在Excel公式的文件名前后加上方括号 [英] Put brackets around filename for Excel formula

问题描述

我的项目基于Apache POI，我正在尝试在单元格上使用公式.我的公式如下.

My project is based on Apache POI.I'm trying to use a formula on a cell. My formula is as follows.

sheet7.createRow(0).createCell(0).setCellFormula("+'C:\\Users\\Desktop\\[Test.xlsx]Average_Graph'!A2");

我使用的是JFileChooser，它允许用户选择文件.因此，每次使用该程序时，文件路径都会更改.

Im using a JFileChooser, which allows users to select the file. Therefore the filepath will be changed every time the program is used.

从JFileChooser，我得到的文件路径如下.

From the JFileChooser, I'm getting a filepath as follows.

 String filepath= "C:\\Users\\Desktop\\Sheet.xlsx"`

为了正确地使用公式，文件路径应采用以下格式.

In order to work the formula correctly, the filepath should be in following format.

"C:\\Users\\Desktop[Sheet.xlsx]"

如何更改从JFileCHooser获取的字符串以正确运行公式?

How Can I Change the string which I'm getting from the JFileCHooser to run the formula correctly?

推荐答案

如果您有一个 JFileChooser ，则有一个 File 对象，而不仅仅是一个 String

If you have a JFileChooser, you have a File object, not just a String

并且您应该始终使用 File 或 Paths API来独立于操作系统

And you should use the File or Paths API anyway to be OS independent

File f = jFileChooser.getSelectedFile();
String path = f.getParent();
String name = f.getName();

String newFormat = String.format("%s[%s]", path, name);

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