WebDec 16, 2014 · Well, it looks like HSSFWorkbook constructor closes filestream after reading from it.. Simpliest and straightforward solution - open file for reading, create HSSFWorkbook, do what you want in that workbook, and then open file again for writing and write to it.. It is safe to use hssfwb outside of using scope because HSSFWorkbook … Web2. My solution is to transfer the HSSFWorkbook to ByteArrayOutputStream first, and then create an InputStream from ByteArrayOutputStream : HSSFWorkbook wb = ... // Fill an empty output stream ByteArrayOutputStream baos = new ByteArrayOutputStream (); wb.write (baos); // Close the document wb.close (); // Create the input stream (do not …
C# 之 使用XSSFWorkbook 设置单元格样式 - CSDN博客
WebC# (CSharp) NPOI.HSSF.UserModel HSSFSheet - 已找到38个示例。这些是从开源项目中提取的最受好评的NPOI.HSSF.UserModel.HSSFSheet现实C# (CSharp)示例。您可以评价示例,以帮助我们提高示例质量。 WebC# HSSFWorkbook.Write使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。. 您也可以进一步了解该方法所在 类NPOI.HSSF.UserModel.HSSFWorkbook … can i work without a tfn
C# 使用 NPOI 库读写 Excel 文件 - 腾讯云开发者社区-腾讯云
WebMay 23, 2024 · 相关推荐. 2004 - 2024 博客园·园荐 意见反馈意见反馈 WebJul 16, 2024 · HSSFworkbook,XSSFworkbook,SXSSFworkbook区别HSSFWorkbook:是操作Excel2003以前(包括2003)的版本,扩展名是.xls;导出excel最常用的方式;但是此种方式的局限就是导出的行数至多为65535行,超出65536条后系统就会报错。XSSFWorkbook:是操作Excel2007后的版本,扩展名是.xlsx;为了突破HSSFWo... WebNov 12, 2024 · An NPOI Excel worksheet consists of rows, and rows contain cells. In other words, you need a row to work with its cells. The concept of column isn’t as important. In order to create rows and cells, … five twelfths of 48