精简 Season 方法

season.go

@@ -4,6 +4,23 @@ import (
 	"strings"
 )
 
+var seasons = []struct {
+	month, index int
+}{
+	{3, 0},  // spring
+	{4, 0},  // spring
+	{5, 0},  // spring
+	{6, 1},  // summer
+	{7, 1},  // summer
+	{8, 1},  // summer
+	{9, 2},  // autumn
+	{10, 2}, // autumn
+	{11, 2}, // autumn
+	{12, 3}, // winter
+	{1, 3},  // winter
+	{2, 3},  // winter
+}
+
 // Season gets season name according to the meteorological division method like "Spring", i18n is supported.
 // 获取当前季节(以气象划分)，支持i18n
 func (c Carbon) Season() string {
@@ -15,20 +32,16 @@ func (c Carbon) Season() string {
 	}
 	index := -1
 	month := c.Month()
-	switch {
+	for i := 0; i < len(seasons); i++ {
-	case month == 3 || month == 4 || month == 5:
+		season := seasons[i]
-		index = 0
+		if month == season.month {
-	case month == 6 || month == 7 || month == 8:
+			index = season.index
-		index = 1
+		}
-	case month == 9 || month == 10 || month == 11:
-		index = 2
-	case month == 12 || month == 1 || month == 2:
-		index = 3
 	}
 	c.lang.rw.Lock()
 	defer c.lang.rw.Unlock()
-	if seasons, ok := c.lang.resources["seasons"]; ok {
+	if resources, ok := c.lang.resources["seasons"]; ok {
-		slice := strings.Split(seasons, "|")
+		slice := strings.Split(resources, "|")
 		if len(slice) == QuartersPerYear {
 			return slice[index]
 		}