JSONPPage

 

public class JSONPPage : System.Web.UI.Page
{
    protected override void OnPreRender(EventArgs e)
    {
        var sb = new StringBuilder();

        var writer = new HtmlTextWriter(new StringWriter(sb));

        Page.RenderControl(writer);

        var data = new JavaScriptSerializer().Serialize(sb.ToString());

        // ---- 解决不同网站不同编码造成中文乱码的问题 ，如不需要可注释掉提交效率 --------
        var tempSB = new StringBuilder();
        var pf = "\\u";
        foreach (char s in data)
        {
            if (s > 128)
                tempSB.Append(pf + ((int)s).ToString("x"));
            else
                tempSB.Append(s);
        }
        data = tempSB.ToString();
        // ------------------------------------------------------------------

        writer.Close();

        Response.Write(String.Format("{0}({1});", Request["callback"] ?? Request["jsonp"], data));

        Response.End();
    }
}