asp.net 分页

来源：互联网发布：淘宝联盟不提现会怎样编辑：程序博客网时间：2024/06/05 19:47
/// <summary> /// 分页内容 /// </summary> /// <param name="size">页面大小</param> /// <param name="count">页面数量</param> /// <param name="currendIndex">当前页</param> /// <param name="pattern">url模式：demo.aspx?page={0}</param> /// <param name="target">窗口模式</param> /// <returns></returns> public static string get_pagenation(int size,                                     int count,                                     int currendIndex,                                     string pattern,                                     string target) {     //1>打开窗口目标     target = string.IsNullOrEmpty(target) ? "_top" : target;     //2>总页数     int pageCount = count / size;     pageCount = pageCount * size == count ? pageCount : pageCount + 1;     //3>分页内容     StringBuilder strHtml = new StringBuilder();     strHtml.Append("<span class='pagenation'>");     #region 首部处理     if (currendIndex > 1)     {         strHtml.AppendFormat("<a href='1' target='{0}'>[首页]</a>", target);         strHtml.AppendFormat("<a href='{0}' target='{1}'>[上一页]</a>", string.Format(pattern, currendIndex - 1), target);     }     else    {         strHtml.Append("<span class='disabled'>[首页]</span>  <span class='disabled'>[上一页]</span>");     }     #endregion     #region 中间部分     int i = 1;     int right = (currendIndex + 4) > pageCount ? pageCount : currendIndex + 4;     if (currendIndex > 6)     {         i = currendIndex - 5;     }     else    {         right = pageCount >= 10 ? 10 : pageCount;     }     for (; i <= right; i++)     {         if (i == currendIndex)         {             strHtml.AppendFormat("<font class='current'>{0}</font>", i);             strHtml.AppendLine();             continue;         }         strHtml.AppendFormat("<a href='{0}' target='{1}'>[{2}]</a>", string.Format(pattern, i), target, i);         strHtml.AppendLine();     }     #endregion     #region 尾部处理     if (currendIndex == pageCount)     {         strHtml.Append("<span class='disabled'>[下一页]</span><span class='disabled'>[末页]</span>");         strHtml.AppendFormat("总共({0})页", pageCount);     }     else    {         strHtml.AppendFormat("<a href='{0}' target='{1}'>[下一页]</a>", string.Format(pattern, currendIndex + 1), target);         strHtml.AppendFormat("<a href='{0}' target='{1}'>[末页]</a>", string.Format(pattern, pageCount), target);         strHtml.AppendFormat("  <label>总共({0})页</label>", pageCount);     }     #endregion     strHtml.Append("</span>");     return strHtml.ToString(); }
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