/// <summary>
/// 生成bootstrap分页
/// </summary>
/// <param name="helper"></param>
/// <param name="page"></param>
/// <param name="pagecount"></param>
/// <param name="url"></param>
/// <returns></returns>
public static MvcHtmlString BootstrapPaging(this System.Web.Mvc.HtmlHelper helper,
int page, int pagecount, string url)
{
var html = PagerHelper.GetPagerHtml(page, pagecount, url);
return(MvcHtmlString.Create(html));
}