我正在创建XLSX文件并向单元格添加一些值,它写道一切正常,但是当我读取文件或只是打开文件时。我没有看到所有的数据。写入excel文件时会丢失一些数据。 Java
File myfile = new File("hello.xlsx");
Workbook workBook = new XSSFWorkbook();
Sheet sheet = workBook.createSheet("sheet");
String[] tokens= {"A1", "B5", "C7", "J1", "K15", "Z20"};
for (String tok: tokens) {
CellReference ref = new CellReference(tok);
Row row = sheet.createRow(ref.getRow());
Cell cell = row.createCell((short) ref.getCol());
cell.setCellValue("blabla");
System.out.println(ref);
}
workBook.write(new FileOutputStream(myfile));
workBook.close();
System.out.println();
FileInputStream fileInputStream = new FileInputStream(myfile);
Workbook workBook2 = new XSSFWorkbook(fileInputStream);
Sheet worksheet = workBook2.getSheet("sheet");
for(String tok: tokens) {
CellReference ref= new CellReference(tok);
Row row = worksheet.getRow(ref.getRow());
Cell cell = row.getCell(ref.getCol());
if(cell != null){
System.out.println(ref);
}
}
但是,当我读回他们,我只得到他们几个。为什么?
org.apache.poi.ss.util.CellReference [A1]
org.apache.poi.ss.util.CellReference [B5]
org.apache.poi.ss.util.CellReference [C7]
org.apache.poi.ss.util.CellReference [J1]
org.apache.poi.ss.util.CellReference [K15]
org.apache.poi.ss.util.CellReference [Z20]
org.apache.poi.ss.util.CellReference [B5]
org.apache.poi.ss.util.CellReference [C7]
org.apache.poi.ss.util.CellReference [J1]
org.apache.poi.ss.util.CellReference [K15]
org.apache.poi.ss.util.CellReference [Z20]
谢谢!它对我很好。 – viderSelf
不客气。请记住,也许对细胞也一样。如果不存在,那么总是会创建没有样式的**新**单元格,而您可能只想更改该值。 –