using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Net;

using System.Net.Security;

using System.Security.Authentication;

using System.Security.Cryptography.X509Certificates;

using System.IO;

namespace WXMaster.Models

{

    public class PostHelp

    {

        public static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)

        {

            //直接确认，否则打不开

            return true;

        }

        #region 处理http POST请求，返回数据

        /// <summary>

        /// 处理http POST请求，返回数据

        /// </summary>

        /// <param name="json">请求参数</param>

        /// <param name="url">请求接口地址</param>

        /// <param name="isUseCert">是否使用证书</param>

        /// <param name="timeout">设置超时时间</param>

        /// <returns>http POST成功后返回的数据，失败抛WebException异常</returns>

        public static string Post(string json, string url, bool isUseCert, int timeout)

        {

            System.GC.Collect();//垃圾回收，回收没有正常关闭的http连接

            string result = "";//返回结果

            HttpWebRequest request = null;

            HttpWebResponse response = null;

            Stream reqStream = null;

            try

            {

                //设置最大连接数

                ServicePointManager.DefaultConnectionLimit = ;

                //设置https验证方式

                if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))

                {

                    ServicePointManager.ServerCertificateValidationCallback =

                            new RemoteCertificateValidationCallback(CheckValidationResult);

                }

                /***************************************************************

                * 下面设置HttpWebRequest的相关属性

                * ************************************************************/

                request = (HttpWebRequest)WebRequest.Create(url);

                request.Method = "POST";

                request.Timeout = timeout * ;

                //设置POST的数据类型和长度

                request.ContentType = "application/json;charset=UTF-8";

                byte[] data = System.Text.Encoding.UTF8.GetBytes(json);

                request.ContentLength = data.Length;

                //往服务器写入数据

                reqStream = request.GetRequestStream();

                reqStream.Write(data, , data.Length);

                reqStream.Close();

                //获取服务端返回

                response = (HttpWebResponse)request.GetResponse();

                //获取服务端返回数据

                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);

                result = sr.ReadToEnd().Trim();

                sr.Close();

            }

            catch (System.Threading.ThreadAbortException e)

            {

                System.Threading.Thread.ResetAbort();

            }

            catch (WebException e)

            {

                if (e.Status == WebExceptionStatus.ProtocolError)

                {

                }

            }

            catch (Exception e)

            {

            }

            finally

            {

                //关闭连接和流

                if (response != null)

                {

                    response.Close();

                }

                if (request != null)

                {

                    request.Abort();

                }

            }

            return result;

        }

        #endregion

        #region 处理http GET请求，返回数据

        /// <summary>

        /// 处理http GET请求，返回数据

        /// </summary>

        /// <param name="url">请求的url地址</param>

        /// <returns>http GET成功后返回的数据，失败抛WebException异常</returns>

        public static string Get(string url)

        {

            System.GC.Collect();

            string result = "";

            HttpWebRequest request = null;

            HttpWebResponse response = null;

            //请求url以获取数据

            try

            {

                //设置最大连接数

                ServicePointManager.DefaultConnectionLimit = ;

                //设置https验证方式

                if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))

                {

                    ServicePointManager.ServerCertificateValidationCallback =

                            new RemoteCertificateValidationCallback(CheckValidationResult);

                }

                /***************************************************************

                * 下面设置HttpWebRequest的相关属性

                * ************************************************************/

                request = (HttpWebRequest)WebRequest.Create(url);

                request.Method = "GET";

                //获取服务器返回

                response = (HttpWebResponse)request.GetResponse();

                //获取HTTP返回数据

                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);

                result = sr.ReadToEnd().Trim();

                sr.Close();

            }

            catch (System.Threading.ThreadAbortException e)

            {

                System.Threading.Thread.ResetAbort();

            }

            catch (WebException e)

            {

            }

            catch (Exception e)

            {

            }

            finally

            {

                //关闭连接和流

                if (response != null)

                {

                    response.Close();

                }

                if (request != null)

                {

                    request.Abort();

                }

            }

            return result;

        }

        #endregion

    }

}