junit解析Excel并导入数据库

package com.mg.background.friend.service;


import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.sql.SQLException;
import java.text.DecimalFormat;
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 org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.junit.BeforeClass;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.mg.background.friend.dao.IUserInfoDAO;
import com.mg.background.friend.entity.UserInfo;

public class ReadExcelTest {
    private static ApplicationContext ctx;
    private static IUserInfoDAO userInfoDAO;

    @BeforeClass
    public static void setUpBeforeClass() throws Exception {
        try {
            //加载配置文件,使用spring动态注入依赖
            ctx = new ClassPathXmlApplicationContext("classpath*:spring-web-*.xml");
            //利用spring得到userInfoDAO实例
            userInfoDAO = ctx.getBean(IUserInfoDAO.class);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    @Test
    public void test() throws SQLException, IOException, ClassNotFoundException {
        File file = new File("C:/Users/Administrator/Desktop/boyss.xls");  
        POIFSFileSystem poifsFileSystem = new POIFSFileSystem(new FileInputStream(file)); 
        // hssfWorkbook为excel文件
        HSSFWorkbook hssfWorkbook =  new HSSFWorkbook(poifsFileSystem); 
        // HSSFSheet 是excel文件中sheet 第一页的索引为0
        HSSFSheet hssfSheet = hssfWorkbook.getSheetAt(0); 
        //得到最后一行的索引
        int rowEnd = hssfSheet.getLastRowNum();
        next:
        for(int i=1;i<=rowEnd;i++)  
        {  
            //HSSFRow 为行对象
            HSSFRow row = hssfSheet.getRow(i);  
            if(null == row){
                continue;
            }  
            int cellStart = row.getFirstCellNum();  
            int cellEnd = row.getLastCellNum();  
            UserInfo userInfo = new UserInfo();
            for(int k=cellStart;k<=cellEnd;k++)  
            {   
                //HSSFCell为列对象
                HSSFCell cell = row.getCell(k);  
                if(null==cell){
                    continue;                   
                }
                //如果当前列的数据类型为string且为空就略过当前列直接读取下一列
                if(cell.getCellType() == HSSFCell.CELL_TYPE_STRING && " ".equals(cell.getStringCellValue())){
                    continue; 
                }
                switch (k)  
                {  
                    case 1:
                        userInfo.setName(cell.getStringCellValue());
                        break; 
                    case 2:
                        userInfo.setGender("B");
                        break;
                    case 3:
                        double height = 0;
                        if(cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC){
                            height = cell.getNumericCellValue();                     
                        }else{
                            if(null == cell.getStringCellValue() ||"".equals(cell.getStringCellValue())
                            ||cell.getStringCellValue().isEmpty()){
                                break;
                            }else{
                                height = Double.valueOf(cell.getStringCellValue());
                            }

                        }
                        userInfo.setHeight(height);
                        break;
                    case 4:                   
                        double weight = 0;
                        if(cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC){
                             weight = cell.getNumericCellValue();                     
                        }else{
                            if(null == cell.getStringCellValue() ||"".equals(cell.getStringCellValue())
                            ||cell.getStringCellValue().isEmpty()){
                                break;
                            }else{
                                weight = Double.valueOf(cell.getStringCellValue());
                            }

                        }
                        userInfo.setWeight(weight);
                        break;
                    case 5:
                        if("大专".equals(cell.getStringCellValue())){
                            userInfo.setEducation(3);
                        }else if("本科".equals(cell.getStringCellValue())){
                            userInfo.setEducation(4);
                        }else if("硕士".equals(cell.getStringCellValue())){
                            userInfo.setEducation(5);
                        }else if("博士".equals(cell.getStringCellValue())){
                            userInfo.setEducation(6);
                        }
                        break;
                    case 6:
                        if(cell.getStringCellValue().getBytes().length > 50){
                            break;
                        }
                        userInfo.setCompany(cell.getStringCellValue());
                        break;
                    case 7:
                        userInfo.setOccupation(cell.getStringCellValue());
                        break;
                    case 8:
                        if(cell.getStringCellValue().getBytes().length > 200){
                            break;
                        }
                        userInfo.setHobby(cell.getStringCellValue());
                        break;
                    case 9:
                        if(cell.getStringCellValue().getBytes().length > 200){
                            break;
                        }
                        userInfo.setIntroduction(cell.getStringCellValue());
                        break;
                    case 10:
                        userInfo.setOComment(cell.getStringCellValue());
                        break;
                    case 11:        
                        String mobile ="";
                        if(cell.getCellType() == HSSFCell.CELL_TYPE_STRING){
                            mobile = cell.getStringCellValue();
                        }else{
                            double d = cell.getNumericCellValue();
                            DecimalFormat df = new DecimalFormat("#");
                            mobile = df.format(d);
                        }
                        UserInfo user = new UserInfo();
                        user.setMobile(mobile);
                        List list = userInfoDAO.findList(user);
                        if(list.size() != 0){
                            continue next;
                        }
                        userInfo.setMobile(mobile);
                        break;
                    case 12:
                        String weixinno = "";
                        if(cell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC){
                            double cellValue = cell.getNumericCellValue();
                            DecimalFormat format = new DecimalFormat("#");
                            weixinno = format.format(cellValue);
                        }else{
                            weixinno = cell.getStringCellValue();
                        }
                        userInfo.setWeixinNo(weixinno);
                        break;
                }  

            }
            //这边设置数据库中限制了不能为空的列
            userInfo.setBalance(0d);
            userInfo.setFrozenBalance(0d);
            userInfo.setReceivePushDate(0);
            userInfoDAO.insert(userInfo);
            }
    }

}