基于Bootstrap的Asp.net Mvc 分页的实现(转)

最近写了一个mvc 的 分页，样式是基于 bootstrap 的 ，提供查询条件，不过可以自己写样式根据个人的喜好，以此分享一下。首先新建一个Mvc 项目，既然是分页就需要一些数据，我这 边是模拟了一些假的数据，实际的项目中都是在数据库中去取得的，很简单的数据：

public class User

{

public string Name { get; set; }

public int Age { get; set; }

}

取数据我这边是加了120个数据：

public List<User> GetData()

{

List<User> list = new List<User>();

string[] array = new string[]{ "Tom", "Joy", "James", "Kobe", "Jodan","LiLei", "Hanmeimei", "xiaoming","Danneil", "Forest", "Newbee", "Azure" };

for (int i = 0; i < 120; i++)

{

User user = new User();

user.Age = i;

user.Name = array[i / 10];

list.Add(user);

}

return list;

}

然后新建一个 PageModel类

/// <summary>

/// 有些属性我写成了虚的， 这样可以根据不同的需要去重写便于扩展

/// </summary>

public class BasePageModel

{

public string SearchKeyWord { get; set; }

/// <summary>

///点击分页是指向 Action 的名字 根据具体需要而定

/// </summary>

public virtual string ActionName

{

get

{

return "Index";

}

}

public int TotalCount { get; set; }

public int CurrentIndex { get; set; }

public int TotalPages

{

get

{

return (int)Math.Ceiling((double)TotalCount / (double)PageSize);

}

}

/// <summary>

/// 根据需要具体而定PageSize

/// </summary>

public virtual int PageSize

{

get { return 10; }

}

/// <summary>

///根据需要具体而定 分页显示最大的页数

/// </summary>

public virtual int DisplayMaxPages

{

get

{

return 10;

}

}

public bool IsHasPrePage

{

get

{

return CurrentIndex != 1;

}

}

public bool IsHasNextPage

{

get

{

return CurrentIndex != TotalPages;

}

}

}

再新建一个分布式图 建在Shared 文件夹里，代码如下：

@using MvcTest.Models

@model MvcTest.Models.BasePageModel

@{if (Model != null && Model.TotalPages != 0)

{

<ul class="pagination">

@{

@Url.CreatPageLiTag(Model, Model.CurrentIndex - 1, false, Model.IsHasPrePage, "«")

if (Model.TotalPages <= Model.DisplayMaxPages)

{

for (int i = 1; i < Model.TotalPages; i++)

{

@Url.CreatPageLiTag(Model, i, i == Model.CurrentIndex);

}

}

else

{

if (Model.CurrentIndex - 1 < 5)

{

for (int i = 1; i <= Model.DisplayMaxPages - 1; i++)

{

@Url.CreatPageLiTag(Model, i, i == Model.CurrentIndex);

}

@Url.CreatPageLiTag(Model, Model.CurrentIndex, false, false, "...");

}

else

{

@Url.CreatPageLiTag(Model, 1);

if (Model.CurrentIndex + (Model.DisplayMaxPages - 2) / 2 >= Model.TotalPages)

{

int page = Model.CurrentIndex - (Model.DisplayMaxPages - Model.TotalPages + Model.CurrentIndex - 1);

if (page > 1)

{

@Url.CreatPageLiTag(Model, Model.CurrentIndex, false, false, "...");

}

for (int i = page + 1; i < Model.TotalPages; i++)

{

@Url.CreatPageLiTag(Model, i, i == Model.CurrentIndex);

}

}

else

{

int page = Model.CurrentIndex - (Model.DisplayMaxPages - 2) / 2;

if (page > 2)

{

@Url.CreatPageLiTag(Model, Model.CurrentIndex, false, false, "...");

}

for (int i = page; i < Model.CurrentIndex + (Model.DisplayMaxPages - 2) / 2; i++)

{

@Url.CreatPageLiTag(Model, i, i == Model.CurrentIndex);

}

@Url.CreatPageLiTag(Model, Model.CurrentIndex, false, false, "...");

}

}

}

@Url.CreatPageLiTag(Model, Model.TotalPages, Model.TotalPages == Model.CurrentIndex)

@Url.CreatPageLiTag(Model, Model.CurrentIndex + 1, false, Model.IsHasNextPage, "»")

}

</ul>

}

}

以上就是分页的核心代码，包括了一些判断逻辑，其中的 @Url.CreatPageLiTag 我是写了一个扩展

public static class HtmlHelperExtensions

{

public static MvcHtmlString CreatPageLiTag(this UrlHelper urlHelper,

BasePageModel pageModel,

int index,

bool isCurrentIndex = false,

bool isDisable = true,

string content = "")

{

string url = urlHelper.Action(pageModel.ActionName, new { searchkey = pageModel.SearchKeyWord, index = index });

string activeClass = !isCurrentIndex ? string.Empty : "class='active'";

string disableClass = isDisable ? string.Empty : "class='disabled'";

url = isDisable ? "href='" + url + "'" : string.Empty;

string contentString = string.IsNullOrEmpty(content) ? index.ToString() : content;

return new MvcHtmlString("<li " + activeClass + disableClass + "><a " + url + ">" + contentString + "</a></li>");

}

}

在这里面里面 是生成<a/>标签的，样式可以自己定。无非就是一些css 的定义。

然后就在action 的方法里取数据

public ActionResult Index(string searchkey, string index)

{

if (string.IsNullOrEmpty(index))

index = "1";

if (string.IsNullOrEmpty(searchkey))

searchkey = string.Empty;

List<User> totalList = GetData().Where(p=>p.Name.ToLower().Contains(searchkey.ToLower())).ToList();

BasePageModel page = new BasePageModel() { SearchKeyWord = searchkey, CurrentIndex = Int32.Parse(index), TotalCount = totalList.Count };

List<User> pageList = totalList.Skip((page.CurrentIndex - 1) * page.PageSize).Take(page.PageSize).ToList();

ViewData["pagemodel"] = page;

return View(pageList);

}

前台代码：

@model List<MvcTest.Controllers.User>

@{

ViewBag.Title = "Index";

}

<h2>Data List</h2>

<form class="navbar-form navbar-right" name="searchform" action="@Url.Action("Index", new {index="1" }) method="post">

<div class="input-group">

<input type="text" id="searchkey" name="searchkey" class="form-control" placeholder="Search..." />

<span class="btn input-group-addon" onclick="document.searchform.submit();">

<span class="glyphicon glyphicon-search"></span>

</span>

</div>

</form>

<table class="table table-hover table-bordered table-condensed">

<thead>

<tr>

<th>Name</th>

<th>Age</th>

</tr>

</thead>

<tbody>

@foreach (var item in Model)

{

<tr>

<td>@item.Name</td>

<td>@item.Age</td>

</tr>

}

</tbody>

</table>

@Html.Partial("MvcPagerView", ViewData["pagemodel"])

Ok 搞定。效果如下：