apache-poi

问题 I'm using Apache POI 3.7 with Spring MVC 3.1. How to set excel default row height in apache POI? I've tried sheet.setDefaultRowHeight((short) 100) and sheet.setDefaultRowHeightInPoints(100) but that doesn't work. Any suggestion for this problem? Thank you. 回答1: I use row.setHeightInPoints((2 * sheet.getDefaultRowHeightInPoints())); to set it (for example) to 2 characters high. 回答2: Create a style with the desired height and apply it to the cells you want to appear that way. Documentation can

问题 I'm using Apache POI 3.7 with Spring MVC 3.1. How to set excel default row height in apache POI? I've tried sheet.setDefaultRowHeight((short) 100) and sheet.setDefaultRowHeightInPoints(100) but that doesn't work. Any suggestion for this problem? Thank you. 回答1: I use row.setHeightInPoints((2 * sheet.getDefaultRowHeightInPoints())); to set it (for example) to 2 characters high. 回答2: Create a style with the desired height and apply it to the cells you want to appear that way. Documentation can

问题 Due to millions of records to handle, I have to handle SAX parsing using the technique given here. http://poi.apache.org/spreadsheet/how-to.html#event_api. However Date type is convered to Number. How to distinguish between Date and Number when using HSSFListener? 回答1: The Excel file formats store all dates as numbers with special formatting rules. It's not that HSSF is converting it, you're getting exactly what Excel stores in the file! If you want good examples of HSSF Event processing for

问题 I want to use Apache POI library to parse excel files (old versions and newer versions of excel). So I was wondering what jars do i need to include from the Apache POI because in following link: http://mvnrepository.com/artifact/org.apache.poi I found lots of jars to be included, do I need to include them all? If so, what is the latest stable version to be included, and does it work with Microsoft's Office 2010? 回答1: No, you don't have to include all of POI 's dependencies. Maven's transitive

问题 I want to use Apache POI library to parse excel files (old versions and newer versions of excel). So I was wondering what jars do i need to include from the Apache POI because in following link: http://mvnrepository.com/artifact/org.apache.poi I found lots of jars to be included, do I need to include them all? If so, what is the latest stable version to be included, and does it work with Microsoft's Office 2010? 回答1: No, you don't have to include all of POI 's dependencies. Maven's transitive

问题 I have a large .xlsx excel sheet with 400,000 rows. I want to read and write in this existing workbook. When i tried to read it in java with Apache poi, with following code: FileInputStream fileInputStream = new FileInputStream(new File(excelPath)); Workbook wb = new XSSFWorkbook(fileInputStream); Second line of this code takes RAM upto 5gb. Apache POI has given a SXSSF Streaming API to handle large Excel file. http://poi.apache.org/components/spreadsheet/how-to.html#sxssf Now, when I

问题 I have a large .xlsx excel sheet with 400,000 rows. I want to read and write in this existing workbook. When i tried to read it in java with Apache poi, with following code: FileInputStream fileInputStream = new FileInputStream(new File(excelPath)); Workbook wb = new XSSFWorkbook(fileInputStream); Second line of this code takes RAM upto 5gb. Apache POI has given a SXSSF Streaming API to handle large Excel file. http://poi.apache.org/components/spreadsheet/how-to.html#sxssf Now, when I

问题 I have a large .xlsx excel sheet with 400,000 rows. I want to read and write in this existing workbook. When i tried to read it in java with Apache poi, with following code: FileInputStream fileInputStream = new FileInputStream(new File(excelPath)); Workbook wb = new XSSFWorkbook(fileInputStream); Second line of this code takes RAM upto 5gb. Apache POI has given a SXSSF Streaming API to handle large Excel file. http://poi.apache.org/components/spreadsheet/how-to.html#sxssf Now, when I

问题 I have a large .xlsx excel sheet with 400,000 rows. I want to read and write in this existing workbook. When i tried to read it in java with Apache poi, with following code: FileInputStream fileInputStream = new FileInputStream(new File(excelPath)); Workbook wb = new XSSFWorkbook(fileInputStream); Second line of this code takes RAM upto 5gb. Apache POI has given a SXSSF Streaming API to handle large Excel file. http://poi.apache.org/components/spreadsheet/how-to.html#sxssf Now, when I

问题 I am trying to convert XWPFDocument to PDF but getting an error. I am using - https://mvnrepository.com/artifact/fr.opensagres.xdocreport/fr.opensagres.poi.xwpf.converter.pdf/2.0.1. <!-- https://mvnrepository.com/artifact/fr.opensagres.xdocreport /fr.opensagres.poi.xwpf.converter.pdf --> <dependency> <groupId>fr.opensagres.xdocreport</groupId> <artifactId>fr.opensagres.poi.xwpf.converter.pdf</artifactId> <version>2.0.1</version> </dependency> Code: FileInputStream fis = new FileInputStream("1