I don't want to define an excel template like writing jsp, and then input variables into the excel template like using jstl and el expressions. Now it's easy to use jxls, the core code is very simple. [Java] // call the engine to generate an excel report XLSTransformer transformer = new XLSTransformer (); Workbook work
Official introduction
HSSF is the POI Project's pure Java implementation of the Excel ' ( -2007) file format. XSSF is the POI Project's pure Java implementation of the Excel OOXML (. xlsx) file format. Learned from official documentation: the HSSF package provided by the POI is used to operate E The. xls file for
Objective: The code is based on the actual needs, last week to finish a transfer of external movie Coupon Interface Project, this week the product also Excel table, the general content is: The ticket belongs to the cinema, image URL, and other information produced as an Excel table, the data of each synchronization came to him analysis.Java Operations Excel is t
* HEIGHT:PIX=GETHEIGHTINPOINTS*96/72 * * This example reads the Excel report file and tries to convert the report to a PNG image without distinction * using POI to read Excel data * Using Java 2D to draw PNG * TODO This example basically implements all the style output for
Code examples of four open source systems for processing Word, Excel, and PDF documents in JavaMany people often encounter a problem when using Java for document operations, that is, how to obtain the content of documents such as Word, Excel, and PDF? I have studied and summarized several methods for extracting word and PDF.
1. Use Jacob to Extract files such as
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
Java uses poi to import data in the database to Excel
Effect:
Import the poi package to the path of the project before use. Note that you only need to import the poi package. After downloading the package, there are three jar packages.
Core code:
Connect to the database: DBConnection. java
Copy codeThe Code is as follows: package org. xg. db;
Import
. colour. Red); // set the cell color to red.Wcffc = new jxl. Write. Label (6, 0, "I love China", wcffc );
The following is an example of user operations:
The exercise code I wrote is as follows: (Note that you can replace the picture with your own)
Import java. Io .*;
Import java. util. Random;
Import java. util. da
exceeds this limit , you need to create a new sheet, the following is an example of a large file read and write operation to Excel.Import Java.io.inputstream;import java.util.date;import Java.util.iterator;import Java.util.map;import Java.util.regex.pattern;import Org.apache.poi.openxml4j.opc.opcpackage;import Org.apache.poi.ss.usermodel.builtinformats;import Org.apache.poi.ss.usermodel.dateutil;import Org.apache.poi.xssf.eventusermodel.xssfreader;im
Recently, I found that many questions have been raised in this regard. It took some time to find some materials and work out a simple example for Java to operate www. lowagie. comJava operation Word, Excel, Access Reference: danadler. comjacbjakarta. apache. orgpoiwww. onjava. compubaonjava2
Recently found that this problem is particularly many, took some time to
In J2EE application development, for various reasons, it is often necessary to process some old Excel format spreadsheet data or generate workbooks. There are many ways to process Excel workbooks. For example, JDBC can be used to read the contents of a workbook like reading data in a database. Here we use the open-source spreadsheet processing tool jxl, that is,
Forfont.setalignment (alignment.centre);//Text Center//Create a cell and specify location, content and format label Toplabel = new label (0 , 0, "merge cells, set font format", forfont);//Add the Created Cell object into the sheet page Sheet.addcell (toplabel); Sheet.setrowview (0, 1000);/* ========== = formatted case of number in cell ============ *///Create number formatted object NumberFormat Numformat = new NumberFormat ("#.000");//Create cells to format objects and add numeric formatting o
To operate the Excle file, first download the Jxl.jar file, the version I use is 2.6. Download Address: http://www.andykhan.com/jexcelapi/download.html.
Java Excel is an open source project through which Java developers can read the contents of Excel files, create new Excel
some time ago because of the need to develop a Web site, the study of Java to achieve Excel read and write, generally when we do management software, we need to print the report, how to make the report? I believe it must be difficult for everyone, this article for everyone to uncover its mystery, study half, you will certainly have a deep understanding of the production of the report. Not much to say, the
POI Profile (official website: http://poi.apache.org/)Apache POI is an open source library of the Apache Software Foundation, where POI provides the ability for Java programs to read and write to Microsoft Office format files. Since 2009-09-28, the release of the 3.5 version, providing support for Office2007;Some important places about Apache POI :1) Apache POI contains HSSF implementations for excel97-2007 (. xls files).2) Apache POI XSSF Implementat
Sometimes a project needs to export data to an Excel file, or read data from an Excel file.
OK, so now let's use a simple example to illustrate how Java reads Excel documents.
Search the Web Jxl.jar this jar package, which provides Java
Recently, I found that many questions have been raised in this regard. It took me some time to find some materials and work out a simple example for java to operate www. lowagie. comJava operation Word, Excel, access Reference: danadler. comjacbjakarta. apache. orgpoiwww. onjava. compubaonjava2003
Recently found to ask this question extraordinary many, took some
Python calls the java module SmartXLS and jpype to modify the excel file
This article mainly introduces how to use python to call the java module SmartXLS and jpype to modify excel files. It involves the related skills of Python to call the java module and is very useful. Fo
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