获取指定Url的所有Cookie（包含HttpOnly的）
/// <summary>
/// WinInet.dll wrapper
/// 获取所有的Cookie（包括HttpOnly）
/// </summary>
internal static class CookieReader
{
private const int INTERNET_COOKIE_HTTPONLY = 0x00002000;
[DllImport("wininet.dll", SetLastError = true)]
private static extern bool InternetGetCookieEx(
string url,
string cookieName,
StringBuilder cookieData,
ref int size,
int flags,
IntPtr pReserved);
public static string GetCookie(string url)
{
int size = 512;
StringBuilder sb = new StringBuilder(size);
if (!InternetGetCookieEx(url, null, sb, ref size, INTERNET_COOKIE_HTTPONLY, IntPtr.Zero))
{
if (size < 0)
{
return null;
}
sb = new StringBuilder(size);
if (!InternetGetCookieEx(url, null, sb, ref size, INTERNET_COOKIE_HTTPONLY, IntPtr.Zero))
{
return null;
}
}
return sb.ToString();
}
}
发送Get请求
发送Get请求(不带Cookie)
/// <summary>
/// 通过GET方式发送数据（不带Cookie）
/// </summary>
/// <param name="Url">url</param>
public string SendDataByGET(string Url)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url/* + (postDataStr == "" ? "" : "?") + postDataStr*/);
string retString = "";
try
{
request.Method = "GET";
//request.ContentType = "text/html;charset=UTF-8";
request.ContentType = "application/x-www-form-urlencoded";
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream myResponseStream = response.GetResponseStream();
StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
retString = myStreamReader.ReadToEnd();
myStreamReader.Close();
myResponseStream.Close();
}
catch (Exception) { MessageBox.Show("网络请求异常！"); }
return retString;
}
发送Get请求(带Cookie)
/// <summary>
/// 通过GET方式发送数据（带Cookie）
/// </summary>
/// <param name="Url">url</param>
/// <param name="postDataStr">GET数据</param>
/// <param name="cookie">Cookie容器</param>
/// <returns>返回的内容</returns>
public string SendDataByGET(string Url,/* string postDataStr, */ref CookieContainer cookie)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url/* + (postDataStr == "" ? "" : "?") + postDataStr*/);
try
{
if (cookie.Count == 0)
{
request.CookieContainer = new CookieContainer();
cookie = request.CookieContainer;
}
else
{
request.CookieContainer = cookie;
}
}
catch (Exception ex)
{
MessageBox.Show("请先获取Cookie！");
MessageBox.Show(ex.Message);
return "";
}
string retString = "";
try
{
request.Method = "GET";
//request.ContentType = "text/html;charset=UTF-8";
request.ContentType = "application/x-www-form-urlencoded";
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream myResponseStream = response.GetResponseStream();
StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
retString = myStreamReader.ReadToEnd();
myStreamReader.Close();
myResponseStream.Close();
}
catch (Exception) { MessageBox.Show("网络请求异常！"); }
return retString;
}
通过Post方式发送请求
通过Post方式发送请求（不带Cookie）
/// <summary>
/// 通过Post方式发送数据
/// </summary>
/// <param name="Url">url</param>
/// <param name="PostData">Post数据，如string.Format("userid={0}&password={1}", "guest", "123456")</param>
/// <param name="UTF8">是否使用UTF8编码</param>
/// <returns>返回的内容</returns>
public string SendDataByPost(string Url, string PostData, bool UTF8 = false)
{
byte[] data;
if (UTF8)
{
data = Encoding.UTF8.GetBytes(PostData);
}
else
{
data = Encoding.Default.GetBytes(PostData);
}
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
request.Method = "POST";
//request.KeepAlive = true;
request.ContentType = "application/x-www-form-urlencoded;charset=UTF-8";
request.UserAgent = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36";
request.ContentLength = data.Length;
Stream newStream = request.GetRequestStream();
// Send the data.
newStream.Write(data, 0, data.Length);
newStream.Close();
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream myResponseStream = response.GetResponseStream();
StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
string retString = myStreamReader.ReadToEnd();
myStreamReader.Close();
myResponseStream.Close();
return retString;
}
通过Post方式发送请求（带Cookie）
/// <summary>
/// 通过Post方式发送数据（带Cookie）
/// </summary>
/// <param name="Url">url</param>
/// <param name="PostData">Post数据，如string.Format("userid={0}&password={1}", "guest", "123456")</param>
/// <param name="cookie">Cookie容器</param>
/// <returns>返回的内容</returns>
public string SendDataByPost(string Url, string PostData, ref CookieContainer cookie)
{
byte[] data = Encoding.Default.GetBytes(PostData);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
if (cookie.Count == 0)
{
request.CookieContainer = new CookieContainer();
cookie = request.CookieContainer;
}
else
{
request.CookieContainer = cookie;
}
string retString = "";
try
{
request.Method = "POST";
//request.KeepAlive = true;
request.ContentType = "application/x-www-form-urlencoded;charset=UTF-8";
request.UserAgent = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36";
request.ContentLength = data.Length;
Stream newStream = request.GetRequestStream();
// Send the data.
newStream.Write(data, 0, data.Length);
newStream.Close();
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream myResponseStream = response.GetResponseStream();
StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
retString = myStreamReader.ReadToEnd();
myStreamReader.Close();
myResponseStream.Close();
}
catch (Exception) { MessageBox.Show("网络请求异常！"); }
return retString;
}
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