java利用POI 读取EXCEL

/*

* 使用POI读取EXCEL文件

*/

import java.io.File;

import java.io.FileInputStream;

import java.util.ArrayList;

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;

/**

*

* @author Hanbin

*/

public class ReadExcel {

/**

* @param args the command line arguments

*/

public static void main(String[] args)throws Exception {

read("d:\\demo.xls");

}

public static ArrayList read(String fileName){

ArrayList list = new ArrayList();

String sql = "";

try{

File f = new File(fileName);

FileInputStream fis = new FileInputStream(f);

HSSFWorkbook wbs = new HSSFWorkbook(fis);

HSSFSheet childSheet = wbs.getSheetAt(0);

System.out.println("行数:" + childSheet.getLastRowNum());

for(int i = 4;i<childSheet.getLastRowNum();i++){

HSSFRow row = childSheet.getRow(i);

System.out.println("列数:" + row.getPhysicalNumberOfCells());

if(null != row){

for(int k=1;k<row.getPhysicalNumberOfCells();k++){

HSSFCell cell;

cell = row.getCell((short)k);

// System.out.print(getStringCellValue(cell) + "\t");

list.add(getStringCellValue(cell) + "\t");

}

}

}

}catch(Exception e){

e.printStackTrace();

}

return list;

}

/**

* 获取单元格数据内容为字符串类型的数据

*

* @param cell Excel单元格

* @return String 单元格数据内容

*/

private static String getStringCellValue(HSSFCell cell) {

String strCell = "";

switch (cell.getCellType()) {

case HSSFCell.CELL_TYPE_STRING:

strCell = cell.getStringCellValue();

break;

case HSSFCell.CELL_TYPE_NUMERIC:

strCell = String.valueOf(cell.getNumericCellValue());

break;

case HSSFCell.CELL_TYPE_BOOLEAN:

strCell = String.valueOf(cell.getBooleanCellValue());

break;

case HSSFCell.CELL_TYPE_BLANK:

strCell = "";

break;

default:

strCell = "";

break;

}

if (strCell.equals("") || strCell == null) {

return "";

}

if (cell == null) {

return "";

}

return strCell;

}

}