/// <summary>
/// 生成分页Bar
/// </summary>
/// <param name="UsingScene">必需：分页栏使用场景可选值：General,Ajax</param>
/// <param name="IndexOfPage">必需：当前页索引</param>
/// <returns>分页Bar HTML</returns>
public string CreatePageUrl(PageUrlUsingScene UsingScene, int IndexOfPage)
{
StringBuilder SbUrlFormat = new StringBuilder();
//检查：检查分页必要条件
if (this.RecordCount > 0 && this.PageSize > 0)
{
//分页总数
double PageCount = Math.Ceiling(this.RecordCount / this.PageSize);
#region 开始生成分页元素
//判断：分页总数 <= 1页（仅有1页数据）
if ((PageCount > 1) || (PageCount <= 1 && IsAlwaysShowPagerBar))
{
SbUrlFormat.Append(CreateUrlOfGeneral(UsingScene, PageCount, IndexOfPage));
}
else
{
SbUrlFormat.AppendFormat(HTML_NOTE_FORMAT, "当前数据仅有[1]页,默认不显示PageBar,需要显示请设置[IsAlwaysShowPagerBar = treu;]");
}
#endregion
}
else
{
SbUrlFormat.AppendFormat(HTML_NOTE_FORMAT, "初始化分页必要条件[RecordCount,PageSize]检查失败.");
}
return(SbUrlFormat.ToString());
}
/// <summary>
/// 生成分页Html
/// </summary>
/// <param name="PageCount">必需：分页总数</param>
/// <param name="IndexOfPage">必需：当前页索引</param>
/// <returns></returns>
private string CreateUrlOfGeneral(PageUrlUsingScene UsingScene, double PageCount, double IndexOfPage)
{
#region 分页元素模板
string PagePerTmp = string.Empty;
string PageFirtTmpAvailable = string.Empty;
string PagePrevTmpAvailable = string.Empty;
string PageNextTmpAvailable = string.Empty;
string PageLastTmpAvailable = string.Empty;
string PageCurTmp = "<span class='span_pager_cur'>{0}</span>";
string PageFirsTmpUnavailable = "<span class='span_pager_firt_unavailable'>第一页</span>";
string PagePrevTmpUnavailable = "<span class='span_pager_prev_unavailable'>上一页</span>";
string PageNextTmpUnavailable = "<span class='span_pager_next_unavailable'>下一页</span>";
string PageLastTmpUnavailable = "<span class='span_pager_last_unavailable'>最后一页</span>";
switch (UsingScene)
{
case PageUrlUsingScene.General:
PagePerTmp = "<a class='a_page_per' href='?{0}={1}'>{1}</a>";
PageFirtTmpAvailable = "<a class='a_pager_firt_available' href='?{0}={1}'>第一页</a>";
PagePrevTmpAvailable = "<a class='a_pager_prev_available' href='?{0}={1}'>上一页</a>";
PageNextTmpAvailable = "<a class='a_pager_next_available' href='?{0}={1}'>下一页</a>";
PageLastTmpAvailable = "<a class='a_pager_last_available' href='?{0}={1}'>最后一页</a>";
break;
case PageUrlUsingScene.Ajax:
PagePerTmp = "<a class='a_page_per' href='javascript:;' data-{0}='{1}'>{1}</a>";
PageFirtTmpAvailable = "<a class='a_pager_firt_available' href='javascript:;' data-{0}='{1}'>第一页</a>";
PagePrevTmpAvailable = "<a class='a_pager_prev_available' href='javascript:;' data-{0}='{1}'>上一页</a>";
PageNextTmpAvailable = "<a class='a_pager_next_available' href='javascript:;' data-{0}='{1}'>下一页</a>";
PageLastTmpAvailable = "<a class='a_pager_last_available' href='javascript:;' data-{0}='{1}'>最后一页</a>";
break;
default:
break;
}
#endregion
#region 重置当前页索引
IndexOfPage = (IndexOfPage >= PageCount) ? PageCount : IndexOfPage;
IndexOfPage = (IndexOfPage <= 1) ? 1 : IndexOfPage;
#endregion
#region 开始拼接分页元素并返回
StringBuilder SbUrlFormat = new StringBuilder();
SbUrlFormat.Append("<ul class='ul_webfans_libs_pager'>");
for (int i = 1; i <= PageCount; i++)
{
SbUrlFormat.Append("<li class='li'>");
if (i == IndexOfPage)
{
//当前页
SbUrlFormat.AppendFormat(PageCurTmp, i);
}
else
{
SbUrlFormat.AppendFormat(PagePerTmp, this.PageParameter, i);
}
SbUrlFormat.Append("</li>");
}
SbUrlFormat.Append("</ul>");
return(SbUrlFormat.ToString());
#endregion
}
