java读取excel数据导入数据库源码

package com.wx.supplier.util.importUtil;

import com.wx.supplier.rpc.module.pubcore.dao.LabelDAO;
import com.wx.supplier.rpc.module.pubcore.po.LabelPO;
import org.apache.commons.lang.StringUtils;
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 org.apache.poi.ss.usermodel.Cell;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Created by user on 2017/9/13.
 */
public class ImportLabel {

    public static ApplicationContext context = null;
    private static LabelDAO labelDAO;

    private static String FILE_PATH="D:/07-04 旅行团标签整理.xls";

    static {
        context = new ClassPathXmlApplicationContext(
                "spring/applicationContext.xml");
        labelDAO = context.getBean("labelDAO", LabelDAO.class);
    }


    public static void main(String[] arg){
        ImportLabel label=new ImportLabel();
        label.importLabel(0);
    }

    public void importLabel(int whichSheet) {
        List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
        HSSFWorkbook readBook = null;
        File readFile = null;
        FileInputStream fis = null;
        try {
            readFile = new File(FILE_PATH);
            fis = new FileInputStream(readFile);
            readBook = new HSSFWorkbook(fis);
            HSSFSheet sheet = readBook.getSheetAt(whichSheet);
            int rows = sheet.getLastRowNum();
            String content = null;
            for (int i = 1; i < rows + 1; i++) {
                HSSFRow rowObject = sheet.getRow(i);
                content = "";
                Map<String, Object> map = new HashMap<String, Object>();
                for (int j = 0; j <= 14; j++) {