poi ooxml

When I read EXCEL from poi, I encountered the following common case: When you enter 1000 in a cell, poi needs to use getnumericcellvalue () to obtain the value, even though you set the cell to text in Excel. If you insist on using getstringcellvalue (), the following error is returned: Cannot get a text value from a numeric cell... When you use getnumericcellvalue () to obtain the value, you will find that

Yesterday, when I used poi to parse the Excel file, I found that if the Excel file is encrypted, that is, the Excel file is set to protected worksheet (tool --> Protection Work Sheet) the poi of apahce cannot parse the encrypted Excel file. However, if only one sheet in the encrypted Excel file (that is, the sheet protected by the Excel file is set to protected) can be parsed ~~~ In addition,

); } /*** Find the number of rows to insert and create a new POI Row Object *@paramsheet *@paramRowIndex *@return */ Privatexssfrow CreateRow (xssfsheet sheet, Integer rowIndex) {xssfrow row=NULL; if(Sheet.getrow (rowIndex)! =NULL) { intLastrowno =Sheet.getlastrownum (); Sheet.shiftrows (RowIndex, Lastrowno,1); } row=Sheet.createrow (RowIndex); returnRow; } /*** Create a row in which to enter the cell *@param

Problem occurs 1:Use POI to export Excel under Spring MVC Framework, set export file name: Response.setheader ("Content-disposition", "Attachment;filename=" +sourceid+ "_" + datestring+ ". xls");When this method is used to catch a package test, it shows that the bug URL is not valid.Workaround: String filenmae = Urlencoder.encode for "attachment;filename=" +sourceid+ "_" +datestring+ ". xls" ("attachment; Filename= "+sourceid+" _ "+datestring+". xls "

jar:http://poi.apache.org/of POI There will be a lot of jars after the download, but if it's just a simple Excel report, import a poi-version number-the date. Jar is ready. Export code: Privatevoidoutputexcel (stringquerydate,string[]headers, List Uh, add a MySQL function to get the date Date_format (formatdate, '%y-%m ') Finally, the point is that when the request is exported, the AJAX request cannot be us

Use POI to create a simple Myxls.xls fileThe usual package is org.apache.poi.hssf.usermodel.*;Example:Import java.io.*;Import org.apache.poi.hssf.usermodel.*;public class Zoomsheet {Public Zoomsheet () {}public static void Main (String args[])Throws IOException {Hssfworkbook wb = new Hssfworkbook ();Hssfsheet Sheet1 = wb.createsheet ("new sheet");FileOutputStream fileout = new FileOutputStream ("Workbook.xls");Wb.write (fileout);Fileout.close ();}}Cla

Java uses POI to import data from a database into Excel Effect: Use the first POI package into the project path, note that only need to import POI package can be downloaded after three jar package Core code: Connection database: Dbconnection.java Copy Code code as follows: Package org.xg.db; Import java.sql.Connection; Import Java.sql.Driver

The Apache poi is a free, Open-source Java API Written in Java that provides the ability to read and write to Microsoft Office format files. The official download address for the Apache POI Source and library (jar package) is: http://poi.apache.org/download.html I also provided a download address: http://download.csdn.net/detail/gaojinshan/7487253 It is the latest version (

Process Description: The POI object includes a partial base color, which is used in the form Hssfcellstyle Styleheader = Wb.createcellstyle ()//Create a cell's style //Background color setting style.setfillbackgroundcolor ( HSSFColor.GREEN.index); Among them, HSSFColor.GREEN.index is the color that poi comes with. Our idea is to modify POI's own color, configure its RGB to the color we want

Using tools:JQuery Ocupload Jquery.ocupload-1.1.2.jsApache POI Poi-3.9.jarIf you are using Maven:Jsp:enctype= "Multipart/form-data " method= "POST" >Js:　function Uploadexcle () {var file = $ ("#file"). Val ();if (' = = File ') {Alert ("Please select File");Return}var fileType = (file.substring (File.lastindexof (".") + 1, file.length)). toLowerCase ();if (fileType!== ' xls ' fileType!== ' xlsx ') {Alert ('

Sometimes, we need to manipulate Apache POI to generate cell data while generating the cell, plus annotations (comments), similar to the following.So how do we write our code in this case? Jiehuaxianfo, I'll use the official Apache POI example, and then add some annotations, to show you. The test code for this example is based on POI-3.12.After execution, the Exc

I. Latest poi Toolkit Http://www.apache.org/dyn/closer.cgi/jakarta/poi/ See the documentation Poi home: http://jakarta.apache.org/poi, Excel Structure Hssfworkbook Excell object IntroductionHssfsheet Excell formHssfrow Excell rowLattice unit of hssfcell ExcellHssffont Excell fontHssfnameHssfdataformat Date FormatPoi1.7

Recently, my company has given me more and more interesting tasks. In the past two days, we have to change the jquery style to the tab style. This is not difficult, but the most troublesome thing is the business. Well, of course this is not the focus of today's blog. A task just completed a few days ago is to use poi to export the word based on the template. It takes one and a half days to complete the task. At first, I thought it was a technical acti

Poi should now be a more popular tool for manipulating Excel. This has been done over the past few days with a combination of struts2 and POI to achieve the ability to export Excel. Personally, I think it's more useful. The code is also very easy to read. Come down and share my experience.1 struts2 download Excel file mechanismThe Struts2 action uses a POI and an

First of all, the difference between JXL and POI.The same point is a tool to operate Excel, but JXL is not commonly used for reasons such as: JXL no one to maintain, the operation of Excel ineffective, only support 03 and its previous version of Excel, the image support is not complete.Compared to POI, the POI is highly efficient and supports all versions with Xlsx,xls support. And the operation of big data

, to get the results you want. * Here's another way, before we take a look at the ToString () method in the Poi: * * This method is the POI method, from the source we can find that the process Is: * 1. Gets the type of cell * 2. Format the data according to the type and Output. This creates a lot of things that are not what we want * so make a makeover on this method. */ /*public String toString () {

Back up data in tabular form(1) Import the POI jar packagePut under Lib: webroot\web-inf\lib\Poi-3.2-final-20081019.jar(2) StringBuffer converted to a two-dimensional arrayDefine a stringbuffer to \ r \ n A one-dimensional array with \ t divided into two-dimensional arraysStringBuffer Strff = new StringBuffer ("name \ t age \ t sex \ r \ n Small fairy \t18\t female \ r \ n");convert StringBuffer data to one

First, to configure the environment selenium+testng and POI package, selenium+testng environment is not elaborate, here is the sharing of POI package Https://pan.baidu.com/s/1BJEIWR57_4vwrCDy6WuBWAAfter downloading, add the Lib file to the project and put the desired POI package into it, and import its Java build path into the project.Second, create a new Excel d

Java read-write Excel package is Apache POI (Project address: http://poi.apache.org/), so you need to obtain the POI jar package, this experiment is using the POI 3.9 stable version. Apache POI code example address: http://poi.apache.org/spreadsheet/quick-guide.html This example reads Microsoft Office Excel 2003/2007/2

Recently, finally a little time, the previous map point of Interest Crawler (http://blog.csdn.net/sparkexpert/article/details/51554813) perfected the next, And spent seven days crawling through all the categories of POI data covering any part of the country. Data download is still a difficult process, but fortunately, after the adoption of new methods, there is little need for manual intervention, of course, there will be network restrictions, but ba