poi library

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

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

Monitor reports export Excel summary based on POI Poi manipulating Excel objects HSSF: Manipulating Excel (. xls) format XSSF: Manipulating Excel 2007 OOXML (. xlsx) format to manipulate Excel memory usage above HSSF SXSSF: Support from POI3.8 Beta3, based on XSSF, low memory footprint. 1. Principle of realization Based on the Excel configuration template for report export, to achieve the export of Excel

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 ('

Exporting data through Excel has become a basic feature of various web sites, and below is a detailed introduction to how to export Excel files using the Poi.jar method. The steps are as follows:1, create a website, below I create a site called test, and then put the POI jar package into the Lib folder. I am here to download the link poi-2.5.1.jar.The structure directory is as follows:2. Then we can create

Don't talk nonsense, post codeIntroduction Rack Pack: Poi-3.12-20150511.jar Poi-ooxml-3.12-20150511.jarPipe network can be downloadedTry{flogicdatasetJava Apache POI export Excel

Java POI Implementation inserts a picture into ExcelTags: javapoiexcel2014-03-05 08:59 9103 People read Comments (4) favorite reports Classification:"Java Development"-----JavascoreCopyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.Doing web development inevitably involves dealing with Excel. Boss, give me a job today.-Export Excel. Start to think is pretty simple, nothing is to find, build ex

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

Package COM. wiseweb. util. excel; import Java. io. *; import Java. util. *; import javax. swing. joptionpane; import Org. apache. poi. hssf. usermodel. *; import Org. apache. poi. hssf. util. hssfcolor; import COM. wiseweb. pom. entity. baiinfopricetime; public class exportexcel Poi export Excel documents

Package lili.com; Import java. io. BufferedOutputStream;Import java. io. File;Import java. io. FileInputStream;Import java. io. FileOutputStream;Import java. util. List; Import org. apache. poi. hwpf. HWPFDocument;Import org. apache. poi. hwpf. model. PicturesTable;Import org. apache. poi. hwpf. usermodel. Picture; Public class TestPicture {Public static void ma

Import Java.lang.reflect.Field;Import java.lang.reflect.InvocationTargetException;Import Java.lang.reflect.Method;Import Java.sql.Date;Import java.util.ArrayList;Import java.util.List;Import Org.apache.poi.ss.usermodel.Cell;Import Org.apache.poi.ss.usermodel.CellStyle;Import Org.apache.poi.ss.usermodel.CreationHelper;Import Org.apache.poi.ss.usermodel.Row;Import Org.apache.poi.ss.usermodel.Sheet;Import Org.apache.poi.ss.usermodel.Workbook;Import org.apache.poi.ss.util.CellRangeAddress;Import Org

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