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149 Zeilen
5.5 KiB
149 Zeilen
5.5 KiB
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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}
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