Doc.Utility/HttpMethod.cs

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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;

namespace Doc.Utility
{
    public class HttpMethod
    {
        /// <summary>
        ///     post请求服务端
        /// </summary>
        /// <param name="url">请求的服务端地址</param>
        /// <param name="parmDic">参数的词典</param>
        /// <param name="timeout">超时时间，单位秒</param>
        /// <returns>服务端返回的内容</returns>
        public static string WebRequestPost(string url, Dictionary<string, object> parmDic, int timeout = 0)
        {
            var webRequest = WebRequest.Create(url) as HttpWebRequest;
            var str = string.Empty;
            if (webRequest != null)
            {
                webRequest.Method = "POST";
                if (timeout != 0)
                {
                    webRequest.Timeout = timeout*1000;
                    webRequest.ReadWriteTimeout = timeout*1000;
                }
                webRequest.ContentType = "application/x-www-form-urlencoded";

                var postData = string.Empty;
                if (parmDic != null && parmDic.Any())
                {
                    postData = parmDic.Aggregate(string.Empty,
                        (current, kv) => current + string.Format("{0}={1}&", kv.Key, kv.Value))
                        .TrimEnd('&');
                }

                using (var sw = new StreamWriter(webRequest.GetRequestStream()))
                {
                    sw.Write(postData);
                }

                using (var response = webRequest.GetResponse())
                {
// ReSharper disable once AssignNullToNotNullAttribute
                    using (var sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8, true))
                    {
                        str = sr.ReadToEnd();
                    }
                }
            }
            return str;
        }


        /// <summary>
        ///     post请求服务端