This closes #804, fixes can't add timelines and slicers for a pivot table in generated spreadsheet

pivotTable.go

@@ -70,7 +70,8 @@ type PivotTableField struct {
 }
 
 // AddPivotTable provides the method to add pivot table by given pivot table
-// options.
+// options. Note that the same fields can not in Columns, Rows and Filter
+// fields at the same time.
 //
 // For example, create a pivot table on the Sheet1!$G$2:$M$34 area with the
 // region Sheet1!$A$1:$E$31 as the data source, summarize by sum for sales:
@@ -245,6 +246,9 @@ func (f *File) addPivotCache(pivotCacheID int, pivotCacheXML string, opt *PivotT
 	pc := xlsxPivotCacheDefinition{
 		SaveData:              false,
 		RefreshOnLoad:         true,
+		CreatedVersion:        pivotTableVersion,
+		RefreshedVersion:      pivotTableVersion,
+		MinRefreshableVersion: pivotTableVersion,
 		CacheSource: &xlsxCacheSource{
 			Type: "worksheet",
 			WorksheetSource: &xlsxWorksheetSource{
@@ -304,10 +308,13 @@ func (f *File) addPivotTable(cacheID, pivotTableID int, pivotTableXML string, op
 		CacheID:               cacheID,
 		RowGrandTotals:        &opt.RowGrandTotals,
 		ColGrandTotals:        &opt.ColGrandTotals,
+		UpdatedVersion:        pivotTableVersion,
+		MinRefreshableVersion: pivotTableVersion,
 		ShowDrill:             &opt.ShowDrill,
 		UseAutoFormatting:     &opt.UseAutoFormatting,
 		PageOverThenDown:      &opt.PageOverThenDown,
 		MergeItem:             &opt.MergeItem,
+		CreatedVersion:        pivotTableVersion,
 		CompactData:           &opt.CompactData,
 		ShowError:             &opt.ShowError,
 		DataCaption:           "Values",

xmlDrawing.go

@@ -1,4 +1,4 @@
-// Copyright 2016 - 2020 The excelize Authors. All rights reserved. Use of
+// Copyright 2016 - 2021 The excelize Authors. All rights reserved. Use of
 // this source code is governed by a BSD-style license that can be found in
 // the LICENSE file.
 //
@@ -100,6 +100,11 @@ const (
 	TotalColumns         = 16384
 	TotalSheetHyperlinks = 65529
 	TotalCellChars       = 32767
+	// pivotTableVersion should be greater than 3. One or more of the
+	// PivotTables chosen are created in a version of Excel earlier than
+	// Excel 2007 or in compatibility mode. Slicer can only be used with
+	// PivotTables created in Excel 2007 or a newer version of Excel.
+	pivotTableVersion = 3
 )
 
 var supportImageTypes = map[string]string{".gif": ".gif", ".jpg": ".jpeg", ".jpeg": ".jpeg", ".png": ".png", ".tif": ".tiff", ".tiff": ".tiff"}