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excelize-formula
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#625, support setting formula for cell in streaming API

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formula
xuri 4 years ago
parent 71bd5e1959
commit 7e12b560ce
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GPG Key ID: BA5E5BB1C948EDF7
4 changed files with 55 additions and 26 deletions
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6
chart.go
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@ -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 // this source code is governed by a BSD-style license that can be found in
// the LICENSE file. // the LICENSE file.
// //
@ -923,8 +923,8 @@ func (f *File) AddChartSheet(sheet, format string, combo ...string) error {
return err return err
} }
cs := xlsxChartsheet{ cs := xlsxChartsheet{
SheetViews: []*xlsxChartsheetViews{{ SheetViews: &xlsxChartsheetViews{
SheetView: []*xlsxChartsheetView{{ZoomScaleAttr: 100, ZoomToFitAttr: true}}}, SheetView: []*xlsxChartsheetView{{ZoomScaleAttr: 100, ZoomToFitAttr: true}},
}, },
} }
f.SheetCount++ f.SheetCount++

31
stream.go
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@ -71,6 +71,13 @@ type StreamWriter struct {
// fmt.Println(err) // fmt.Println(err)
// } // }
// //
// Set cell value and cell formula for a worksheet with stream writer:
//
// err := streamWriter.SetRow("A1", []interface{}{
// excelize.Cell{Value: 1},
// excelize.Cell{Value: 2},
// excelize.Cell{Formula: "SUM(A1,B1)"}});
//
func (f *File) NewStreamWriter(sheet string) (*StreamWriter, error) { func (f *File) NewStreamWriter(sheet string) (*StreamWriter, error) {
sheetID := f.getSheetID(sheet) sheetID := f.getSheetID(sheet)
if sheetID == -1 { if sheetID == -1 {
@ -106,7 +113,14 @@ func (f *File) NewStreamWriter(sheet string) (*StreamWriter, error) {
// //
// Create a table of F2:H6 with format set: // Create a table of F2:H6 with format set:
// //
// err := sw.AddTable("F2", "H6", `{"table_name":"table","table_style":"TableStyleMedium2","show_first_column":true,"show_last_column":true,"show_row_stripes":false,"show_column_stripes":true}`) // err := sw.AddTable("F2", "H6", `{
// "table_name": "table",
// "table_style": "TableStyleMedium2",
// "show_first_column": true,
// "show_last_column": true,
// "show_row_stripes": false,
// "show_column_stripes": true
// }`)
// //
// Note that the table must be at least two lines including the header. The // Note that the table must be at least two lines including the header. The
// header cells must contain strings and must be unique. // header cells must contain strings and must be unique.
@ -266,6 +280,7 @@ func getRowElement(token xml.Token, hrow int) (startElement xml.StartElement, ok
// a value. // a value.
type Cell struct { type Cell struct {
StyleID int StyleID int
Formula string
Value interface{} Value interface{}
} }
@ -291,9 +306,11 @@ func (sw *StreamWriter) SetRow(axis string, values []interface{}) error {
if v, ok := val.(Cell); ok { if v, ok := val.(Cell); ok {
c.S = v.StyleID c.S = v.StyleID
val = v.Value val = v.Value
setCellFormula(&c, v.Formula)
} else if v, ok := val.(*Cell); ok && v != nil { } else if v, ok := val.(*Cell); ok && v != nil {
c.S = v.StyleID c.S = v.StyleID
val = v.Value val = v.Value
setCellFormula(&c, v.Formula)
} }
if err = setCellValFunc(&c, val); err != nil { if err = setCellValFunc(&c, val); err != nil {
_, _ = sw.rawData.WriteString(`</row>`) _, _ = sw.rawData.WriteString(`</row>`)
@ -305,6 +322,13 @@ func (sw *StreamWriter) SetRow(axis string, values []interface{}) error {
return sw.rawData.Sync() return sw.rawData.Sync()
} }
// setCellFormula provides a function to set formula of a cell.
func setCellFormula(c *xlsxC, formula string) {
if formula != "" {
c.F = &xlsxF{Content: formula}
}
}
// setCellValFunc provides a function to set value of a cell. // setCellValFunc provides a function to set value of a cell.
func setCellValFunc(c *xlsxC, val interface{}) (err error) { func setCellValFunc(c *xlsxC, val interface{}) (err error) {
switch val := val.(type) { switch val := val.(type) {
@ -373,6 +397,11 @@ func writeCell(buf *bufferedWriter, c xlsxC) {
fmt.Fprintf(buf, ` t="%s"`, c.T) fmt.Fprintf(buf, ` t="%s"`, c.T)
} }
_, _ = buf.WriteString(`>`) _, _ = buf.WriteString(`>`)
if c.F != nil {
_, _ = buf.WriteString(`<f>`)
_ = xml.EscapeText(buf, []byte(c.F.Content))
_, _ = buf.WriteString(`</f>`)
}
if c.V != "" { if c.V != "" {
_, _ = buf.WriteString(`<v>`) _, _ = buf.WriteString(`<v>`)
_ = xml.EscapeText(buf, []byte(c.V)) _ = xml.EscapeText(buf, []byte(c.V))

4
stream_test.go
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@ -55,8 +55,8 @@ func TestStreamWriter(t *testing.T) {
// Test set cell with style. // Test set cell with style.
styleID, err := file.NewStyle(`{"font":{"color":"#777777"}}`) styleID, err := file.NewStyle(`{"font":{"color":"#777777"}}`)
assert.NoError(t, err) assert.NoError(t, err)
assert.NoError(t, streamWriter.SetRow("A4", []interface{}{Cell{StyleID: styleID}})) assert.NoError(t, streamWriter.SetRow("A4", []interface{}{Cell{StyleID: styleID}, Cell{Formula: "SUM(A10,B10)"}}))
assert.NoError(t, streamWriter.SetRow("A5", []interface{}{&Cell{StyleID: styleID, Value: "cell"}})) assert.NoError(t, streamWriter.SetRow("A5", []interface{}{&Cell{StyleID: styleID, Value: "cell"}, &Cell{Formula: "SUM(A10,B10)"}}))
assert.EqualError(t, streamWriter.SetRow("A6", []interface{}{time.Now()}), "only UTC time expected") assert.EqualError(t, streamWriter.SetRow("A6", []interface{}{time.Now()}), "only UTC time expected")
for rowID := 10; rowID <= 51200; rowID++ { for rowID := 10; rowID <= 51200; rowID++ {

40
xmlChartSheet.go
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@ -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 // this source code is governed by a BSD-style license that can be found in
// the LICENSE file. // the LICENSE file.
// //
@ -16,27 +16,27 @@ import "encoding/xml"
// xlsxChartsheet directly maps the chartsheet element of Chartsheet Parts in // xlsxChartsheet directly maps the chartsheet element of Chartsheet Parts in
// a SpreadsheetML document. // a SpreadsheetML document.
type xlsxChartsheet struct { type xlsxChartsheet struct {
XMLName xml.Name `xml:"http://schemas.openxmlformats.org/spreadsheetml/2006/main chartsheet"` XMLName xml.Name `xml:"http://schemas.openxmlformats.org/spreadsheetml/2006/main chartsheet"`
SheetPr []*xlsxChartsheetPr `xml:"sheetPr"` SheetPr *xlsxChartsheetPr `xml:"sheetPr"`
SheetViews []*xlsxChartsheetViews `xml:"sheetViews"` SheetViews *xlsxChartsheetViews `xml:"sheetViews"`
SheetProtection []*xlsxChartsheetProtection `xml:"sheetProtection"` SheetProtection *xlsxChartsheetProtection `xml:"sheetProtection"`
CustomSheetViews []*xlsxCustomChartsheetViews `xml:"customSheetViews"` CustomSheetViews *xlsxCustomChartsheetViews `xml:"customSheetViews"`
PageMargins *xlsxPageMargins `xml:"pageMargins"` PageMargins *xlsxPageMargins `xml:"pageMargins"`
PageSetup []*xlsxPageSetUp `xml:"pageSetup"` PageSetup *xlsxPageSetUp `xml:"pageSetup"`
HeaderFooter *xlsxHeaderFooter `xml:"headerFooter"` HeaderFooter *xlsxHeaderFooter `xml:"headerFooter"`
Drawing *xlsxDrawing `xml:"drawing"` Drawing *xlsxDrawing `xml:"drawing"`
DrawingHF []*xlsxDrawingHF `xml:"drawingHF"` DrawingHF *xlsxDrawingHF `xml:"drawingHF"`
Picture []*xlsxPicture `xml:"picture"` Picture *xlsxPicture `xml:"picture"`
WebPublishItems []*xlsxInnerXML `xml:"webPublishItems"` WebPublishItems *xlsxInnerXML `xml:"webPublishItems"`
ExtLst []*xlsxExtLst `xml:"extLst"` ExtLst *xlsxExtLst `xml:"extLst"`
} }
// xlsxChartsheetPr specifies chart sheet properties. // xlsxChartsheetPr specifies chart sheet properties.
type xlsxChartsheetPr struct { type xlsxChartsheetPr struct {
XMLName xml.Name `xml:"sheetPr"` XMLName xml.Name `xml:"sheetPr"`
PublishedAttr bool `xml:"published,attr,omitempty"` PublishedAttr bool `xml:"published,attr,omitempty"`
CodeNameAttr string `xml:"codeName,attr,omitempty"` CodeNameAttr string `xml:"codeName,attr,omitempty"`
TabColor []*xlsxTabColor `xml:"tabColor"` TabColor *xlsxTabColor `xml:"tabColor"`
} }
// xlsxChartsheetViews specifies chart sheet views. // xlsxChartsheetViews specifies chart sheet views.
@ -71,13 +71,13 @@ type xlsxChartsheetProtection struct {
// xlsxCustomChartsheetViews collection of custom Chart Sheet View // xlsxCustomChartsheetViews collection of custom Chart Sheet View
// information. // information.
type xlsxCustomChartsheetViews struct { type xlsxCustomChartsheetViews struct {
XMLName xml.Name `xml:"customChartsheetViews"` XMLName xml.Name `xml:"customSheetViews"`
CustomSheetView []*xlsxCustomChartsheetView `xml:"customSheetView"` CustomSheetView []*xlsxCustomChartsheetView `xml:"customSheetView"`
} }
// xlsxCustomChartsheetView defines custom view properties for chart sheets. // xlsxCustomChartsheetView defines custom view properties for chart sheets.
type xlsxCustomChartsheetView struct { type xlsxCustomChartsheetView struct {
XMLName xml.Name `xml:"customChartsheetView"` XMLName xml.Name `xml:"customSheetView"`
GUIDAttr string `xml:"guid,attr"` GUIDAttr string `xml:"guid,attr"`
ScaleAttr uint32 `xml:"scale,attr,omitempty"` ScaleAttr uint32 `xml:"scale,attr,omitempty"`
StateAttr string `xml:"state,attr,omitempty"` StateAttr string `xml:"state,attr,omitempty"`

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