poi handles

Recent Excel Import There are two methods: jxl and poi Problems: jxl import: If a macro exists in the file, an error is reported. The solution cannot be found. Poi import: memory overflow is caused by a large file size. Exception in thread "Main" Java. Lang. illegalstateexception: cannot get a text value from a numeric formula Cell This problem is because the cell uses the "sum function" and the content is

Poi should be a popular Excel tool at present. In the past few days, struts2 and poi have been used in combination to export the EXCEL function. I personally think it is more practical, it's easy to read the code. Let's share my experiences. 1. struts2 Excel File Download Mechanism In struts2 action, poi and input/output streams are used to send binary data to th

The mission of the Apache POI project is to create and maintain the Java API to manipulate various file formats based on Office Open XML Standard (OOXML) and Microsoft's OLE Composite Document Format (OLE2) 2. In short, you can read and write Excel files using java. In addition, you can read and write MS Word and PowerPoint files using java. Apache POI is a Java Excel solution (Excel 97-2008).Need Jar:poi-3

Java uses poi to export data to excelBackground: In the previous article, we used jtds to connect to the database to obtain the corresponding data. This article describes how to use poi to store data everywhere in excel. This program is an ApplicationBody: third-party poi jar package: poi driver package download code s

Java code /*************************************** ***************************** * * (C) Copyright ISFnet Japan, Ltd. 2011 All rights reserved. * **************************************** ****************************/ Package excel; Import java. io. FileInputStream; Import java. io. FileNotFoundException; Import java. io. FileOutputStream; Import java. io. IOException; Import org. apache. poi. hssf. usermodel. HSSFSheet; Import org. apache.

In the management system, often used to download files, especially Excel report creation and download, the following to a simple demonstration, STRUTS2 implementation of the Excel file download function. Because this experiment is to dynamically create Excel files, you need some jars: Java read-write Excel package is Apache POI (Project address: http://poi.apache.org/), so you need to obtain the POI jar pac

In the first section of the POI, we provide two simple examples of how to create a new workbook with Apache Poi, and another example is to create a new worksheet with Apache POI. So in this section, I'll show you how to insert a new row of data into an existing Excel file using Apache poi. For specific code, see the ex

In the first section of the poi, we provide two simple examples of how to create a new workbook with Apache poi, and another example is to create a new worksheet with Apache Poi. So in this section, i'll show you how to insert a new row of data into an existing Excel file using Apache Poi. For specific code, See the ex

Java operation Excel file, there are two tools can be used, one is JXL, one is poi. Recently made the requirement to use to POI, so this article describes the use of POI (currently only describes writing Excel files).First, IntroductionJakarta POI is a subproject of Apache, with the goal of processing Ole2 objects. It

In actual projects, the function of exporting data to excel is often available. In the previous stage, I studied how to export data from poi to excel and organized an export tool class. I will paste the code below, learn from each other! Tool Import Java. io. outputstream; import java.net. urlencoder; import javax. servlet. HTTP. httpservletresponse; import Org. apache. poi. hssf. usermodel. hssfcell; impor

Recently, due to work requirements, a tool class for Excel operations is based on poi. Share with you. Package COM. shine. framework. core. office; import Java. io. fileinputstream; import Java. io. filenotfoundexception; import Java. io. fileoutputstream; import Java. io. ioexception; import Java. util. arraylist; import Java. util. list; import Org. apache. poi. hssf. usermodel. hssfcell; import Org. apa

Poi export excel and poiexcel I. Introduction HSSF is the implementation of POI project's pure Java Excel97 (-2007) file format. XSSF is a Java implementation of the POI project Excel 2007 OOXML (.xlsx) file format. HSSF and XSSF provides multiple ways to read from, create, modify, read, and write workbooks. It provides the following functions: Provides a low-l

Java programming to achieve the operation of Word without VB that programming language easy to come by some open source components, including Jacob, Poi and so on, and poi most widely used, word2003 and 2007 of the read and write word operations are very convenient. It's an Apache project that has already released its first version as early as 2001, an old Apache project that has now gone through 10 years,

Prior to opening the POI classification already existed three articles introduced the use of POI and the flow of the download, the recent project found before the use of defects, today to do a summary, from now on we can ignore the first three articles on the use of POI, but the flow of the load mode can be referred to, here or again to mention a pen, Streaming d

The Apache POI is an open source library of the Apache Software Foundation to help Java programs read and write to Microsoft Office format files. POI provides the following types for parsing Microsoft Office format files: HSSF-provides the ability to read and write Microsoft Excel xls format files. XSSF-provides the ability to read and write Microsoft Excel OOXML xlsx format files. HWPF-provides the abil

Just started using new Hssfworkbook (Excelfile) to read workbook, no problem with the previous version of Excel2003 (including 2003), FileInputStream However, the following exception occurred while reading Excel2007:Org.apache.poi.poifs.filesystem.OfficeXmlFileException:The supplied data appears to being in the Office 2007+ XML. You are calling the "part of POI" deals with OLE2 Office Documents. You are need to call a different part of the

Process: (similar to JXL, just reading logic a little different) The two main differences with JXL: 1, read and write a slightly different way: (1) POI read: [Java] view plain copy print? (2) JXL read: [Java] view plain copy print? 2. The data types are judged in a slightly different way: (1) Personally feel that the data type processing, poi than JXL convenient and practical,

Have done many times to export Excel. Have encountered a problem, if the content contains a relatively long number, such as the order number "2546541656596", Excel will automatically become the scientific counting method ...Did not solve several times, and recently also exported Excel, determined to find a solutionIn Excel, the longer numbers are automatically turned into scientific notation unless we set the cell format to "text"Haha, seems to find the idea: Use the

Recent projects need to read encrypted Excel, there are two types of XLS and xlsx, for the encryption and decryption Apache official website has a brief descriptionRequired jar Package Poi-3.9,jar Poi-ooxml-3.9.jar Poi-ooxml-schemas-3.9.jar Xmlbeans-2.3.0.jar Dom4j-1.6.1.jarNote that the 3 Jar version number of the POI

First LectureAbout PoiApache POI is an open source library of the Apache Software Foundation, where POI provides APIs to Java programs to read and write to Microsoft Office format archives.1. Create a new workbook and name the workbookWorkbook wb=new// define a newer workbook fileoutputstream fileout= new FileOutputStream ("c:\\-out workbook with Poi"); Wb.write