var clientUser = new System.Net.WebClient();
clientUser.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
string postUrlData = string.Format("url={0}&&alias=&access_type=web",url);
var rs = clientUser.UploadString("http://dwz.cn/create.php", "POST", postUrlData);
JavaScriptSerializer jss = new JavaScriptSerializer();
entry userJson = jss.Deserialize<entry>(rs);
var tin = userJson.tinyurl;
public class entry
{
public string tinyurl { get; set; }
public string status { get; set; }
public string longurl { get; set; }
public string err_msg { get; set; }
}