基於Asp.net的ajax 跨域訪問代理函數

 

/// <summary>
    /// 擷取URL對應的頁面
    /// </summary>
    /// <remarks>greenerycn 2008-2-21</remarks>
    /// <param name="url">網址</param>
    /// <returns>擷取的頁面字串</returns>
    public string GetHtmlPage(string url)
    {
        string result = string.Empty;
        try
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
            result = reader.ReadToEnd();
        }
        catch (Exception ex)
        {
            return "";
        }
        return result;
    }

 

Page_load代碼

 

protected void Page_Load(object sender, EventArgs e)
    {
        Response.Write(GetHtmlPage("http://rss.sina.com.cn/news/china/focus15.xml"));
    }