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using System; |
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using System.Collections.Generic; |
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using System.Web; |
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using System.Text; |
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using System.Text.RegularExpressions; |
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namespace Basic.Engine.Get |
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{ |
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/// <summary>
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/// 获取分页代码
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/// </summary>
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public static class PagiNation |
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{ |
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/// <summary>
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/// 获取分页代码(总页数,当前页)
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/// </summary>
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/// <param name="TotelPage"></param>
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/// <param name="NowPage"></param>
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public static string GetPageHtml(int TotelPage, int NowPage) |
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{ |
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string NowUrl = HttpContext.Current.Request.RawUrl; |
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Regex Rzz = new Regex(@"\?page=\d+|\&page=\d+", RegexOptions.IgnoreCase | RegexOptions.Singleline | RegexOptions.IgnorePatternWhitespace); |
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NowUrl = Rzz.Replace(NowUrl, "", 1); |
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if (NowUrl.ToLower().Contains("?")) |
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{ |
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NowUrl = NowUrl + "&page="; |
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} |
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else |
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{ |
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NowUrl = NowUrl + "?page="; |
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} |
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int prevPage = NowPage - 1; |
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int nextPage = NowPage + 1; |
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StringBuilder strFenye = new StringBuilder(); |
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if (TotelPage > 1) |
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{ |
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strFenye.Append("<div id=\"PageContent\" class=\"flickr\" style=\"text-align: center;\">"); |
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strFenye.Append("<div class=\"pages\">"); |
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if (NowPage > 1)//第一页的时候 不显示上一页
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{ |
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strFenye.Append("<span><a href=\"" + NowUrl + prevPage + "\">«上一页</a></span>"); |
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} |
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if (NowPage != 1)//当前页不是第一页的时候始终显示 第一页
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{ |
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strFenye.Append("<span><a href=\"" + NowUrl + "1\">1</a></span>"); |
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} |
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if (NowPage >= 5)//当前页大于5时候 显示 ...
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{ |
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strFenye.Append("<span>...</span>"); |
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for (int i = 2; i <= NowPage - 3; i++) |
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{ |
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strFenye.Append("<span class=\"pageyc\"><a href=\"" + NowUrl + i + "\">" + i + "</a></span>"); |
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} |
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} |
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if (TotelPage < 6) |
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{ |
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#region 总页数小于5时
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//
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for (int i = 0; i < (TotelPage + 1); i++) |
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{ |
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if (i > 0) |
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{ |
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if (i == NowPage) |
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{ |
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strFenye.Append("<span class=\"number\">" + i + "</span>"); |
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} |
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else |
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{ |
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if (i != 1) |
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{ |
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strFenye.Append("<span><a href=\"" + NowUrl + i + "\">" + i + "</a></span>"); |
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} |
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} |
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} |
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} |
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#endregion
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} |
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else |
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{ |
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#region 总页数大于5时
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//
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int endPage = 0; |
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if (TotelPage > NowPage + 2) |
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{ |
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endPage = NowPage + 2; |
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} |
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else |
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{ |
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endPage = NowPage; |
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} |
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//
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for (int i = NowPage - 2; i <= endPage; i++) |
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{ |
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if (i > 0) |
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{ |
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if (i == NowPage) |
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{ |
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strFenye.Append("<span class=\"number\">" + i + "</span>"); |
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} |
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else |
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{ |
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if (i != 1 && i != TotelPage) |
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{ |
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strFenye.Append("<span><a href=\"" + NowUrl + i + "\">" + i + "</a></span>"); |
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} |
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} |
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} |
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} |
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if (NowPage == TotelPage - 2) |
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{ |
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strFenye.Append("<span><a href=\"" + NowUrl + (NowPage + 1) + "\">" + (NowPage + 1) + "</a></span>"); |
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} |
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if (NowPage + 3 < TotelPage) |
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{ |
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strFenye.Append("<span>...</span>"); |
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for (int i = NowPage + 3; i <= TotelPage - 1; i++) |
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{ |
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strFenye.Append("<span class=\"pageyc\"><a href=\"" + NowUrl + i + "\">" + i + "</a></span>"); |
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} |
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} |
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if (NowPage != TotelPage) |
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{ |
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strFenye.Append("<span><a href=\"" + NowUrl + TotelPage + "\">" + TotelPage + "</a></span>"); |
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} |
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#endregion
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} |
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if (NowPage < TotelPage)//最后一页 不显示下一页
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{ |
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strFenye.Append("<span><a href=\"" + NowUrl + nextPage + "\">下一页»</a></span>"); |
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} |
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strFenye.Append("</div>"); |
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strFenye.Append("</div>"); |
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} |
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return strFenye.ToString(); |
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} |
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} |
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} |