[转载]新浪微博PC客户端（DotNet WinForm版）

namespace MBClient.API
{
internal class ReadDataBySinaAPI
{
internal ReadDataBySinaAPI() { }

/// <summary>
/// 根据用户登录信息登录并读取用户信息到DataSet
/// 如果用户新浪通行证身份验证成功且用户已经开通微博则返回 http状态为 200；
/// 如果是不则返回401的状态和错误信息。此方法用了判断用户身份是否合法且已经开通微博。
/// http://open.t.sina.com.cn/wiki/index.php/Account/verify_credentials
/// </summary>
/// <param name=”url”>API URL (XML Format)http://api.t.sina.com.cn/account/verify_credentials.xml?source=AppKey
/// </param>
/// <returns></returns>
internal static DataSet ReadXMLDataToDataSet(string url)
{
CredentialCache mycache = new CredentialCache();
mycache.Add(new Uri(url), “Basic“, new NetworkCredential(UserInfo.UserName, UserInfo.Password));
WebRequest myReq = WebRequest.Create(url);

myReq.Credentials = mycache;
myReq.Headers.Add(“Authorization“, “Basic “ + Convert.ToBase64String(new ASCIIEncoding().GetBytes(UserInfo.UserNamePassword)));

WebResponse wr = myReq.GetResponse();

DataSet ds = new DataSet();
using (Stream receiveStream = wr.GetResponseStream())
{
StreamReader reader = new StreamReader(receiveStream, Encoding.UTF8);
//string content = reader.ReadToEnd();
ds.ReadXml(reader);
reader.Close();
reader.Dispose();
}
wr.Close();
return ds;
}

internal static string ReadXMLDataToString(string url)
{
CredentialCache mycache = new CredentialCache();
mycache.Add(new Uri(url), “Basic“, new NetworkCredential(UserInfo.UserName, UserInfo.Password));
WebRequest myReq = WebRequest.Create(url);

myReq.Credentials = mycache;
myReq.Headers.Add(“Authorization“, “Basic “ + Convert.ToBase64String(new ASCIIEncoding().GetBytes(UserInfo.UserNamePassword)));

WebResponse wr = myReq.GetResponse();
string strData = null;
using (Stream receiveStream = wr.GetResponseStream())
{
StreamReader reader = new StreamReader(receiveStream, Encoding.UTF8);
strData = reader.ReadToEnd();
}
wr.Close();
return strData;
}

/// <summary>
/// 以JSON格式字符串返回用户所有关注用户最新n条微博信息。和用户“我的首页”返回内容相同。
/// http://open.t.sina.com.cn/wiki/index.php/Statuses/friends_timeline
/// </summary>
/// <param name=”url”>API URL (JSON Format) http://api.t.sina.com.cn/statuses/friends_timeline.json?source=AppKey
/// </param>
/// <returns></returns>
internal static string ReadJsonDataToString(string url)
{
CredentialCache mycache = new CredentialCache();
mycache.Add(new Uri(url), “Basic“, new NetworkCredential(UserInfo.UserName, UserInfo.Password));
WebRequest myReq = WebRequest.Create(url);

myReq.Credentials = mycache;
myReq.Headers.Add(“Authorization“, “Basic “ + Convert.ToBase64String(new ASCIIEncoding().GetBytes(UserInfo.UserNamePassword)));

WebResponse wr = myReq.GetResponse();
string content = null;
using (Stream receiveStream = wr.GetResponseStream())
{
StreamReader reader = new StreamReader(receiveStream, Encoding.UTF8);
content = reader.ReadToEnd();
reader.Close();
reader.Dispose();
}
wr.Close();
return content;
}

/// <summary>
/// 将JSON格式字符串反序列化为Status集合对象
/// </summary>
/// <param name=”url”>同ReadJsonDataToString()</param>
/// <returns></returns>
internal static List<Status> DeserializeJsonToListObject(string url)
{
List<Status> listObj;
using (MemoryStream stream = new MemoryStream())
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(List<Status>));
StreamWriter wr = new StreamWriter(stream);
string strJson = ReadJsonDataToString(url);
wr.Write(strJson);
wr.Flush();
stream.Position = 0;
Object obj = ser.ReadObject(stream);
listObj = (List<Status>)obj;
wr.Close();
wr.Dispose();
}

return listObj;
}

/// <summary>
/// 获取并输出图片
/// </summary>
/// <param name=”imgUrl”>图片URL地址</param>
/// <returns></returns>
internal static Image GetAvatarImage(string imgUrl)
{
//头像
Uri myUri = new Uri(imgUrl);
WebRequest webRequest = WebRequest.Create(myUri);
WebResponse webResponse = webRequest.GetResponse();
Bitmap myImage = new Bitmap(webResponse.GetResponseStream());

return (Image)myImage;
}

/// <summary>
/// 发表一条微博
/// </summary>
/// <param name=”url”>API地址
/// http://api.t.sina.com.cn/statuses/update.json
/// </param>
/// <param name=”data”>AppKey和微博内容
/// “source=123456&status=” + System.Web.HttpUtility.UrlEncode(微博内容);
/// </param>
/// <returns></returns>
internal static bool PostBlog(string url,string data)
{
try
{
System.Net.WebRequest webRequest = System.Net.WebRequest.Create(url);
System.Net.HttpWebRequest httpRequest = webRequest as System.Net.HttpWebRequest;

System.Net.CredentialCache myCache = new System.Net.CredentialCache();
myCache.Add(new Uri(url), “Basic“,
new System.Net.NetworkCredential(UserInfo.UserName, UserInfo.Password));
httpRequest.Credentials = myCache;
httpRequest.Headers.Add(“Authorization“, “Basic “ + Convert.ToBase64String(
new System.Text.ASCIIEncoding().GetBytes(UserInfo.UserName + “:“ +
UserInfo.Password)));

httpRequest.Method = “POST“;
httpRequest.ContentType = “application/x-www-form-urlencoded“;
System.Text.Encoding encoding = System.Text.Encoding.UTF8;//System.Text.Encoding.ASCII
byte[] bytesToPost = encoding.GetBytes(data);//System.Web.HttpUtility.UrlEncode(data)
httpRequest.ContentLength = bytesToPost.Length;
System.IO.Stream requestStream = httpRequest.GetRequestStream();
requestStream.Write(bytesToPost, 0, bytesToPost.Length);
requestStream.Close();
return true;
}
catch
{
return false;
}
}
}
}