import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.InputStream;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.List;import java.util.UUID;import org.apache.poi.ss.usermodel.Cell;import org.apache.poi.xssf.usermodel.XSSFCell;import org.apache.poi.xssf.usermodel.XSSFRow;import org.apache.poi.xssf.usermodel.XSSFSheet;import org.apache.poi.xssf.usermodel.XSSFWorkbook;public class test {    public importExcel(){                String excelPath = null;//excel表格的文件位置        XSSFWorkbook xwb = null;//创建excel表格的工作空间        InputStream in;        try {            in = new FileInputStream(excelPath);            xwb = new XSSFWorkbook(in);        } catch (Exception e) {            // TODO Auto-generated catch block            e.printStackTrace();            System.out.println("找不到指定路径下的excel文件！");        }                 //        System.out.println("该文档一共有sheet"+xwb.getNumberOfSheets()+"个");        //开始循环sheet页        for(int i=0;i<xwb.getNumberOfSheets();i++){            XSSFSheet sheet = xwb.getSheetAt(0);//读取第1个sheet            XSSFRow row;            List<String[]>  userData = http://www.mamicode.com/new ArrayList<String[]>();//用来存从excel表格中获取到的值，然后向数据库中保存            //读取系统配置sheet页            row:for(int rowIndex = 0;rowIndex < sheet.getPhysicalNumberOfRows();rowIndex++){                if((row = sheet.getRow(rowIndex)) != null){//判断该行内容不为空                    String[] userRow = new String[row.getLastCellNum()];                    //开始循环每一行的列                    col:for(int columnIndex = row.getFirstCellNum(); columnIndex < row.getLastCellNum(); columnIndex++){                        XSSFCell cell = row.getCell(columnIndex);                        if(cell != null){                            cell.setCellType(Cell.CELL_TYPE_STRING);                            userRow[columnIndex]  = cell.getStringCellValue();                        }                    }                    userData.add(userRow);                }            }            //开始往数据库中插入数据            if(userData.size()>0){                //开始往人员表中保存数据                Persons persons = new Persons();                persons.setName(userData.get(0)[1]);                persons.setEmail(userData.get(0)[2]);                persons.setSex(userData.get(0)[3]);                persons.setAge(Integer.parseInt(userData.get(0)[4]));                personsManage.save(persons);            }        }    }}