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  • C#自定义分页方法二

    这个分页方法是我在一个开源项目里面找到的,拿过来给大家分享!

    不说了,上代码!

      1         #region 替换指定的字符串
      2       /// <summary>
      3         /// 替换指定的字符串
      4       /// </summary>
      5         /// <param name="originalStr">原字符串</param>
      6         /// <param name="oldStr">旧字符串</param>
      7         /// <param name="newStr">新字符串</param>
      8         /// <returns></returns>
      9         public static string ReplaceStr(string originalStr, string oldStr, string newStr)
     10         {
     11             if (string.IsNullOrEmpty(oldStr))
     12             {
     13                 return "";
     14             }
     15             return originalStr.Replace(oldStr, newStr);
     16         }
     17         #endregion
     18 
     19         #region 显示分页
     20         /// <summary>
     21         /// 返回分页页码
     22         /// </summary>
     23         /// <param name="pageSize">页面大小</param>
     24         /// <param name="pageIndex">当前页</param>
     25         /// <param name="totalCount">总记录数</param>
     26         /// <param name="linkUrl">链接地址,__id__代表页码</param>
     27         /// <param name="centSize">中间页码数量</param>
     28         /// <returns></returns>
     29         public static string PagingString(int pageIndex, int pageSize, int totalCount, string linkUrl, int centSize)
     30         {
     31             //计算页数
     32             if (totalCount < 1 || pageSize < 1)
     33             {
     34                 return "";
     35             }
     36             int pageCount = totalCount / pageSize;
     37             if (pageCount < 1)
     38             {
     39                 return "";
     40             }
     41             if (totalCount % pageSize > 0)
     42             {
     43                 pageCount += 1;
     44             }
     45             if (pageCount <= 1)
     46             {
     47                 return "";
     48             }
     49             StringBuilder pageStr = new StringBuilder();
     50             string pageId = "__id__";
     51             //<li class="foo_syy">上一页</li> <li class="foo_xyy">下一页</li>
     52             string firstBtn = "<li class="foo_syy"><a href="" + ReplaceStr(linkUrl, pageId, (pageIndex - 1).ToString()) + "">上一页</a></li>";
     53             string lastBtn = "<li class="foo_xyy"><a href="" + ReplaceStr(linkUrl, pageId, (pageIndex + 1).ToString()) + "">下一页</a></li>";
     54             string firstStr = "<li class="foo_ys"><a href="" + ReplaceStr(linkUrl, pageId, "1") + "">1</a></li>";
     55             string lastStr = "<li class="foo_ys"><a href="" + ReplaceStr(linkUrl, pageId, pageCount.ToString()) + "">" + pageCount.ToString() + "</a>";
     56 
     57             if (pageIndex <= 1)
     58             {
     59                 firstBtn = "<li class="foo_syy"><span class="disabled">上一页</span></li>";
     60             }
     61             if (pageIndex >= pageCount)
     62             {
     63                 lastBtn = "<li class="foo_xyy"><span class="disabled">下一页</span></li>";
     64             }
     65             if (pageIndex == 1)
     66             {
     67                 firstStr = "<li class="foo_ys"><span class="current">1</span></li>";
     68             }
     69             if (pageIndex == pageCount)
     70             {
     71                 lastStr = "<li class="foo_ys"><span class="current">" + pageCount.ToString() + "</span></li>";
     72             }
     73             int firstNum = pageIndex - (centSize / 2); //中间开始的页码
     74             if (pageIndex < centSize)
     75                 firstNum = 2;
     76             int lastNum = pageIndex + centSize - ((centSize / 2) + 1); //中间结束的页码
     77             if (lastNum >= pageCount)
     78                 lastNum = pageCount - 1;
     79             pageStr.Append(firstBtn + firstStr);
     80             if (pageIndex >= centSize)
     81             {
     82                 pageStr.Append("<li class="foo_ys"><span>...</span></li>");
     83             }
     84             for (int i = firstNum; i <= lastNum; i++)
     85             {
     86                 if (i == pageIndex)
     87                 {
     88                     pageStr.Append("<li class="foo_ys"><span class="current">" + i + "</span></li>");
     89                 }
     90                 else
     91                 {
     92                     pageStr.Append("<li class="foo_ys"><a href="" + ReplaceStr(linkUrl, pageId, i.ToString()) + "">" + i + "</a></li>");
     93                 }
     94             }
     95             if (pageCount - pageIndex > centSize - ((centSize / 2)))
     96             {
     97                 pageStr.Append("<li class="foo_xyy"><span>...</span></li>");
     98             }
     99             pageStr.Append(lastStr + lastBtn);
    100             return pageStr.ToString();
    101         }
    102         #endregion
    View Code
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  • 原文地址:https://www.cnblogs.com/tomsense/p/Tomsense.html
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