分页字符串帮助类

  1    /// <summary>
  2     /// 分页字符串帮助类
  3     /// </summary>
  4     public static class PageStrHelper
  5     {
  6         /// <summary>
  7         /// 获取分页字符串
  8         /// </summary>
  9         /// <param name="pageindex">当前页</param>
 10         /// <param name="pageMaxcount">最大条数</param>
 11         /// <param name="pageSize">每页条数</param>
 12         /// <returns></returns>
 13         public static string CreatePageStr(int pageindex, int pageMaxcount, int pageSize)
 14         {
 15             int pageMax = (int)Math.Ceiling(pageMaxcount * 1.0 / 10);//最大页数
 16 
 17             if (pageMax <= 1)
 18             {
 19                 return "";
 20             }
 21             StringBuilder sb = new StringBuilder();
 22             if (pageindex == 1)
 23             {
 24                 sb.AppendFormat("<ul class='pagination'><li><a class='disabled  page'  aria-label='Previous' page='{0}'><span aria-hidden='true'>&laquo;</span></a></li>", pageindex);
 25             }
 26             else
 27             {
 28                 sb.AppendFormat("<ul class='pagination'><li><a class='page'  aria-label='Previous' page='{0}'><span aria-hidden='true'>&laquo;</span></a></li>", pageindex - 1);
 29             }
 30 
 31             if (pageMax <= 10 && pageMax >= 2)
 32             {
 33 
 34                 for (int i = 1; i <= pageMax; i++)
 35                 {
 36                     if (i == pageindex)
 37                     {
 38                         sb.AppendFormat("<li><a class='actpage btn  page' page='{0}'>{0}</a></li>", i);
 39                     }
 40                     else
 41                     {
 42                         sb.AppendFormat("<li><a class='page' page='{0}'>{0}</a></li>", i);
 43                     }
 44                 }
 45             }
 46             if (pageMax > 10)
 47             {
 48                 int first = 1;
 49                 int end = pageMax;
 50                 if (pageindex >= 4 && pageindex <= pageMax - 4)
 51                 {
 52                     first = pageindex - 4;
 53                     end = pageindex + 4;
 54                 }
 55                 if (pageindex == 3)
 56                 {
 57                     first = 1;
 58                     end = 10;
 59                 }
 60                 if (pageindex == 2)
 61                 {
 62                     first = 1;
 63                     end = 10;
 64                 }
 65                 if (pageindex == 1)
 66                 {
 67                     first = 1;
 68                     end = 10;
 69                 }
 70                 if (pageindex == pageMax)
 71                 {
 72                     first = pageMax - 9;
 73                     end = pageMax;
 74                 }
 75                 if (pageindex == pageMax - 1)
 76                 {
 77                     first = pageMax - 9;
 78                     end = pageMax;
 79                 }
 80                 if (pageindex == pageMax - 2)
 81                 {
 82                     first = pageMax - 9;
 83                     end = pageMax;
 84                 }
 85                 if (pageindex == pageMax - 3)
 86                 {
 87                     first = pageMax - 9;
 88                     end = pageMax;
 89                 }
 90                 for (int i = first; i <= end; i++)
 91                 {
 92                     if (i == pageindex)
 93                     {
 94                         sb.AppendFormat("<li><a class='actpage btn page' page='{0}'>{0}</a></li>", i);
 95                     }
 96                     else
 97                     {
 98                         sb.AppendFormat("<li><a class='page' page='{0}'>{0}</a></li>", i);
 99                     }
100 
101                 }
102             }
103 
104             if (pageindex == pageMax)
105             {
106                 sb.AppendFormat("<li><a class='disabled  page' aria-label='Next'  page='{0}'><span aria-hidden='true'>&raquo;</span></a></li></ul>", pageMax);
107             }
108             else
109             {
110                 sb.AppendFormat("<li><a class='page' aria-label='Next' page='{0}'><span aria-hidden='true'>&raquo;</span></a></li></ul>", pageindex + 1);
111             }
112 
113             return sb.ToString();
114         }
115     }
116 }