/// <summary>
/// 生成Unobtrusive Ajax action link分页
/// </summary>
/// <param name="html"></param>
/// <param name="pagingInfo">分页信息</param>
/// <param name="pageUrl">生成链接委托</param>
/// <param name="leastCountToGenerateFirstLast">页面数量超过该数则生成“首页”“尾页”</param>
/// <param name="updateTargetId">回调更新的页面元素id</param>
/// <returns></returns>
public static MvcHtmlString AjaxPageLinks(this HtmlHelper html, PagingInfo pagingInfo, Func<int, string> pageUrl, int leastCountToGenerateFirstLast, string updateTargetId)
{
StringBuilder result = new StringBuilder();
for (int i = 1; i <= pagingInfo.PageCount; i++)
{
if (i == 1) //首页
{
//result.Append(@"<div id=""pagination-div-container"">");
result.Append(@"<ul id=""pagination-ul-container"">");
if (pagingInfo.PageIndex == 1)
{
result.Append("<li class='active'>");
}
else
{
result.Append("<li>");
}
result.Append(CreateAjaxLinkTag("1", i, pageUrl, updateTargetId, null, "pagination-first").ToString());
result.Append("</li>");
result.Append("<li>");
result.Append(@"<a id=""pre-ellipsis"">......</a>");
result.Append("</li>");
}
else if (i == pagingInfo.PageCount) //尾页
{
result.Append("<li>");
result.Append(@"<a id=""next-ellipsis"">......</a>");
result.Append("</li>");
if (pagingInfo.PageIndex == pagingInfo.PageCount)
{
result.Append("<li class='active'>");
}
else
{
result.Append("<li>");
}
result.Append(CreateAjaxLinkTag(pagingInfo.PageCount.ToString(), i, pageUrl, updateTargetId, null,
"pagination-last").ToString());
result.Append("</li>");
result.Append("</ul>");
//result.Append("</div>");
}
else //其他
{
if (i == pagingInfo.PageIndex)
{
result.Append("<li class='active'>");
}
else
{
result.Append("<li>");
}
result.Append(CreateAjaxLinkTag(i.ToString(), i, pageUrl, updateTargetId).ToString());
result.Append("</li>");
}
}
return MvcHtmlString.Create(result.ToString());
}
public static MvcHtmlString PageLinks(this HtmlHelper html, PagingInfo pagingInfo, Func<int, string> pageUrlAccessor)
{
StringBuilder result = new StringBuilder();
result.Append("<ul>");
string className;
string link;
for (int i = 1; i <= pagingInfo.PageCount; i++)
{
link = CreateLinkTag(i, i.ToString(), pageUrlAccessor).ToString();
className = null;
if (i == pagingInfo.PageIndex) //如果是当前页
{
className = "active";
}
if (i == 1) //首页
{
result.Append(CreateLiTag(link, className, "pagination-first").ToString());
if (pagingInfo.PageIndex > 7) //d当前页码大于6，显示前省略号
{
result.Append(CreateLiTag("<a>......</a>", null, "pre-ellipsis").ToString());
}
}
else if (i == pagingInfo.RecordCount) //尾页
{
if (pagingInfo.PageCount > 10 && Math.Abs(pagingInfo.PageCount - pagingInfo.PageIndex) > 6) //超过10页，显示后省略号
{
result.Append(CreateLiTag("<a>......</a>", null, "next-ellipsis").ToString());
}
result.Append(CreateLiTag(link, className, "pagination-last").ToString());
}
else if (Math.Abs(pagingInfo.PageIndex - i) <= 5)//显示当前页码的左右5个页标签
{
result.Append(CreateLiTag(link, className, null).ToString());
}
result.Append("</li>");
}
result.Append("</ul>");
return MvcHtmlString.Create(result.ToString());
}
