我試圖讀取使用POI的excel文件,然後我想將該數據放入JTable
。如何使用POI讀取excel文件的空單元格
這裏是excel文件,
正如你可以看到,有兩個空單元格在上表中,有一次我看上面的數據爲JTable
我得到了下面的結果,
在我的JTable
中,空單元格移動到了錯誤的地方,我用下面的代碼來得到這個結果,請幫助我實現正確的結果,
private XLSContainer xLSContainer;
Vector cellVectorHolder;
private int noOfCells=0;
public XLSContainer readXLS(XLSFile xLSFile) {
cellVectorHolder = new Vector();
try {
FileInputStream inputStream = new FileInputStream(xLSFile.getFileName());
POIFSFileSystem pOIFSFileSystem = new POIFSFileSystem(inputStream);
HSSFWorkbook hSSFWorkbook = new HSSFWorkbook(pOIFSFileSystem);
HSSFSheet hSSFSheet = hSSFWorkbook.getSheetAt(0);
Iterator rowIter = hSSFSheet.rowIterator();
while (rowIter.hasNext()) {
HSSFRow row = (HSSFRow) rowIter.next();
if(row.getRowNum()==0){
noOfCells = row.getLastCellNum();
}
Iterator cellIter = row.cellIterator();
Vector cellStoreVector = new Vector();
while (cellIter.hasNext()) {
HSSFCell hSSFCell = (HSSFCell) cellIter.next();
//System.out.println(hSSFCell.getCellNum());
cellStoreVector.addElement(hSSFCell);
}
cellVectorHolder.addElement(cellStoreVector);
}
} catch (Exception e) {
e.printStackTrace();
}
feedXLSContainer();
return xLSContainer;
}//readXLS
private void feedXLSContainer() {
xLSContainer = new XLSContainer();
for (int i = 0; i < cellVectorHolder.size(); i++) {
Vector cellStoreVector = (Vector) cellVectorHolder.elementAt(i);
Vector item = new Vector();
for (int j = 0; j < cellStoreVector.size(); j++) {
HSSFCell cell = (HSSFCell) cellStoreVector.elementAt(j);
item.add(cell.toString());
}
if (i == 0) {
xLSContainer.addHeader(item);
} else {
xLSContainer.addRow(item);
}
}
}
上面我所所做的是將標題和數據行分開的載體在一個名爲xLSContainer
類,然後把這些向量爲JTable
。
這裏是我如何經過谷歌搜索解決它:-)
private XLSContainer xLSContainer;
public XLSContainer readXLS(XLSFile xLSFile) {
try {
WorkbookSettings ws = new WorkbookSettings();
ws.setLocale(new Locale("en", "EN"));
Workbook workbook = Workbook.getWorkbook(new File(xLSFile.getFileName()), ws);
Sheet s = workbook.getSheet(0);
System.out.println("Sheet Content::" + s.getName());
readDataSheet(s);
workbook.close();
} catch (Exception e) {
e.printStackTrace();
}
return xLSContainer;
}
private void readDataSheet(Sheet s) {
xLSContainer = new XLSContainer();
int noOfRows = s.getRows();
int noOfCols = s.getColumns();
for (int i = 0; i < noOfRows; i++) {
Vector item = new Vector();
for (int j = 0; j < noOfCols; j++) {
if (s.getCell(j, i).getContents() == "") {
item.add("");
} else {
item.add(s.getCell(j, i).getContents());
}
}
if (i == 0) {
xLSContainer.addHeader(item);
}else{
xLSContainer.addRow(item);
}
}
}
最後,我放棄了POI API,並使用jxl.jar得到了我想要的結果。現在它工作正常。 – Harsha 2011-12-16 05:30:37