[英]creating Pivot table in excel sheet using java
如何使用java在数据透视表中设置标题标题。 我必须使用 apache poi.Now 在 Excel 表中创建数据透视表以使用 java 更改行和列标题标签。
import java.io.FileOutputStream;
import java.io.*;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.*;
import org.apache.poi.xssf.usermodel.*;
public class readxlsx {
public static void main(String[] args) throws Exception{
/* Read the input file that contains the data to pivot */
FileInputStream input_document = new FileInputStream(new File("inputFile.xlsx"));
/* Create a POI XSSFWorkbook Object from the input file */
XSSFWorkbook my_xlsx_workbook = new XSSFWorkbook(input_document);
/* Read Data to be Pivoted - we have only one worksheet */
XSSFSheet sheet = my_xlsx_workbook.getSheetAt(0);
/* Get the reference for Pivot Data */
AreaReference a=new AreaReference("A1:C51");
/* Find out where the Pivot Table needs to be placed */
CellReference b=new CellReference("I5");
/* Create Pivot Table */
XSSFPivotTable pivotTable = sheet.createPivotTable(a,b);
/* Add filters */
pivotTable.addReportFilter(0);
pivotTable.addRowLabel(1);
pivotTable.addColumnLabel(DataConsolidateFunction.SUM, 2);
/* Write Pivot Table to File */
FileOutputStream output_file = new FileOutputStream(new File("POI_XLS_Pivot_Example.xlsx"));
my_xlsx_workbook.write(output_file);
input_document.close();
}
}
这可能会帮助您解决问题。
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