Make functions: `SetCellValue`, `SetCellInt`, `SetCellHyperLink`, `SetCellFormula`, `GetCellValue` and `GetCellFormula` to support the merged cells.

cell.go

@@ -7,15 +7,21 @@ import (
 )
 
 // GetCellValue provides function to get value from cell by given sheet index
-// and axis in XLSX file. The value of the merged cell is not available
-// currently.
+// and axis in XLSX file.
 func (f *File) GetCellValue(sheet string, axis string) string {
 	axis = strings.ToUpper(axis)
 	var xlsx xlsxWorksheet
-	row, _ := strconv.Atoi(strings.Map(intOnlyMapF, axis))
-	xAxis := row - 1
 	name := "xl/worksheets/" + strings.ToLower(sheet) + ".xml"
 	xml.Unmarshal([]byte(f.readXML(name)), &xlsx)
+	if xlsx.MergeCells != nil {
+		for i := 0; i < len(xlsx.MergeCells.Cells); i++ {
+			if checkCellInArea(axis, xlsx.MergeCells.Cells[i].Ref) {
+				axis = strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[0]
+			}
+		}
+	}
+	row, _ := strconv.Atoi(strings.Map(intOnlyMapF, axis))
+	xAxis := row - 1
 	rows := len(xlsx.SheetData.Row)
 	if rows > 1 {
 		lastRow := xlsx.SheetData.Row[rows-1].R
@@ -56,10 +62,17 @@ func (f *File) GetCellValue(sheet string, axis string) string {
 func (f *File) GetCellFormula(sheet string, axis string) string {
 	axis = strings.ToUpper(axis)
 	var xlsx xlsxWorksheet
-	row, _ := strconv.Atoi(strings.Map(intOnlyMapF, axis))
-	xAxis := row - 1
 	name := "xl/worksheets/" + strings.ToLower(sheet) + ".xml"
 	xml.Unmarshal([]byte(f.readXML(name)), &xlsx)
+	if xlsx.MergeCells != nil {
+		for i := 0; i < len(xlsx.MergeCells.Cells); i++ {
+			if checkCellInArea(axis, xlsx.MergeCells.Cells[i].Ref) {
+				axis = strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[0]
+			}
+		}
+	}
+	row, _ := strconv.Atoi(strings.Map(intOnlyMapF, axis))
+	xAxis := row - 1
 	rows := len(xlsx.SheetData.Row)
 	if rows > 1 {
 		lastRow := xlsx.SheetData.Row[rows-1].R
@@ -91,14 +104,20 @@ func (f *File) GetCellFormula(sheet string, axis string) string {
 func (f *File) SetCellFormula(sheet, axis, formula string) {
 	axis = strings.ToUpper(axis)
 	var xlsx xlsxWorksheet
+	name := "xl/worksheets/" + strings.ToLower(sheet) + ".xml"
+	xml.Unmarshal([]byte(f.readXML(name)), &xlsx)
+	if xlsx.MergeCells != nil {
+		for i := 0; i < len(xlsx.MergeCells.Cells); i++ {
+			if checkCellInArea(axis, xlsx.MergeCells.Cells[i].Ref) {
+				axis = strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[0]
+			}
+		}
+	}
 	col := string(strings.Map(letterOnlyMapF, axis))
 	row, _ := strconv.Atoi(strings.Map(intOnlyMapF, axis))
 	xAxis := row - 1
 	yAxis := titleToNumber(col)
 
-	name := "xl/worksheets/" + strings.ToLower(sheet) + ".xml"
-	xml.Unmarshal([]byte(f.readXML(name)), &xlsx)
-
 	rows := xAxis + 1
 	cell := yAxis + 1
 
@@ -124,6 +143,13 @@ func (f *File) SetCellHyperLink(sheet, axis, link string) {
 	var xlsx xlsxWorksheet
 	name := "xl/worksheets/" + strings.ToLower(sheet) + ".xml"
 	xml.Unmarshal([]byte(f.readXML(name)), &xlsx)
+	if xlsx.MergeCells != nil {
+		for i := 0; i < len(xlsx.MergeCells.Cells); i++ {
+			if checkCellInArea(axis, xlsx.MergeCells.Cells[i].Ref) {
+				axis = strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[0]
+			}
+		}
+	}
 	rID := f.addSheetRelationships(sheet, SourceRelationshipHyperLink, link, "External")
 	hyperlink := xlsxHyperlink{
 		Ref: axis,
@@ -141,9 +167,9 @@ func (f *File) SetCellHyperLink(sheet, axis, link string) {
 }
 
 // MergeCell provides function to merge cells by given axis and sheet name.
-// For example create a merged cell of A1:B2 on Sheet1:
+// For example create a merged cell of D3:E9 on Sheet1:
 //
-//    xlsx.MergeCell("sheet1", "D9", "E9")
+//    xlsx.MergeCell("sheet1", "D3", "E9")
 //
 // If you create a merged cell that overlaps with another existing merged cell,
 // those merged cells that already exist will be removed.

excelize.go

@@ -64,14 +64,20 @@ func (f *File) SetCellValue(sheet string, axis string, value interface{}) {
 func (f *File) SetCellInt(sheet string, axis string, value int) {
 	axis = strings.ToUpper(axis)
 	var xlsx xlsxWorksheet
+	name := "xl/worksheets/" + strings.ToLower(sheet) + ".xml"
+	xml.Unmarshal([]byte(f.readXML(name)), &xlsx)
+	if xlsx.MergeCells != nil {
+		for i := 0; i < len(xlsx.MergeCells.Cells); i++ {
+			if checkCellInArea(axis, xlsx.MergeCells.Cells[i].Ref) {
+				axis = strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[0]
+			}
+		}
+	}
 	col := string(strings.Map(letterOnlyMapF, axis))
 	row, _ := strconv.Atoi(strings.Map(intOnlyMapF, axis))
 	xAxis := row - 1
 	yAxis := titleToNumber(col)
 
-	name := "xl/worksheets/" + strings.ToLower(sheet) + ".xml"
-	xml.Unmarshal([]byte(f.readXML(name)), &xlsx)
-
 	rows := xAxis + 1
 	cell := yAxis + 1
 
@@ -89,18 +95,24 @@ func (f *File) SetCellInt(sheet string, axis string, value int) {
 // of characters that a cell can contain 32767 characters.
 func (f *File) SetCellStr(sheet string, axis string, value string) {
 	axis = strings.ToUpper(axis)
+	var xlsx xlsxWorksheet
+	name := "xl/worksheets/" + strings.ToLower(sheet) + ".xml"
+	xml.Unmarshal([]byte(f.readXML(name)), &xlsx)
+	if xlsx.MergeCells != nil {
+		for i := 0; i < len(xlsx.MergeCells.Cells); i++ {
+			if checkCellInArea(axis, xlsx.MergeCells.Cells[i].Ref) {
+				axis = strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[0]
+			}
+		}
+	}
 	if len(value) > 32767 {
 		value = value[0:32767]
 	}
-	var xlsx xlsxWorksheet
 	col := string(strings.Map(letterOnlyMapF, axis))
 	row, _ := strconv.Atoi(strings.Map(intOnlyMapF, axis))
 	xAxis := row - 1
 	yAxis := titleToNumber(col)
 
-	name := "xl/worksheets/" + strings.ToLower(sheet) + ".xml"
-	xml.Unmarshal([]byte(f.readXML(name)), &xlsx)
-
 	rows := xAxis + 1
 	cell := yAxis + 1
 
@@ -119,14 +131,20 @@ func (f *File) SetCellStr(sheet string, axis string, value string) {
 func (f *File) SetCellDefault(sheet string, axis string, value string) {
 	axis = strings.ToUpper(axis)
 	var xlsx xlsxWorksheet
+	name := "xl/worksheets/" + strings.ToLower(sheet) + ".xml"
+	xml.Unmarshal([]byte(f.readXML(name)), &xlsx)
+	if xlsx.MergeCells != nil {
+		for i := 0; i < len(xlsx.MergeCells.Cells); i++ {
+			if checkCellInArea(axis, xlsx.MergeCells.Cells[i].Ref) {
+				axis = strings.Split(xlsx.MergeCells.Cells[i].Ref, ":")[0]
+			}
+		}
+	}
 	col := string(strings.Map(letterOnlyMapF, axis))
 	row, _ := strconv.Atoi(strings.Map(intOnlyMapF, axis))
 	xAxis := row - 1
 	yAxis := titleToNumber(col)
 
-	name := "xl/worksheets/" + strings.ToLower(sheet) + ".xml"
-	xml.Unmarshal([]byte(f.readXML(name)), &xlsx)
-
 	rows := xAxis + 1
 	cell := yAxis + 1
 

excelize_test.go

@@ -241,14 +241,21 @@ func TestSMergeCell(t *testing.T) {
 	if err != nil {
 		t.Log(err)
 	}
-	xlsx.MergeCell("sheet1", "D9", "D9")
-	xlsx.MergeCell("sheet1", "D9", "E9")
-	xlsx.MergeCell("sheet1", "H14", "G13")
-	xlsx.MergeCell("sheet1", "C9", "D8")
-	xlsx.MergeCell("sheet1", "F11", "G13")
-	xlsx.MergeCell("sheet1", "H7", "B15")
-	xlsx.MergeCell("sheet1", "D11", "F13")
-	xlsx.MergeCell("sheet1", "G10", "I11")
+	xlsx.MergeCell("Sheet1", "D9", "D9")
+	xlsx.MergeCell("Sheet1", "D9", "E9")
+	xlsx.MergeCell("Sheet1", "H14", "G13")
+	xlsx.MergeCell("Sheet1", "C9", "D8")
+	xlsx.MergeCell("Sheet1", "F11", "G13")
+	xlsx.MergeCell("Sheet1", "H7", "B15")
+	xlsx.MergeCell("Sheet1", "D11", "F13")
+	xlsx.MergeCell("Sheet1", "G10", "K12")
+	xlsx.SetCellValue("Sheet1", "G11", "set value in merged cell")
+	xlsx.SetCellInt("Sheet1", "H11", 100)
+	xlsx.SetCellValue("Sheet1", "I11", float64(0.5))
+	xlsx.SetCellHyperLink("Sheet1", "J11", "https://github.com/Luxurioust/excelize")
+	xlsx.SetCellFormula("Sheet1", "G12", "SUM(Sheet1!B19,Sheet1!C19)")
+	xlsx.GetCellValue("Sheet1", "H11")
+	xlsx.GetCellFormula("Sheet1", "G12")
 	err = xlsx.Save()
 	if err != nil {
 		t.Log(err)