apache-poi

问题 I have a java/spring boot application where I want to build an API endpoint that creates and returns a downloadable excel file. Here is my controller endpoint: @RestController @RequestMapping("/Foo") public class FooController { private final FooService fooService; @GetMapping("/export") public ResponseEntity export() { Resource responseFile = fooService.export(); return ResponseEntity.ok() .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename="+responseFile.getFilename())

问题 I am using Apache poi to extract Mysql data to an Excel file. The code is running correctly but when I am trying to open the excel file it is showing error. package com.telkomsel.excel; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; import java.util.ArrayList; import java.util.HashMap; import org.apache.poi.xssf

问题 I am using Apache poi to extract Mysql data to an Excel file. The code is running correctly but when I am trying to open the excel file it is showing error. package com.telkomsel.excel; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; import java.util.ArrayList; import java.util.HashMap; import org.apache.poi.xssf

问题 I have an ms word doc file that i'm converting to an html document using apache poi. this is the code i'm running InputStream input = new FileInputStream (path); HWPFDocument wordDocument = new HWPFDocument (input); WordToHtmlConverter wordToHtmlConverter = new WordToHtmlConverter (DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument() ); List<Picture> pics = wordDocument.getPicturesTable().getAllPictures(); if (pics != null) { for (int i = 0; i <pics.size(); i++) { Picture

问题 I have 2 computers running Domino Designer, On my new one I get java errors in a server based application and not on the old one. I have installed the required package on both machines and I have the same compiler set in prefs. The computer with errors is a new one running windows 10 and DDE 11.0.1 FP1 and the old one is running Windows 7 and DDE 11.0.1 there is probably some paths or something that I have forgotten to set but can't find it. what can be the cause of these errors on my new

问题 I have 2 computers running Domino Designer, On my new one I get java errors in a server based application and not on the old one. I have installed the required package on both machines and I have the same compiler set in prefs. The computer with errors is a new one running windows 10 and DDE 11.0.1 FP1 and the old one is running Windows 7 and DDE 11.0.1 there is probably some paths or something that I have forgotten to set but can't find it. what can be the cause of these errors on my new

问题 I have 2 computers running Domino Designer, On my new one I get java errors in a server based application and not on the old one. I have installed the required package on both machines and I have the same compiler set in prefs. The computer with errors is a new one running windows 10 and DDE 11.0.1 FP1 and the old one is running Windows 7 and DDE 11.0.1 there is probably some paths or something that I have forgotten to set but can't find it. what can be the cause of these errors on my new

问题 I would like to have 2 sections on the same page in XWPFDocument. First section should have only 1 column, second section should have 2 columns. Currently, I am using following code: CTBody body = document.getDocument().getBody(); // 1-column section section = body.addNewSectPr(); columns = CTColumns.Factory.newInstance(); columns.setNum(new BigInteger("1")); section.setCols(columns); paragraph = document.createParagraph(); paragraph.getCTP().addNewPPr().setSectPr(section); run = paragraph

问题 The problem is very concrete: using Apache POI, I want to create cell (done), assign number format to it (done), and set format's locale ( stuck here ). The code looks like this: SXSSFWorkbook workbook = new SXSSFWorkbook(100); Sheet sheet = workbook.createSheet(); Row row = sheet.createRow(1); Cell cell = row.createCell(0); CellStyle cellStyle = workbook.createCellStyle(); cellStyle.setDataFormat(8); //currency with thousands separator and two decimal places after period cell.setCellValue

问题 I have defined a list of valuses my_list in one excel sheet as follow: In another excel sheet, I reference for some cells to that list sothat this list is shown as dropdown in the cell as follows: Using poi, I go throw excel sheet rows/columns and read cells for cell. I get value of cells using method: cell.getStringCellValue() My question is how to get the name of the list my_list from the cell? 回答1: This problem contains multiple different problems. First we need get sheet's data