✨ add internationalization configuration

middleware/i18n.go

@@ -0,0 +1,29 @@
+package middleware
+
+import (
+	"github.com/BurntSushi/toml"
+	ginI18n "github.com/gin-contrib/i18n"
+	"github.com/gin-gonic/gin"
+	"golang.org/x/text/language"
+)
+
+func I18n() gin.HandlerFunc {
+	return ginI18n.Localize(
+		ginI18n.WithBundle(&ginI18n.BundleCfg{
+			RootPath:         "i18n/language/",
+			AcceptLanguage:   []language.Tag{language.Chinese, language.English},
+			DefaultLanguage:  language.Chinese,
+			UnmarshalFunc:    toml.Unmarshal,
+			FormatBundleFile: "toml",
+		}),
+		ginI18n.WithGetLngHandle(
+			func(context *gin.Context, defaultLng string) string {
+				lang := context.Query("lang")
+				if lang == "" {
+					return defaultLng
+				}
+				return lang
+			},
+		),
+	)
+}