WebAPi获取请求头中对应键值

Posted 2020-12-03 瓶子

        /// <summary>
        /// 依据键获取请求头中值数据
        /// </summary>
        /// <param name="request"></param>
        /// <param name="key"></param>
        /// <returns></returns>
        public static string GetHeader(this HttpRequestMessage request, string key)
        {
            IEnumerable<string> keys = null;
            if (!request.Headers.TryGetValues(key, out keys))
                return null;

            return keys.First();
        }