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changes after adding excel file

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STS
2020-07-11 10:31:02 +02:00
parent 8f22ea5d36
commit 3e31cb49b1
3 changed files with 45 additions and 33 deletions
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apache-poi/src/main/java/com/baeldung/poi/excel/setFormula/ExcelFormula.java
+12 -20
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@@ -1,34 +1,26 @@
package com.baeldung.poi.excel.setFormula;
import org.apache.poi.ss.usermodel.CellValue;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFFormulaEvaluator;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;
public class ExcelFormula {
XSSFWorkbook excel;
public XSSFSheet inserData(List<Integer> dataList) {
excel = new XSSFWorkbook();
XSSFSheet sheet = excel.createSheet();
int rowNum =0 ;
for (Integer data : dataList){
sheet.createRow(rowNum++).createCell(0).setCellValue(data);
}
return sheet;
}
public double setFormula(String formula) throws IOException {
XSSFSheet sheet = excel.getSheetAt(0);
public double setFormula(String fileLocation, XSSFWorkbook wb, String formula) throws IOException {
XSSFSheet sheet = wb.getSheetAt(0);
int lastCellNum = sheet.getRow(0).getLastCellNum();
XSSFCell formulaCell = sheet.getRow(0).createCell(lastCellNum + 1);
XSSFCell formulaCell = sheet.getRow(0).createCell(lastCellNum);
formulaCell.setCellFormula(formula);
XSSFFormulaEvaluator formulaEvaluator = excel.getCreationHelper().createFormulaEvaluator();
CellValue evaluate = formulaEvaluator.evaluate(formulaCell);
if(excel != null)
excel.close();
return evaluate.getNumberValue();
XSSFFormulaEvaluator formulaEvaluator = wb.getCreationHelper().createFormulaEvaluator();
formulaEvaluator.evaluateFormulaCell(formulaCell);
FileOutputStream fileOut = new FileOutputStream(new File(fileLocation));
wb.write(fileOut);
wb.close();
fileOut.close();
return formulaCell.getNumericCellValue();
}
}