【C#网络基础】C# get post请求-白红宇

【C#网络基础】C# get post请求

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发布时间：2019-06-25

本文共 5802 字，大约阅读时间需要 19 分钟。

using KTCommon.Helper;using KTCommon.LOG;using System;using System.Collections.Generic;using System.IO;using System.Linq;using System.Net;using System.Text;using System.Threading.Tasks;namespace KTCommon.HTTP{    public class KTHttpRequest    {        #region GET请求        ///         /// GET请求        /// 
        ///         ///         /// 
             public static string _Get(string nUrl, int nCacheSecond = 0)        {            try            {                string cacheKey = "";                TraceLog.m_Trace.Trace("_Get Request Url=" + nUrl);                if (nCacheSecond > 0)                {                    if (nUrl.Contains("&signature="))                    {                        string temp = nUrl.Substring(0, nUrl.IndexOf("&signature="));                        cacheKey = MyMD5Helper.GetMD532(temp).ToUpper();                    }                    else                    {                        cacheKey = MyMD5Helper.GetMD532(nUrl).ToUpper();                    }                                        var cache = CacheHelper.Get(cacheKey);                    if (null != cache)                    {                        TraceLog.m_Trace.Trace(cacheKey + " read cache...");                        return cache as string;                    }                }                string htmltext = "";                HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(nUrl);                // 头信息                myRequest.Headers.Add("Cache-Control", "no-cache");                myRequest.Method = "GET";                myRequest.ContentType = "text/plain";                // 发送的数据信息                 myRequest.Timeout = 15 * 1000;                HttpWebResponse response = (HttpWebResponse)myRequest.GetResponse();                Stream responseStream = response.GetResponseStream();                StreamReader sr = new StreamReader(responseStream, Encoding.GetEncoding("utf-8"));                htmltext = sr.ReadToEnd();                sr.Close();                sr.Dispose();                responseStream.Close();                TraceLog.m_Trace.Trace("_Get htmltext=" + htmltext);                if (nCacheSecond > 0 && htmltext.StartsWith("{\"code\":0,"))                {                    TraceLog.m_Trace.Trace(cacheKey + " wrrite cache...");                    CacheHelper.Insert(cacheKey, htmltext, nCacheSecond);                }                return htmltext;            }            catch (Exception ex)            {                TraceLog.m_Trace.Trace("_Get Exception=" + ex);                return "";            }        }        #endregion        #region POST请求        ///         /// POST请求        /// 
        ///         ///         ///         /// 
             public static string _Post(string nUrl, string nMethodName, object nPostData, bool IsCache = false)        {#if DEBUG            //urlAddress = "http://localhost/airwaykeeper/v1/API/API2WShare.aspx";            //strMethodName = "_GetShareInfoByUID";            //strRequest = File.ReadAllText("d:\\request.txt", Encoding.UTF8);#endif            string htmltext = "";            string cacheKey = "";            Byte[] bSend = null;            try            {                string postData = Newtonsoft.Json.JsonConvert.SerializeObject(nPostData);                TraceLog.m_Trace.Trace(nMethodName + " RequestUrl=" + nUrl);                TraceLog.m_Trace.Trace(nMethodName + " PostData=" + postData);                //缓存                if (IsCache)                {                    cacheKey = nMethodName + "-" + MyMD5Helper.GetMD532(nUrl + nMethodName + postData).ToUpper();                    var cache = CacheHelper.Get(cacheKey);                    if (null != cache)                    {                        TraceLog.m_Trace.Trace(cacheKey + " read cache...");                        return cache as string;                    }                }                HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(nUrl);                // 头信息                myRequest.Headers.Add("Cache-Control", "no-cache");                myRequest.Headers.Add("MethodName", nMethodName);                myRequest.Method = "POST";                myRequest.ContentType = "application/json";                // 发送的数据信息                 bSend = Encoding.UTF8.GetBytes(postData);                myRequest.ContentLength = bSend.Length;                myRequest.Timeout = 60 * 1000;                // 发送数据                 Stream newStream = myRequest.GetRequestStream();                newStream.Write(bSend, 0, bSend.Length);                newStream.Close();                HttpWebResponse response = (HttpWebResponse)myRequest.GetResponse();                Stream responseStream = response.GetResponseStream();                StreamReader sr = new StreamReader(responseStream, Encoding.GetEncoding("utf-8"));                htmltext = sr.ReadToEnd();                sr.Close();                sr.Dispose();                responseStream.Close();            }            catch (Exception ex)            {                TraceLog.m_Trace.Trace(nMethodName + " Exception=" + ex.ToString());                return new BaseResponse(ex.Message).ToString();            }            TraceLog.m_Trace.Trace(nMethodName + " ResponseJson=" + htmltext);            //缓存            if (IsCache)            {                if (htmltext.Contains("IsSuccess\":true,"))                {                    TraceLog.m_Trace.Trace(cacheKey + " wrrite cache...");                    CacheHelper.Max(cacheKey, htmltext);                }            }            return htmltext;        }        #endregion    }    public class BaseResponse    {        public BaseResponse(string tmp)        {        }        public override string ToString()        {            return "";        }    }}