Excel读取(jxl)

package com.suning.crawler.util;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;
import org.apache.log4j.Logger;

/**
* Excel读取,存放为List
*
* @author xxx
*/
public class ExcelRead
{
    // 日志记录
    private Logger logger = Logger.getLogger(ExcelRead.class);

    /**
     * 开始行
     */
    private int beginRow;

    /**
     * 开始列
     */
    private int beginColumn;

    /**
     * 结束行
     */
    private int endRow;

    /**
     * 结束列
     */
    private int endColumn;

    public ExcelRead(int row, int column)
    {
        this(row, column, Integer.MAX_VALUE, Integer.MAX_VALUE);
    }

    public ExcelRead(int beginRow, int beginColumn, int endRow, int endColumn)
    {
        this.beginRow = beginRow;
        this.beginColumn = beginColumn;
        this.endRow = endRow;
        this.endColumn = endColumn;
    }

    /**
     * 读取Excel文件
     *
     * @param fileName
     *            文件名称
     * @return 文件信息
     */
    public List<List<String>> readData(String fileName)
    {
        // 创建目录
        String filePath = PropUtil.getProductPath();
        // 创建文件
        File file = new File(filePath + fileName);
        return readData(file);
    }

    /**
     * 读取Excel文件
     *
     * @param file
     *            Excel 文件
     * @return 文件信息
     */
    public List<List<String>> readData(File file)
    {

        // 打开文件
        Workbook wb = null;
        try
        {
            wb = Workbook.getWorkbook(file);
        }
        catch (BiffException e)
        {
            logger.error("jxl does not support the file format.", e);
            return null;
        }
        catch (IOException e)
        {
            logger.error("read the file fails", e);
            return null;
        }
        catch (Exception e)
        {
            logger.error("other exception", e);
            return null;
        }

        // 存储sheet中的数据，第一个sheet
        List<List<String>> datas = new ArrayList<List<String>>();
        // 存储一行所有列数据数据
        List<String> record = new ArrayList<String>();

        // 读取第一个sheet的内容
        Sheet sheet = wb.getSheet(0);
        // 读取内容
        for (int row = beginRow; row < endRow && row < sheet.getRows(); row++)
        {
            boolean validFlag = false;

            for (int cloumn = beginColumn; cloumn < endColumn && cloumn < sheet.getColumns(); cloumn++)
            {
                String content = sheet.getCell(cloumn, row).getContents();
                // 若一行为空，则标识为无效行
                if (null != content && !"".equals(content.trim()))
                {
                    validFlag = true;
                }
                record.add(content);
            }
            if (validFlag)
            {
                datas.add(record);
            }
            record.clear();
        }
        wb.close();

        return datas;
    }

}