poi set

action, it is a singleton by default. Every time we refresh or call it, we put it in our fielderror map, so more and more errors will be displayed.When the request range of action is prototype, Spring dynamically creates an action instance.We can implement the validate method in the action to obtain FieldErrors and print it to find out the cause.@ Override@ SuppressWarnings ("unchecked ")Public void validate (){Map map = this. getFieldErrors ();Set

nameCell.setcelltype (celltype.string);User.setphone (Cell.getstringcellvalue ());}if (cell.getcolumnindex () = = 3) {Third column, time formatif (dateutil.iscelldateformatted (cell)) {Date date = Cell.getdatecellvalue ();User.setcreatedate (date);}}if (cell.getcolumnindex () = = 2) {The second column, the type is set to string, and then assigns a value to the nameCell.setcelltype (celltype.string);User.setpassword (Cell.getstringcellvalue ());}}User

Recent Excel Import There are two methods: jxl and poi Problems: jxl import: If a macro exists in the file, an error is reported. The solution cannot be found. Poi import: memory overflow is caused by a large file size. Exception in thread "Main" Java. Lang. illegalstateexception: cannot get a text value from a numeric formula Cell This problem is because the cell uses the "sum function" and the content is

Public void ImportFile (Multipartfile uploadfile) throws IOException {String fileName = Uploadfile.getoriginalfilename ();String fileType = "";if (Filename.lastindexof (".")! =-1 Filename.lastindexof (".") + 1 FileType = filename.substring (Filename.lastindexof (".") + 1); }try {InputStream fis = Uploadfile.getinputstream ();Workbook Workbook = null;if (Filetype.tolowercase (). Equals ("xlsx")) {workbook = new Xssfworkbook (FIS);} else if (Filetype.tolowercase (). Equals ("xls")) {workbook = new

Hssfcellstyle Cellpercentstyle = Workbook.createcellstyle (); Cellpercentstyle.setdataformat ((short) 10);//percent One, the first way POI custom preserves a decimal format Hssfcellstyle Celldigitstyle = Workbook.createcellstyle (); Celldigitstyle.setdataformat (Workbook.createdataformat (). GetFormat ("0.0")); can also be customized into other formats, 5 formatted into 05 Hssfcellstyle Celldigitstyle = Workbook.createcellstyle (); Celldigitstyle.se

Color + -Sheet Sheet = Wb.createsheet ("First Sheet");//Create a name for sheet +Sheet.setdefaultcolumnwidth (1000);//Set the default width in sheet ASheet.setdefaultrowheight (( Short) 800);//Set the default height in sheet at -Row row = Sheet.createrow (0);//Create a row -Row.createcell (0, Cell.cell_type_blank);//Create a blank cell -Row.createcell (1, Cell.cell_type_boolean). Setcellv

);//Select the font format you want to useFive, set the column width:Sheet.setcolumnwidth (0, 3766); The first parameter represents the column ID (starting at 0), and the 2nd parameter represents the Width value reference: "2012-08-10" has a width of 2500Six, set the automatic line wrapping:Setborder.setwraptext (TRUE);//Set line wrappingSeven, merge the cells:Re

OutputStream outParameter 6 String patternpublic void Exportexcel (String title, string[] headers,ListDeclaring a working bookHssfworkbook workbook = new Hssfworkbook ();Create a tableHssfsheet sheet = workbook.createsheet (title);Set table Default column width is 15 bytesSheet.setdefaultcolumnwidth ((short) 15);Build and set another styleHssfcellstyle style2 = Workbook.createcellstyle ();Style2.setvertica

1. workbook maintains a palette, can be customized to set 56 colors, subscript from 8 to seven. where color is used, you can enter the subscript to get the color, such as CellStyle's Setfillforegroundcolor ();2. After the Createcellstyle is created, the CellStyle is placed in a workbook maintained queue and can only create up to 4,000 styles. Therefore, CellStyle should be reused as much as possible in case an exception occurs after 4,000 has been cre

widthCttblwidth width = TABLEPR.ADDNEWTBLW ();WIDTH.SETW (biginteger.valueof (8000));Xwpftablerow Row;ListXwpftablecell cell;int rowsize = Rows.size ();int cellsize;for (int i = 0; i row = Rows.get (i);New cellRow.addnewtablecell ();Set the height of a rowRow.setheight (500);Row propertiesCTTRPR ROWPR = Row.getctrow (). ADDNEWTRPR ();This is a way to get the new cell.listCells = Row.gettablecells ();Cellsize = Cells.size ();for (int j = 0; J Cell = C

Considering backwards compatibility and standardization issues, we use the Open Source Tool Apache POI for Excel ReadingWhen the POI reads, the contents of the cell are considered double, which is not the same as the default string for JXL.Example code: Https://github.com/tonylee0329/java_lab/blob/master/src/main/java/org/tony/file/ReadExcel.javaProblems encountered in 1.

Index and retrieve POI data using LuceneAbstract: 1, Introduction about spatial data search, previously written in the "Use SOLR for spatial search" This article is based on SOLR GIS data indexing and retrieval. Both SOLR and Elasticsearch are based on Lucene, both of which can be spatially searched, and in some scenarios we need to embed Lucene in an existing system to provide ...1. IntroductionWith regard to spatial data search, the previous article

Recently a Web project needs to complete a small function, the use of file upload and then read the contents of the file to write to the database, here is the operation of the Excel file, Excel files are divided into two suffixes, 03 version of the XLS and after the xlsx, now we generally take very good plug-ins directly to use it, I'm Using a Java poi-related resource Pack.1, first to be able to read the Excel file with xlsx, You must import the foll

POI Create Excel fileRequired Jar:poi-3.11-20141221.jar Commons-io-2.2.jarpublic class Poiexpexcel {/*** POI generates Excel file*/public static void Main (string[] args) {String[] title = {"id", "name", "Sex"};New WorkbookHssfworkbook workbook = new Hssfworkbook ();New sheetHssfsheet sheet = Workbook.createsheet ();Create first rowHssfrow row = sheet.createrow (0);Hssfcell cell = null;Create the first line

; Import Java. Io. ioexception; Import Java. Io. printwriter; Import Java. util. arraylist; Import Java. util. List; Import Javax. servlet. servletexception; Import Javax. servlet. servletoutputstream; Import Javax. servlet. http. httpservlet; Import Javax. servlet. http. httpservletrequest; Import Javax. servlet. http. httpservletresponse; Import Javax. servlet. http. httpsession; Import Org. Apache. Poi. hssf. usermodel. hssfcell

A colleague asked me to parse 0.6 million pieces of data to an Excel table, remove the specified data, and write the data in a decisive manner. After half of the data, he didn't need it anymore. Jar package Commons-codec-1.5.jarcommons-logging-1.1.jardom4j-1.6.1.jarjunit-3.8.1.jarlog4j-1.2.13.jarpoi-3.9-20121203.jarpoi-examples-3.9-20121203.jarpoi-excelant-3.9-20121203.jarpoi-ooxml-3.9-20121203.jarpoi-scratchpad-3.9-20121203.jarstax-api-1.0.1.jarxmlbeans-2.3.0.jar Package Com. jokey; Imp

* * Created on 2005/07/18 * Use poi-2.5.1-final-20050804.jar */ Package com.nova.colimas.common.doc; Import org. Apache. Poi. hssf. usermodel. hssfworkbook; Import org. Apache. Poi. hssf. usermodel. hssfsheet; Import org. Apache. Poi. hssf. usermodel. hssfrow; Import org. Apache. P