java读取excel

package edu.qdgxy.util;

import jxl.Cell;
import jxl.Sheet;
import java.io.File;
import java.io.InputStream;
import java.io.Serializable;
import java.util.Vector;
import java.io.FileInputStream;

import org.apache.struts2.ServletActionContext;

import jxl.Workbook;

/**
 * 耗时315.469秒 jxl.jar excel导入SQL 包 耗时131.469秒 耗时125.448秒(系数6000)
 */
public class ExcelRead2 implements Serializable{
	
	public static void main(String[] args) {
		ExcelRead2 cr = new ExcelRead2();
		long start = System.currentTimeMillis();// 记录开始时间
		cr.readExcel();// 开始执行
		long end = System.currentTimeMillis();
		System.out.println("============耗時：====" + ((end - start) / 1000.0));
	}

	public  Vector readExcel() {
		String path="E:\\test";
		File fileDir = new File(path);
		File files[] = fileDir.listFiles();
		String filePath=files[0].getAbsolutePath();
		System.out.println(filePath);
		Vector v = new Vector();
		Workbook rwb = null;
		try