java像excel表格列一样添加一列后列名输出A~Z或AA~AZ等求输入1则输出为...答:可以用如下代码实现改功能,输入一个数字27返回AB String[] array = new String[] { "A", "B", "C", "D", "E", "F", "G", "H","I", "J", "K", "L", "M", "N", "O", "P", "Q","R", "S", "T", "U", "V", "W", "X", "Y", "Z" };int num ...
如何用java向指定的Excel中写入数据答:).getAddress(),wf));wws.addCell(new Label(7,i+2,"",wf));wws.addCell(new Label(8,i+2,fesOrder.getOrderNo(),wf));wws.addCell(new Label(9,i+2,"",wf));} wwb.write();wwb.close();out.flush();out.close();download(req,res,fileName);这个是我写的简单的导出excel ...