- Currency format supported, relate issue #80;

- go test and godoc updated

chart.go

@@ -89,25 +89,16 @@ func parseFormatChartSet(formatSet string) *formatChart {
 //
 // The following shows the type of chart supported by excelize:
 //
-//    +---------------------------+
 //    | Type     | Chart          |
-//    +==========+================+
-//    | bar      | bar chart      |
 //    +----------+----------------+
+//    | bar      | bar chart      |
 //    | bar3D    | 3D bar chart   |
-//    +----------+----------------+
 //    | doughnut | doughnut chart |
-//    +----------+----------------+
 //    | line     | line chart     |
-//    +----------+----------------+
 //    | pie      | pie chart      |
-//    +----------+----------------+
 //    | pie3D    | 3D pie chart   |
-//    +----------+----------------+
 //    | radar    | radar chart    |
-//    +----------+----------------+
 //    | scatter  | scatter chart  |
-//    +----------+----------------+
 //
 // In Excel a chart series is a collection of information that defines which data is plotted such as values, axis labels and formatting.
 //

excelize_test.go

@@ -392,6 +392,64 @@ func TestSetCellStyleNumberFormat(t *testing.T) {
 	}
 }
 
+func TestSetCellStyleCurrencyNumberFormat(t *testing.T) {
+	xlsx, err := OpenFile("./test/Workbook_3.xlsx")
+	if err != nil {
+		t.Log(err)
+	}
+	xlsx.SetCellValue("Sheet1", "A1", 56)
+	xlsx.SetCellValue("Sheet1", "A2", 32.3)
+	var style int
+	style, err = xlsx.NewStyle(`{"number_format": 188, "decimal_places": -1}`)
+	if err != nil {
+		t.Log(err)
+	}
+	xlsx.SetCellStyle("Sheet1", "A1", "A1", style)
+	style, err = xlsx.NewStyle(`{"number_format": 188, "decimal_places": 31}`)
+	if err != nil {
+		t.Log(err)
+	}
+	xlsx.SetCellStyle("Sheet1", "A2", "A2", style)
+
+	err = xlsx.Save()
+	if err != nil {
+		t.Log(err)
+	}
+
+	xlsx, err = OpenFile("./test/Workbook_4.xlsx")
+	if err != nil {
+		t.Log(err)
+	}
+	xlsx.SetCellValue("Sheet1", "A1", 37947.7500001)
+	xlsx.SetCellValue("Sheet1", "A2", 37947.7500001)
+
+	style, err = xlsx.NewStyle(`{"number_format": 26, "lang": "zh-tw"}`)
+	if err != nil {
+		t.Log(err)
+	}
+	style, err = xlsx.NewStyle(`{"number_format": 27}`)
+	if err != nil {
+		t.Log(err)
+	}
+	xlsx.SetCellStyle("Sheet1", "A1", "A1", style)
+	style, err = xlsx.NewStyle(`{"number_format": 31, "lang": "ko-kr"}`)
+	if err != nil {
+		t.Log(err)
+	}
+	xlsx.SetCellStyle("Sheet1", "A2", "A2", style)
+
+	style, err = xlsx.NewStyle(`{"number_format": 71, "lang": "th-th"}`)
+	if err != nil {
+		t.Log(err)
+	}
+	xlsx.SetCellStyle("Sheet1", "A2", "A2", style)
+
+	err = xlsx.Save()
+	if err != nil {
+		t.Log(err)
+	}
+}
+
 func TestSetCellStyleFill(t *testing.T) {
 	xlsx, err := OpenFile("./test/Workbook_2.xlsx")
 	if err != nil {

xmlStyles.go

@@ -317,5 +317,7 @@ type formatCellStyle struct {
 		Vertical        string `json:"vertical"`
 		WrapText        bool   `json:"wrap_text"`
 	} `json:"alignment"`
-	NumFmt int `json:"number_format"`
+	NumFmt        int    `json:"number_format"`
+	DecimalPlaces int    `json:"decimal_places"`
+	Lang          string `json:"lang"`
 }