This closes #2004, support apply number format for time and duration cell value

- Add unit tests
- Update dependencies modules

cell.go

@@ -144,7 +144,7 @@ func (f *File) SetCellValue(sheet, cell string, value interface{}) error {
 		if err != nil {
 			return err
 		}
-		err = f.setDefaultTimeStyle(sheet, cell, 21)
+		err = f.setDefaultTimeStyle(sheet, cell, getDurationNumFmt(v))
 	case time.Time:
 		err = f.setCellTimeFunc(sheet, cell, v)
 	case bool:
@@ -256,7 +256,7 @@ func (f *File) setCellTimeFunc(sheet, cell string, value time.Time) error {
 		return err
 	}
 	if isNum {
-		_ = f.setDefaultTimeStyle(sheet, cell, 22)
+		_ = f.setDefaultTimeStyle(sheet, cell, getTimeNumFmt(value))
 	}
 	return err
 }

cell_test.go

@@ -305,6 +305,29 @@ func TestSetCellValue(t *testing.T) {
 		assert.NoError(t, err)
 		assert.Equal(t, expected, val)
 	}
+	// Test set cell value with time duration
+	for val, expected := range map[time.Duration]string{
+		time.Hour*21 + time.Minute*51 + time.Second*44: "21:51:44",
+		time.Hour*21 + time.Minute*50:                  "21:50",
+		time.Hour*24 + time.Minute*51 + time.Second*44: "24:51:44",
+		time.Hour*24 + time.Minute*50:                  "24:50:00",
+	} {
+		assert.NoError(t, f.SetCellValue("Sheet1", "A1", val))
+		val, err := f.GetCellValue("Sheet1", "A1")
+		assert.NoError(t, err)
+		assert.Equal(t, expected, val)
+	}
+	// Test set cell value with time
+	for val, expected := range map[time.Time]string{
+		time.Date(2024, time.October, 1, 0, 0, 0, 0, time.UTC):   "Oct-24",
+		time.Date(2024, time.October, 10, 0, 0, 0, 0, time.UTC):  "10-10-24",
+		time.Date(2024, time.October, 10, 12, 0, 0, 0, time.UTC): "10/10/24 12:00",
+	} {
+		assert.NoError(t, f.SetCellValue("Sheet1", "A1", val))
+		val, err := f.GetCellValue("Sheet1", "A1")
+		assert.NoError(t, err)
+		assert.Equal(t, expected, val)
+	}
 }
 
 func TestSetCellValues(t *testing.T) {
@@ -314,7 +337,7 @@ func TestSetCellValues(t *testing.T) {
 
 	v, err := f.GetCellValue("Sheet1", "A1")
 	assert.NoError(t, err)
-	assert.Equal(t, v, "12/31/10 00:00")
+	assert.Equal(t, v, "12-31-10")
 
 	// Test date value lower than min date supported by Excel
 	err = f.SetCellValue("Sheet1", "A1", time.Date(1600, time.December, 31, 0, 0, 0, 0, time.UTC))

date.go

@@ -214,3 +214,31 @@ func formatYear(y int) int {
 	}
 	return y
 }
+
+// getDurationNumFmt returns most simplify numbers format code for time
+// duration type cell value by given worksheet name, cell reference and number.
+func getDurationNumFmt(d time.Duration) int {
+	if d >= time.Hour*24 {
+		return 46
+	}
+	// Whole minutes
+	if d.Minutes() == float64(int(d.Minutes())) {
+		return 20
+	}
+	return 21
+}
+
+// getTimeNumFmt returns most simplify numbers format code for time type cell
+// value by given worksheet name, cell reference and number.
+func getTimeNumFmt(t time.Time) int {
+	nextMonth := t.AddDate(0, 1, 0)
+	// Whole months
+	if t.Day() == 1 && nextMonth.Day() == 1 {
+		return 17
+	}
+	// Whole days
+	if t.Hour() == 0 && t.Minute() == 0 && t.Second() == 0 && t.Nanosecond() == 0 {
+		return 14
+	}
+	return 22
+}

excelize.go

@@ -242,15 +242,18 @@ func (f *File) xmlNewDecoder(rdr io.Reader) (ret *xml.Decoder) {
 // time.Time type cell value by given worksheet name, cell reference and
 // number format code.
 func (f *File) setDefaultTimeStyle(sheet, cell string, format int) error {
-	s, err := f.GetCellStyle(sheet, cell)
+	styleIdx, err := f.GetCellStyle(sheet, cell)
 	if err != nil {
 		return err
 	}
-	if s == 0 {
+	if styleIdx == 0 {
-		style, _ := f.NewStyle(&Style{NumFmt: format})
+		styleIdx, _ = f.NewStyle(&Style{NumFmt: format})
-		err = f.SetCellStyle(sheet, cell, cell, style)
+	} else {
+		style, _ := f.GetStyle(styleIdx)
+		style.NumFmt = format
+		styleIdx, _ = f.NewStyle(style)
 	}
-	return err
+	return f.SetCellStyle(sheet, cell, cell, styleIdx)
 }
 
 // workSheetReader provides a function to get the pointer to the structure

go.mod

@@ -8,10 +8,10 @@ require (
 	github.com/stretchr/testify v1.8.4
 	github.com/xuri/efp v0.0.0-20240408161823-9ad904a10d6d
 	github.com/xuri/nfp v0.0.0-20240318013403-ab9948c2c4a7
-	golang.org/x/crypto v0.27.0
+	golang.org/x/crypto v0.28.0
 	golang.org/x/image v0.18.0
-	golang.org/x/net v0.29.0
+	golang.org/x/net v0.30.0
-	golang.org/x/text v0.18.0
+	golang.org/x/text v0.19.0
 )
 
 require (

go.sum

@@ -15,14 +15,14 @@ github.com/xuri/efp v0.0.0-20240408161823-9ad904a10d6d h1:llb0neMWDQe87IzJLS4Ci7
 github.com/xuri/efp v0.0.0-20240408161823-9ad904a10d6d/go.mod h1:ybY/Jr0T0GTCnYjKqmdwxyxn2BQf2RcQIIvex5QldPI=
 github.com/xuri/nfp v0.0.0-20240318013403-ab9948c2c4a7 h1:hPVCafDV85blFTabnqKgNhDCkJX25eik94Si9cTER4A=
 github.com/xuri/nfp v0.0.0-20240318013403-ab9948c2c4a7/go.mod h1:WwHg+CVyzlv/TX9xqBFXEZAuxOPxn2k1GNHwG41IIUQ=
-golang.org/x/crypto v0.27.0 h1:GXm2NjJrPaiv/h1tb2UH8QfgC/hOf/+z0p6PT8o1w7A=
+golang.org/x/crypto v0.28.0 h1:GBDwsMXVQi34v5CCYUm2jkJvu4cbtru2U4TN2PSyQnw=
-golang.org/x/crypto v0.27.0/go.mod h1:1Xngt8kV6Dvbssa53Ziq6Eqn0HqbZi5Z6R0ZpwQzt70=
+golang.org/x/crypto v0.28.0/go.mod h1:rmgy+3RHxRZMyY0jjAJShp2zgEdOqj2AO7U0pYmeQ7U=
 golang.org/x/image v0.18.0 h1:jGzIakQa/ZXI1I0Fxvaa9W7yP25TqT6cHIHn+6CqvSQ=
 golang.org/x/image v0.18.0/go.mod h1:4yyo5vMFQjVjUcVk4jEQcU9MGy/rulF5WvUILseCM2E=
-golang.org/x/net v0.29.0 h1:5ORfpBpCs4HzDYoodCDBbwHzdR5UrLBZ3sOnUJmFoHo=
+golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
-golang.org/x/net v0.29.0/go.mod h1:gLkgy8jTGERgjzMic6DS9+SP0ajcu6Xu3Orq/SpETg0=
+golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU=
-golang.org/x/text v0.18.0 h1:XvMDiNzPAl0jr17s6W9lcaIhGUfUORdGCNsuLmPG224=
+golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
-golang.org/x/text v0.18.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
+golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=