POI根据EXCEL模板，修改内容导出新EXCEL （只支持HSSF）

package excelPoiTest;

import java.io.File;
import java.io.FileInputStream;
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;

/**
 * @author Gerrard
 * @Discreption 根据已有的Excel模板，修改模板内容生成新Excel
 */
public class CreateExcel {

	public static void main(String[] args) throws IOException {
		
		//excel模板路径
		File fi=new File("D:\test.xls");
		POIFSFileSystem 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.getRow(1).getCell(3);
		cell.setCellValue("测试");
		HSSFCell cell2 = sheet.getRow(3).getCell(3);
		cell2.setCellValue("数据");
		HSSFCell cell3 = sheet.getRow(0).getCell(0);
		cell3.setCellValue("大标题");	
		//修改模板内容导出新模板
		FileOutputStream out = new FileOutputStream("D:/export.xls");
		wb.write(out);
		out.close();
	}
}