feat: 添加令牌ip白名单功能

common/utils.go

@@ -128,6 +128,11 @@ func IntMax(a int, b int) int {
 	}
 }
 
+func IsIP(s string) bool {
+	ip := net.ParseIP(s)
+	return ip != nil
+}
+
 func GetUUID() string {
 	code := uuid.New().String()
 	code = strings.Replace(code, "-", "", -1)