• C# 后台请求web服务方法


            /// <summary>
            /// 传输方法
            /// </summary>
            /// <param name="url">接口地址</param>
            /// <param name="ms">序列化后的数据</param>
            /// <returns></returns>
            public static JObject ResponseBind(string url, string buffer)
            {
                SecurityUtils su = new SecurityUtils();//给值
                IDictionary<string, string> parameters = new Dictionary<string, string>();
                parameters.Add("request", buffer);
                string strReturn = su.ReturnActionFromXml(url, parameters);
                JObject jo = (JObject)JsonConvert.DeserializeObject(strReturn);
                string responsestr = jo["response"] != null ? jo["response"].ToString().Trim() : "";//执行结果
                JObject jo2 = (JObject)JsonConvert.DeserializeObject(responsestr);
                return jo2;
            }

            public string ReturnActionFromXml(string url, IDictionary<string, string> parameters)
            {
                string xml;
                HttpWebResponse response = HttpWebResponseUtility.CreatePostHttpResponse(url, parameters, null, null, Encoding.UTF8, null);
                using (StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
                {
                    xml = sr.ReadToEnd();
                }
                return xml;
            }
    using System;
    using System.Collections.Generic;
    using System.IO;
    using System.Linq;
    using System.Net;
    using System.Net.Security;
    using System.Security.Cryptography.X509Certificates;
    using System.Text;
    using System.Web;
    namespace Dscf.Client.InformationAuditWeb.Handler
    {
        public class HttpWebResponseUtility
        {
            private static readonly string DefaultUserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";
            public static HttpWebResponse CreateGetHttpResponse(string url, int? timeout, string userAgent, CookieCollection cookies)
            {
                if (string.IsNullOrEmpty(url))
                {
                    throw new ArgumentNullException("url");
                }
                HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
                request.Method = "GET";
                request.UserAgent = DefaultUserAgent;
                if (!string.IsNullOrEmpty(userAgent))
                {
                    request.UserAgent = userAgent;
                } if (timeout.HasValue)
                {
                    request.Timeout = timeout.Value;
                } if (cookies != null)
                {
                    request.CookieContainer = new CookieContainer();
                    request.CookieContainer.Add(cookies);
                }
                return request.GetResponse() as HttpWebResponse;
            }
            public static HttpWebResponse CreatePostHttpResponse(string url, IDictionary<string, string> parameters, int? timeout, string userAgent, Encoding requestEncoding, CookieCollection cookies)
            {
                if (string.IsNullOrEmpty(url))
                { throw new ArgumentNullException("url"); }
                if (requestEncoding == null)
                {
                    throw new ArgumentNullException("requestEncoding");
                }
                HttpWebRequest request = null;             //如果是发送HTTPS请求     
                if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
                {
                    ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
                    request = WebRequest.Create(url) as HttpWebRequest;
                    request.ProtocolVersion = HttpVersion.Version10;
                }
                else
                {
                    request = WebRequest.Create(url) as HttpWebRequest;
                }
                request.Method = "POST";
                request.ContentType = "application/x-www-form-urlencoded";
                if (!string.IsNullOrEmpty(userAgent))
                {
                    request.UserAgent = userAgent;
                }
                else
                {
                    request.UserAgent = DefaultUserAgent;
                } if (timeout.HasValue)
                {
                    request.Timeout = timeout.Value;
                } if (cookies != null)
                {
                    request.CookieContainer = new CookieContainer();
                    request.CookieContainer.Add(cookies);
                }
                //如果需要POST数据  
                if (!(parameters == null || parameters.Count == 0))
                {
                    StringBuilder buffer = new StringBuilder(); int i = 0;
                    foreach (string key in parameters.Keys)
                    {
                        if (i > 0)
                        {
                            buffer.AppendFormat("&{0}={1}", key, parameters[key]);
                        }
                        else
                        {
                            buffer.AppendFormat("{0}={1}", key, parameters[key]);
                        } i++;
                    }
                    byte[] data = requestEncoding.GetBytes(buffer.ToString());
                    using (Stream stream = request.GetRequestStream())
                    { stream.Write(data, 0, data.Length); }
                } return request.GetResponse() as HttpWebResponse;
            }
            private static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
            {
                return true; //总是接受    
            }
        }
    }
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  • 原文地址:https://www.cnblogs.com/dullbaby/p/5486566.html
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