"F:/Red Mansion Characters 1. Use the created Excel workbook to create a new writable Excel workbook
Get the object reference of the specified cell Get the total number of rows contained in the Sheet table Get the total number of columns contained in the Sheet table InputStream instream = new FileInputStream("F:/红楼character.xls") Create Workbook directly from local file Build Workbook object, read-only Workbook object Java operates excel files through the jexcelapi package: Public class SimpleExcelWrite out.println(outPut) %> Įxample 1: Read the local Excel file F:\红楼人物.xlsĢ. The jar package of Java Excel API can be obtained through the following URL:ĭirect download address (you can create a new task on Thunder): Because it is written in Java, we can use JSP and Servlet to call APIs to access Excel data tables in web applications.ĭownload the latest version from the official website (I am under jexcelapi_2_6_12.tar.gz, after decompression, copy the jxl.jar inside to the WEB-INF/lib directory)
Using this API, non-Windows operating systems can also process Excel data sheets through pure Java applications. On top of it, there is no need to make any special calls to a constructor method - it happens automatically at. It means any code written in the constructor will then get executed. In Java when the object is created, the compiler calls the constructor first.
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JAVA EXCEL API: is an open source project, through which Java developers can read the contents of Excel files, create new Excel files, and update existing Excel files. Constructors in Java is a method that is used to set initial values for field variables.