国家地区接口优化

internal/util/regions.go

@@ -1,26 +1,37 @@
 package util
 
+import "golang.org/x/text/language"
+
 type Region struct {
 	Value string `json:"value"`
 	Label string `json:"label"`
 }
 
-var AllRegions = []Region{
-	{Value: "zh-CN", Label: "中国 (zh-CN)"},
-	{Value: "en-US", Label: "美国 (en-US)"},
-	{Value: "ja-JP", Label: "日本 (ja-JP)"},
-	{Value: "en-AU", Label: "澳大利亚 (en-AU)"},
-	{Value: "en-GB", Label: "英国 (en-GB)"},
-	{Value: "de-DE", Label: "德国 (de-DE)"},
-	{Value: "en-NZ", Label: "新西兰 (en-NZ)"},
-	{Value: "en-CA", Label: "加拿大 (en-CA)"},
-	{Value: "fr-FR", Label: "法国 (fr-FR)"},
-	{Value: "it-IT", Label: "意大利 (it-IT)"},
-	{Value: "es-ES", Label: "西班牙 (es-ES)"},
-	{Value: "pt-BR", Label: "巴西 (pt-BR)"},
-	{Value: "ko-KR", Label: "韩国 (ko-KR)"},
-	{Value: "en-IN", Label: "印度 (en-IN)"},
-	{Value: "ru-RU", Label: "俄罗斯 (ru-RU)"},
-	{Value: "zh-HK", Label: "中国香港 (zh-HK)"},
-	{Value: "zh-TW", Label: "中国台湾 (zh-TW)"},
+// IsValidRegion 校验是否为标准的地区编码 (BCP 47)
+func IsValidRegion(mkt string) bool {
+	if mkt == "" {
+		return false
+	}
+	_, err := language.Parse(mkt)
+	return err == nil
+}
+
+var AllRegions = []Region{
+	{Value: "zh-CN", Label: "中国"},
+	{Value: "en-US", Label: "美国"},
+	{Value: "ja-JP", Label: "日本"},
+	{Value: "en-AU", Label: "澳大利亚"},
+	{Value: "en-GB", Label: "英国"},
+	{Value: "de-DE", Label: "德国"},
+	{Value: "en-NZ", Label: "新西兰"},
+	{Value: "en-CA", Label: "加拿大"},
+	{Value: "fr-FR", Label: "法国"},
+	{Value: "it-IT", Label: "意大利"},
+	{Value: "es-ES", Label: "西班牙"},
+	{Value: "pt-BR", Label: "巴西"},
+	{Value: "ko-KR", Label: "韩国"},
+	{Value: "en-IN", Label: "印度"},
+	{Value: "ru-RU", Label: "俄罗斯"},
+	{Value: "zh-HK", Label: "中国香港"},
+	{Value: "zh-TW", Label: "中国台湾"},
 }