java poi导入EXCEL xls文件代码

/**
 *
 */
package com.bn.car.common.report.excel;

import java.io.FileInputStream;
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 com.bn.car.biz.supply.dto.PartsInfoDTO;

/**
 * @author huangjing
 * @date 2014-1-24
 */
public class XlsMain {
    public static void main(String[] args) throws IOException {
        try {
            XlsMain xlsMain = new XlsMain();
            PartsInfoDTO dto = null;
            List<PartsInfoDTO> list = xlsMain.readXls("d://parts2.xls");
//            System.out.println(list.size());
            for (int i = 0; i < list.size(); i++) {
                dto = list.get(i);
                System.out.println(dto.getPartsCode() +"--"+dto.getPartsName() +"--"+dto.getStoreNum() +"--"+dto.getCostPrice() +"--"+dto.getMarketPrice() +"--"+dto.getRetailPrice() +"--"+dto.getWeight() +"--"+dto.getUpdown());
            }
            System.out.println("OK!!");
        } catch (Exception e) {
            // TODO: handle exception
            e.printStackTrace();
        }
    }

    /**
     * 读取xls文件内容
     *
     * @return List<XlsDto>对象
     * @throws IOException
     *             输入/输出(i/o)异常
     */
    public static List<PartsInfoDTO> readXls(String xlspath) throws IOException {
        InputStream is = new FileInputStream(xlspath);
        HSSFWorkbook hssfWorkbook = new HSSFWorkbook(is);
        PartsInfoDTO dto = null;
        List<PartsInfoDTO> list = new ArrayList<PartsInfoDTO>();
        // 循环工作表Sheet
        for (int numSheet = 0; numSheet < hssfWorkbook.getNumberOfSheets(); numSheet++) {
            HSSFSheet hssfSheet = hssfWorkbook.getSheetAt(numSheet);
//            System.out.println("hssfSheet:" + hssfSheet);
            if (hssfSheet == null) {
                continue;
            }
            // 循环行Row,从第一行开始。
            for (int rowNum = 1; rowNum <= hssfSheet.getLastRowNum(); rowNum++) {
                HSSFRow hssfRow = hssfSheet.getRow(rowNum);
//                System.out.println("hssfRow:"+hssfRow);
                if (hssfRow == null) {
                    continue;
                }
                dto = new PartsInfoDTO();
                // 循环列Cell
                // 0学号 1姓名 2学院 3课程名 4 成绩
                // for (int cellNum = 0; cellNum <=4; cellNum++) {
                HSSFCell cell = hssfRow.getCell(0);
//                System.out.println("cell:" + cell);
                if (cell == null) {
                    continue;
                }
                dto.setPartsCode(getValue(cell));

                cell = hssfRow.getCell(1);
//                System.out.println("cell1:" + cell);
                if (cell == null) {
                    continue;
                }
                dto.setPartsName(getValue(cell));

                cell = hssfRow.getCell(2);
//                System.out.println("cell2:" + cell);
                if (cell == null) {
                    continue;
                }
                dto.setStoreNum(Float.valueOf(getValue(cell)).intValue());

                cell = hssfRow.getCell(3);
//                System.out.println("cell3:" + cell);
                if (cell == null) {
                    continue;
                }
                dto.setCostPrice(Float.valueOf(getValue(cell)));

                cell = hssfRow.getCell(4);
//                System.out.println("cell4:" + cell);
                if (cell == null) {
                    continue;
                }
                dto.setMarketPrice(Float.parseFloat(getValue(cell)));

                cell = hssfRow.getCell(5);
//                System.out.println("cell5:" + cell);
                if (cell == null) {
                    continue;
                }
                dto.setRetailPrice(Float.parseFloat(getValue(cell)));

                cell = hssfRow.getCell(6);
//                System.out.println("cell6:" + cell);
                if (cell == null) {
                    continue;
                }
                dto.setWeight(Float.parseFloat(getValue(cell)));

                cell = hssfRow.getCell(7);  //写成8了，取不到，所以不执行下面的代码~!!
//                System.out.println("cell7:" + cell);
                if (cell == null) {
                    continue;
                }
                if(getValue(cell).equals("是")){
                    dto.setUpdown(1);
                }else{
                    dto.setUpdown(0);
                }

//                System.out.println("上下架:"+dto.getUpdown());
                list.add(dto);
            }
        }
//        System.out.println("SIZE:" + list.size());
        return list;
    }

    /**
     * 得到Excel表中的值
     *
     * @param hssfCell
     *            Excel中的每一个格子
     * @return Excel中每一个格子中的值
     */
    @SuppressWarnings("static-access")
    public static String getValue(HSSFCell hssfCell) {
        if (hssfCell.getCellType() == hssfCell.CELL_TYPE_BOOLEAN) {
            // 返回布尔类型的值
            return String.valueOf(hssfCell.getBooleanCellValue());
        } else if (hssfCell.getCellType() == hssfCell.CELL_TYPE_NUMERIC) {
            // 返回数值类型的值
            return String.valueOf(hssfCell.getNumericCellValue());
        } else {
            // 返回字符串类型的值
            return String.valueOf(hssfCell.getStringCellValue());
        }
    }

}

parts2.xls (导入模板文件~!)