HtmlHelper的扩展分页方法

 public interface IPageList
    {       
        /// 

        /// 第几页
        /// 
        int PageIndex { get; set; }

        /// 

        /// 每页记录数
        /// 
        int PageSize { get; set; }

        /// 

        /// 总页数
        /// 
        int PageTotal { get; }

        /// 

        /// 记录总数
        /// 
        long RecordTotal { get; set; }

        /// 

        /// 每页开始位置
        /// 
        long CurrentStart { get; }
        /// 

        /// 每页结束位置
        /// 
        long CurrentEnd { get; }
    }

public class PageList : List, IPageList
    {
        public PageList(IEnumerable source) : base(source)
        {

        }

        public PageList(IEnumerable source, int pageIndex, int pageSize, long recordTotal)
        {
            if (source != null)
            {
                this.AddRange(source);
            }

            PageIndex = pageIndex;
            PageSize = pageSize;
            RecordTotal = recordTotal;

        }

        public int PageIndex { get; set; }

        public int PageSize { get; set; }

        public long RecordTotal { get; set; }
       

        public int PageTotal
        {
            get
            {
               return  RecordTotal % PageSize == 0 ? (int)RecordTotal / PageSize : (int)RecordTotal / PageSize + 1;
            }
        }

        public long CurrentStart
        {
            get
            {
                return PageIndex * PageSize + 1;
            }
        }

        public long CurrentEnd
        {
            get
            {
                return (PageIndex + 1) * PageSize > RecordTotal ? RecordTotal : (PageIndex + 1) * PageSize;
            }
        }
    }

namespace System.Web.Mvc
{
    public static class ExtHelper
    {
        public static MvcHtmlString Pager(this HtmlHelper helper, IPageList list)
        {
            var redirectTo = helper.ViewContext.RequestContext.HttpContext.Request.Url.AbsolutePath;
            var output = new StringBuilder();
            if (list.PageTotal > 1)
            {
                output.AppendFormat("
");
                //处理首页连接  
                output.AppendFormat("首页 ", redirectTo, list.PageSize);

                if (list.PageIndex > 1)
                {//处理上一页的连接  
                    output.AppendFormat("上一页 ", redirectTo, list.PageIndex - 1, list.PageSize);
                }
                else
                {
                    output.Append("上一页");
                }

                output.Append(" ");
                int currint = 5;
                for (int i = 0; i <= 10; i++)
                {//一共最多显示10个页码，前面5个，后面5个  
                    if ((list.PageIndex + i - currint) >= 0 && (list.PageIndex + i - currint) < list.PageTotal)
                    {
                        if (currint == i)
                        {//当前页处理  
                            output.AppendFormat("{3} ", redirectTo, list.PageIndex, list.PageSize, list.PageIndex + 1);
                        }
                        else
                        {//一般页处理  
                            output.AppendFormat("{3} ", redirectTo, list.PageIndex + i - currint, list.PageSize, list.PageIndex + i - currint + 1);
                        }
                    }
                    output.Append(" ");
                }
                if (list.PageIndex 1)
                {//处理下一页的链接  
                    output.AppendFormat("下一页 ", redirectTo, list.PageIndex + 1, list.PageSize);
                }
                else
                {
                    output.Append("下一页");
                }
                output.Append(" ");
                if (list.PageIndex != list.PageTotal - 1)
                {
                    output.AppendFormat("末页 ", redirectTo, list.PageTotal - 1, list.PageSize);
                }
                output.Append(" ");
            }
            output.AppendFormat("第{0}页 / 共{1}页", list.PageIndex+1, list.PageTotal);//这个统计加不加都行  
            output.AppendFormat("");
            return new MvcHtmlString(output.ToString());
        }
    }
}

namespace MvcAppPager.Models
{
    public class Order
    {
        public long ID { get; set; }

        public string OrderNo { get; set; }

        public decimal WayFee { get; set; }

        public string EMS { get; set; }

    }
}

 public class HomeController : Controller
    {
        /// 

        /// 构造数据
        /// 
        List list = new List
            {
                new Order { ID = 1,OrderNo="20160510",WayFee=20,EMS="C01111"},
                new Order { ID = 2,OrderNo="20160512",WayFee=10,EMS="C01221"},
                new Order { ID = 3,OrderNo="20160515",WayFee=15,EMS="C03411"},
                new Order { ID = 4,OrderNo="20160518",WayFee=11,EMS="C01341"},
                new Order { ID = 5,OrderNo="20160520",WayFee=16,EMS="C01551"},
                new Order { ID = 6,OrderNo="20160521",WayFee=13,EMS="C02341"}
            };

        // GET: Home
        public ActionResult Index(int pageIndex = 0,int pageSize = 2)
        {
            List source = list.Skip(pageIndex * pageSize).Take(pageSize).ToList();
            PageList  orderList = new PageList(source, pageIndex, pageSize, list.Count);
            return View(orderList);
        }
    }

@model MvcAppPager.PageHelper.PageList

@{
    Layout = null;
}




    "viewport" cOntent=" />
    
    


    









            @foreach (var item in Model)
            {
                





            }
        
        
            
                
ID
                
订单号
                
运单号
                
运费
            
        
        
                    
@item.ID
                    
@item.OrderNo
                    
@item.EMS
                    
@item.WayFee
                
    

    @Html.Pager(Model)