/// <summary>
/// 生成“商品分类”下拉框中的 option 列表
/// </summary>
public static string ToHtmlOptions(this List<Category> list, int currentCategoryId,
string categoryUrlkey, bool addEmptyItem, params string[] deleteUrlKeys)
{
if( list == null )
throw new ArgumentNullException("list");
if( string.IsNullOrEmpty(categoryUrlkey) )
throw new ArgumentNullException("categoryUrlkey");
StringBuilder sb = new StringBuilder();
MyUrlGenerator generate = new MyUrlGenerator(HttpContextHelper.RequestRawUrl);
generate.Remove(categoryUrlkey).Remove(deleteUrlKeys);
if( addEmptyItem )
sb.Append("---请选择---".ToHtmlOptionUrl(generate.ToString()));
foreach( WebSiteModel.Category category in list ) {
string href = generate.GetNewUrl(categoryUrlkey, category.CategoryID.ToString());
sb.Append(category.CategoryName.ToHtmlOptionUrl(href, (category.CategoryID == currentCategoryId)));
}
return sb.ToString();
}
/// <summary>
/// 根据分页参数生成与JQuery Easy UI 兼容的分页条代码
/// </summary>
/// <param name="pagingInfo">分页参数</param>
/// <param name="urlParamName">URL中的分页序号参数</param>
/// <returns>分页条代码</returns>
public static string ToHtml(this PagingInfo pagingInfo, string urlParamName)
{
if( pagingInfo == null )
throw new ArgumentNullException("pagingInfo");
if( pagingInfo.PageSize == 0 )
throw new ArgumentOutOfRangeException("PagingInfo.PageSize is zero.");
if( string.IsNullOrEmpty(urlParamName) )
throw new ArgumentNullException("urlParamName");
int pageCount = (int)Math.Ceiling((double)pagingInfo.RecCount / (double)pagingInfo.PageSize);
if( pageCount < 1 )
return string.Empty;
StringBuilder sb = new StringBuilder();
sb.AppendLine("<div class='pagination'>");
sb.AppendLine("<table cellpadding='0' cellspacing='0' border='0'><tr>");
sb.AppendLine("<td>{labFirst}</td>");
sb.AppendLine("<td>{labPrev}</td>");
sb.AppendLine("<td><div class='pagination-btn-separator'></div></td>");
sb.AppendLine("<td> 页 </td>");
sb.AppendLine("<td>{txtCurrentPage}</td>");
sb.AppendLine("<td> /{labPageCount} </td>");
sb.AppendLine("<td><div class='pagination-btn-separator'></div></td>");
sb.AppendLine("<td>{labNext}</td>");
sb.AppendLine("<td>{labLast}</td>");
sb.AppendLine("<td><div class='pagination-btn-separator'></div></td>");
sb.AppendLine("<td>{labRefresh}</td>");
sb.AppendLine("</tr></table>");
sb.AppendLine("<div class='pagination-info'>{labInfo}</div>");
sb.AppendLine("{script}");
sb.AppendLine("<div style='clear: both;'></div></div>");
bool firstEnabled = (pagingInfo.PageIndex > 0);
bool lastEnabled = (pagingInfo.PageIndex < pageCount - 1);
MyUrlGenerator generate = new MyUrlGenerator(MyMVC.HttpContextHelper.RequestRawUrl);
generate.Remove("_"); // "_" 是 jquery 加上去的。
string linkFirst = generate.GetNewUrl(urlParamName, "1");
string linkLast = generate.GetNewUrl(urlParamName, pageCount.ToString());
string linkPrevious = generate.GetNewUrl(urlParamName, pagingInfo.PageIndex.ToString());
string linkNext = generate.GetNewUrl(urlParamName, (pagingInfo.PageIndex + 2).ToString());
string ctlId = "txt" + Guid.NewGuid().ToString("N");
string txtCurrentPage = string.Format("<input type='text' class='pageNumber' value='{0}' baseUrl=\"{1}\" max='{2}' autoRedire='true' param=\"{3}\" id='{4}' />",
(pagingInfo.PageIndex + 1).ToString(),
HttpUtility.HtmlEncode(generate.GetNewUrl(null, null, urlParamName)),
pageCount.ToString(),
HttpUtility.HtmlEncode(urlParamName),
ctlId);
string script = string.Format("<script type=\"text/javascript\">$(function(){{ SetPageNumberTextbox('{0}'); }});</script>", ctlId);
string labFirst = GenerateButton("pagination-first", linkFirst, null, firstEnabled, "转到第一页");
string labPrev = GenerateButton("pagination-prev", linkPrevious, null, firstEnabled, "转到前一页");
string labNext = GenerateButton("pagination-next", linkNext, null, lastEnabled, "转到后一页");
string labLast = GenerateButton("pagination-last", linkLast, null, lastEnabled, "转到最后一页");
string labPageCount = pageCount.ToString();
string labRefresh = GenerateButton("pagination-load", MyMVC.HttpContextHelper.RequestRawUrl, "刷新", true, "刷新当前页");
int endRecord = ((pagingInfo.PageIndex + 1) * pagingInfo.PageSize);
string labInfo = string.Format("显示范围：{0} 到 {1} ， 共 {2} 条记录",
(pagingInfo.PageIndex * pagingInfo.PageSize + 1), ((endRecord < pagingInfo.RecCount) ? endRecord : pagingInfo.RecCount), pagingInfo.RecCount);
sb.Replace("{labFirst}", labFirst).Replace("{labPrev}", labPrev).Replace("{txtCurrentPage}", txtCurrentPage);
sb.Replace("{labPageCount}", labPageCount).Replace("{labNext}", labNext).Replace("{labLast}", labLast);
sb.Replace("{labRefresh}", labRefresh).Replace("{labInfo}", labInfo).Replace("{script}", script);
return sb.ToString();
}