convert xls to xlsx

This should be an all-in-one example, and more complex functions can be expanded on this basis. This example is based on the Apache POI Class Library, and the associated jar package is not listed. This kind of library is very general, the Internet is very easy to find.1. Write Excel that does not contain cell merges/** * Excel export to output stream * who is responsible for closing the output stream * @param os output stream * @param excelextname Excel file extension,

SaveFileDialog SaveFileDialog = new SaveFileDialog (); Savefiledialog.title = "Export Excel"; Savefiledialog.filter = "Excel file (*.xls) |*.xls| Excel file (*.xlsx) |*.xlsx "; DialogResult DialogResult = Savefiledialog.showdialog (this); if (DialogResult = = DialogResult.OK) { String filter = SaveFileDialog.FileName.S

/*** Read the XLSX document column **/private string getxssfcellvalue (xssfcell cell) throws exception {string cellvalue = ""; if (cell! = NULL) {Switch (cell. getcelltype () {Case xssfcell. cell_type_boolean: cellvalue = string. valueof (cell. getbooleancellvalue (); break; Case xssfcell. cell_type_numeric: cellvalue = string. valueof (cell. getnumericcellvalue (); break; Case xssfcell. cell_type_string: cellvalue = cell. getstringcellvalue (); break

Spingmvc uploads files, poi parses xls, xlsx Foreground jsp Data Import Java code, the package used is poi3.5, commons-io2.1import java. io. file; import java. io. IOException; import java. io. inputStream; import javax. servlet. http. httpServletRequest; import org. apache. commons. io. fileUtils; import org. apache. poi. hssf. usermodel. HSSFCell; import org. apache. poi. hssf. usermodel. HSSFRow; impor

For Android, open the source code for parsing files in doc, docx, xls, xlsx, and ppt formats. You can directly copy the experiment,Parse doc to tm-extractors-0.4.jar this packageParse the xls and use the jxl. jar package. import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOExcep

This article mainly introduces the Python learning _ several access Xls/xlsx file method Summary, has a certain reference value, now share to everyone, the need for friends can refer to You want to save some parameters dynamically while the deep learning program is running. Save into Excel file for easy viewing, we looked at several methods, do a test. Because I usually do not use Excel, simple access to d

Recently, the Network Administrator assigned me a space on the server to show some information. In order to facilitate the query on the network, we made a simple ASP Query System, which is linked to the Access database in the MDB format, documents are summarized in Excel. The format is XLS. Can I convert the XLS file to MDB? The first thought is to save the table

Recently, the Network Administrator assigned me a space on the server to show some information. In order to facilitate the query on the network, we made a simple ASP Query System, which is linked to the Access database in the MDB format, documents are summarized in Excel form. The format is XLS. Can you convert the XLS file to MD? Recently, the Network Administra

access| conversion Recently, the network administrator gave me a space on the server to show some information. In order to facilitate the query on the network, they made a simple ASP query system, which is linked to an MDB format Access database, and before the web, data is used in Excel form Software to summarize, format for XLS, can you convert XL