

public static void XlsExport(String path)

{

File fi=new File(path);

POIFSFileSystem fs;

try {

fs = new POIFSFileSystem(new FileInputStream(fi));

//读取excel模板

HSSFWorkbook wb = new HSSFWorkbook(fs);

//读取了模板内所有sheet内容

HSSFSheet sheet = wb.getSheetAt(0);

//在相应的单元格进行赋值

HSSFCell cell = sheet.createRow(1).createCell(0);

cell.setCellValue("测试");

//修改模板内容导出新模板

FileOutputStream out = new FileOutputStream(path);

wb.write(out);

out.close();

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}