/// <summary>
///output web str
/// input uri,encode,NetworkCredential(windows身份验证)
/// </summary>
/// <param name="uri"></param>
/// <param name="httpheader">httpoption对象包含cookis等信息 如果存在</param>
/// <param name="encode">如果不存在给默认值</param>
/// <param name="networkCredentials"> 如果存在，就赋给当前连接</param>
/// <returns></returns>
public string GetWeb(string uri, HttpOption httpheader = null, Encoding encode = null, NetworkCredential networkCredentials = null)
{
if (networkCredentials != null)
{
webRequestget.Credentials = networkCredentials;
}
if (encode == null)
{
encode = Encoding.UTF8;
}
if (uri.Substring(0, 5).ToLower().Equals("https"))
{
////这一句一定要写在创建连接的前面。使用回调的方法进行证书验证。
ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(httpsCertificateValidationCallback);
webRequestget = (HttpWebRequest)HttpWebRequest.Create(uri);
//将取消验证的证书保存到本地，访问web和post数据时候会用到
X509Certificate x509cer = new X509Certificate(AppDomain.CurrentDomain.BaseDirectory + "\\sslcard.cer");
webRequestget.ClientCertificates.Add(x509cer);//添加到请求对象中
}
else
{
webRequestget = (HttpWebRequest)HttpWebRequest.Create(uri);
}
//cookir如果报文头存在则赋给相关对象
if (httpheader != null)
{
webRequestget.Accept = httpheader.Accept;
webRequestget.Referer = httpheader.Referer;
webRequestget.Method = httpheader.Method;
webRequestget.KeepAlive = httpheader.KeepAlive;
webRequestget.UserAgent = httpheader.UserAgent;
if (httpheader.Cookies.Length > 0)
{
CookieContainer cookies = new CookieContainer();
foreach (var item in httpheader.Cookies)
{
cookies.Add(item);
}
webRequestget.CookieContainer = cookies;
}
}
return(_webGet(uri, encode));
}
private string _Post2Web(string uri, string postdata, ref Encoding encoding, HttpOption httpheader, NetworkCredential networkcredential)
{
string webdata = "";
//安全证书 ssl
if (uri.Substring(0, 5).ToLower().Equals("https"))
{
//使用回调的证书
ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(httpsCertificateValidationCallback);
webRequestpost = (HttpWebRequest)HttpWebRequest.Create(uri);
X509Certificate x509cer = new X509Certificate(AppDomain.CurrentDomain.BaseDirectory + "postssl.cer");
webRequestpost.ClientCertificates.Add(x509cer);
}
else
{
webRequestpost = (HttpWebRequest)HttpWebRequest.Create(uri);
}
if (networkcredential != null)
{
webRequestpost.Credentials = networkcredential;
}
if (encoding == null)
{
encoding = Encoding.UTF8;
}
if (httpheader != null)
{
webRequestpost.Accept = httpheader.Accept;
webRequestpost.Referer = httpheader.Referer;
webRequestpost.Method = httpheader.Method;
webRequestpost.KeepAlive = httpheader.KeepAlive;
webRequestpost.UserAgent = httpheader.UserAgent;
if (httpheader.Cookies.Length > 0)
{
CookieContainer cookies = new CookieContainer();
//for (int i = 0; i < httpheader.Cookies.Length; i++)
//{
// httpheader.Cookies[i]);
//}
if (cooki_public != null && cooki_public.Count > 0)
{
cookies = cooki_public;
}
foreach (Cookie item in httpheader.Cookies)
{
//cookies.Add(item);
}
webRequestpost.CookieContainer = cookies;
}
}
try
{
webRequestpost.Method = "Post";
byte[] buffer = encoding.GetBytes(postdata);
webRequestpost.ContentLength = buffer.Length;
webRequestpost.GetRequestStream().Write(buffer, 0, buffer.Length);
using (HttpWebResponse httpwebresponse = (HttpWebResponse)webRequestpost.GetResponse())
{
cooki_public = webRequestpost.CookieContainer;
using (System.IO.StreamReader streamreader = new System.IO.StreamReader(httpwebresponse.GetResponseStream()))
{
webdata = streamreader.ReadToEnd();
}
}
}
catch (WebException e)
{
webdata = string.Format("{0}:{1}", e.Status, e.InnerException.Message);
}
return(webdata);
}
/// <summary>
///
/// </summary>
/// <param name="uri"></param>
/// <param name="postdata"></param>
/// <param name="encoding"></param>
/// <param name="httpoption"></param>
/// <param name="networkcredential"></param>
/// <returns></returns>
public string PostWeb(string uri, string postdata, Encoding encoding = null, HttpOption httpheader = null, NetworkCredential networkcredential = null)
{
return(_Post2Web(uri, postdata, ref encoding, httpheader, networkcredential));
}