C# Web Api Post 请求示例_c# webapi post 实例

作者：小蓝xlanll | 2024-05-07 17:41:56

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c# webapi post 实例


 /// <summary>
        /// WEB-API，请求头方式调用
        /// </summary>
        /// <param name="requestUrl">请求地址</param>
        /// <param name="dicdata">请求头参数</param>
        /// 示例：入参: var dic = new Dictionary<string, string>();
        ///              dic.Add("code", "RMIS");
        ///              dic.Add("token", token);
        /// <returns>服务返回数据</returns>
        public static string RestPost(string requestUrl, Dictionary<string, string> dicdata)
        {
            Uri url = new Uri(requestUrl);
            // 创建webrequest
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
            request.Method = "POST";
            request.ContentType = "application/json";
            request.Timeout = 180000;
 
            //构建Header入参
            foreach (var item in dicdata)
            {
                request.Headers.Add(item.Key, item.Value);
            }
 
            try
            {
                using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
                {
                    StreamReader reader = new StreamReader(response.GetResponseStream());
                    return reader.ReadToEnd();
                }
            }
            catch (Exception e)
            {
                return e.Message;
            }
        }
 
        /// <summary>
        /// WEB-API调用
        /// </summary>
        /// <param name="requestUrl">请求地址</param>
        /// <param name="dicdata">请求头参数</param>
        /// 入参：var parm = "{\"key\":\"1011\",\"message\":\"<Request><Header></Header><Body></Body></Request>\"}";
        /// 后端接收代码：
        //[HttpPost]
        //public IHttpActionResult GetResult([FromBody] DataInfo data)
        //{
        //    var result = new DataInfo { key = data.key, message = data.message };
        //    return Json(result);
        //}
        /// <returns></returns>
        public static string HttpPost(string requestUrl, string body)
        {
            Uri url = new Uri(requestUrl);
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
            request.Method = "POST";
            request.Accept = "text/html, application/xhtml+xml, */*";
            request.ContentType = "application/json";
            request.Timeout = 180000;
 
            try
            {
                var encoding = Encoding.UTF8;
                byte[] buffer = encoding.GetBytes(body);
                request.ContentLength = buffer.Length;
                request.GetRequestStream().Write(buffer, 0, buffer.Length);
            }
            catch (Exception e)
            {
                return e.Message;
            }
            try
            {
                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
                {
                    return reader.ReadToEnd();
                }
            }
            catch (Exception e)
            {
                return e.Message;
            }
        }

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