MVC默认路由实现分页-PagerExtend.dll

  1 using System;
  2 using System.Collections.Generic;
  3 using System.Linq;
  4 using System.Text;
  5 using System.Threading.Tasks;
  6 using System.Web.Mvc;
  7 
  8 namespace PagerExtend
  9 {
 10     public static class HtmlHelperExtensions
 11     {
 12 
 13         #region 分页扩展 PageExtend
 14 
 15         /// <summary>
 16         /// 分页option属性
 17         /// </summary>
 18         public class MoPagerOption
 19         {
 20             /// <summary>
 21             /// 当前页  必传
 22             /// </summary>
 23             public int CurrentPage { get; set; }
 24             /// <summary>
 25             /// 总条数  必传
 26             /// </summary>
 27             public int Total { get; set; }
 28 
 29             /// <summary>
 30             /// 分页记录数（每页条数 默认每页15条）
 31             /// </summary>
 32             public int PageSize { get; set; }
 33 
 34             /// <summary>
 35             /// 路由地址(格式如：/Controller/Action) 默认自动获取
 36             /// </summary>
 37             public string RouteUrl { get; set; }
 38 
 39             /// <summary>
 40             /// 样式 默认 bootstrap样式 1
 41             /// </summary>
 42             public int StyleNum { get; set; }
 43         }
 44 
 45         /// <summary>
 46         /// 分页扩展方法
 47         /// </summary>
 48         /// <param name="helper">html试图</param>
 49         /// <param name="option">分页属性</param>
 50         /// <returns>html样式</returns>
 51         public static MvcHtmlString PageExtend(this HtmlHelper helper, MoPagerOption option)
 52         {
 53 
 54             if (option.PageSize <= 0) { option.PageSize = 15; }
 55             if (option.CurrentPage <= 0) { option.CurrentPage = 1; }
 56             if (option.Total <= 0) { return MvcHtmlString.Empty; }
 57 
 58             //总页数
 59             var totalPage = option.Total / option.PageSize + (option.Total % option.PageSize > 0 ? 1 : 0);
 60             if (totalPage <= 0) { return MvcHtmlString.Create("分页异常"); }
 61             //当前路由地址
 62             if (string.IsNullOrEmpty(option.RouteUrl))
 63             {
 64 
 65                 option.RouteUrl = helper.ViewContext.HttpContext.Request.RawUrl;
 66                 if (!string.IsNullOrEmpty(option.RouteUrl))
 67                 {
 68 
 69                     var lastIndex = option.RouteUrl.LastIndexOf("/");
 70                     option.RouteUrl = option.RouteUrl.Substring(0, lastIndex);
 71                 }
 72             }
 73             option.RouteUrl = option.RouteUrl.TrimEnd(‘/‘);
 74 
 75             //构造分页样式
 76             var sbPage = new StringBuilder(string.Empty);
 77             switch (option.StyleNum)
 78             {
 79                 case 2:
 80                     {
 81                         break;
 82                     }
 83                 default:
 84                     {
 85                         #region 默认样式
 86 
 87                         sbPage.Append("<nav>");
 88                         sbPage.Append("  <ul class=\"pagination\">");
 89                         sbPage.AppendFormat("       <li><a href=\"{0}/{1}\" aria-label=\"Previous\"><span aria-hidden=\"true\">&laquo;</span></a></li>",
 90                                                 option.RouteUrl,
 91                                                 option.CurrentPage - 1 <= 0 ? 1 : option.CurrentPage - 1);
 92 
 93                         for (int i = 1; i <= totalPage; i++)
 94                         {
 95 
 96                             sbPage.AppendFormat("       <li {1}><a href=\"{2}/{0}\">{0}</a></li>",
 97                                 i,
 98                                 i == option.CurrentPage ? "class=\"active\"" : "",
 99                                 option.RouteUrl);
100 
101                         }
102 
103                         sbPage.Append("       <li>");
104                         sbPage.AppendFormat("         <a href=\"{0}/{1}\" aria-label=\"Next\">",
105                                             option.RouteUrl,
106                                             option.CurrentPage + 1 > totalPage ? option.CurrentPage : option.CurrentPage + 1);
107                         sbPage.Append("               <span aria-hidden=\"true\">&raquo;</span>");
108                         sbPage.Append("         </a>");
109                         sbPage.Append("       </li>");
110                         sbPage.Append("   </ul>");
111                         sbPage.Append("</nav>");
112                         #endregion
113                     }
114                     break;
115             }
116 
117 
118             return MvcHtmlString.Create(sbPage.ToString());
119         }
120         #endregion
121     }
122 }

 1 @using PagerExtend
 2 @model IEnumerable<XinSheng.Api.Controllers.MoAirticle>
 3 
 4 <table>
 5     Url：@ViewBag.Url
 6 
 7     @foreach (var item in Model)
 8     {
 9         <tr>
10             <td>@item.Title</td>
11             <td>@item.Author</td>
12             <td>@item.CreateTime</td>
13         </tr>
14     }
15 </table>
16 
17 @Html.PageExtend(ViewBag.PagerOption as HtmlHelperExtensions.MoPagerOption)

 1 using PagerExtend;
 2 using System;
 3 using System.Collections.Generic;
 4 using System.Linq;
 5 using System.Web;
 6 using System.Web.Mvc;
 7 using System.Web.Security;
 8 
 9 namespace XinSheng.Api.Controllers
10 {
11 
12     [Serializable]
13     public class MoAirticle
14     {
15 
16         public string Title { get; set; }
17         public string Author { get; set; }
18         public DateTime CreateTime { get; set; }
19     }
20 
21     public class HomeController : Controller
22     {
23 
24         public ActionResult Index(int id)
25         {
26             ViewBag.Title = "测试 分页";
27 
28             List<MoAirticle> moAirticles = new List<MoAirticle>();
29 
30             for (int i = 1; i < 50; i++)
31             {
32 
33                 moAirticles.Add(new MoAirticle
34                 {
35                     Author = "神牛步行" + i,
36                     CreateTime = DateTime.Now,
37                     Title = "博客园之" + i
38                 });
39             }
40             ViewBag.Url = Request.RawUrl;
41 
42             //初始化分页基础信息
43             var option = new HtmlHelperExtensions.MoPagerOption
44            {
45 
46                CurrentPage = id,
47                PageSize = 15,
48                Total = moAirticles.Count
49            };
50             //动态传递分页属性
51             ViewBag.PagerOption = option;
52 
53             var articles = moAirticles.Skip((option.CurrentPage - 1) * option.PageSize).Take(option.PageSize).ToList();
54             return View(articles);
55         }
56     }
57 }