- Add unsigned integer data type support, related issue #136;

- go test and godoc updated
Signed-off-by: Ri Xu <xuri.me@gmail.com>

cell.go

@@ -30,6 +30,11 @@ func (f *File) mergeCellsParser(xlsx *xlsxWorksheet, axis string) string {
 //    int16
 //    int32
 //    int64
+//    uint
+//    uint8
+//    uint16
+//    uint32
+//    uint64
 //    float32
 //    float64
 //    string
@@ -51,6 +56,16 @@ func (f *File) SetCellValue(sheet, axis string, value interface{}) {
 		f.SetCellInt(sheet, axis, int(value.(int32)))
 	case int64:
 		f.SetCellInt(sheet, axis, int(value.(int64)))
+	case uint:
+		f.SetCellInt(sheet, axis, int(value.(uint)))
+	case uint8:
+		f.SetCellInt(sheet, axis, int(value.(uint8)))
+	case uint16:
+		f.SetCellInt(sheet, axis, int(value.(uint16)))
+	case uint32:
+		f.SetCellInt(sheet, axis, int(value.(uint32)))
+	case uint64:
+		f.SetCellInt(sheet, axis, int(value.(uint64)))
 	case float32:
 		f.SetCellDefault(sheet, axis, strconv.FormatFloat(float64(value.(float32)), 'f', -1, 32))
 	case float64:

excelize_test.go

@@ -67,16 +67,21 @@ func TestOpenFile(t *testing.T) {
 	xlsx.SetCellValue("Sheet2", "F1", " Hello")
 	xlsx.SetCellValue("Sheet2", "G1", []byte("World"))
 	xlsx.SetCellValue("Sheet2", "F2", 42)
-	xlsx.SetCellValue("Sheet2", "F2", int8(42))
-	xlsx.SetCellValue("Sheet2", "F2", int16(42))
-	xlsx.SetCellValue("Sheet2", "F2", int32(42))
-	xlsx.SetCellValue("Sheet2", "F2", int64(42))
-	xlsx.SetCellValue("Sheet2", "F2", float32(42.65418))
-	xlsx.SetCellValue("Sheet2", "F2", float64(-42.65418))
-	xlsx.SetCellValue("Sheet2", "F2", float32(42))
-	xlsx.SetCellValue("Sheet2", "F2", float64(42))
+	xlsx.SetCellValue("Sheet2", "F3", int8(1<<8/2-1))
+	xlsx.SetCellValue("Sheet2", "F4", int16(1<<16/2-1))
+	xlsx.SetCellValue("Sheet2", "F5", int32(1<<32/2-1))
+	xlsx.SetCellValue("Sheet2", "F6", int64(1<<32/2-1))
+	xlsx.SetCellValue("Sheet2", "F7", float32(42.65418))
+	xlsx.SetCellValue("Sheet2", "F8", float64(-42.65418))
+	xlsx.SetCellValue("Sheet2", "F9", float32(42))
+	xlsx.SetCellValue("Sheet2", "F10", float64(42))
+	xlsx.SetCellValue("Sheet2", "F11", uint(1<<32-1))
+	xlsx.SetCellValue("Sheet2", "F12", uint8(1<<8-1))
+	xlsx.SetCellValue("Sheet2", "F13", uint16(1<<16-1))
+	xlsx.SetCellValue("Sheet2", "F14", uint32(1<<32-1))
+	xlsx.SetCellValue("Sheet2", "F15", uint64(1<<32-1))
+	xlsx.SetCellValue("Sheet2", "F16", true)
 	xlsx.SetCellValue("Sheet2", "G2", nil)
-	xlsx.SetCellValue("Sheet2", "G3", uint8(8))
 	xlsx.SetCellValue("Sheet2", "G4", time.Now())
 	// Test completion column.
 	xlsx.SetCellValue("Sheet2", "M2", nil)