java读取xls内容并写入txt

package document;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;

import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;

/**
* 将excel中的内容复制到txt中
* @author DanielCooger
* <a href="mailto:tangjunfeng52099@gmail.com">daniel</a>
*/
public class Xls {

private static String date = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date());
private static String xls = "d:\\doc\\XLS" + date + ".txt";
private static String path="d:\\document\\1.xls";

public static void main(String[] args) {
   new Xls().readExcel(path, xls, true);
}

//读取Excel内的数据并写入目标文件中
public boolean readExcel(String path,String xls,boolean append){
   try {
    InputStream is = new FileInputStream(path);
    Workbook book = Workbook.getWorkbook(is);
    Sheet sheet = book.getSheet(0);
    // 得到所有的行数
    Integer rows = sheet.getRows();
    // 得到所有的列数
    Integer colus = sheet.getColumns();
    Cell cell;
    for (int i = 0; i < rows; i++) {
     for (int a = 0; a < colus; a++) {
      cell = sheet.getCell(a, i);
      new Xls().insert(xls, cell.getContents(), append);

     /**
      * 换行显示
      * new Xls().insert(xls, cell.getContents()+"\r\n", append);
      */
     }
    }
    book.close();
    return true;
   } catch (Exception e) {
    e.printStackTrace();
    return false;
   }
}

public void insert(String path, String content, boolean append) {
   BufferedWriter bw;
   File file;
   try {
    boolean addstr = append;
    file = new File(path);
    // 创建文件输出流写入文件
    FileWriter fw = new FileWriter(file, addstr);
    bw = new BufferedWriter(fw);
    // 将文本内容写入文件
    fw.write(content);
    fw.flush();
    fw.close();
   } catch (Exception e) {
    e.getMessage();
   }
}
}