C# Oauth 1.0授权问题,请大神解决,谢谢。。....。完全没用过Oauth。。。。。

我有consumerKey,consumerSecret和网址该怎样调用下面类
才能得到access_token,完全没用过Oauth 谢谢大神

```using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Web;
using System.Web.Security;

namespace ConsoleApplication4
{
public class YzjAuth1
{

   private static readonly String HOST = "http://weibo.com/snsapi/oauth/request_token";
   private static String appTokenURL = HOST;
    private static int connTimeout = 5000;
    private static int readTimeout = 5000;
    private static String METHON = "POST";
    /// <summary>
    /// 得到授权
    /// </summary>
    /// <param name="consumerKey"></param>
    /// <param name="consumerSecret"></param>
    /// <returns></returns>
    public static String getOauthToken(String consumerKey,
        String consumerSecret)
    {
        OAuth oAuth = new OAuth(consumerKey, consumerSecret, "");
        String authorization = oAuth.generateAuthorizationHeader(METHON,
                appTokenURL, null, null);
        return authorization;

    }
}

public class OAuth
{
private static readonly String HMAC_SHA1 = "HmacSHA1";
static readonly long serialVersionUID = -4368426677157998618L;
private String consumerKey { get; set; }

   private String consumerSecret { get; set; }

   private String oauthVerifier { get; set; }

   private static Random RAND = new Random();
   public OAuth(String consumerKey, String consumerSecret, String oauthVerifier)
   {
       this.consumerKey = consumerKey;
       this.consumerSecret = consumerSecret;
       if (string.IsNullOrEmpty(oauthVerifier))
       {
           this.oauthVerifier = oauthVerifier;
       }
   }

   /// <summary>
   /// 设置授权头
   /// </summary>
   /// <param name="method"></param>
   /// <param name="url"></param>
   /// <param name="?"></param>
   /// <returns></returns>
   public String generateAuthorizationHeader(String method, String url, object o, OAuthToken token)
   {
       string timestamp = (System.DateTime.Now).ToString();
       string nonce = (System.DateTime.Now.ToString() + new Random().Next()).ToString();
       return generateAuthorizationHeader(method, url, null,
           nonce, timestamp, token);
   }

   ////字典
   //private Dictionary<string, string> signatureBaseParams = new Dictionary<string, string>();
   ////排序字典
   //private Dictionary<string, string> sortsignatureBaseParams = new Dictionary<string, string>();
   private String generateAuthorizationHeader(string method, string url, object o, string nonce,
       string timestamp, OAuthToken otoken)
   {

       long timestamp1 =
           ((long) (DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds)/1000L;
       long nonce1 = timestamp1 + RAND.Next();
       //Dictionary<string, string> dcbase = new Dictionary<string, string>();
       //字典
       Dictionary<string, string> signatureBaseParams = new Dictionary<string, string>();
       //排序字典
       Dictionary<string, string> sortsignatureBaseParams = new Dictionary<string, string>();
       signatureBaseParams.Add("oauth_consumer_key", this.consumerKey);
       signatureBaseParams.Add("oauth_nonce", nonce1.ToString());
       signatureBaseParams.Add("oauth_signature_method", "HMAC-SHA1");
       signatureBaseParams.Add("oauth_timestamp", timestamp1.ToString());
       signatureBaseParams.Add("oauth_version", "1.0");

       //foreach (string key in dcbase.Keys)
       //{
       //    signatureBaseParams.Add(key, dcbase[key]);
       //}
       //新添参数没弄
       ParePara(url, signatureBaseParams);

       signatureBaseParams = signatureBaseParams.OrderBy(m => m.Key).ToDictionary(m => m.Key, p => p.Value);

       StringBuilder base1 = new StringBuilder(method).Append("&")
           .Append(encode(constructRequestURL(url))).Append(("&"));
       string encostr = encode(normalizeRequestParameters(signatureBaseParams));
       base1.Append(encostr);
       String oauthBaseString = base1.ToString();
       //oauthBaseString =
       //    "POST&https%3A%2F%2Fwww.yunzhijia.com%2Fopenapi%2Fthird%2Fv1%2Fopendata-control%2Fdata%2Fgetperson&eid%3D4491460%26oauth_consumer_key%3D10231%26" +
       //    "oauth_nonce%3D3283982167%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1469524742%26oauth_version%3D1.0%26openId%3D5746daa0e4b00f589d350f2f";
       String signature = generateSignature(oauthBaseString, otoken);



       sortsignatureBaseParams.Add("oauth_consumer_key", this.consumerKey);

       sortsignatureBaseParams.Add("oauth_signature_method", "HMAC-SHA1");
       sortsignatureBaseParams.Add("oauth_timestamp", timestamp1.ToString());
       sortsignatureBaseParams.Add("oauth_nonce", nonce1.ToString());
       sortsignatureBaseParams.Add("oauth_version", "1.0");
       sortsignatureBaseParams.Add("oauth_signature", signature);
       string OAuthStr = "OAuth " + encodeParameters(sortsignatureBaseParams.ToList(), ",", true);
       return OAuthStr;
   }

   public string generateAuthorizationHeader1()
   {

       long timestamp1 = (long)(DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds;              
       long nonce1 = timestamp1 + RAND.Next();
       //字典
       Dictionary<string, string> signatureBaseParams = new Dictionary<string, string>();
       //排序字典
       Dictionary<string, string> sortsignatureBaseParams = new Dictionary<string, string>();
       signatureBaseParams.Add("appid", this.consumerKey);
       signatureBaseParams.Add("nonce", nonce1.ToString());
       signatureBaseParams.Add("timestamp", timestamp1.ToString());
       signatureBaseParams.Add("version", "1.1");
       signatureBaseParams.Add("appSecret", this.consumerSecret);
       signatureBaseParams = signatureBaseParams.OrderBy(m => m.Value).ToDictionary(m => m.Key, p => p.Value);
       string data = string.Empty;
       foreach (var key in signatureBaseParams.Keys)
       {
           data += signatureBaseParams[key];
       }           
       data = SHA1_To(data);
       string authorization = "OpenAuth2 version={0}, appid={1}, timestamp={2}, nonce={3}, sign={4}";           
       return string.Format(authorization, "1.1", this.consumerKey, timestamp1.ToString(), nonce1.ToString(), data);
   }

   public string EncryptToSHA1(string str)
   {
       return FormsAuthentication.HashPasswordForStoringInConfigFile(str, "SHA1");
   }

   public string SHA1_To(string str)
   {
       byte[] StrRes = Encoding.Default.GetBytes(str);
       HashAlgorithm iSHA = new SHA1CryptoServiceProvider();
       StrRes = iSHA.ComputeHash(StrRes);
       StringBuilder EnText = new StringBuilder();
       foreach (byte iByte in StrRes)
       {
           EnText.AppendFormat("{0:x2}", iByte);
       }
       return EnText.ToString();
   }
   static public string SHA1_Hash(string str)
   {
       SHA1CryptoServiceProvider sha1 = new SHA1CryptoServiceProvider();
       byte[] str1 = Encoding.UTF8.GetBytes(str);
       byte[] str2 = sha1.ComputeHash(str1);
       sha1.Clear();
       (sha1 as IDisposable).Dispose();
       return Convert.ToBase64String(str2);
   }
   protected String generateSignature(String data, OAuthToken token)
   {
       HMACSHA1 hmacsha1 = new HMACSHA1();
       hmacsha1.Key = Encoding.UTF8.GetBytes(this.consumerSecret + "&");
       byte[] dataBuffer = Encoding.UTF8.GetBytes(data);
       byte[] hashBytes = hmacsha1.ComputeHash(dataBuffer);
       return Convert.ToBase64String(hashBytes);

   }
   public static String normalizeRequestParameters(Dictionary<string, string> dcparas)
   {
       // dcparas.ToList().Sort();

       return encodeParameters(dcparas.ToList());
   }
   public static String encodeParameters(List<KeyValuePair<string, string>> o)
   {
       return encodeParameters(o, "&", false);
   }
   public static String encodeParameters(List<KeyValuePair<string, string>> o, String splitter, Boolean quot)
   {
       StringBuilder buf = new StringBuilder();
       foreach (KeyValuePair<string, string> pa in o)
       {
           if (buf.Length != 0)
           {
               if (quot)
               {
                   buf.Append("\"");
               }
               buf.Append(splitter);
           }
           buf.Append(encode(pa.Key)).Append("=");
           if (quot)
           {
               buf.Append("\"");
           }
           buf.Append(encode(pa.Value));
       }
       if ((buf.Length != 0) &&
         (quot))
       {
           buf.Append("\"");
       }

       return buf.ToString();
   }
   /// <summary>
   /// 构造请求url
   /// </summary>
   /// <param name="url"></param>
   /// <returns></returns>
   public static String constructRequestURL(String url)
   {
       int index = url.IndexOf("?");
       if (-1 != index)
       {
           url = url.Substring(0, index);
       }
       int slashIndex = url.IndexOf("/", 8);
       String baseURL = url.Substring(0, slashIndex).ToLower();
       int colonIndex = baseURL.IndexOf(":", 8);
       if (-1 != colonIndex)
       {
           if ((baseURL.StartsWith("http://")) && (baseURL.EndsWith(":80")))
           {
               baseURL = baseURL.Substring(0, colonIndex);
           }
           else if ((baseURL.StartsWith("https://")) &&
             (baseURL.EndsWith(":443")))
           {
               baseURL = baseURL.Substring(0, colonIndex);
           }
       }
       url = baseURL + url.Substring(slashIndex);
       return url;
   }
   /// <summary>
   /// 解决javaC#转码区别 java转码为小写 C#为大写
   /// </summary>
   /// <param name="temp"></param>
   /// <param name="encoding"></param>
   /// <returns></returns>
   private static string UrlEncode(string temp, Encoding encoding)
   {
       StringBuilder stringBuilder = new StringBuilder();
       for (int i = 0; i < temp.Length; i++)
       {
           string t = temp[i].ToString();
           string k = HttpUtility.UrlEncode(t, encoding);
           if (t == k)
           {
               stringBuilder.Append(t);
           }
           else
           {
               stringBuilder.Append(k.ToUpper());
           }
       }
       return stringBuilder.ToString();
   }
   /// <summary>
   /// 解码
   /// </summary>
   /// <param name="value"></param>
   /// <returns></returns>
   public static String encode(String value)
   {
       String encoded = null;

       //encoded = System.Web.HttpUtility.UrlEncode(value, System.Text.Encoding.UTF8);
       encoded = UrlEncode(value, System.Text.Encoding.UTF8);
       StringBuilder buf = new StringBuilder(encoded.Length);

       for (int i = 0; i < encoded.Length; i++)
       {
           char focus = encoded.ElementAt(i);
           if (focus == '*')
           {
               buf.Append("%2A");
           }
           else if (focus == '+')
           {
               buf.Append("%20");
           }
           else if ((focus == '%') && (i + 1 < encoded.Length) &&
           (encoded.ElementAt(i + 1) == '7') &&
           (encoded.ElementAt(i + 2) == 'E'))
           {
               buf.Append('~');
               i += 2;
           }
           else
           {
               buf.Append(focus);
           }
       }
       return buf.ToString();

   }

   private
       void ParePara(String url, Dictionary<string, string> signatureBaseParams)
   {
       int queryStart = url.IndexOf("?", StringComparison.Ordinal);
       if (-1 != queryStart)
       {
           string[] queryStrs = url.Substring(queryStart + 1).Split('&');//分割参数与请求部分参数
           foreach (string query in queryStrs)
           {
               string[] split = query.Split('=');
               if (split.Length == 2)
               {
                   string a = System.Web.HttpUtility.UrlDecode(split[0], System.Text.Encoding.UTF8);
                   string b = System.Web.HttpUtility.UrlDecode(split[1], System.Text.Encoding.UTF8);
                   signatureBaseParams.Add(a, b);
               }
               else
               {
                   string a1 = System.Web.HttpUtility.UrlDecode(split[0], System.Text.Encoding.UTF8);

                   signatureBaseParams.Add(a1, "");
               }
           }

       }
   }

}
public class OAuthToken
{

}
///
/// Base64编码类。
/// 将byte[]类型转换成Base64编码的string类型。
///
public class Base64Encoder
{
byte[] source;
int length, length2;
int blockCount;
int paddingCount;
public static Base64Encoder Encoder = new Base64Encoder();

   public Base64Encoder()
   {
   }

   private void init(byte[] input)
   {
       source = input;
       length = input.Length;
       if ((length % 3) == 0)
       {
           paddingCount = 0;
           blockCount = length / 3;
       }
       else
       {
           paddingCount = 3 - (length % 3);
           blockCount = (length + paddingCount) / 3;
       }
       length2 = length + paddingCount;
   }

   public string GetEncoded(byte[] input)
   {
       //初始化
       init(input);

       byte[] source2;
       source2 = new byte[length2];

       for (int x = 0; x < length2; x++)
       {
           if (x < length)
           {
               source2[x] = source[x];
           }
           else
           {
               source2[x] = 0;
           }
       }

       byte b1, b2, b3;
       byte temp, temp1, temp2, temp3, temp4;
       byte[] buffer = new byte[blockCount * 4];
       char[] result = new char[blockCount * 4];
       for (int x = 0; x < blockCount; x++)
       {
           b1 = source2[x * 3];
           b2 = source2[x * 3 + 1];
           b3 = source2[x * 3 + 2];

           temp1 = (byte)((b1 & 252) >> 2);

           temp = (byte)((b1 & 3) << 4);
           temp2 = (byte)((b2 & 240) >> 4);
           temp2 += temp;

           temp = (byte)((b2 & 15) << 2);
           temp3 = (byte)((b3 & 192) >> 6);
           temp3 += temp;

           temp4 = (byte)(b3 & 63);

           buffer[x * 4] = temp1;
           buffer[x * 4 + 1] = temp2;
           buffer[x * 4 + 2] = temp3;
           buffer[x * 4 + 3] = temp4;

       }

       for (int x = 0; x < blockCount * 4; x++)
       {
           result[x] = sixbit2char(buffer[x]);
       }


       switch (paddingCount)
       {
           case 0: break;
           case 1: result[blockCount * 4 - 1] = '='; break;
           case 2: result[blockCount * 4 - 1] = '=';
               result[blockCount * 4 - 2] = '=';
               break;
           default: break;
       }
       return new string(result);
   }
   private char sixbit2char(byte b)
   {
       char[] lookupTable = new char[64]{

'A','B','C','D','E','F','G','H','I','J','K','L','M',
'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
'a','b','c','d','e','f','g','h','i','j','k','l','m',
'n','o','p','q','r','s','t','u','v','w','x','y','z',
'0','1','2','3','4','5','6','7','8','9','+','/'};

       if ((b >= 0) && (b <= 63))
       {
           return lookupTable[(int)b];
       }
       else
       {

           return ' ';
       }
   }

}
///
/// Base64解码类
/// 将Base64编码的string类型转换成byte[]类型
///
public class Base64Decoder
{
char[] source;
int length, length2, length3;
int blockCount;
int paddingCount;
public static Base64Decoder Decoder = new Base64Decoder();

   public Base64Decoder()
   {
   }

   private void init(char[] input)
   {
       int temp = 0;
       source = input;
       length = input.Length;

       for (int x = 0; x < 2; x++)
       {
           if (input[length - x - 1] == '=')
               temp++;
       }
       paddingCount = temp;

       blockCount = length / 4;
       length2 = blockCount * 3;
   }

   public byte[] GetDecoded(string strInput)
   {
       //初始化
       init(strInput.ToCharArray());

       byte[] buffer = new byte[length];
       byte[] buffer2 = new byte[length2];

       for (int x = 0; x < length; x++)
       {
           buffer[x] = char2sixbit(source[x]);
       }

       byte b, b1, b2, b3;
       byte temp1, temp2, temp3, temp4;

       for (int x = 0; x < blockCount; x++)
       {
           temp1 = buffer[x * 4];
           temp2 = buffer[x * 4 + 1];
           temp3 = buffer[x * 4 + 2];
           temp4 = buffer[x * 4 + 3];

           b = (byte)(temp1 << 2);
           b1 = (byte)((temp2 & 48) >> 4);
           b1 += b;

           b = (byte)((temp2 & 15) << 4);
           b2 = (byte)((temp3 & 60) >> 2);
           b2 += b;

           b = (byte)((temp3 & 3) << 6);
           b3 = temp4;
           b3 += b;

           buffer2[x * 3] = b1;
           buffer2[x * 3 + 1] = b2;
           buffer2[x * 3 + 2] = b3;
       }

       length3 = length2 - paddingCount;
       byte[] result = new byte[length3];

       for (int x = 0; x < length3; x++)
       {
           result[x] = buffer2[x];
       }

       return result;
   }

   private byte char2sixbit(char c)
   {
       char[] lookupTable = new char[64]{ 

'A','B','C','D','E','F','G','H','I','J','K','L','M','N',
'O','P','Q','R','S','T','U','V','W','X','Y', 'Z',
'a','b','c','d','e','f','g','h','i','j','k','l','m','n',
'o','p','q','r','s','t','u','v','w','x','y','z',
'0','1','2','3','4','5','6','7','8','9','+','/'};
if (c == '=')
return 0;
else
{
for (int x = 0; x < 64; x++)
{
if (lookupTable[x] == c)
return (byte)x;
}

           return 0;
       }

   }

}
public class DaiBanAction
{
///
/// Read
///
public int read { get; set; }
///
/// Deal
///
public int deal { get; set; }
///
/// Delete
///
public int delete { get; set; }
}

public class DaiBanJson
{
///
/// Sourcetype
///
public string sourcetype { get; set; }
///
/// Sourceitemid
///
public string sourceitemid { get; set; }
///
/// Openids
///
public List openids { get; set; }
///
/// Actiontype
///
public DaiBanAction actiontype { get; set; }
}
}