新浪微博登录接口实例
提交的方法：
public void getRequestToken()
{
OAuthBase oAuth = new OAuthBase();//需要引用DLL
string apiKey = "";//申请的App Key
string apiKeySecret = "";//申请的App Secret
string appReturnUrl = "";//返回的url
string requestTokenUri = "http://api.t.sina.com.cn/oauth/request_token";
string AUTHORIZE = "http://api.t.sina.com.cn/oauth/authorize";
string ACCESS_TOKEN = "http://api.t.sina.com.cn/oauth/access_token";
Uri uri = new Uri(requestTokenUri);
string nonce = oAuth.GenerateNonce();//获取随机生成的字符串，防止攻击
string timeStamp = oAuth.GenerateTimeStamp();//发起请求的时间戳
string normalizeUrl, normalizedRequestParameters;
// 签名
string sig = oAuth.GenerateSignature(uri, apiKey, apiKeySecret, string.Empty, string.Empty, "GET", timeStamp, nonce, string.Empty, out normalizeUrl, out normalizedRequestParameters);
sig = HttpUtility.UrlEncode(sig);
//构造请求Request Token的url
StringBuilder sb = new StringBuilder(uri.ToString());
sb.AppendFormat("?oauth_consumer_key={0}&", apiKey);
sb.AppendFormat("oauth_nonce={0}&", nonce);
sb.AppendFormat("oauth_signature={0}&", sig);
sb.AppendFormat("oauth_signature_method={0}&", "HMAC-SHA1");
sb.AppendFormat("oauth_timestamp={0}&", timeStamp);
sb.AppendFormat("oauth_version={0}", "1.0");
//请求Request Token
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(sb.ToString());
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
StreamReader stream = new StreamReader(response.GetResponseStream(), System.Text.Encoding.UTF8);
string responseBody = stream.ReadToEnd();
stream.Close();
response.Close();
int intOTS = responseBody.IndexOf("oauth_token=");
int intOTSS = responseBody.IndexOf("&oauth_token_secret=");
Session["oauth_token"] = responseBody.Substring(intOTS + 12, intOTSS - (intOTS + 12));
Session["oauth_token_secret"] = responseBody.Substring((intOTSS + 20), responseBody.Length - (intOTSS + 20));
Response.Redirect(AUTHORIZE + "?oauth_token=" + Session["oauth_token"] + "&oauth_callback=" + appReturnUrl);
}
返回页面方法：
OAuthBase oAuth = new OAuthBase();
string apiKey = "";//申请的App Key
string apiKeySecret = "";//申请的App Secret
string requestTokenUri = "http://api.t.sina.com.cn/oauth/request_token";
string AUTHORIZE = "http://api.t.sina.com.cn/oauth/authorize";
string ACCESS_TOKEN = "http://api.t.sina.com.cn/oauth/access_token";
protected string imagesUrl = "http://tp2.sinaimg.cn/1134706865/50/0/1";
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (!string.IsNullOrEmpty(Request["oauth_verifier"]))
{
getAccessToken(Request["oauth_token"].ToString(), Request["oauth_verifier"].ToString());
}
}
}
public void getAccessToken(string requestToken, string oauth_verifier)
{
Uri uri = new Uri(ACCESS_TOKEN);
string nonce = oAuth.GenerateNonce();
string timeStamp = oAuth.GenerateTimeStamp();
string normalizeUrl, normalizedRequestParameters;
// 签名
string sig = oAuth.GenerateSignature(
uri,
apiKey,
apiKeySecret,
requestToken,
Session["oauth_token_secret"].ToString(),
"Get",
timeStamp,
nonce,
oauth_verifier,
out normalizeUrl,
out normalizedRequestParameters);
sig = oAuth.UrlEncode(sig);
//构造请求Access Token的url
StringBuilder sb = new StringBuilder(uri.ToString());
sb.AppendFormat("?oauth_consumer_key={0}&", apiKey);
sb.AppendFormat("oauth_nonce={0}&", nonce);
sb.AppendFormat("oauth_timestamp={0}&", timeStamp);
sb.AppendFormat("oauth_signature_method={0}&", "HMAC-SHA1");
sb.AppendFormat("oauth_version={0}&", "1.0");
sb.AppendFormat("oauth_signature={0}&", sig);
sb.AppendFormat("oauth_token={0}&", requestToken);
sb.AppendFormat("oauth_verifier={0}", oauth_verifier);
//请求Access Token
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(sb.ToString());
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
StreamReader stream = new StreamReader(response.GetResponseStream(), System.Text.Encoding.UTF8);
string responseBody = stream.ReadToEnd();
stream.Close();
response.Close();
int intOTS = responseBody.IndexOf("oauth_token=");
int intOTSS = responseBody.IndexOf("&oauth_token_secret=");
int intUser = responseBody.IndexOf("&user_id=");
Session["oauth_token"] = responseBody.Substring(intOTS + 12, intOTSS - (intOTS + 12));
Session["oauth_token_secret"] = responseBody.Substring((intOTSS + 20), intUser - (intOTSS + 20));
Session["User_Id"] = responseBody.Substring((intUser + 9), responseBody.Length - (intUser + 9));
verify_credentials();
}
public void verify_credentials()
{
Uri uri = new Uri("http://api.t.sina.com.cn/account/verify_credentials.xml");
string nonce = oAuth.GenerateNonce();
string timeStamp = oAuth.GenerateTimeStamp();
string normalizeUrl, normalizedRequestParameters;
// 签名
string sig = oAuth.GenerateSignature(
uri,
apiKey,
apiKeySecret,
Session["oauth_token"].ToString(),
Session["oauth_token_secret"].ToString(),
"Get",
timeStamp,
nonce,
string.Empty,
out normalizeUrl,
out normalizedRequestParameters);
sig = HttpUtility.UrlEncode(sig);
StringBuilder sb = new StringBuilder(uri.ToString());
sb.AppendFormat("?oauth_consumer_key={0}&", apiKey);
sb.AppendFormat("oauth_nonce={0}&", nonce);
sb.AppendFormat("oauth_timestamp={0}&", timeStamp);
sb.AppendFormat("oauth_signature_method={0}&", "HMAC-SHA1");
sb.AppendFormat("oauth_version={0}&", "1.0");
sb.AppendFormat("oauth_signature={0}&", sig);
sb.AppendFormat("oauth_token={0}&", Session["oauth_token"].ToString());
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(sb.ToString());
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
StreamReader stream = new StreamReader(response.GetResponseStream(), System.Text.Encoding.UTF8);
string responseBody = stream.ReadToEnd();
stream.Close();
response.Close();
ShowInfo(responseBody);
}
private void ShowInfo(string body)//显示信息
{
XmlDocument xml = new XmlDocument();
xml.LoadXml(body);
XmlNode XNSpec = xml.SelectSingleNode("user");
XmlNodeList XLlist = XNSpec.ChildNodes;
string name = "";
foreach (XmlNode xnnode in XLlist)
{
if (xnnode.Name == "id")
{
sinaId = xnnode.InnerText;
}
if (xnnode.Name == "name")
{
name = xnnode.InnerText;
}
if (xnnode.Name == "profile_image_url")
{
imagesUrl = xnnode.InnerText;
}
if (xnnode.Name == "gender")
{
switch (xnnode.InnerText)
{
case "m":
sex = "1";
break;
case "f":
sex = "2";
break;
}
}
}
hlblUserId.Value = sinaId;
lblUserNiName.Text = name;
hlblSex.Value = sex;
}
DLL下载地址：
