Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package Teste; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.util.Date; import java.util.logging.Level; import java.util.logging.Logger; import org.apache.poi.ss.usermodel.*; import org.apache.poi.hssf.usermodel.HSSFWorkbook; import org.apache.poi.openxml4j.exceptions.InvalidFormatException; import org.apache.poi.openxml4j.opc.OPCPackage; import org.apache.poi.xssf.usermodel.XSSFWorkbook; /** * * @author Alessandro */ public class importarExcel { /** * @param args the command line arguments */ public static void main(String[] args) { // TODO code application logic here try { //get arquivo File file = new File("C:\\Users\\Alessandro\\Desktop\\TCC2\\IMPORTAR\\Alunos.xls"); //get extensao do arquivo String name = file.toString(); int pos = name.lastIndexOf('.'); String ext = name.substring(pos + 1); FileInputStream fileIn = new FileInputStream(file); Workbook obj = null; if (ext.equals("xlsx")) { try { //Metodo aceita o path do arquivo obj = new XSSFWorkbook(fileIn); } catch (IOException ex) { throw new RuntimeException(ex); } } else if (ext.equals("xls")) { try { //Metodo nao aceita string do path do arquivo obj = new HSSFWorkbook(fileIn); } catch (IOException ex) { throw new RuntimeException(ex); } } else { throw new IllegalArgumentException("Received file does not have a standard excel extension."); } int o = 0; Sheet worksheet = obj.getSheet("Plan1"); Row row; Cell cell; for (int i = 0; i <= worksheet.getLastRowNum(); i++) { row = worksheet.getRow(i); String linha = ""; for (int j = 0; j < 2; j++) { cell = row.getCell(j); if (cell.getCellType() == 1) { linha += " | " + cell.getStringCellValue(); } else { double aux = 0; int aux2 = 0; aux = cell.getNumericCellValue(); aux2 = (int) aux; linha += " | " + aux2; } } System.out.println(linha); } } catch (FileNotFoundException ex) { System.out.println("Arquivo no encontrado"); } } }