微博客户端登陆

界面：

<Window x:Class="WpfApp1.weibo"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp1"
        mc:Ignorable="d"
        Title="weibo" Height="450" Width="800">
    <Grid Height="Auto">
        <WebBrowser x:Name="MicroBlogWebBrowser" ScrollViewer.VerticalScrollBarVisibility ="Disabled"  UseLayoutRounding="False" Grid.ColumnSpan="3" Navigating="MicroBlogWebBrowser_Navigating" LoadCompleted="MicroBlogWebBrowser_LoadCompleted" Loaded="MicroBlogWebBrowser_Loaded" Navigated="MicroBlogWebBrowser_Navigated"/>
    </Grid>
</Window>

后台：

namespace WpfApp1
{
    /// <summary>
    /// weibo.xaml 的交互逻辑
    /// </summary>
    public partial class weibo : Window
    {
        public weibo()
        {
            InitializeComponent();
            MicroBlogWebBrowser.Navigate(new Uri("xxx"));
        }
         
        #region 属性
        public string appid = "xx";
        public string appsecret = "xxx";
        public string redirecturl = "xxx";
         
        #endregion

        /// <summary>
        /// 获取token
        /// </summary>
        /// <param name="code"></param>
        /// <returns></returns>
        protected WeiboAccessToken Get_token(string code)
        {
            var bodyData = new
            {
                client_id = appid,
                client_secret = appsecret,
                grant_type = "authorization_code",
                redirect_uri = redirecturl,
                code = code
            };
            string strAccessToken = PostData.HttpPost($"https://api.weibo.com/oauth2/access_token?client_id={appid}&client_secret={appsecret}&grant_type=authorization_code&redirect_uri={redirecturl}&code={code}", JsonConvert.SerializeObject(bodyData));
            if (string.IsNullOrEmpty(strAccessToken))
            {
                return null;
            }

            WeiboAccessToken oauthToken = JSONHelper.ParseFromJson<WeiboAccessToken>(strAccessToken);
            return oauthToken;
        }
         
        private List<string> urlList = new List<string>();
        private void MicroBlogWebBrowser_Navigating(object sender, System.Windows.Navigation.NavigatingCancelEventArgs e)
        {
            SetWebBrowserSilent(sender as WebBrowser, true);
            string url = e.Uri.ToString();
            urlList.Add(url);
            string code = "";
            if (url.Contains("?code"))
            {
                int iStart = url.IndexOf("=");
                int iEnd = url.Length;
                if (iStart < iEnd)
                {
                    int codeLength = iEnd - iStart - 1;
                    code = url.Substring(iStart + 1, codeLength);
                }
            }

            if (string.IsNullOrEmpty(code))
                return;
            // Post获取Accesstoken 类
            WeiboAccessToken accessToken = Get_token(code);
            if (accessToken == null)
            {
                return;
            }

            // 获取微博用户信息
            WeiboUser weiUser = Get_WeiboUserInfo(accessToken.access_token, accessToken.uid);
           
            //不提示脚本错误
            SetWebBrowserSilent(sender as WebBrowser, true);

        }
         
        private void MicroBlogWebBrowser_LoadCompleted(object sender, System.Windows.Navigation.NavigationEventArgs e)
        {
            mshtml.HTMLDocument dom = (mshtml.HTMLDocument)MicroBlogWebBrowser.Document; //定义HTML
            dom.documentElement.style.overflow = "hidden";    //隐藏浏览器的滚动条
            dom.body.setAttribute("scroll", "no");            //禁用浏览器的滚动条
            SetWebBrowserSilent(sender as WebBrowser, true);
        }

        /// <summary>
        /// 调用Access_token获取用户信息
        /// </summary>
        /// <param name="Access_token"></param>
        /// <param name="uid"></param>
        /// <returns></returns>
        protected WeiboUser Get_WeiboUserInfo(string Access_token, string uid)
        {
            string str = PostData.HttpGet("https://api.weibo.com/2/users/show.json?access_token=" + Access_token + "&uid=" + uid);
            WeiboUser weiUser = JSONHelper.ParseFromJson<WeiboUser>(str);
            return weiUser;
        }

        /// <summary>
        /// 获取Authorization Code, 
        /// </summary>
        /// <returns></returns>
        protected string Get_AuthorizationCode()
        {
            //获取weibo跳转含有code的网址
            string tempCode = "";
            foreach (string url in urlList)
            {
                if (url.Contains("?code"))
                {
                    tempCode = url;
                    break;
                }
            }
            if (string.IsNullOrEmpty(tempCode))
                return null;
            //qq最终获得的code
            string code = "";
            int iStart = tempCode.IndexOf("=");
            int iEnd = tempCode.Length;
            if (iStart < iEnd)
            {
                int codeLength = iEnd - iStart - 1;
                code = tempCode.Substring(iStart + 1, codeLength);
            }
            return code;
        }

        private void MicroBlogWebBrowser_Loaded(object sender, RoutedEventArgs e)
        {

        }

        private void MicroBlogWebBrowser_Navigated(object sender, System.Windows.Navigation.NavigationEventArgs e)
        {
        }

        /// <summary>
        /// 设置浏览器静默，不弹错误提示框
        /// </summary>
        /// <param name="webBrowser">要设置的WebBrowser控件浏览器</param>
        /// <param name="silent">是否静默</param>
        private void SetWebBrowserSilent(WebBrowser webBrowser, bool silent)
        {
            FieldInfo fi = typeof(WebBrowser).GetField("_axIWebBrowser2", BindingFlags.Instance | BindingFlags.NonPublic);
            if (fi != null)
            {
                object browser = fi.GetValue(webBrowser);
                if (browser != null)
                    browser.GetType().InvokeMember("Silent", BindingFlags.SetProperty, null, browser, new object[] { silent });
            }
        }

        /// <summary>
        /// TitleBar_MouseDown - Drag if single-click, resize if double-click
        /// </summary>
        private void TitleBar_MouseDown(object sender, MouseButtonEventArgs e)
        {
            if (e.ChangedButton == MouseButton.Left)
                if (e.ClickCount == 2)
                {
                    //AdjustWindowSize();
                }
                else
                {
                    this.DragMove();
                }
        }

        private void CloseButton_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }
    }

    /// <summary>
    /// 微博AccessToken类
    /// </summary>
    public class WeiboAccessToken
    {
        public string access_token { get; set; }
        public string remind_in { get; set; }
        public int expires_in { get; set; }
        public string uid { get; set; }
        public string isRealName { get; set; }
    }
    /// <summary>
    /// 微博用户信息类
    /// </summary>
    public class WeiboUser
    {
        public Int64 id { get; set; }
        public string idstr { get; set; }
        public string screen_name { get; set; }
        public string name { get; set; }
        public string province { get; set; }
        public string city { get; set; }
        public string location { get; set; }
        public string description { get; set; }
        public string url { get; set; }
        public string profile_image_url { get; set; }
        public string profile_url { get; set; }
        public string gender { get; set; }
    }
}