[英]Reading one additional row of excel file with POI
使用Apache POI,我正在嘗試讀取Excel文件。 該文件有1000行和1列。 使用此代碼:
XSSFSheet ws = workbook.getSheetAt(0);
Iterator< Row > rowIt = ws.iterator();
XSSFRow row;
int i = 0;
while ( rowIt.hasNext() ) {
row = (XSSFRow) rowIt.next();
Iterator< Cell > cellIt = row.cellIterator();
while ( cellIt.hasNext() ) {
Cell cell = cellIt.next();
my_array[ i ] = cell.getStringCellValue();
}
++i;
}
似乎它讀取1001行,並且由於最后一行是“”,因此my_array獲取無效的字符串。 有什么辦法可以解決這個問題? 我希望rowIt.hasNext()
對此負責,但它不能按預期工作。
該文件有1000行和1列:您必須指定要讀取的列。 這里是一個示例,用此excel文件指定列:
public class TestLecture {
public static void main(String[] args) throws IOException{
List<String> mys_list= new ArrayList<String>();
FileInputStream file = new FileInputStream(new File("test.xlsx"));
//Get the workbook instance for XLS file
XSSFWorkbook workbook = new XSSFWorkbook (file);
//Get first sheet from the workbook
XSSFSheet ws = workbook.getSheetAt(0);
//Get iterator to all the rows in current sheet
Iterator<Row> rowIt = ws.iterator();
while (rowIt.hasNext()) {
Row row = rowIt.next();
Iterator<Cell> cellIt = row.iterator();
while (cellIt.hasNext()) {
Cell cell = cellIt.next();
int columnIndex = cell.getColumnIndex();
switch (columnIndex) {
case 2:
mys_list.add(cell.getStringCellValue());
break;
}
}
}
System.out.println(mys_list.size());
for(String g :mys_list){
System.out.println(g);
}
}
}
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