修改数据透视表

// Defining source data
Object sourceData = new Object[][] 
{ 
  { "Order ID", "Product", "Category", "Amount", "Date", "Country" },
  { 1, "Carrots", "Vegetables", 4270, new GregorianCalendar(2018, 0, 6),"United States" },
  { 2, "Broccoli", "Vegetables", 8239, new GregorianCalendar(2018, 0, 7),"United Kingdom" },
  { 3, "Banana", "Fruit", 617, new GregorianCalendar(2018, 0, 8),"United States" },
  { 4, "Banana", "Fruit", 8384, new GregorianCalendar(2018, 0, 10),"Canada" },
  { 5, "Beans", "Vegetables", 2626, new GregorianCalendar(2018, 0, 10),"Germany" },
  { 6, "Orange", "Fruit", 3610, new GregorianCalendar(2018, 0, 11),"United States" },
  { 7, "Broccoli", "Vegetables", 9062, new GregorianCalendar(2018, 0, 11),"Australia" },
  { 8, "Banana", "Fruit", 6906, new GregorianCalendar(2018, 0, 16),"New Zealand" },
  { 9, "Apple", "Fruit", 2417, new GregorianCalendar(2018, 0, 16),"France" },
  { 10, "Apple", "Fruit", 7431, new GregorianCalendar(2018, 0, 16),"Canada" },
  { 11, "Banana", "Fruit", 8250, new GregorianCalendar(2018, 0, 16),"Germany" },
  { 12, "Broccoli", "Vegetables", 7012, new GregorianCalendar(2018, 0, 18),"United States" },
  { 13, "Carrots", "Vegetables", 1903, new GregorianCalendar(2018, 0, 20),"Germany" },
  { 14, "Broccoli", "Vegetables", 2824, new GregorianCalendar(2018, 0, 22),"Canada" },
  { 15, "Apple", "Fruit", 6946, new GregorianCalendar(2018, 0, 24),"France" }, 
};
        
// Initialize workbook and fetch the default worksheet
Workbook workbook = new Workbook();
IWorksheet worksheet = workbook.getWorksheets().get(0);
        
// Assigning data to the range
worksheet.getRange("A1:F16").setValue(sourceData);
        
// Creating pivot table and modifying it
IPivotCache pivotcache = workbook.getPivotCaches().create(worksheet.getRange("A1:F16"));
IPivotTable pivottable = worksheet.getPivotTables().add(pivotcache, 
worksheet.getRange("I2"), "pivottable1");
        
worksheet.getRange("D2:D16").setNumberFormat("$#,##0.00");
worksheet.getRange("J4:J17, J9:J33").setNumberFormat("$#,##0.00");

// Configure pivot table's fields
IPivotField field_Product = pivottable.getPivotFields().get(1);
field_Product.setOrientation(PivotFieldOrientation.RowField);

IPivotField field_Category = pivottable.getPivotFields().get(2);
field_Category.setOrientation(PivotFieldOrientation.RowField);

IPivotField field_Amount = pivottable.getPivotFields().get(3);
field_Amount.setOrientation(PivotFieldOrientation.DataField);

// Modify subtotals for pivot field.
field_Category.setSubtotals(EnumSet.of(SubtotalType.Sum, SubtotalType.Count, 
SubtotalType.Average,SubtotalType.Max, SubtotalType.Min, SubtotalType.CountNums, 
SubtotalType.StdDev, SubtotalType.StdDevP,SubtotalType.Var, SubtotalType.VarP));
        
worksheet.getRange("E:E").setColumnWidth(12);
worksheet.getRange("J:J").setColumnWidth(20);