#region----发起apiUrl请求----
/// <summary>
/// 发起apiUrl请求
/// </summary>
/// <param name="url"></param>
/// <param name="paramData"></param>
/// <param name="headerDic"></param>
/// <returns></returns>
public static string HttpPost(string url, string paramData, Dictionary<string, string> headerDic = null)
{
string result = string.Empty;
try
{
string urlGet = url + "?" + paramData;
HttpWebRequest wbRequest = (HttpWebRequest)WebRequest.Create(urlGet);
wbRequest.ContentType = "application/x-www-form-urlencoded";
wbRequest.KeepAlive = false;
wbRequest.ProtocolVersion = HttpVersion.Version10;
/*
wbRequest.Method = "Post";
wbRequest.ContentType = "application/x-www-form-urlencoded";
wbRequest.ContentLength = Encoding.UTF8.GetByteCount(paramData);
wbRequest.KeepAlive = false;
wbRequest.ProtocolVersion = HttpVersion.Version10;
if (headerDic != null && headerDic.Count > 0)
{
foreach (var item in headerDic)
{
wbRequest.Headers.Add(item.Key, item.Value);
}
}
using (Stream requestStream = wbRequest.GetRequestStream())
{
using (StreamWriter swrite = new StreamWriter(requestStream))
{
swrite.Write(paramData);
}
}
*/
/*
HttpWebRequest wbRequest = (HttpWebRequest)WebRequest.Create(url);
wbRequest.Method = "Post";
wbRequest.ContentType = "application/x-www-form-urlencoded";
wbRequest.KeepAlive = false;
wbRequest.ProtocolVersion = HttpVersion.Version10;
byte[] requestData = Encoding.UTF8.GetBytes(paramData);
wbRequest.ContentLength = requestData.Length;
Stream requestStream = wbRequest.GetRequestStream();
requestStream.Write(requestData, 0, requestData.Length);
requestStream.Close();
*/
//接收返回包
HttpWebResponse wbResponse = (HttpWebResponse)wbRequest.GetResponse();
using (Stream responseStream = wbResponse.GetResponseStream())
{
using (StreamReader sread = new StreamReader(responseStream))
{
result = sread.ReadToEnd();
}
}
}
catch (Exception ex)
{
//记录日志
//Console.WriteLine(ex.Message);
throw ex;
}
return result;
}
#endregion
================================================================
#region----接收银行服务器发送回来的流----
/// <summary>
/// 接收银行服务器发送回来的流
/// </summary>
/// <returns></returns>
public string GetPost()
{
try
{
System.IO.Stream s = System.Web.HttpContext.Current.Request.InputStream;//接收微信端发送过来的xml
int count = 0;
byte[] buffer = new byte[s.Length];
StringBuilder builder = new StringBuilder();
while ((count = s.Read(buffer, 0, buffer.Length)) > 0)
{
builder.Append(System.Web.HttpContext.Current.Request.ContentEncoding.GetString(buffer, 0, count));
}
s.Flush();
s.Close();
s.Dispose();
return builder.ToString();
}
catch (Exception ex)
{
LogHelper.RecordErro("[GetPost]银行支付，接收银行服务器发送回来的流报错", ex);
return null;
}
}
#endregion
---------------------------------------------------------------------------
//接收返回包
string getJson = GetPost();
--------------------------------------------------------------------------
================================================================
远程服务器返回错误：（415）Unsupported Media Type.
原因：头部信息ContentType不符合要求，可能是 application/x-www-form-urlencoded ，也可能是 application/json ，根据实际服务器能够接受的信息类型为准。
远程服务器返回错误：（400）错误的请求。
原因：ContentType写了application/json ，提交的数据就不能是From格式，必须是Json格式。
================================================================
提交Json参数请求远程接口
Dictionary<string, string> paramsDir = new Dictionary<string, string>();
paramsDir.Add("accountId", accountId);
paramsDir.Add("payType", payType);
paramsDir.Add("orderId", orderId);
paramsDir.Add("commodity", commodit);
paramsDir.Add("amount", amount);
paramsDir.Add("responseUrl", responseUrl);
paramsDir.Add("ext", ext);
paramsDir.Add("mac", mac);
paramsDir.Add("versionParam", versionParam);
paramsDir.Add("limitPay", limitPay);
string postJsonLog = JsonConvert.SerializeObject(paramsDir);
LogHelper.Info(currentMethodLog + "请求的数据：" + postJsonLog);
string resultHttpJson = HttpUtils.PostJson(url, paramsDir, null);
-------------------------------------------------------------------------
#region----提交Json参数请求远程接口----
/// <summary>
/// 提交Json参数请求远程接口
/// </summary>
/// <param name="url"></param>
/// <param name="parameters"></param>
/// <param name="charset"></param>
/// <returns></returns>
public static string PostJson(string url, IDictionary<string, string> parameters, Encoding charset = null)
{
HttpWebRequest request = null;
//HTTPSQ请求
request = WebRequest.Create(url) as HttpWebRequest;
request.ProtocolVersion = HttpVersion.Version10;
request.Method = "POST";
request.ContentType = "application/json";
//如果需要POST数据
if (!(parameters == null || parameters.Count == 0))
{
//提交的Json格式的参数数据
string buffer = JsonConvert.SerializeObject(parameters);
charset = (charset == null ? Encoding.GetEncoding("utf-8") : charset);
byte[] data = charset.GetBytes(buffer.ToString());
using (Stream stream = request.GetRequestStream())
{
stream.Write(data, 0, data.Length);
}
}
var webResponse = request.GetResponse() as HttpWebResponse;
using (var steam = webResponse.GetResponseStream())
{
StreamReader sr = new StreamReader(steam);
return sr.ReadToEnd();
}
}
#endregion
提交Form参数请求远程接口
#region----提交Form参数请求远程接口----
/// <summary>
/// 提交Form参数请求远程接口；
/// 仅限参数为formBody的请求；
/// </summary>
/// <param name="url">接口uri</param>
/// <param name="parameters">参数</param>
/// <param name="charset">编码</param>
/// <returns></returns>
public static string PostForm(string url, IDictionary<string, string> parameters, Encoding charset = null)
{
HttpWebRequest request = null;
//HTTPSQ请求
ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
request = WebRequest.Create(url) as HttpWebRequest;
request.ProtocolVersion = HttpVersion.Version10;
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.UserAgent = DefaultUserAgent;
//request.Headers.Add("X-Forwarded-For", ip);
//request.Headers.Add("HTTP_X_FORWARDED_FOR", ip);
//request.Headers.Add("HTTP_CLIENT_IP", ip);
//request.Headers.Add("REMOTE_ADDR", ip);
////request.Headers.Add("Host", "http://www.gd.xinhuanet.com/zt18/gdppbj/wap.html");
//如果需要POST数据
if (!(parameters == null || parameters.Count == 0))
{
//提交的Form格式的参数数据
StringBuilder buffer = new StringBuilder();
int i = 0;
foreach (string key in parameters.Keys)
{
if (i > 0)
{
buffer.AppendFormat("&{0}={1}", key, parameters[key]);
}
else
{
buffer.AppendFormat("{0}={1}", key, parameters[key]);
}
i++;
}
charset = (charset == null ? Encoding.GetEncoding("utf-8") : charset);
byte[] data = charset.GetBytes(buffer.ToString());
using (Stream stream = request.GetRequestStream())
{
stream.Write(data, 0, data.Length);
}
}
var webResponse = request.GetResponse() as HttpWebResponse;
using (var steam = webResponse.GetResponseStream())
{
StreamReader sr = new StreamReader(steam);
return sr.ReadToEnd();
}
}
#endregion
==============================================================
接口接收Form表单，查看传了什么参数过来
LogHelper.Info(currentMethodLog + "记录接收的每个参数名字：" + HttpContext.Request.Form.AllKeys.ToJson());
标签：http,string,paramsDir,request,wbRequest,Add,注意事项,net,null From： https://www.cnblogs.com/jankie1122/p/11108668.html