자바 엑셀 표 내용 읽 기

import org.apache.poi.ss.usermodel.*;

import java.io.File;
import java.io.FileInputStream;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * @ClassName ReadExcel
 * @Description TODO
 * @Author shuai
 * @Date 2018/8/9 17:43
 * @Version 1.0
 **/
public class ReadExcel {

    public static void main(String[] args) {
	readExcel("E:\\D9Code\\001.xlsx");
    }

    public static void readExcel(String path) {
	SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	File file = new File(path);
	FileInputStream fis = null;
	Workbook workBook = null;
	if (file.exists()) {
	    try {
		fis = new FileInputStream(file);
		workBook = WorkbookFactory.create(fis);
		int numberOfSheets = workBook.getNumberOfSheets();
		// sheet   
		for (int s = 0; s < numberOfSheets; s++) {
		    Sheet sheetAt = workBook.getSheetAt(s);
		    //       
		    String sheetName = sheetAt.getSheetName();
		    System.out.println("     ：" + sheetName);
		    //     Sheet    
		    int rowsOfSheet = sheetAt.getPhysicalNumberOfRows();
		    System.out.println("        :" + rowsOfSheet);
		    //    
		    Row row0 = sheetAt.getRow(0);
		    int physicalNumberOfCells = sheetAt.getRow(0).getPhysicalNumberOfCells();
		    String[] title = new String[physicalNumberOfCells];
		    for (int i = 0; i < physicalNumberOfCells; i++) {
		        title[i] = row0.getCell(i).getStringCellValue();
		    }
		    for (int r = 1; r < rowsOfSheet; r++) {
		        Row row = sheetAt.getRow(r);
			if (row == null) {
			    continue;
		        } else {
			    int rowNum = row.getRowNum() + 1;
			    System.out.println("   :" + rowNum);
			    //   ( )
			    Cell cell0 = row.getCell(0);
			    Cell cell1 = row.getCell(1);
			    Cell cell2 = row.getCell(2);
			    Cell cell3 = row.getCell(3);
			    Cell cell4 = row.getCell(4);

			    if ((cell0.getCellTypeEnum() == CellType.NUMERIC) && (!DateUtil.isCellDateFormatted(cell0))) {
			        int numericCellValue = (int) cell0.getNumericCellValue();
			        System.out.println(numericCellValue);
			    } else {
			        System.out.println(" " + rowNum + " ，   [" + title[0] + "]    ！");
			    }
			    if (cell1.getCellTypeEnum() == CellType.STRING) {
			        String stringCellValue = cell1.getStringCellValue();
			        System.out.println(stringCellValue);
			    } else {
			        System.out.println(" " + rowNum + " ，   [" + title[1] + "]    ！");
			    }
			    if (cell2.getCellTypeEnum() == CellType.STRING) {
			        String stringCellValue = cell2.getStringCellValue();
			        System.out.println(stringCellValue);
			    } else {
			        System.out.println(" " + rowNum + " ，   [" + title[2] + "]    ！");
			    }
			    if ((cell3.getCellTypeEnum() == CellType.NUMERIC) && DateUtil.isCellDateFormatted(cell3)) {
			        Date dateCellValue = cell3.getDateCellValue();
			        System.out.println(sdf.format(dateCellValue));
			    } else {
			        System.out.println(" " + rowNum + " ，   [" + title[3] + "]    ！");
			    }
			    if ((cell4.getCellTypeEnum() == CellType.NUMERIC) && (!DateUtil.isCellDateFormatted(cell4))) {
			        double numericCellValue = cell4.getNumericCellValue();
			        System.out.println(numericCellValue);
			    } else {
		                System.out.println(" " + rowNum + " ，   [" + title[4] + "]    ！");
			    }
		        }
		    }
	        }
	        if (fis != null) {
		    fis.close();
	        }
	    } catch (Exception e) {
	        // TODO Auto-generated catch block
	        e.printStackTrace();
	    }
        } else {
	    System.out.println("     !");
        }
    }
}