using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;
??
using?DotNetSample.Models;
using?System.Web.script.Serialization;
??
namespace?DotNetSample.Utils
{
????public?class?ShortUrlHelper
????{
????????///?

????????///?獲取新浪短域名
????????///?

????????///?原始地址
????????///?
????????public?static?ShortUrl?SinaShortUrl（string?url）
????????{
????????????string?builder?=?HtmlEncode.GetUrlHtml（“http://api.t.sina.com.cn/short_url/shorten.json?source=1681459862&url_long=“?+?System.Web.HttpContext