hxb
2020-09-23 2921da3e4ba99f0df28a172d47daa69e375431bc
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using System.IO;
using System.Net;
 
namespace HDLCloudMonitor
{
    public class HttpHp
    {
        #region WebRequest + WebResponse     
        /// <summary>
        /// 可以带请求数据,但不带Cookie
        /// </summary>
        /// <param name="requestUrl"></param>
        /// <param name="requestMethod"></param>
        /// <param name="requestData"></param>
        /// <returns></returns>
        public static string RequestOneUrlAnswerString(string requestUrl, string requestMethod, byte[] requestData)
        {
            return RequestOneUrlAnswerString(requestUrl, requestMethod, requestData, null);
        }
 
        /// <summary>
        /// 指定一个Url,和请求方法,数据,Cookie,得到响应的数据
        /// </summary>
        /// <param name="requestUrl">请求Url</param>
        /// <param name="requestMethod">请求方法</param>
        /// <param name="requestData">请求的的数据</param>
        /// <param name="requestCookieStr">Cookie字符串</param>
        /// <returns>得到响应的数据</returns>
        public static string RequestOneUrlAnswerString(string requestUrl, string requestMethod, byte[] requestData,
            string requestCookieStr)
        {
            ServicePointManager.ServerCertificateValidationCallback += (sender, cert, chain, error) =>
            {
                return true;
            };
            HttpWebRequest httpWebRequestObj = WebRequest.CreateHttp(requestUrl);
 
            if (httpWebRequestObj != null)
            {
                #region 请求准备
                httpWebRequestObj.Method = requestMethod;  //get post put delete
 
                //是用来在post提交的时候写post的内容的流,GET是不能有附加内容的,他附加的内容是在URL中的
                if (
                    (requestMethod.ToLower().Trim().Equals("post"))
                        &&
                    (requestData != null)
                        &&
                    (requestData.Length > 0))
                {
                    httpWebRequestObj.ContentType = "application/json";
                    Stream requestStream = httpWebRequestObj.GetRequestStream();
                    requestStream.Write(requestData, 0, requestData.Length);
                    requestStream.Close();
                }
 
                #endregion
 
                #region 得到请求的响应流并进行转化
                using (HttpWebResponse httpWebResponseObj = httpWebRequestObj.GetResponse() as HttpWebResponse)
                {
                    if (httpWebResponseObj == null)
                    {
                        return "ParameterOrEmpty";
                    }
                    else
                    {
                        Stream ResponseStream = httpWebResponseObj.GetResponseStream();
 
                        using (StreamReader Sr = new StreamReader(ResponseStream))
                        {
                            string ResponseString = Sr.ReadToEnd();
                            return ResponseString;
                        }
                    }
                }
                #endregion
            }
            else
            {
                return "ParameterOrEmpty";
            }
        }
 
        #endregion
    }
}