使用MVCPager进行博客园首页列表数据的分页显示功能

 1 public class PagedList<T> : List<T>,IPagedList
 2     {
 3         public PagedList(IList<T> items, int pageIndex, int pageSize)//这是IList类型
 4         {
 5             PageSize = pageSize;
 6             TotalItemCount = items.Count;
 7             CurrentPageIndex = pageIndex;
 8             for (int i = StartRecordIndex - 1; i < EndRecordIndex; i++)
 9             {
10                 Add(items[i]);
11             }
12         }
13 
14         public PagedList(IEnumerable<T> items, int pageIndex, int pageSize, int totalItemCount)//这是IEnumerable类型，
                                                   //我们使用C#语言，所以要多添加这么一个类型
15         {
16             AddRange(items);
17             TotalItemCount = totalItemCount;
18             CurrentPageIndex = pageIndex;
19             PageSize = pageSize;
20         }
21 
22         public int CurrentPageIndex { get; set; }
23         public int PageSize { get; set; }
24         public int TotalItemCount { get; set; }
25         public int TotalPageCount { get { return (int)Math.Ceiling(TotalItemCount / (double)PageSize); } }
26         public int StartRecordIndex { get { return (CurrentPageIndex - 1) * PageSize + 1; } }
27         public int EndRecordIndex { get { return TotalItemCount > CurrentPageIndex * PageSize ? CurrentPageIndex * PageSize : TotalItemCount; } }
28     }

 1 public static class PageLinqExtensions
 2     {
 3         public static PagedList<T> ToPagedList<T>
 4             (
 5                 this IEnumerable<T> allItems,
 6                 int pageIndex,
 7                 int pageSize
 8             )
 9         {
10             if (pageIndex < 1)
11                 pageIndex = 1;
12             var itemIndex = (pageIndex-1) * pageSize;
13             var pageOfItems = allItems.Skip(itemIndex).Take(pageSize);
14             var totalItemCount = allItems.Count();
15             return new PagedList<T>(pageOfItems, pageIndex, pageSize, totalItemCount);
16         }
17     }

 1 @{
 2     Layout = null;
 3 }
 4 @using Webdiyer.WebControls.Mvc
 5 @model PagedList<Models.BlogInfo>
 6 @{
 7     foreach (Models.BlogInfo blogInfo in Model)
 8     {
 9     <div class="post_item">
10         <div class="digg">
11             <div class="diggit">
12                 <span class="diggnum">0</span>
13             </div>
14             <div class="clear">
15             </div>
16             <div class="digg_tip">
17             </div>
18         </div>
19         <div class="post_item_body">
20             <h3>
21                 <a href="@blogInfo.LinkUrl" target="_blank" class="titlelink">@blogInfo.Title</a>
22             </h3>
23             <p class="post_iteme_summary">
24                 @blogInfo.BlogContent ...
25             </p>
26             <div class="post_item_foot">
27                 <a class="lightblue" href="@blogInfo.LinkUrl">@blogInfo.AuthorID</a>
28                 @blogInfo.PublishTime.ToString()
29                 <span class="article_comment"><a class="gray" title="">评论(0)</a> </span><span class="article_view">
30                     <a class="gray">阅读(1)</a> </span>
31             </div>
32         </div>
33         <div class="clear">
34         </div>
35     </div>
36     }
37     
38     @Html.AjaxPager(Model, new PagerOptions()
39        {
40            PageIndexParameterName = "id",
41            ShowDisabledPagerItems = false,
42            ShowPageIndexBox = true
43        },
44     new AjaxOptions() { UpdateTargetId = "post_list", OnBegin = "function(){alert('Ajax OnBegin 事件被引发');}", OnComplete = "AjaxStop" })
45 }