read xls file in java

Package capture. selector; import Java. AWT. image; import Java. AWT. event. actionevent; import Java. AWT. event. actionlistener; import Java. AWT. image. bufferedimage; import Java. io. bufferedreader; import Java. io. bufferedw

This example describes the use of Phpexcel read-write Excel (xls) files in PHP, very practical. Share for everyone to use for reference. The specific methods are as follows: Many PHP class libraries in the reading of Chinese XLS, CSV file will have problems, the Internet to find the next data, found Phpexcel class lib

Recent projects need to read encrypted Excel, there are two types of XLS and xlsx, for the encryption and decryption Apache official website has a brief descriptionRequired jar Package Poi-3.9,jar Poi-ooxml-3.9.jar Poi-ooxml-schemas-3.9.jar Xmlbeans-2.3.0.jar Dom4j-1.6.1.jarNote that the 3 Jar version number of the POI should correspond, or there will be some problems.On the Code ~ /** * Excel Import */@

I previously wrote a PHP read the contents of a CSV fileOn the Code index.phpPHP/** * * @author XC **/ classexcel{ Public$currentSheet; Public$filePath; Public$fileType; Public$sheetIndex =0; Public$allColumn; Public$allRow; Publicfunction Initialized ($filePath) {if(File_exists ($filePath)) {$ This->filepath=$filePath; }Else{ returnArray (); } //cache as hard disk$cacheMethod =phpexcel_cachedobjectstoragefactory:: Cache_to_di

This article introduces java File Read and Write instances, including saving remote files to this address and reading and writing csv files. If you are interested, refer. File file = new File ("http: // 127.0.0.1: 8080/aa.txt") ca

problem occurs in the judgment condition of the while loop. Ready () is the decision to stop the input stream and not necessarily the end of the file. The conclusion of the file should be the following statement: The code is as follows Copy Code (line = Br.readline ())!= null So that you can finish reading the original file

(Tmp.get (j). ToString ());}count++;}Response.reset ();Response.setcontenttype ("APPLICATION/X-DOWNLOAD;CHARSET=GBK");Response.setheader ("Content-disposition", "Attachment;filename=" +java.net.urlencoder.encode (Xlsname + ". xls", " UTF-8 "));Template.getworkbook (). Write (Response.getoutputstream ());Response.getoutputstream (). Flush ();Response.getoutputstream (). Close ();}}Called in the control layer/*** @projectname Project Name: SPRING_MVC*

String Realpath = Request.getrealpath ("web-inf/classes/com/properties/devicetype.properties");The above is the most correct way to get the path, so the properties can be placed under a COM package, or in the SRC directory.Properties props =NewProperties (); ArrayList Al=NewArrayList (); Try{InputStream in=NewBufferedinputstream (NewFileInputStream (Realpath)); Props.load (in); Enumeration en=Props.propertynames (); while(En.hasmoreelements ()) {String key=(String) en.nextelement

Java read Txt,java read large filePackage com.bbcmart.util;Import Java.io.File;Import Java.io.RandomAccessFile;Import Java.nio.MappedByteBuffer;Import Java.nio.channels.FileChannel;public class Test {public static void Main (string[] args) throws Exception {Final int buffer_size = 0x1200000;//buffer size is 12MSystem.o

Library Required:XLRD, XLWT, xlutilsImportImport xlrd from Import CopyOpen Filedata = Xlrd.open_workbook (R'E:\work\Text id.xls'= data.sheet_by_name (U') Sheet1')Read the value of a cellTextid = Table.cell (i,0). ValueWrite valueTable.put_cell (row,col,1, "string", 0)Add some Notes# Simple Write to row =# type 0 empty,1 string, 2 number, 3 date, 4 Boolean, 5 error' Cell Value '# Extended formatted Table.put_cell (Row, col, CType, value, XF)W

Java Read configuration File tool classUsing Java.util.PropertiesImportjava.io.IOException;ImportJava.io.InputStream;Importjava.util.Properties; Public classPropertiesreader {Private StaticProperties prop; Static{reload (); } Private Static voidReload () {prop=NewProperties (); Try{InputStream InputStream= Propertiesreader.class. getClassLoader (). getResource

classPoiutil {Private StaticLogger Logger = Logger.getlogger (poiutil.class); Private Final StaticString xls = "xls"; Private Final StaticString xlsx = "xlsx"; /*** read into Excel file and return after parsing *@paramfile *@throwsIOException*/ Public StaticListthrowsioexception{//Check Filecheckfile (

the specified range: MyExcel.activesheet.range ("A1:b5"). Copy 28 Paste: Myexcel.worksheets ("Sheet2"). Range ("A1"). PasteSpecial 29 Insert a line before line 2nd: MyExcel.activesheet.rows (2). Insert 30 insert a column before the 2nd column: MyExcel.Activesheet.Columns (2). Insert 31 Merging C4:d4 cells: MyExcel.Activesheet.Range ("C4:d4"). Merge () 32 AutoFit 2nd Column width: myExcel.activesheet.Columns (2). AutoFit 33 Set Font: MyExcel.Activesheet.cells (2,1). Font.name= "Black

file.separator this main slow method does not needString ff=path+offername+ ". xls";int count=0;Template.createrow (count);Template.createcell ("serial number");Template.createcell ("bank");Template.createcell ("Bank account of the debit person");Template.createcell ("User name");Template.createcell ("Amount (unit: Yuan)");Template.createcell ("Enterprise Journal number");Template.createcell ("Remarks");Template.createcell ("mobile phone number");Tem

Java handles large files, generally with bufferedreader,bufferedinputstream such as buffered IO classes, but if the file is oversized, the faster way is to use Mappedbytebuffer.Mappedbytebuffer is a File memory mapping scheme introduced by Java NIO, which is very high in read