/// <summary>
/// 生成ajax的分页
/// </summary>
/// <param name="recordCount"></param>
/// <param name="pageIndex"></param>
/// <param name="PageSize"></param>
/// <param name="settings"></param>
/// <returns></returns>
public static MvcHtmlString AjaxPager(int recordCount, int pageIndex, int PageSize, PagerSettings settings)
{
PagerBuilder pb = new PagerBuilder();
settings.HideGoToButton = true;
settings.HtmlRequestContext = null;
return pb.Build(recordCount, pageIndex, PageSize, settings, (context, reques, pageindex) => "javascript:page(" + pageindex + ");");
}
/// <summary>
/// 生成分页代码
/// </summary>
/// <param name="helper"></param>
/// <param name="recordCount"></param>
/// <param name="PageSize"></param>
/// <param name="settings"></param>
/// <returns></returns>
public static MvcHtmlString Pager(this HtmlHelper helper, int recordCount, int PageSize, PagerSettings settings)
{
return Pager(helper, recordCount, -1, PageSize, settings);
}
/// <summary>
/// 生成分页代码
/// </summary>
/// <param name="helper"></param>
/// <param name="recordCount">总页数</param>
/// <param name="pageIndex">当前页</param>
/// <param name="PageSize">页大小</param>
/// <param name="settings">设置项</param>
/// <returns></returns>
public static MvcHtmlString Pager(this HtmlHelper helper, int recordCount, int pageIndex, int PageSize, PagerSettings settings)
{
PagerBuilder pb = new PagerBuilder();
settings.HtmlRequestContext = helper.ViewContext.RequestContext;
return pb.Build(recordCount, pageIndex, PageSize, settings);
}
/// <summary>
/// 生成
/// </summary>
/// <param name="recordCount">记录总数</param>
/// <param name="pageIndex">页索引</param>
/// <param name="pageSize">页大小</param>
/// <param name="settings">生成设置</param>
/// <param name="urlCallback">生成设置</param>
/// <returns></returns>
public MvcHtmlString Build(int recordCount, int pageIndex, int pageSize, PagerSettings settings, Func<RequestContext, string, object, string> urlCallback =null )
{
settings.RecordCount = recordCount;
settings.PageSize = pageSize;
if (recordCount <= 0) return MvcHtmlString.Create("");
int pageCount = (recordCount + pageSize - 1) / pageSize;
if (pageCount <= 1 && !settings.ShowWherOnlyOnePages) return MvcHtmlString.Create("");
if (pageIndex <= 0)
{
string pageindexStr =settings.HtmlRequestContext ==null ? "1" : settings.HtmlRequestContext.HttpContext.Request[settings.PageParameterName];
Int32.TryParse(pageindexStr, out pageIndex);
}
if (pageIndex <= 0) pageIndex = 1;
settings.CurrentPageIndex = pageIndex;
settings.PageCount = pageCount;
ProcPager.PagerSetting = settings;
PagerHtmlGenerate.PagerSetting = settings;
PagerHtmlGenerate.UrlCallback = urlCallback ?? Util.GetUrl;
IList<PageButton> pageBtnList = new List<PageButton>();
if (pageCount <= 1) pageBtnList = ProcPager.GetBtnLessThanOnePage();
else if (pageIndex == 1) pageBtnList = ProcPager.GetBtnWhenFrist();
else if (pageIndex == pageCount) pageBtnList = ProcPager.GetBtnWhenLast();
else pageBtnList = ProcPager.GetBtnWhenDefault();
return PagerHtmlGenerate.Generate(pageBtnList);
}