Export the processed webpage or background data to word through POI. The open/save dialog box is displayed in the export.
Import java. Io .*;
Import java. util .*;
Import org. Apache. Poi. poifs. filesystem .*;
Import org. Apache. Poi. util. littleendian;
Public class wordtest {
Public wordtest (){
}
Public static Boolean writewordfile (string path, string conte
When you use poi to generate an Excel file with a large amount of data, there are several problems:
1. Currently, office2003 excle supports a maximum of 65536 lines per sheet. When the data exceeds 65536 lines, an exception is reported.
2. If there are about 17 columns and about rows of data, an OOM error will occur.
Exception in thread "15124183 @ qtp-16902686-1" Java. Lang. outofmemoryerror: Java heap SpaceException in thread "thread-13" Java. Lang
Previous versions of POI do not support processing large amounts of data. If there is too much data, an OOM error is often reported. Sometimes the JVM size adjustment is not very good. Region format.
Poi of version 3.8 exports data to excel. Generally, only hssfworkbook andSxssfworkbook and hssfworkbook are used to process a small amount of data, while sxssfworkbook is used to process a large amount of dat
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 =
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