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超好用轻量级MVC分页控件JPager.Net_实用技巧_

2023-05-24 416人已围观

简介 超好用轻量级MVC分页控件JPager.Net_实用技巧_

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

Name: Age:
@foreach (JPager.Net.Web.Models.User item in Model.DataList) { }
IDNameAgeScoreAddressAddTime
@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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