C#模拟登陆OSC并获取Cookie的代码

如下内容段是关于C#模拟登陆OSC并获取Cookie的内容，希望能对小伙伴们有一些用途。

using System; using System.Collections.Generic; using System.Collections.Specialized; using System.IO; using System.Net; using System.Text;

namespace OSCLogin { public class PostData {

	private List<PostDataParam> m_Params;

	public List<PostDataParam> Params
	{
		get { return m_Params; }
		set { m_Params = value; }
	}

	public PostData()
	{
		m_Params = new List<PostDataParam>();


	}

	
	public string GetPostData(string id)
	{
		
		string formDataBoundary = String.Format("--{0:N}",id );

		StringBuilder sb = new StringBuilder();
		
		foreach (PostDataParam p in m_Params)
		{
			sb.AppendLine(formDataBoundary);

			if (p.Type == PostDataParamType.File)
			{
				sb.AppendLine(string.Format("Content-Disposition: file; name="{0}"; filename="{1}"", p.Name, p.FileName));
				sb.AppendLine("Content-Type: text/plain; charset=UTF-8");
				sb.AppendLine("Content-Transfer-Encoding: 8bit");
				sb.AppendLine();
				sb.AppendLine(p.Value);
			}
			else
			{
				sb.AppendLine(string.Format("Content-Disposition: form-data; name="{0}"", p.Name));
				sb.AppendLine("Content-Type: text/plain; charset=UTF-8");
				sb.AppendLine("Content-Transfer-Encoding: 8bit");
				sb.AppendLine();
				sb.AppendLine(p.Value);
			}
		}

		sb.Append(formDataBoundary+"--");

		return sb.ToString();
	}
}

public enum PostDataParamType
{
	Field,
	File
}

public class PostDataParam
{


	public PostDataParam(string name, string value, PostDataParamType type)
	{
		Name = name;
		Value = value;
		Type = type;
	}

	public string Name;
	public string FileName;
	public string Value;
	public PostDataParamType Type;
}
class Program
{
	
	
	private static String getUserAgent() {
		return "OSChina.NET/1.6.2 Beta1_12/Android/4.0.4/MI-ONE Plus/"+Guid.NewGuid();
	}
	
	private static void Login(){
		HttpWebRequest request = (HttpWebRequest)
		request.UserAgent=getUserAgent();
		request.Method = "POST";
		
		PostData pData = new PostData();

		pData.Params.Add(new PostDataParam("username", "username", PostDataParamType.Field));
		pData.Params.Add(new PostDataParam("pwd", "pwd", PostDataParamType.Field));
		pData.Params.Add(new PostDataParam("keep_login", "1", PostDataParamType.Field));

		string  id=Guid.NewGuid().ToString();
		byte[] buffer = UTF8Encoding.UTF8.GetBytes(pData.GetPostData(id));
		request.ContentLength = buffer.Length;
		request.ContentType="multipart/form-data; boundary="+id;
		Stream oStream = request.GetRequestStream();
		oStream.Write(buffer, 0, buffer.Length);
		oStream.Close();
		HttpWebResponse response=(HttpWebResponse)request.GetResponse();
		System.IO.StreamReader sr = new StreamReader(response.GetResponseStream());
		Console.Write(sr.ReadToEnd());
		sr.Close();
		response.Close();

		string cookie = response.Headers.Get("Set-Cookie");
		Console.WriteLine(cookie);

	}
	
	private static void ReadCallback(IAsyncResult asynchronousResult)
	{
		HttpWebRequest request = (HttpWebRequest)asynchronousResult.AsyncState;
		HttpWebResponse response = (HttpWebResponse)
			request.EndGetResponse(asynchronousResult);

		foreach (Cookie cookieValue in response.Cookies)
		{
			Console.WriteLine("Cookie: " + cookieValue.ToString());
		}
	}

	
	public static void Main(string[] args)
	{
		Console.WriteLine("start  login....hoho");
		
		Login();
		Console.Write("Press any key to continue . . . ");
		Console.ReadKey(true);
	}
	
	
}

}