poi-hssf

I'm using hssf api for reading data from xls files. But is there any way to get the exact no. of sheets in a workbook containing stored data? What does getNumberOfSheets return you? 来源： https://stackoverflow.com/questions/2077566/how-to-know-number-of-sheets-in-a-workbook

I have to delete a sheet from the Excel file. Here's my code snippet : FileInputStream fileStream = new FileInputStream(destFile); POIFSFileSystem fsPoi = new POIFSFileSystem(fileStream); HSSFWorkbook workbook = new HSSFWorkbook(fsPoi); int index = 0; HSSFSheet sheet = workbook.getSheet("Setup"); if(sheet != null) { index = workbook.getSheetIndex(sheet); workbook.removeSheetAt(index); } return destFile; After this I'm getting exactly the same workbook which I passed, without the removal of the sheet "Setup" Help me resolve this. Any help would be appreciated After editing your workbook, you

I'm using Apache's POI to manipulate Excel (.xls) files with Java. I'm trying to create a new cell whom content is the result of a formula as if the user had copied/pasted the formula (what i call the "relative" way, as opposite to "absolute"). To make myself clearer, here is a simple example: Cell A1 contains "1",B1 contains "2", A2 contains "3", B2 contains "4". Cell A3 contains the following formula "=A1+B1". If I copy the formula to the A4 cell under excel, it becomes "=A2+B2" : excel is adapting the content of the formula dynamically. Unfortunately I cannot get the same result

My data is stored in a format(look down): [-] means a blank cell, on the right may be only 10 columns, after the space. Something like this: [string0] [-] [string1] [string2] [string3] .. [string10] [-] How to change this code for: 1) obtain only [string0] 2) obtain only [string1] [string2] [string3] .. [string10] [-] try { FileInputStream file = new FileInputStream("C:\\Users\\student3\\"+sfilename+".xls"); //Get the workbook instance for XLS file HSSFWorkbook workbook = new HSSFWorkbook(file); //Get first sheet from the workbook HSSFSheet sheet = workbook.getSheetAt(0); //Iterate through