java - JExcel API : how to change the color of a Cell?

Question

我搜索如何更改在 Excel 文件中选择的单元格的颜色。 我测试了这段代码:

    WritableCell c = sheet.getWritableCell(0,0);
    WritableCellFormat newFormat = new WritableCellFormat(c.getCellFormat());
    newFormat.setBackground(Colour.RED);
    c.setCellFormat(newFormat);

但是这个例子没有运行。 解决办法是什么？

Answer 1

看看这个 你可能没有使用 write();并关闭()；方法

Workbook wk= Workbook.getWorkbook(new File("ex.xls"));

WritableWorkbook workbook = Workbook.createWorkbook(new File("modifed.xls"), wk);

WritableSheet sheet = workbook.getSheet(0);

WritableCell c = sheet.getWritableCell(0,0);

WritableCellFormat newFormat = new WritableCellFormat();

newFormat.setBackground(Colour.RED);

c.setCellFormat(newFormat);



workbook.write(); // important to use
workbook.close();