public static class ReadabilityProxy
{
    public static Article Parse(string url, string token) //token就是各位的appkey
    {
        WebClient wc = new WebClient();
        wc.Encoding = Encoding.UTF8;
        var encUrl = HttpUtility.UrlEncode(url);
        Uri u = new Uri(string.Format("https://readability.com/api/content/v1/parser?url={0}&token={1}", encUrl, token));
        var json = wc.DownloadString(u);
        JavaScriptSerializer se = new JavaScriptSerializer();
        return se.Deserialize(json, typeof(Article)) as Article;
    }
}

public class Article
{
    public string Domain;
    public string Next_Page_Id;
    public string Url;
    public string Content;
    public string Short_Url;
    public string Excerpt;
    public string Direction;
    public int Word_Count;
    public int Total_Pages;
    public string Date_Published;
    public string Dek;
    public string Lead_Image_Url;
    public string Title;
    public int Rendered_Pages;

    public virtual void Decode()
    {
        this.Excerpt = HttpUtility.HtmlDecode(this.Excerpt);
        this.Content = HttpUtility.HtmlDecode(this.Content);
    }
}

class Program
{
    static void Main(string[] args)
    {
        var article = ReadabilityProxy.Parse("http://www.mot.gov.cn/st2010/shanghai/sh_zhaobiaoxx/201203/t20120330_1219097.html", "***此处省略n个字***"); 
        article.Decode();
        Console.WriteLine(article.Title);
        Console.WriteLine(article.Excerpt);
        Console.WriteLine(article.Content);
        Console.ReadLine();
    }
}