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超好用轻量级MVC分页控件JPager.Net

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超好用轻量级MVC分页控件JPager.Net

JPager.Net  MVC好用的轻量级分页控件,好用到你无法想象,轻量到你无法想象。

JPager.Net  MVC好用的轻量级分页控件,实现非常简单,使用也非常简单。

JPager.Net  MVC好用的轻量级分页控件,代码精心推敲,经多人反复建议修改,最终成型使用中。非常好用分享给大家。源代码一共放出来。先上个效果图:

JPager.Net  MVC好用的轻量级分页控件JPager.Net .dll核心代码

PagerInbase.cs

namespace JPager.Net
{
  /// 
  /// 分页基础类
  /// 
  public class PagerInbase
  {
    /// 
    /// 当前页
    /// 
    public int PageIndex { get; set; }

    /// 
    /// 页数
    /// 
    public int PageSize { get; set; }

    //跳过序列中指定数量的元素
    public int Skip => (PageIndex - 1) * PageSize;

    /// 
    /// 请求URL
    /// 
    public string RequetUrl => System.Web.HttpContext.Current.Request.Url.OriginalString;

    /// 
    /// 构造函数给当前页和页数初始化
    /// 
    public PagerInbase()
    {
      if (PageIndex == 0) PageIndex = 1;
      if (PageSize == 0) PageSize = 10;
    }
  }
}

PagerResult.cs

using System;
using System.Collections.Generic;
using System.Text;

namespace JPager.Net
{
  /// 
  /// ULR拼装
  /// 
  internal static class Exts
  {
    public static string GetUrl(this string url, int curIndex, int reps)
    {
      return url.Replace("pageindex=" + curIndex.ToString(), "pageindex=" + reps.ToString());
    }
  }

  /// 
  /// 分页核心代码
  /// 
  /// 
  public class PagerResult
  {
    public int Code { get; set; }
    public int Total { get; set; }
    public IEnumerable DataList { get; set; }     
    public int PageSize { get; set; }
    public int PageIndex { get; set; }
    public string RequestUrl { get; set; }

    /// 
    /// 分页页码Html
    /// 
    /// 默认样式:jpager
    /// 
    public string PagerHtml(string cssClass="jpager")
    {
      if (PageIndex == 0) PageIndex = 1;
      if (RequestUrl.IndexOf("?", StringComparison.Ordinal) == -1) RequestUrl += "?pageindex=1";
      else
      if (RequestUrl.IndexOf("&pageindex", StringComparison.Ordinal) == -1&& RequestUrl.IndexOf("?pageindex", StringComparison.Ordinal) == -1) RequestUrl += "&pageindex=1";
      
      var html = new StringBuilder();
      html.AppendFormat("", cssClass);
      var pageLen = Math.Ceiling((double)Total / PageSize);
      html.AppendFormat(" 首页 ", RequestUrl.GetUrl(PageIndex,1));
      html.AppendFormat(" 上页 ", RequestUrl.GetUrl(PageIndex, PageIndex < 2 ? 1 : PageIndex - 1));

      var si = PageIndex <= 6 ? 1 : PageIndex - 5;
      var ei = si + 9;

      while (si <= pageLen && si <= ei)
 html.AppendFormat(
   si == PageIndex
     ? " {1} "
     : " {1} ", RequestUrl.GetUrl(PageIndex, si), si++);

      html.AppendFormat(" 下页 ", RequestUrl.GetUrl(PageIndex, (int)(PageIndex > pageLen - 1 ? pageLen : PageIndex + 1)));

      html.AppendFormat(" 尾页 ",
 Math.Abs(Total) <= 0 
 ? RequestUrl.GetUrl(PageIndex, 1) 
 : RequestUrl.GetUrl(PageIndex, (int) pageLen));

      html.Append(@"");
      return html.ToString();

    }
    
  }

}

使用方法:

HomeController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web.Mvc;
using JPager.Net;
using JPager.Net.Web.Models;

namespace JPager.Net.Web.Controllers
{
  public class HomeController : Controller
  {
    public ActionResult Index(UserParams param)
    {

      //每页显示的条数默认10
      //param.PageSize = 10;

      //保存搜索条件
      ViewBag.SearchName = param.Name;
      ViewBag.SearchAge = param.Age;

      //获取数据集合
      var list = PageContent(); 

      //根据条件检索
      var query = param.Name!=null ? 
 list.Where(t=>t.Name.Contains(param.Name)).ToList() :
 list.ToList();

      //分页数据
      var data = query.Skip(param.Skip).Take(param.PageSize);

      //总页数
      var count = query.Count;

      var res = new PagerResult { Code = 0, DataList = data, Total = count,
 PageSize = param.PageSize,PageIndex = param.PageIndex,RequestUrl = param.RequetUrl};
      return View(res);
    }
     
    //测试数据   
    public List PageContent()
    {
      var list = new List();
      for (var t = 0; t < 10000; t++)
      {
 list.Add(new User
 {
   Id = t,
   Name = "Joye.net"+t.ToString(),
   Age = t + 10,
   Score = t,
   Address = "http://yinrq.cnblogs.com/",
   AddTime = DateTime.Now
 });
      }

      return list;
    }
  }
}

Models文件夹建User.cs和UserParams.cs

User.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace JPager.Net.Web.Models
{
  public class UserParams:JPager.Net.PagerInbase
  {
    public int Id { get; set; }
    public string Name { get; set; }
    public int ? Age { get; set; }
    public int Score { get; set; }
    public string Address { get; set; }
    public DateTime AddTime { get; set; }
  }
}

UserParams.cs

using System;

namespace JPager.Net.Web.Models
{
  public class User
  {
    public int Id { get; set; } 
    public string Name { get; set; }
    public int Age { get; set; }
    public int Score { get; set; }
    public string Address { get; set; }
    public DateTime AddTime { get; set; }
  }
}

view显示

@model JPager.Net.PagerResult
@{
  ViewBag.Title = "Index";
}

JPager.Net MVC好用的轻量级分页控件

  
    
  
  
    @foreach (JPager.Net.Web.Models.User item in Model.DataList)
    {
      
    }
  
ID Name Age Score Address AddTime
@item.Id @item.Name @item.Age @item.Score @item.Address @item.AddTime
@Html.Raw(Model.PagerHtml()) 共 @Model.Total 条

github:https://github.com/decadestory/JPager.Net 

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