Pasang Library dahulu yaa....
package xlsproject;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.ss.usermodel.*;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Iterator;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.poi.EncryptedDocumentException;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
public class gabRW {
String[][]AR;
public static void main(String[] args) throws IOException, InvalidFormatException {
gabRW x=new gabRW();
x.baca();
x.tulis();
}
void baca(){
try {
String myPath=System.getProperty("user.dir")+"/excell/NORM.xls";
Workbook workbook = WorkbookFactory.create(new File(myPath));
int jumsheet=workbook.getNumberOfSheets();
Sheet sheet = workbook.getSheetAt(0);
DataFormatter dataFormatter = new DataFormatter();
//int noOfColumns = sheet.getRow(0).getPhysicalNumberOfCells();
int kol = sheet.getRow(0).getLastCellNum();
int bar = sheet.getLastRowNum() +1;
AR=new String[bar][kol];
System.out.println("\n\nIterating over Rows and Columns using Iterator\n");
Iterator<Row> rowIterator = sheet.rowIterator();
int r=0;
while (rowIterator.hasNext()) {
Row row = rowIterator.next();
Iterator<Cell> cellIterator = row.cellIterator();
int c=0;
while (cellIterator.hasNext()) {
Cell cell = cellIterator.next();
String cellValue = dataFormatter.formatCellValue(cell);
System.out.print(cellValue + "\t");
AR[r][c]=cellValue;
c++;
}
System.out.println();
r++;
}
workbook.close();
} catch (IOException ex) {
Logger.getLogger(gabRW.class.getName()).log(Level.SEVERE, null, ex);
} catch (InvalidFormatException ex) {
Logger.getLogger(gabRW.class.getName()).log(Level.SEVERE, null, ex);
} catch (EncryptedDocumentException ex) {
Logger.getLogger(gabRW.class.getName()).log(Level.SEVERE, null, ex);
}
}
private static void printCellValue(Cell cell) {
switch (cell.getCellTypeEnum()) {
case BOOLEAN:
System.out.print(cell.getBooleanCellValue());
break;
case STRING:
System.out.print(cell.getRichStringCellValue().getString());
break;
case NUMERIC:
if (DateUtil.isCellDateFormatted(cell)) {
System.out.print(cell.getDateCellValue());
} else {
System.out.print(cell.getNumericCellValue());
}
break;
case FORMULA:
System.out.print(cell.getCellFormula());
break;
case BLANK:
System.out.print("");
break;
default:
System.out.print("");
}
System.out.print("\t");
}
void tulis(){
int c=AR[0].length;
int r=AR.length;
System.out.println(r+","+c);
FileOutputStream fileOut = null;
try {
Workbook workbook = new XSSFWorkbook();
CreationHelper createHelper = workbook.getCreationHelper();
CellStyle POLA = workbook.createCellStyle();
//dateCellStyle.setDataFormat(createHelper.createDataFormat().getFormat("dd-MM-yyyy"));
POLA.setDataFormat(createHelper.createDataFormat().getFormat("#.###############"));
Sheet sheet = workbook.createSheet("datalatih");
int rowNum = 0;
for(int i=0;i<r;i++){
Row row = sheet.createRow(rowNum++);
for(int j=0;j<c;j++){
String dataXLS=AR[i][j];
//System.out.println("data:"+i+","+j+"="+dataXLS);
if(i==0){
row.createCell(j).setCellValue(dataXLS);
}
else{
Cell myPos = row.createCell(j);
myPos.setCellValue(dataXLS);
myPos.setCellStyle(POLA);
}
}
}
for(int i = 0; i < c; i++) {
sheet.autoSizeColumn(i);
}
String myPath=System.getProperty("user.dir")+"/excell/TESTTULIS.xls";
fileOut = new FileOutputStream(myPath);
try {
workbook.write(fileOut);
} catch (IOException ex) {
Logger.getLogger(gabRW.class.getName()).log(Level.SEVERE, null, ex);
}
try {
fileOut.close();
} catch (IOException ex) {
Logger.getLogger(gabRW.class.getName()).log(Level.SEVERE, null, ex);
}
try {
workbook.close();
} catch (IOException ex) {
Logger.getLogger(gabRW.class.getName()).log(Level.SEVERE, null, ex);
}
} catch (FileNotFoundException ex) {
Logger.getLogger(gabRW.class.getName()).log(Level.SEVERE, null, ex);
} finally {
try {
fileOut.close();
} catch (IOException ex) {
Logger.getLogger(gabRW.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
}
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