C# POST GET请求方式汇总

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361

/// <summary>    /// POST方式提交 application/json    /// </summary>    /// <param name="postUrl">请求地址</param>    /// <param name="paramData">入参</param>    /// <param name="dataEncode">编码方式</param>    /// <returns></returns>    public string PostWebRequest(string postUrl, string paramData, Encoding dataEncode)    {        string ret = string.Empty;        try        {                        byte[] byteArray = dataEncode.GetBytes(paramData); //转化            ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072; //一定要有这一句            ServicePointManager.ServerCertificateValidationCallback = delegate(            Object obj, X509Certificate certificate, X509Chain chain,            SslPolicyErrors errors)            {                return (true);            };              HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(new Uri(postUrl));              webReq.Method = "POST";            webReq.ContentType = "application/json";            webReq.ContentLength = byteArray.Length;            Stream newStream = webReq.GetRequestStream();            newStream.Write(byteArray, 0, byteArray.Length);//写入参数            newStream.Close();            HttpWebResponse response = (HttpWebResponse)webReq.GetResponse();            StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);            ret = sr.ReadToEnd();            sr.Close();            response.Close();            newStream.Close();                    }        catch (Exception ex)        {            MessageBoxs.ShowError(ex.Message);        }        return ret;    }      /// <summary>    /// POST方式提交 application/json    /// </summary>    /// <param name="postUrl">请求地址</param>    /// <param name="paramData">入参</param>    /// <param name="dataEncode">编码方式</param>    /// <returns></returns>    public string PostWebRequest(string postUrl, string paramData)    {        string ret = string.Empty;        try        {                        byte[] byteArray = Encoding.UTF8.GetBytes(paramData); //转化            ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072; //一定要有这一句            ServicePointManager.ServerCertificateValidationCallback = delegate(            Object obj, X509Certificate certificate, X509Chain chain,            SslPolicyErrors errors)            {                return (true);            };            HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(new Uri(postUrl));            webReq.Method = "POST";            webReq.ContentType = "application/json";            webReq.ContentLength = byteArray.Length;            Stream newStream = webReq.GetRequestStream();            newStream.Write(byteArray, 0, byteArray.Length);//写入参数            newStream.Close();            HttpWebResponse response = (HttpWebResponse)webReq.GetResponse();            StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);            ret = sr.ReadToEnd();            sr.Close();            response.Close();            newStream.Close();                      }        catch (Exception ex)        {            MessageBoxs.ShowError(ex.Message);        }          return ret;    }      /// <summary>    /// POST方式提交 multipart/form-data    /// </summary>    /// <param name="postUrl">请求的拼接地址及入参(示例：http://ip:端口?a=1&b=2)</param>    /// <returns></returns>    public string PostRequest(string strInterFaceName, string postUrl)    {            string ret = string.Empty;        try        {              byte[] byteArray = Encoding.UTF8.GetBytes(postUrl); //转化            HttpWebRequest webReq = (HttpWebRequest)WebRequest.Create(new Uri(postUrl));            webReq.Method = "POST";            webReq.ContentType = "multipart/form-data";              webReq.ContentLength = byteArray.Length;            Stream newStream = webReq.GetRequestStream();            newStream.Write(byteArray, 0, byteArray.Length);//写入参数            newStream.Close();            HttpWebResponse response = (HttpWebResponse)webReq.GetResponse();            StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);            ret = sr.ReadToEnd();            sr.Close();            response.Close();            newStream.Close();                  }        catch (Exception ex)        {            MessageBoxs.ShowError(ex.Message);        }        return ret;    }        /// <summary>    /// Get提交方式    /// </summary>    /// <param name="getUrl">请求地址</param>    /// <returns></returns>    public string GetWebRequest(string getUrl)    {        string responseStr = string.Empty;        try        {                        WebRequest myWebRequest = WebRequest.Create(getUrl);            WebResponse myWebResponse = myWebRequest.GetResponse();            Stream ReceiveStream = myWebResponse.GetResponseStream();              if (ReceiveStream != null)            {                StreamReader reader = new StreamReader(ReceiveStream, Encoding.UTF8);                responseStr = reader.ReadToEnd();                reader.Close();            }            myWebResponse.Close();                    }        catch (Exception ex)        {                    }          return responseStr;    }      /// <summary>    /// 指定Post地址使用Get 方式获取全部字符串    /// </summary>    /// <param name="url">请求后台地址</param>    /// <returns></returns>    public  string Post(string url)    {        string result = "";              ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072; //一定要有这一句        ServicePointManager.ServerCertificateValidationCallback = delegate(        Object obj, X509Certificate certificate, X509Chain chain,        SslPolicyErrors errors)        {            return (true);        };            HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);          req.Method = "POST";        req.ContentType = "application/x-www-form-urlencoded";        HttpWebResponse resp = (HttpWebResponse)req.GetResponse();        Stream stream = resp.GetResponseStream();        //获取内容        using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))        {            result = reader.ReadToEnd();        }        return result;    }      /// <summary>    /// 发送JSON请求    /// </summary>    /// <param name="url">请求地址</param>    /// <param name="json">请求JSON</param>    /// <param name="timeout">超时时间（秒）</param>    /// <returns>响应对象</returns>    public T PostJson<T>(string url, object json, int timeout = 10)    {        try        {            var jsonString = JsonConvert.SerializeObject(json);            var jsonBytes = Encoding.UTF8.GetBytes(jsonString);            ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072; //一定要有这一句            ServicePointManager.ServerCertificateValidationCallback = delegate(            Object obj, X509Certificate certificate, X509Chain chain,            SslPolicyErrors errors)            {                return (true);            };              HttpWebRequest request = HttpWebRequest.Create(url) as HttpWebRequest;                       request.Method = "POST";            request.ContentType = "application/json;charset=UTF-8";            request.ContentLength = jsonBytes.Length;            request.Timeout = timeout * 1000;            ServicePointManager.ServerCertificateValidationCallback = (object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors) => { return true; };            using (var writer = request.GetRequestStream())            {                writer.Write(jsonBytes, 0, jsonBytes.Length);                  HttpWebResponse response = request.GetResponse() as HttpWebResponse;                using (StreamReader reader = new StreamReader(response.GetResponseStream()))                {                    return JsonConvert.DeserializeObject<T>(reader.ReadToEnd());                }            }        }        catch (Exception ex)        {            throw new Exception(string.Format("请求失败：{0}", ex.Message));        }    }      /// <summary>    /// 指定Post地址使用Get 方式获取全部字符串    /// </summary>    /// <param name="url">请求后台地址</param>    /// <returns></returns>    public T DicPost<T>(string url, Dictionary<string, string> dic)    {        //string result = "";        try        {            HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);            ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072; //一定要有这一句            ServicePointManager.ServerCertificateValidationCallback = delegate(            Object obj, X509Certificate certificate, X509Chain chain,            SslPolicyErrors errors)            {                return (true);            };              req.Method = "POST";            req.ContentType = "application/x-www-form-urlencoded";            #region 添加Post 参数            StringBuilder builder = new StringBuilder();            int i = 0;            foreach (var item in dic)            {                if (i > 0)                    builder.Append("&");                builder.AppendFormat("{0}={1}", item.Key, item.Value);                i++;            }            JHLog.Instance().Writelog("builder:" + builder.ToString());            byte[] data = Encoding.UTF8.GetBytes(builder.ToString());            req.ContentLength = data.Length;            using (Stream reqStream = req.GetRequestStream())            {                reqStream.Write(data, 0, data.Length);                reqStream.Close();            }            #endregion            HttpWebResponse resp = (HttpWebResponse)req.GetResponse();            Stream stream = resp.GetResponseStream();            //获取响应内容            using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))            {               string result = reader.ReadToEnd();               JHLog.Instance().Writelog("响应内容："+result);                return JsonConvert.DeserializeObject<T>(reader.ReadToEnd());            }        }        catch (Exception ex)        {            throw new Exception(string.Format("请求失败：{0}", ex.Message));        }    }        /// <summary>    /// 指定Post地址使用Get 方式获取全部字符串  application/x-www-form-urlencoded<br>        ///using System.Net.Security;<br>        ///using System.Security.Cryptography.X509Certificates;<br>        /// </summary>    /// <param name="url">请求后台地址</param>    /// <returns></returns>    public string DicPosts(string url, Dictionary<string, string> dic)    {        string result = "";        HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);          ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072; //一定要有这一句        ServicePointManager.ServerCertificateValidationCallback = delegate(        Object obj, X509Certificate certificate, X509Chain chain,        SslPolicyErrors errors)        {            return (true);        };        req.Method = "POST";        req.ContentType = "application/x-www-form-urlencoded";        #region 添加Post 参数        StringBuilder builder = new StringBuilder();        int i = 0;        foreach (var item in dic)        {            if (i > 0)                builder.Append("&");            builder.AppendFormat("{0}={1}", item.Key, item.Value);            i++;        }         byte[] data = Encoding.UTF8.GetBytes(builder.ToString());        req.ContentLength = data.Length;        using (Stream reqStream = req.GetRequestStream())        {            reqStream.Write(data, 0, data.Length);            reqStream.Close();        }        #endregion        HttpWebResponse resp = (HttpWebResponse)req.GetResponse();        Stream stream = resp.GetResponseStream();        //获取响应内容        using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))        {            result = reader.ReadToEnd();        }        return result;    }      /// <summary>    /// POST请求与获取结果    /// 地址：http://ip:port?appid=11&dd=22&appkey=33    /// </summary>    public string HttpPostJson(string Url, string postDataStr)    {        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);        request.Method = "POST";        request.ContentType = "application/json";        // request.ContentLength = postDataStr.Length;        StreamWriter writer = new StreamWriter(request.GetRequestStream(), Encoding.GetEncoding("utf-8"));        writer.Write(postDataStr);        writer.Flush();        HttpWebResponse response = (HttpWebResponse)request.GetResponse();        string encoding = response.ContentEncoding;        if (encoding == null || encoding.Length < 1)        {            encoding = "UTF-8"; //默认编码        }        StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding(encoding));        string retString = reader.ReadToEnd();        return retString;    }