/// <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="pagingList">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,
IPagingList pagingList,
PaginationMode paginationMode = PaginationMode.NumericNextPrevious,
int numericPagingButtonCount = 7)
{
return(PagingButton(html, pagingList, false, null, paginationMode, 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="pagingList">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>
/// <param name="ajaxUrl"></param>
/// <returns>分页按钮html代码</returns>
public static MvcHtmlString PagingButtonForAjax
(this HtmlHelper html,
IPagingList pagingList,
string updateTargetId,
PaginationMode paginationMode = PaginationMode.NumericNextPrevious,
int numericPagingButtonCount = 7,
string ajaxUrl = null)
{
return(PagingButton(html, pagingList, true, updateTargetId, paginationMode, numericPagingButtonCount,
ajaxUrl));
}
protected OnDemandProcessingResult(IChunkFactory createChunkFactory, bool hasDocumentMap, bool hasInteractivity, ParameterInfoCollection parameters, int autoRefresh, int numberOfPages, ProcessingMessageList warnings, bool eventInfoChanged, EventInformation newEventInfo, PaginationMode updatedPaginationMode, ReportProcessingFlags updatedProcessingFlags, UserProfileState usedUserProfileState, ExecutionLogContext executionLogContext)
{
this.m_createChunkFactory = createChunkFactory;
this.m_hasDocumentMap = hasDocumentMap;
this.m_numberOfPages = numberOfPages;
this.m_hasInteractivity = hasInteractivity;
this.m_parameters = parameters;
this.m_autoRefresh = autoRefresh;
this.m_warnings = warnings;
this.m_eventInfoChanged = eventInfoChanged;
this.m_newEventInfo = newEventInfo;
this.m_parameters = parameters;
this.m_updatedPaginationMode = updatedPaginationMode;
this.m_updatedReportProcessingFlags = updatedProcessingFlags;
this.m_usedUserProfileState = usedUserProfileState;
this.m_executionLogContext = executionLogContext;
}
/// <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="pagingList">数据集</param>
/// <param name="enableAjax">是否使用ajax分页</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="ajaxUrl"></param>
/// <returns>分页按钮html代码</returns>
private static MvcHtmlString PagingButton
(this HtmlHelper html,
IPagingList pagingList,
bool enableAjax, string updateTargetId,
PaginationMode paginationMode = PaginationMode.NumericNextPrevious,
int numericPagingButtonCount = 7,
string ajaxUrl = null)
{
if (pagingList == null)
{
return(MvcHtmlString.Empty);
}
if (pagingList.TotalCount == 0 || pagingList.PageSize == 0)
{
return(MvcHtmlString.Empty);
}
//计算总页数
//var totalPages = (int) (pagingList.TotalCount/pagingList.PageSize);
//if ((pagingList.TotalCount%pagingList.PageSize) > 0)
// totalPages++;
var totalPages = pagingList.TotalPages;
//未超过一页时不显示分页按钮
if (totalPages <= 1)
{
return(MvcHtmlString.Empty);
}
var showFirst = paginationMode == PaginationMode.NextPreviousFirstLast || paginationMode == PaginationMode.NumericNextPreviousFirstLast;
var showLast = paginationMode == PaginationMode.NextPreviousFirstLast || paginationMode == PaginationMode.NumericNextPreviousFirstLast;
var showPrevious = true;
var showNext = true;
var showNumeric = paginationMode == PaginationMode.NumericNextPrevious || paginationMode == PaginationMode.NumericNextPreviousFirstLast;
//显示多少个数字分页按钮
//int numericPageButtonCount = 10;
//对pageIndex进行修正
if ((pagingList.PageIndex < 1) || (pagingList.PageIndex > totalPages))
{
pagingList.PageIndex = 1;
}
var pagingContainer = new StringBuilder();
pagingContainer.Append("<nav");
//string pagingContainer = "<div class=\"tn-pagination-btn\"";
if (enableAjax)
{
pagingContainer.Append(" plugin=\"ajaxPagingButton\" data-updatetargetid=\"" + updateTargetId + "\"");
}
pagingContainer.Append("><ul class=\"pager\">");
var pagingButtonsHtml = new StringBuilder(pagingContainer.ToString());
//构建 "首页"
if (showFirst)
{
pagingButtonsHtml.AppendLine();
if (pagingList.PageIndex == 1)
{
pagingButtonsHtml.Append("<li class=\"disabled\"><span>首页</span></li>");
}
else
{
pagingButtonsHtml.AppendFormat("<li><a href=\"{0}\"><span>首页</span></a></li>",
GetPagingNavigateUrl(html, 1, ajaxUrl));
}
}
//构建 "上一页"
pagingButtonsHtml.AppendLine();
if (pagingList.PageIndex == 1)
{
pagingButtonsHtml.Append("<li class=\"disabled\"><span>上一页</span></li>");
}
else
{
pagingButtonsHtml.AppendFormat("<li><a href=\"{0}\"><span>上一页</span></a></li>",
GetPagingNavigateUrl(html, pagingList.PageIndex - 1, ajaxUrl));
}
//构建 数字分页部分
if (showNumeric)
{
int startNumericPageIndex;
if (numericPagingButtonCount > totalPages || pagingList.PageIndex - (numericPagingButtonCount / 2) <= 0)
{
startNumericPageIndex = 1;
}
else if (pagingList.PageIndex + (numericPagingButtonCount / 2) > totalPages)
{
startNumericPageIndex = totalPages - numericPagingButtonCount + 1;
}
else
{
startNumericPageIndex = pagingList.PageIndex - (numericPagingButtonCount / 2);
}
if (startNumericPageIndex < 1)
{
startNumericPageIndex = 1;
}
var lastNumericPageIndex = startNumericPageIndex + numericPagingButtonCount - 1;
if (lastNumericPageIndex > totalPages)
{
lastNumericPageIndex = totalPages;
}
if (startNumericPageIndex > 1)
{
for (var i = 1; i < startNumericPageIndex; i++)
{
pagingButtonsHtml.AppendLine();
if (i > 3)
{
break;
}
if (i == 3)
{
pagingButtonsHtml.Append("<li><span>...</span></li>");
}
else
{
if (pagingList.PageIndex == i)
{
pagingButtonsHtml.AppendFormat("<li class=\"active\"><span>{0}</span></li>", i);
}
else
{
pagingButtonsHtml.AppendFormat("<li><a href=\"{0}\"><span>{1}</span></a></li>",
GetPagingNavigateUrl(html, i, ajaxUrl), i);
}
}
}
}
for (var i = startNumericPageIndex; i <= lastNumericPageIndex; i++)
{
pagingButtonsHtml.AppendLine();
if (pagingList.PageIndex == i)
{
pagingButtonsHtml.AppendFormat("<li class=\"active\"><span>{0}</span></li>", i);
}
else
{
pagingButtonsHtml.AppendFormat("<li><a href=\"{0}\"><span>{1}</span></a></li>",
GetPagingNavigateUrl(html, i, ajaxUrl), i);
}
}
if (lastNumericPageIndex < totalPages)
{
var lastStart = lastNumericPageIndex + 1;
if (totalPages - lastStart > 2)
{
lastStart = totalPages - 2;
}
for (var i = lastStart; i <= totalPages; i++)
{
pagingButtonsHtml.AppendLine();
if ((i == lastStart) && (totalPages - lastNumericPageIndex > 3))
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.Append("<li><span>...</span></li>");
continue;
}
if (pagingList.PageIndex == i)
{
pagingButtonsHtml.AppendFormat("<li class=\"active\"><span>{0}</span></li>", i);
}
else
{
pagingButtonsHtml.AppendFormat("<li><a href=\"{0}\"><span>{1}</span></a></li>",
GetPagingNavigateUrl(html, i, ajaxUrl), i);
}
}
}
}
//构建 "下一页"
pagingButtonsHtml.AppendLine();
if (pagingList.PageIndex == totalPages)
{
pagingButtonsHtml.Append("<li class=\"disabled\"><span>下一页</span></li>");
}
else
{
pagingButtonsHtml.AppendFormat("<li><a href=\"{0}\"><span>下一页</span></a></li>",
GetPagingNavigateUrl(html, pagingList.PageIndex + 1, ajaxUrl));
}
//构建 "末页"
if (showLast)
{
pagingButtonsHtml.AppendLine();
if (pagingList.PageIndex == totalPages)
{
pagingButtonsHtml.Append("<li class=\"disabled\"><span>末页</span></li>");
}
else
{
pagingButtonsHtml.AppendFormat("<li><a href=\"{0}\"><span>末页</span></a></li>",
GetPagingNavigateUrl(html, totalPages, ajaxUrl));
}
}
pagingButtonsHtml.Append("</ul></nav>");
return(MvcHtmlString.Create(pagingButtonsHtml.ToString()));
}
protected PaginationMode GetUpdatedPaginationMode(Hashtable renderProperties, PaginationMode clientPaginationMode)
{
try
{
if (renderProperties != null)
{
object obj = renderProperties["UpdatedPaginationMode"];
if (obj != null)
{
return((PaginationMode)obj);
}
}
}
catch (InvalidCastException)
{
}
return(PaginationMode.Estimate);
}
public PaginationTS(Pagination pagination)
{
this.mode = pagination.GetMode();
this.elementsPerPage = pagination.GetElementsPerPage();
this.currentPage = (pagination as Pagination.Paginate)?.CurrentPage;
}
protected override string PropertyValidation(PropertyInfo pi)
{
if (pi.Name == nameof(ElementsPerPage))
{
if (ElementsPerPage != null && !ShouldHaveElements)
{
return(UserQueryMessage._0ShouldBeNullIf1Is2.NiceToString().FormatWith(pi.NiceName(), NicePropertyName(() => PaginationMode), PaginationMode?.Let(pm => pm.NiceToString()) ?? ""));
}
if (ElementsPerPage == null && ShouldHaveElements)
{
return(UserQueryMessage._0ShouldBeSetIf1Is2.NiceToString().FormatWith(pi.NiceName(), NicePropertyName(() => PaginationMode), PaginationMode.NiceToString()));
}
}
if (pi.Name == nameof(Filters) && WithoutFilters && Filters.Any())
{
return(UserQueryMessage._0ShouldBeEmptyIf1IsSet.NiceToString().FormatWith(pi.NiceName(), ReflectionTools.GetPropertyInfo(() => WithoutFilters).NiceName()));
}
return(base.PropertyValidation(pi));
}
/// <summary>
/// 呈现分页按钮
/// </summary>
/// <param name="html">被扩展的HtmlHelper</param>
/// <param name="pagingList">数据集</param>
/// <param name="enableAjax">是否使用ajax分页</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="ajaxUrl"></param>
/// <returns>分页按钮html代码</returns>
private static MvcHtmlString PagingButton(this HtmlHelper html,
IPagingList pagingList,
bool enableAjax, string updateTargetId,
PaginationMode paginationMode = PaginationMode.NumericNextPrevious,
int numericPagingButtonCount = 7,
string ajaxUrl = null)
{
if (pagingList == null)
return MvcHtmlString.Empty;
if (pagingList.TotalCount == 0 || pagingList.PageSize == 0)
return MvcHtmlString.Empty;
//计算总页数
//var totalPages = (int) (pagingList.TotalCount/pagingList.PageSize);
//if ((pagingList.TotalCount%pagingList.PageSize) > 0)
// totalPages++;
var totalPages = pagingList.TotalPages;
//未超过一页时不显示分页按钮
if (totalPages <= 1)
return MvcHtmlString.Empty;
var showFirst = paginationMode == PaginationMode.NextPreviousFirstLast || paginationMode == PaginationMode.NumericNextPreviousFirstLast;
var showLast = paginationMode == PaginationMode.NextPreviousFirstLast || paginationMode == PaginationMode.NumericNextPreviousFirstLast;
var showPrevious = true;
var showNext = true;
var showNumeric = paginationMode == PaginationMode.NumericNextPrevious || paginationMode == PaginationMode.NumericNextPreviousFirstLast;
//显示多少个数字分页按钮
//int numericPageButtonCount = 10;
//对pageIndex进行修正
if ((pagingList.PageIndex < 1) || (pagingList.PageIndex > totalPages))
pagingList.PageIndex = 1;
var pagingContainer = new StringBuilder();
pagingContainer.Append("<nav");
//string pagingContainer = "<div class=\"tn-pagination-btn\"";
if (enableAjax)
pagingContainer.Append(" plugin=\"ajaxPagingButton\" data-updatetargetid=\"" + updateTargetId + "\"");
pagingContainer.Append("><ul class=\"pager\">");
var pagingButtonsHtml = new StringBuilder(pagingContainer.ToString());
//构建 "首页"
if (showFirst)
{
pagingButtonsHtml.AppendLine();
if (pagingList.PageIndex == 1)
pagingButtonsHtml.Append("<li class=\"disabled\"><span>首页</span></li>");
else
pagingButtonsHtml.AppendFormat("<li><a href=\"{0}\"><span>首页</span></a></li>",
GetPagingNavigateUrl(html, 1, ajaxUrl));
}
//构建 "上一页"
pagingButtonsHtml.AppendLine();
if (pagingList.PageIndex == 1)
pagingButtonsHtml.Append("<li class=\"disabled\"><span>上一页</span></li>");
else
pagingButtonsHtml.AppendFormat("<li><a href=\"{0}\"><span>上一页</span></a></li>",
GetPagingNavigateUrl(html, pagingList.PageIndex - 1, ajaxUrl));
//构建 数字分页部分
if (showNumeric)
{
int startNumericPageIndex;
if (numericPagingButtonCount > totalPages || pagingList.PageIndex - (numericPagingButtonCount / 2) <= 0)
startNumericPageIndex = 1;
else if (pagingList.PageIndex + (numericPagingButtonCount / 2) > totalPages)
startNumericPageIndex = totalPages - numericPagingButtonCount + 1;
else
startNumericPageIndex = pagingList.PageIndex - (numericPagingButtonCount / 2);
if (startNumericPageIndex < 1)
startNumericPageIndex = 1;
var lastNumericPageIndex = startNumericPageIndex + numericPagingButtonCount - 1;
if (lastNumericPageIndex > totalPages)
lastNumericPageIndex = totalPages;
if (startNumericPageIndex > 1)
{
for (var i = 1; i < startNumericPageIndex; i++)
{
pagingButtonsHtml.AppendLine();
if (i > 3)
break;
if (i == 3)
pagingButtonsHtml.Append("<li><span>...</span></li>");
else
{
if (pagingList.PageIndex == i)
pagingButtonsHtml.AppendFormat("<li class=\"active\"><span>{0}</span></li>", i);
else
pagingButtonsHtml.AppendFormat("<li><a href=\"{0}\"><span>{1}</span></a></li>",
GetPagingNavigateUrl(html, i, ajaxUrl), i);
}
}
}
for (var i = startNumericPageIndex; i <= lastNumericPageIndex; i++)
{
pagingButtonsHtml.AppendLine();
if (pagingList.PageIndex == i)
pagingButtonsHtml.AppendFormat("<li class=\"active\"><span>{0}</span></li>", i);
else
pagingButtonsHtml.AppendFormat("<li><a href=\"{0}\"><span>{1}</span></a></li>",
GetPagingNavigateUrl(html, i, ajaxUrl), i);
}
if (lastNumericPageIndex < totalPages)
{
var lastStart = lastNumericPageIndex + 1;
if (totalPages - lastStart > 2)
lastStart = totalPages - 2;
for (var i = lastStart; i <= totalPages; i++)
{
pagingButtonsHtml.AppendLine();
if ((i == lastStart) && (totalPages - lastNumericPageIndex > 3))
{
pagingButtonsHtml.AppendLine();
pagingButtonsHtml.Append("<li><span>...</span></li>");
continue;
}
if (pagingList.PageIndex == i)
pagingButtonsHtml.AppendFormat("<li class=\"active\"><span>{0}</span></li>", i);
else
pagingButtonsHtml.AppendFormat("<li><a href=\"{0}\"><span>{1}</span></a></li>",
GetPagingNavigateUrl(html, i, ajaxUrl), i);
}
}
}
//构建 "下一页"
pagingButtonsHtml.AppendLine();
if (pagingList.PageIndex == totalPages)
pagingButtonsHtml.Append("<li class=\"disabled\"><span>下一页</span></li>");
else
pagingButtonsHtml.AppendFormat("<li><a href=\"{0}\"><span>下一页</span></a></li>",
GetPagingNavigateUrl(html, pagingList.PageIndex + 1, ajaxUrl));
//构建 "末页"
if (showLast)
{
pagingButtonsHtml.AppendLine();
if (pagingList.PageIndex == totalPages)
pagingButtonsHtml.Append("<li class=\"disabled\"><span>末页</span></li>");
else
pagingButtonsHtml.AppendFormat("<li><a href=\"{0}\"><span>末页</span></a></li>",
GetPagingNavigateUrl(html, totalPages, ajaxUrl));
}
pagingButtonsHtml.Append("</ul></nav>");
return MvcHtmlString.Create(pagingButtonsHtml.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 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()));
}
