/// <summary>
/// 生成分页统计结果
/// </summary>
/// <param name="htmlHelper">被扩展的HtmlHelper实例</param>
/// <param name="pagingDataSet">分页集合</param>
/// <returns></returns>
public static MvcHtmlString PagingResults(this HtmlHelper htmlHelper, IPagingDataSet pagingDataSet)
{
TagBuilder builder = new TagBuilder("span");
builder.AddCssClass("tn-page-results tn-text-note");
long startCount = (pagingDataSet.PageIndex - 1) * pagingDataSet.PageSize + 1;
long endCount = pagingDataSet.PageIndex * pagingDataSet.PageSize;
if (endCount > pagingDataSet.TotalRecords)
endCount = pagingDataSet.TotalRecords;
builder.SetInnerText(string.Format("{0}-{1} 共{2}", startCount, endCount, pagingDataSet.TotalRecords));
return MvcHtmlString.Create(builder.ToString());
}
/// <summary>
/// 生成分页统计结果
/// </summary>
/// <param name="htmlHelper">被扩展的HtmlHelper实例</param>
/// <param name="pagingDataSet">分页集合</param>
/// <returns></returns>
public static MvcHtmlString PagingResults(this HtmlHelper htmlHelper, IPagingDataSet pagingDataSet)
{
TagBuilder builder = new TagBuilder("span");
builder.AddCssClass("tn-page-results tn-text-note");
long startCount = (pagingDataSet.PageIndex - 1) * pagingDataSet.PageSize + 1;
long endCount = pagingDataSet.PageIndex * pagingDataSet.PageSize;
if (endCount > pagingDataSet.TotalRecords)
{
endCount = pagingDataSet.TotalRecords;
}
builder.SetInnerText(string.Format("{0}-{1} 共{2}", startCount, endCount, pagingDataSet.TotalRecords));
return(MvcHtmlString.Create(builder.ToString()));
}
/// <summary>
/// 呈现分页统计
/// </summary>
/// <param name="html">被扩展的HtmlHelper</param>
/// <param name="pagingDataSet">分页组件</param>
/// <returns></returns>
public static IHtmlContent PagingResults(this IHtmlHelper html, IPagingDataSet pagingDataSet)
{
TagBuilder builder = new TagBuilder("div");
builder.AddCssClass("info_box");
long startCount = (pagingDataSet.PageIndex - 1) * pagingDataSet.PageSize + 1;
builder.InnerHtml.AppendFormat("<span>{0}</span>-", startCount);
long endCount = pagingDataSet.PageIndex * pagingDataSet.PageSize;
if (endCount > pagingDataSet.TotalRecords)
{
endCount = pagingDataSet.TotalRecords;
}
builder.InnerHtml.AppendFormat("<span>{0}</span> 共 ", endCount);
builder.InnerHtml.AppendFormat("<span>{0}</span> 条", pagingDataSet.TotalRecords);
var writer = new StringWriter();
builder.WriteTo(writer, HtmlEncoder.Default);
return(new HtmlString(writer.ToString()));
}
/// <summary>
/// 呈现分页按钮
/// </summary>
/// <param name="html">被扩展的HtmlHelper</param>
/// <param name="pagingDataSet">数据集</param>
/// <param name="updateTargetId">异步分页时，被更新的目标元素Id</param>
/// <param name="paginationMode">分页按钮显示模式</param>
/// <param name="numericPagingButtonCount">数字分页按钮显示个数</param>
/// <param name="enableAjax">是否使用ajax分页</param>
/// <returns>分页按钮html代码</returns>
private static IHtmlContent PagingButton(this IHtmlHelper html, IPagingDataSet pagingDataSet, bool enableAjax, string updateTargetId, PagingMode pagingMode = PagingMode.NumericNextPrevious, int numericPagingButtonCount = 7, string ajaxUrl = null)
{
if (pagingDataSet.TotalRecords == 0 || pagingDataSet.PageSize == 0)
{
return(HtmlString.Empty);
}
//计算总页数
int totalPages = (int)(pagingDataSet.TotalRecords / (long)pagingDataSet.PageSize);
if ((pagingDataSet.TotalRecords % pagingDataSet.PageSize) > 0)
{
totalPages++;
}
//未超过一页时不显示分页按钮
if (totalPages <= 1)
{
return(HtmlString.Empty);
}
bool showFirst = false;
if (pagingMode == PagingMode.NextPreviousFirstLast)
{
showFirst = true;
}
bool showLast = false;
if (pagingMode == PagingMode.NextPreviousFirstLast)
{
showLast = true;
}
bool showPrevious = true;
bool showNext = true;
bool showNumeric = false;
if (pagingMode == PagingMode.NumericNextPrevious)
{
showNumeric = true;
}
//显示多少个数字分页按钮
//int numericPageButtonCount = 10;
//对pageIndex进行修正
if ((pagingDataSet.PageIndex < 1) || (pagingDataSet.PageIndex > totalPages))
{
pagingDataSet.PageIndex = 1;
}
//string pagingContainer = "<div class=\"tn-pagination-btn\"";
string pagingContainer = "<ul class=\"pagination\"";
if (enableAjax)
{
pagingContainer += " plugin=\"ajaxPagingButton\" data=\"" + WebUtility.HtmlEncode(JsonConvert.SerializeObject(new { updateTargetId = updateTargetId })) + "\"";
}
pagingContainer += ">";
StringBuilder pagingButtonsHtml = new StringBuilder(pagingContainer);
//构建 "首页"
if (showFirst)
{
if ((pagingDataSet.PageIndex > 1) && (totalPages > numericPagingButtonCount))
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.AppendFormat("<li>{0}</li>", BuildLink("<<", GetPagingNavigateUrl(html, 1, ajaxUrl), "Previous"));
}
else if (pagingMode == PagingMode.NextPreviousFirstLast)
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.AppendFormat("<li class=\"disabled\"><a href=\"###\" aria-label=\"Previous\"><span aria-hidden=\"true\">{0}</span></a></li>", "<<");
}
}
//构建 "上一页"
if (showPrevious)
{
pagingButtonsHtml.AppendLine();
if (pagingDataSet.PageIndex == 1)
{
pagingButtonsHtml.AppendFormat("<li class=\"disabled\"><a href=\"###\" aria-label=\"Previous\"><span aria-hidden=\"true\">{0}</span></a></li>", "«");
}
else
{
pagingButtonsHtml.AppendFormat("<li>{0}</li>", BuildLink("«", GetPagingNavigateUrl(html, pagingDataSet.PageIndex - 1, ajaxUrl), "Previous"));
}
}
//构建 数字分页部分
if (showNumeric)
{
int startNumericPageIndex;
if (numericPagingButtonCount > totalPages || pagingDataSet.PageIndex - (numericPagingButtonCount / 2) <= 0)
{
startNumericPageIndex = 1;
}
else if (pagingDataSet.PageIndex + (numericPagingButtonCount / 2) > totalPages)
{
startNumericPageIndex = totalPages - numericPagingButtonCount + 1;
}
else
{
startNumericPageIndex = pagingDataSet.PageIndex - (numericPagingButtonCount / 2);
}
if (startNumericPageIndex < 1)
{
startNumericPageIndex = 1;
}
int lastNumericPageIndex = startNumericPageIndex + numericPagingButtonCount - 1;
if (lastNumericPageIndex > totalPages)
{
lastNumericPageIndex = totalPages;
}
if (startNumericPageIndex > 1)
{
for (int i = 1; i < startNumericPageIndex; i++)
{
pagingButtonsHtml.AppendLine();
if (i > 3)
{
break;
}
if (i == 3)
{
pagingButtonsHtml.Append("<li><span class=\"\">...</span></li>");
}
else
{
if (pagingDataSet.PageIndex == i)
{
pagingButtonsHtml.AppendFormat("<li class=\"active\"><a href=\"###\">{0}<span class=\"sr-only\">(current)</span></a></li>", i);
}
else
{
pagingButtonsHtml.AppendFormat("<li>{0}</li>", BuildLink(i.ToString(), GetPagingNavigateUrl(html, i, ajaxUrl), "Next"));
}
}
}
}
for (int i = startNumericPageIndex; i <= lastNumericPageIndex; i++)
{
pagingButtonsHtml.AppendLine();
if (pagingDataSet.PageIndex == i)
{
pagingButtonsHtml.AppendFormat("<li class=\"active\"><a href=\"###\">{0}<span class=\"sr-only\">(current)</span></a></li>", i);
}
else
{
string navigateUrl = GetPagingNavigateUrl(html, i, ajaxUrl);
string buildLink = BuildLink(i.ToString(), navigateUrl, "Next");
pagingButtonsHtml.AppendFormat("<li>{0}</li>", buildLink);
}
}
if (lastNumericPageIndex < totalPages)
{
int lastStart = lastNumericPageIndex + 1;
if (totalPages - lastStart > 2)
{
lastStart = totalPages - 2;
}
for (int i = lastStart; i <= totalPages; i++)
{
pagingButtonsHtml.AppendLine();
if ((i == lastStart) && (totalPages - lastNumericPageIndex > 3))
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.Append("<li><span class=\"\">...</span></li>");
continue;
}
if (pagingDataSet.PageIndex == i)
{
pagingButtonsHtml.AppendFormat("<li class=\"active\"><a href=\"###\">{0}<span class=\"sr-only\">(current)</span></a></li>", i);
}
else
{
pagingButtonsHtml.AppendFormat("<li>{0}</li>", BuildLink(i.ToString(), GetPagingNavigateUrl(html, i, ajaxUrl), "Next"));
}
}
}
}
if (showNext)
{
pagingButtonsHtml.AppendLine();
if (pagingDataSet.PageIndex == totalPages)
{
pagingButtonsHtml.AppendFormat("<li class=\"disabled\"><a href=\"###\" aria-label=\"Previous\"><span aria-hidden=\"true\">{0}</span></a></li>", "»");
}
else
{
pagingButtonsHtml.AppendFormat("<li>{0}</li>", BuildLink("»", GetPagingNavigateUrl(html, pagingDataSet.PageIndex + 1, ajaxUrl), "Next"));
}
}
if (showLast)
{
if ((pagingDataSet.PageIndex < totalPages) && (totalPages > numericPagingButtonCount))
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.AppendFormat("<li>{0}</li>", BuildLink(">>", GetPagingNavigateUrl(html, totalPages, ajaxUrl), "Next"));
}
else if (pagingMode == PagingMode.NextPreviousFirstLast)
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.AppendFormat("<li class=\"disabled\"><a href=\"###\" aria-label=\"Previous\"><span aria-hidden=\"true\">{0}</span></a></li>", ">>");
}
}
pagingButtonsHtml.Append("</ul>");
return(new HtmlString(pagingButtonsHtml.ToString()));
}
/// <summary>
/// 呈现普通分页按钮
/// </summary>
/// <param name="paginationMode">分页按钮显示模式</param>
/// <param name="html">被扩展的HtmlHelper</param>
/// <param name="pagingDataSet">数据集</param>
/// <param name="numericPagingButtonCount">数字分页按钮显示个数</param>
/// <returns>分页按钮html代码</returns>
public static IHtmlContent PagingButton(this IHtmlHelper html, IPagingDataSet pagingDataSet, PagingMode pagingMode = PagingMode.NumericNextPrevious, int numericPagingButtonCount = 7)
{
return(PagingButton(html, pagingDataSet, false, null, pagingMode, numericPagingButtonCount));
}
/// <summary>
/// 呈现异步分页按钮
/// </summary>
/// <param name="paginationMode">分页按钮显示模式</param>
/// <param name="html">被扩展的HtmlHelper</param>
/// <param name="pagingDataSet">数据集</param>
/// <param name="updateTargetId">异步分页时，被更新的目标元素Id</param>
/// <param name="numericPagingButtonCount">数字分页按钮显示个数</param>
/// <returns>分页按钮html代码</returns>
public static MvcHtmlString AjaxPagingButton(this HtmlHelper html, IPagingDataSet pagingDataSet, string updateTargetId, PaginationMode paginationMode = PaginationMode.NumericNextPrevious, int numericPagingButtonCount = 7, string ajaxUrl = null)
{
return PagingButton(html, pagingDataSet, true, updateTargetId, paginationMode, numericPagingButtonCount, ajaxUrl);
}
/// <summary>
/// 呈现分页按钮
/// </summary>
/// <param name="html">被扩展的HtmlHelper</param>
/// <param name="pagingDataSet">数据集</param>
/// <param name="updateTargetId">异步分页时，被更新的目标元素Id</param>
/// <param name="paginationMode">分页按钮显示模式</param>
/// <param name="numericPagingButtonCount">数字分页按钮显示个数</param>
/// <param name="enableAjax">是否使用ajax分页</param>
/// <returns>分页按钮html代码</returns>
private static MvcHtmlString PagingButton(this HtmlHelper html, IPagingDataSet pagingDataSet, bool enableAjax, string updateTargetId, PaginationMode paginationMode = PaginationMode.NumericNextPrevious, int numericPagingButtonCount = 7, string ajaxUrl = null)
{
if (pagingDataSet.TotalRecords == 0 || pagingDataSet.PageSize == 0)
return MvcHtmlString.Empty;
//计算总页数
int totalPages = (int)(pagingDataSet.TotalRecords / (long)pagingDataSet.PageSize);
if ((pagingDataSet.TotalRecords % pagingDataSet.PageSize) > 0)
totalPages++;
//未超过一页时不显示分页按钮
if (totalPages <= 1)
return MvcHtmlString.Empty;
bool showFirst = false;
if (paginationMode == PaginationMode.NextPreviousFirstLast)
showFirst = true;
bool showLast = false;
if (paginationMode == PaginationMode.NextPreviousFirstLast)
showLast = true;
bool showPrevious = true;
//if (paginationMode == PaginationMode.NextPrevious || paginationMode == PaginationMode.NextPreviousFirstLast || paginationMode == PaginationMode.NumericNextPrevious)
// showPrevious = true;
bool showNext = true;
//if (paginationMode == PaginationMode.NextPrevious || paginationMode == PaginationMode.NextPreviousFirstLast || paginationMode == PaginationMode.NumericNextPrevious)
// showNext = true;
bool showNumeric = false;
if (paginationMode == PaginationMode.NumericNextPrevious)
showNumeric = true;
//显示多少个数字分页按钮
//int numericPageButtonCount = 10;
//对pageIndex进行修正
if ((pagingDataSet.PageIndex < 1) || (pagingDataSet.PageIndex > totalPages))
pagingDataSet.PageIndex = 1;
string pagingContainer = "<div class=\"tn-pagination-btn\"";
if (enableAjax)
pagingContainer += " plugin=\"ajaxPagingButton\" data=\"" + HttpUtility.HtmlEncode(Json.Encode(new { updateTargetId = updateTargetId })) + "\"";
pagingContainer += ">";
StringBuilder pagingButtonsHtml = new StringBuilder(pagingContainer);
//构建 "首页"
if (showFirst)
{
if ((pagingDataSet.PageIndex > 1) && (totalPages > numericPagingButtonCount))
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.AppendFormat(BuildLink("<<", GetPagingNavigateUrl(html, 1, ajaxUrl), "tn-page-first tn-page-thumb"));
}
else if (paginationMode == PaginationMode.NextPreviousFirstLast)
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.AppendFormat("<span class=\"tn-page-first tn-page-thumb\">{0}</span>", "<<");
}
}
//回复：和苏工沟通了下，可能会调整标签结构及class名。但隔离开挺麻烦，暂时保留这个问题
//mazq回复：是否可以把html代码放入view，另外如果允许用户选择每页记录数如何处理？
//构建 "上一页"
if (showPrevious)
{
pagingButtonsHtml.AppendLine();
if (pagingDataSet.PageIndex == 1)
pagingButtonsHtml.AppendFormat("<span class=\"tn-page-prev tn-page-thumb\">{0}</span>", "上一页");
else
pagingButtonsHtml.AppendFormat(BuildLink("上一页", GetPagingNavigateUrl(html, pagingDataSet.PageIndex - 1, ajaxUrl), "tn-page-prev tn-page-thumb"));
}
//构建 数字分页部分
if (showNumeric)
{
int startNumericPageIndex;
if (numericPagingButtonCount > totalPages || pagingDataSet.PageIndex - (numericPagingButtonCount / 2) <= 0)
startNumericPageIndex = 1;
else if (pagingDataSet.PageIndex + (numericPagingButtonCount / 2) > totalPages)
startNumericPageIndex = totalPages - numericPagingButtonCount + 1;
else
startNumericPageIndex = pagingDataSet.PageIndex - (numericPagingButtonCount / 2);
if (startNumericPageIndex < 1)
startNumericPageIndex = 1;
int lastNumericPageIndex = startNumericPageIndex + numericPagingButtonCount - 1;
if (lastNumericPageIndex > totalPages)
lastNumericPageIndex = totalPages;
if (startNumericPageIndex > 1)
{
for (int i = 1; i < startNumericPageIndex; i++)
{
pagingButtonsHtml.AppendLine();
if (i > 3)
break;
if (i == 3)
pagingButtonsHtml.Append("<span class=\"tn-page-break\">...</span>");
else
{
if (pagingDataSet.PageIndex == i)
pagingButtonsHtml.AppendFormat("<span class=\"tn-page-number tn-selected\">{0}</span>", i);
else
pagingButtonsHtml.AppendFormat(BuildLink(i.ToString(), GetPagingNavigateUrl(html, i, ajaxUrl)));
}
}
}
for (int i = startNumericPageIndex; i <= lastNumericPageIndex; i++)
{
pagingButtonsHtml.AppendLine();
if (pagingDataSet.PageIndex == i)
pagingButtonsHtml.AppendFormat("<span class=\"tn-page-number tn-selected\">{0}</span>", i);
else
pagingButtonsHtml.AppendFormat(BuildLink(i.ToString(), GetPagingNavigateUrl(html, i, ajaxUrl)));
}
if (lastNumericPageIndex < totalPages)
{
int lastStart = lastNumericPageIndex + 1;
if (totalPages - lastStart > 2)
lastStart = totalPages - 2;
for (int i = lastStart; i <= totalPages; i++)
{
pagingButtonsHtml.AppendLine();
if ((i == lastStart) && (totalPages - lastNumericPageIndex > 3))
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.Append("<span class=\"tn-page-break\">...</span>");
continue;
}
if (pagingDataSet.PageIndex == i)
pagingButtonsHtml.AppendFormat("<span class=\"tn-page-number tn-selected\">{0}</span>", i);
else
pagingButtonsHtml.AppendFormat(BuildLink(i.ToString(), GetPagingNavigateUrl(html, i, ajaxUrl)));
}
}
}
if (showNext)
{
pagingButtonsHtml.AppendLine();
if (pagingDataSet.PageIndex == totalPages)
pagingButtonsHtml.AppendFormat("<span class=\"tn-page-thumb tn-page-next\">{0}</span>", "下一页");
else
pagingButtonsHtml.AppendFormat(BuildLink("下一页", GetPagingNavigateUrl(html, pagingDataSet.PageIndex + 1, ajaxUrl), "tn-page-thumb tn-page-next"));
}
if (showLast)
{
if ((pagingDataSet.PageIndex < totalPages) && (totalPages > numericPagingButtonCount))
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.AppendFormat(BuildLink(">>", GetPagingNavigateUrl(html, totalPages, ajaxUrl), "tn-page-thumb tn-page-last"));
}
else if (paginationMode == PaginationMode.NextPreviousFirstLast)
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.AppendFormat("<span class=\"tn-page-thumb tn-page-last\">{0}</span>", ">>");
}
}
pagingButtonsHtml.Append("</div>");
return MvcHtmlString.Create(pagingButtonsHtml.ToString());
}
/// <summary>
/// 呈现普通分页按钮
/// </summary>
/// <param name="paginationMode">分页按钮显示模式</param>
/// <param name="html">被扩展的HtmlHelper</param>
/// <param name="pagingDataSet">数据集</param>
/// <param name="numericPagingButtonCount">数字分页按钮显示个数</param>
/// <returns>分页按钮html代码</returns>
public static MvcHtmlString PagingButton(this HtmlHelper html, IPagingDataSet pagingDataSet, PaginationMode paginationMode = PaginationMode.NumericNextPrevious, int numericPagingButtonCount = 7)
{
return PagingButton(html, pagingDataSet, false, null, paginationMode, numericPagingButtonCount);
}
/// <summary>
/// 呈现分页按钮
/// </summary>
/// <param name="html">被扩展的HtmlHelper</param>
/// <param name="pagingDataSet">数据集</param>
/// <param name="updateTargetId">异步分页时，被更新的目标元素Id</param>
/// <param name="paginationMode">分页按钮显示模式</param>
/// <param name="numericPagingButtonCount">数字分页按钮显示个数</param>
/// <param name="enableAjax">是否使用ajax分页</param>
/// <returns>分页按钮html代码</returns>
private static MvcHtmlString PagingButton(this HtmlHelper html, IPagingDataSet pagingDataSet, bool enableAjax, string updateTargetId, PaginationMode paginationMode = PaginationMode.NumericNextPrevious, int numericPagingButtonCount = 7, string ajaxUrl = null)
{
if (pagingDataSet.TotalRecords == 0 || pagingDataSet.PageSize == 0)
{
return(MvcHtmlString.Empty);
}
//计算总页数
int totalPages = (int)(pagingDataSet.TotalRecords / (long)pagingDataSet.PageSize);
if ((pagingDataSet.TotalRecords % pagingDataSet.PageSize) > 0)
{
totalPages++;
}
//未超过一页时不显示分页按钮
if (totalPages <= 1)
{
return(MvcHtmlString.Empty);
}
bool showFirst = false;
if (paginationMode == PaginationMode.NextPreviousFirstLast)
{
showFirst = true;
}
bool showLast = false;
if (paginationMode == PaginationMode.NextPreviousFirstLast)
{
showLast = true;
}
bool showPrevious = true;
//if (paginationMode == PaginationMode.NextPrevious || paginationMode == PaginationMode.NextPreviousFirstLast || paginationMode == PaginationMode.NumericNextPrevious)
// showPrevious = true;
bool showNext = true;
//if (paginationMode == PaginationMode.NextPrevious || paginationMode == PaginationMode.NextPreviousFirstLast || paginationMode == PaginationMode.NumericNextPrevious)
// showNext = true;
bool showNumeric = false;
if (paginationMode == PaginationMode.NumericNextPrevious)
{
showNumeric = true;
}
//显示多少个数字分页按钮
//int numericPageButtonCount = 10;
//对pageIndex进行修正
if ((pagingDataSet.PageIndex < 1) || (pagingDataSet.PageIndex > totalPages))
{
pagingDataSet.PageIndex = 1;
}
string pagingContainer = "<div class=\"tn-pagination-btn\"";
if (enableAjax)
{
pagingContainer += " plugin=\"ajaxPagingButton\" data=\"" + HttpUtility.HtmlEncode(Json.Encode(new { updateTargetId = updateTargetId })) + "\"";
}
pagingContainer += ">";
StringBuilder pagingButtonsHtml = new StringBuilder(pagingContainer);
//构建 "首页"
if (showFirst)
{
if ((pagingDataSet.PageIndex > 1) && (totalPages > numericPagingButtonCount))
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.AppendFormat(BuildLink("<<", GetPagingNavigateUrl(html, 1, ajaxUrl), "tn-page-first tn-page-thumb"));
}
else if (paginationMode == PaginationMode.NextPreviousFirstLast)
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.AppendFormat("<span class=\"tn-page-first tn-page-thumb\">{0}</span>", "<<");
}
}
//回复：和苏工沟通了下，可能会调整标签结构及class名。但隔离开挺麻烦，暂时保留这个问题
//mazq回复：是否可以把html代码放入view，另外如果允许用户选择每页记录数如何处理？
//构建 "上一页"
if (showPrevious)
{
pagingButtonsHtml.AppendLine();
if (pagingDataSet.PageIndex == 1)
{
pagingButtonsHtml.AppendFormat("<span class=\"tn-page-prev tn-page-thumb\">{0}</span>", "上一页");
}
else
{
pagingButtonsHtml.AppendFormat(BuildLink("上一页", GetPagingNavigateUrl(html, pagingDataSet.PageIndex - 1, ajaxUrl), "tn-page-prev tn-page-thumb"));
}
}
//构建 数字分页部分
if (showNumeric)
{
int startNumericPageIndex;
if (numericPagingButtonCount > totalPages || pagingDataSet.PageIndex - (numericPagingButtonCount / 2) <= 0)
{
startNumericPageIndex = 1;
}
else if (pagingDataSet.PageIndex + (numericPagingButtonCount / 2) > totalPages)
{
startNumericPageIndex = totalPages - numericPagingButtonCount + 1;
}
else
{
startNumericPageIndex = pagingDataSet.PageIndex - (numericPagingButtonCount / 2);
}
if (startNumericPageIndex < 1)
{
startNumericPageIndex = 1;
}
int lastNumericPageIndex = startNumericPageIndex + numericPagingButtonCount - 1;
if (lastNumericPageIndex > totalPages)
{
lastNumericPageIndex = totalPages;
}
if (startNumericPageIndex > 1)
{
for (int i = 1; i < startNumericPageIndex; i++)
{
pagingButtonsHtml.AppendLine();
if (i > 3)
{
break;
}
if (i == 3)
{
pagingButtonsHtml.Append("<span class=\"tn-page-break\">...</span>");
}
else
{
if (pagingDataSet.PageIndex == i)
{
pagingButtonsHtml.AppendFormat("<span class=\"tn-page-number tn-selected\">{0}</span>", i);
}
else
{
pagingButtonsHtml.AppendFormat(BuildLink(i.ToString(), GetPagingNavigateUrl(html, i, ajaxUrl)));
}
}
}
}
for (int i = startNumericPageIndex; i <= lastNumericPageIndex; i++)
{
pagingButtonsHtml.AppendLine();
if (pagingDataSet.PageIndex == i)
{
pagingButtonsHtml.AppendFormat("<span class=\"tn-page-number tn-selected\">{0}</span>", i);
}
else
{
pagingButtonsHtml.AppendFormat(BuildLink(i.ToString(), GetPagingNavigateUrl(html, i, ajaxUrl)));
}
}
if (lastNumericPageIndex < totalPages)
{
int lastStart = lastNumericPageIndex + 1;
if (totalPages - lastStart > 2)
{
lastStart = totalPages - 2;
}
for (int i = lastStart; i <= totalPages; i++)
{
pagingButtonsHtml.AppendLine();
if ((i == lastStart) && (totalPages - lastNumericPageIndex > 3))
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.Append("<span class=\"tn-page-break\">...</span>");
continue;
}
if (pagingDataSet.PageIndex == i)
{
pagingButtonsHtml.AppendFormat("<span class=\"tn-page-number tn-selected\">{0}</span>", i);
}
else
{
pagingButtonsHtml.AppendFormat(BuildLink(i.ToString(), GetPagingNavigateUrl(html, i, ajaxUrl)));
}
}
}
}
if (showNext)
{
pagingButtonsHtml.AppendLine();
if (pagingDataSet.PageIndex == totalPages)
{
pagingButtonsHtml.AppendFormat("<span class=\"tn-page-thumb tn-page-next\">{0}</span>", "下一页");
}
else
{
pagingButtonsHtml.AppendFormat(BuildLink("下一页", GetPagingNavigateUrl(html, pagingDataSet.PageIndex + 1, ajaxUrl), "tn-page-thumb tn-page-next"));
}
}
if (showLast)
{
if ((pagingDataSet.PageIndex < totalPages) && (totalPages > numericPagingButtonCount))
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.AppendFormat(BuildLink(">>", GetPagingNavigateUrl(html, totalPages, ajaxUrl), "tn-page-thumb tn-page-last"));
}
else if (paginationMode == PaginationMode.NextPreviousFirstLast)
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.AppendFormat("<span class=\"tn-page-thumb tn-page-last\">{0}</span>", ">>");
}
}
pagingButtonsHtml.Append("</div>");
return(MvcHtmlString.Create(pagingButtonsHtml.ToString()));
}
/// <summary>
/// 呈现异步分页按钮
/// </summary>
/// <param name="paginationMode">分页按钮显示模式</param>
/// <param name="html">被扩展的HtmlHelper</param>
/// <param name="pagingDataSet">数据集</param>
/// <param name="updateTargetId">异步分页时，被更新的目标元素Id</param>
/// <param name="numericPagingButtonCount">数字分页按钮显示个数</param>
/// <returns>分页按钮html代码</returns>
public static MvcHtmlString AjaxPagingButton(this HtmlHelper html, IPagingDataSet pagingDataSet, string updateTargetId, PaginationMode paginationMode = PaginationMode.NumericNextPrevious, int numericPagingButtonCount = 7, string ajaxUrl = null)
{
return(PagingButton(html, pagingDataSet, true, updateTargetId, paginationMode, numericPagingButtonCount, ajaxUrl));
}
/// <summary>
/// 呈现普通分页按钮
/// </summary>
/// <param name="paginationMode">分页按钮显示模式</param>
/// <param name="html">被扩展的HtmlHelper</param>
/// <param name="pagingDataSet">数据集</param>
/// <param name="numericPagingButtonCount">数字分页按钮显示个数</param>
/// <returns>分页按钮html代码</returns>
public static MvcHtmlString PagingButton(this HtmlHelper html, IPagingDataSet pagingDataSet, PaginationMode paginationMode = PaginationMode.NumericNextPrevious, int numericPagingButtonCount = 7)
{
return(PagingButton(html, pagingDataSet, false, null, paginationMode, numericPagingButtonCount));
}
