kjh.api.55128.cn_old/CP.Common/DoHttpHelp.cs

using NIU.Core;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;

namespace CP.Common
{
    public class DoHttpHelp
    {
        public static string PostHttp(string url, string methodType, Dictionary<string, string> headers, string body = null)
        {
            HttpWebRequest request = null;
            StreamWriter sw = null;
            StreamReader s = null;
            string ret;
            try
            {
                ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;//解决：请求被中止: 未能创建 SSL/TLS 安全通道
                request = (HttpWebRequest)WebRequest.Create(url);//请求
                request.Method = methodType;
                if (headers != null && headers.Count > 0)
                    for (var i = 0; i < headers.Count; i++)
                        request.Headers.Add(headers.ElementAt(i).Key, headers.ElementAt(i).Value);

                request.KeepAlive = true;
                //request.CookieContainer = cook;
                request.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
                //request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)";
                request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.75 Safari/537.36";
                request.ServicePoint.Expect100Continue = false;
                request.ServicePoint.ConnectionLimit = int.MaxValue;

                if (!string.IsNullOrEmpty(body))
                {
                    sw = new StreamWriter(request.GetRequestStream());//获取写入流
                    sw.Write(body);
                    sw.Flush();                                     //强制写入
                }

                WebResponse response = request.GetResponse();   //获取响应
                s = new StreamReader(response.GetResponseStream());//获取响应流
                ret = s.ReadToEnd();                             //读取数据
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                if (s != null) s.Close();
                if (sw != null) sw.Close();
                if (request != null) request.Abort();
                s = null;
                sw = null;
                request = null;
            }
            return ret;
        }

        /// <summary>
        /// 清理webapi开奖号数据缓存
        /// </summary>
        /// <param name="ename"></param>
        /// <returns></returns>
        public static bool UpdateWebApi(string ename)
        {
            string apiUrl = ConfigurationManager.AppSettings["api55128"].ToString();
            string wwwUrl = ConfigurationManager.AppSettings["www55128"].ToString();
            apiUrl += ename;
            wwwUrl += ename;
            PostHttp(wwwUrl, "Get", null);
            PostHttp(apiUrl, "Get", null);
            return true;
        }
        /// <summary>
        /// 清理webapi开奖号数据缓存
        /// </summary>
        /// <param name="ename"></param>
        /// <returns></returns>
        public static bool UpdateWebApi_admin(string ename)
        {
            string apiUrl = ConfigurationManager.AppSettings["api55128"].ToString();
            string wwwUrl = ConfigurationManager.AppSettings["www55128"].ToString();
            apiUrl += ename;
            wwwUrl += ename;
            var z = PostHttp(wwwUrl, "Get", null);
            var a = PostHttp(apiUrl, "Get", null);
            if (z == "0" && a.Contains("0"))
                return true;
            else
                throw new OperationExceptionFacade("清除缓存失败");
        }

        public static string PostHttpForAdmin(string url, string methodType, Dictionary<string, string> headers, string body = null)
        {
            HttpWebRequest request = null;
            StreamWriter sw = null;
            StreamReader s = null;
            string ret;
            try
            {
                request = (HttpWebRequest)WebRequest.Create(url);//请求
                request.Method = methodType;
                if (headers != null && headers.Count > 0)
                    for (var i = 0; i < headers.Count; i++)
                        request.Headers.Add(headers.ElementAt(i).Key, headers.ElementAt(i).Value);

                request.KeepAlive = true;
                //request.CookieContainer = cook;
                request.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
                request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)";
                request.ServicePoint.Expect100Continue = false;
                request.ServicePoint.ConnectionLimit = int.MaxValue;

                if (!string.IsNullOrEmpty(body))
                {
                    byte[] bytes = Encoding.Default.GetBytes(body);
                    Stream sendStream = request.GetRequestStream();
                    sendStream.Write(bytes, 0, bytes.Length);
                    sendStream.Close();
                }

                WebResponse response = request.GetResponse();   //获取响应
                s = new StreamReader(response.GetResponseStream());//获取响应流
                ret = s.ReadToEnd();                             //读取数据
            }
            catch (Exception ex)
            {
                throw ex;
            }
            finally
            {
                if (s != null) s.Close();
                if (sw != null) sw.Close();
                if (request != null) request.Abort();
                s = null;
                sw = null;
                request = null;
            }
            return ret;
        }
    }
}