Because poi is used in the work process, problems encountered during use and major poi classes are recorded.
Common poi classes include hssfworkbook, hssfsheet, hssfrow, and hssfcell.
Hssfworkbook: as its name implies, it is a workbook class.
Hssfsheet: a tab class.
Hssfrow: it is a row class.
Hssfcell: column Class.
The operation sequence is hssfwork
use poi to read The data instances of version and above : Publiclist Test instance: @Test publicvoidtestreadexcel () { try{List use poi to read An instance of the 2003 version of Excel data Publiclist The test data is the same as before: Reference Articles ; http://www.cnblogs.com/hongten/p/java_poi_excel_xls_xlsx.html Work history: Import data from Excel using PO
Requirement: The most recent project needs to move the app's upload menu function to the PC side to achieve, the main difficulty is the image of the bulk import, because the framework is the company's own development, I really dare not compliment, upload files I use JS to the server, in the background to read ....Why upload to the server, because now the security of the browser is improved, input file cannot get the true absolute address ....
Jar:poi-3.12.jar
Apache POI is an open source Java project that reads and writes Microsoft OLE2 component documents such as Excel, Word, and so on. Currently the POI has a ruby version.Structure:
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 ability to read and write Microsoft Wo
The goal of the Apache POI project is to use the Java API to create and maintain various Office files (MS Word,ms PowerPoint and Ms Excel). This series of articles is primarily for Excel file operations. For Excel operations, Apache POI offers two models: HSSF and XSSF. The difference, please refer to Figure 1 below. As of May 28, 2015, the current latest version is 3.12. For specific information, we can vi
Android POI search, nearby search, and nearby search and positioning
POI search can be performed in three ways: search within earchinbounds by range and search term, search within earchincity by city poi, and search around within earchnearby.
The following uses the peripheral search as an example to describe how to search and display the covering PoiOverlay:
Pub
First, integrated Baidu map (fool tutorial, to the site description document, here are listed a few major steps)1, Login http://lbsyun.baidu.com Baidu Map developer platform, access to the SDK and integration documentation.2, Baidu Map can provide some of the services(1) Map: Provide map display and map operation function;(2) POI search: Support peripheral Search, regional search and intra-city point of interest retrieval;(3) Geocoding: Provide the in
Content: 1. Create Excel and different types of cells 2. Read Excel3. Text extraction1. PackageCom.maya.poi;ImportJava.io.FileOutputStream;ImportOrg.apache.poi.hssf.usermodel.HSSFWorkbook;ImportOrg.apache.poi.ss.usermodel.Cell;ImportOrg.apache.poi.ss.usermodel.Row;ImportOrg.apache.poi.ss.usermodel.Sheet;ImportOrg.apache.poi.ss.usermodel.Workbook; Public classDemo3 { Public Static voidMain (string[] args)throwsException {Workbook WB=NewHssfworkbook ();//Define a workbook /*Sheet Sheet=wb.c
Import Package This is not much to say, directly paste the key code, JSP as long as the point of an action link on the line.Poi bag I was using: Poi-3.11-20141221.jarPro-Test effective:Effect:Action Class Code:Private InputStream InputStream; (Get,set method omitted) defines an input stream to catch the input stream that is generated by the service class that contains ExcelPublic String exportnetworkdevicelist () throws Exception {Setinputstream (Netw
1, in the use of the process, has been error throw new ClassNotFoundException (name); Cause: Xmlbeans-2.6.0.jar package is not imported, it is recommended that all packages are imported into the project when using POI.2. Case SourceImportJava.io.FileInputStream;Importjava.io.IOException;ImportJava.io.InputStream;ImportJava.util.Iterator;ImportOrg.apache.poi.hssf.usermodel.HSSFCell;ImportOrg.apache.poi.hssf.usermodel.HSSFWorkbook;ImportOrg.apache.poi.s
POI recommendation algorithmThe algorithm presented here is a POI recommendation based on location similarity.The algorithm is very simple and very effective in some data scenarios.The basic idea is:Treat the POI name as a labelA group of users interested in a location, then some of the group of users interested in other locations may be similar to the location;A
Transfer from--------http://www.cnblogs.com/bmbm/archive/2011/12/08/2342261.html1. First download the Poi-3.6-20091214.jar, as follows:http://download.csdn.net/detail/evangel_z/38950512.student.java
Import Java.util.Date;
Public class Student
{
private int id;
private String name;
private int age;
private Date birth;
Public Student ()
{
}
Public Student (int id, String name, int. Age, Date birth)
{
this.id =
Knowledge points: Front-end tabular data, invoke background interface, export Excel file data, use to Apache POI interfacePOI provides the ability for Java programs to read and write to Microsoft Office format files. (1) Introduction of POI and file read/write related packages in Pom.xml (2) Controller layer, table export interface/*** Export Data*/@RequestMapping ("/export")public void Expor
Use POI to read the Execl table, return an object (may be a bit imperfect, but should be able to meet the usual use), the use of reflection and so on;The jar packages used are:Commons-collections4-4.1.jarPoi-3.17.jarPoi-ooxml.3.17.jarPoi-ooxml-schemas.3.17.jarXmllbeans-2.6.0.jar/*** Static Property Bag* @author Administrator**/public class Common {public static final String office_excel_2003_postfix = "xls";public static final String Office_excel_2010
In my previous blog, "Poi and JXL write Excel performance Comparison", listed POI and JXL two ways to write Excel cells.
In general, in order to make the export better, set the cell to set the automatic column width according to the content, in the POI, using the Method Sheet.autosizecolumn ((short) i), can achieve the effect of the column width adaptive, where
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