分页逻辑处理类 PageCollection.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text; namespace Common
{
/// <summary>
/// 分页逻辑处理类
/// </summary>
public class PageCollection
{
/// <summary>
/// 总页数
/// </summary>
public int TotalPages { get; set; }
/// <summary>
/// 当前页面
/// </summary>
public int CurrentPage { get; set; }
/// <summary>
/// 每页的记录数
/// </summary>
public int OnePageSize { get; set; }
/// <summary>
/// 总记录数
/// </summary>
public long TotalRows { get; set; }
/// <summary>
/// 排序
/// </summary>
public string OrderBy { get; set; } /// <summary>
/// 构造无参默认为最大数
/// </summary>
public PageCollection()
{
this.CurrentPage = ;
this.OnePageSize = ;//默认最大行数20条
}
}
/// <summary>
/// 分页逻辑处理类 linq to entites
/// </summary>
public class PageInfo<TEntity> where TEntity : class
{
public PageInfo(int index, int pageSize, int count, List<TEntity> list,string url="")
{
Index = index;
PageSize = pageSize;
Count = count;
List = list;
Url = url;
//计算数据条数从开始到结束的值
if (count == )
{
BeginPage = ;
EndPage = ;
}
else
{
int maxpage = count / pageSize; if (count % pageSize > )
{
maxpage++;
}
if (index >= maxpage)
{
index = maxpage; BeginPage = pageSize * index - pageSize + ;
EndPage = count;
}
else
{
BeginPage = pageSize * index - pageSize + ;
EndPage = pageSize * index;
}
}
} public int Index { get; private set; }
public int PageSize { get; private set; }
public int Count { get; private set; }
public List<TEntity> List { get; set; }
public string Url { get; set; }
public int BeginPage { get; private set; }
public int EndPage { get; private set; }
} /// <summary>
/// 分页逻辑处理类 dynamic
/// </summary>
public class PageInfo
{
public PageInfo(int index, int pageSize, int count, dynamic list, string url = "")
{
Index = index;
PageSize = pageSize;
Count = count;
List = list;
Url = url;
//计算数据条数从开始到结束的值
if (count == )
{
BeginPage = ;
EndPage = ;
}
else
{
int maxpage = count / pageSize; if (count % pageSize > )
{
maxpage++;
}
if (index >= maxpage)
{
index = maxpage; BeginPage = pageSize * index - pageSize + ;
EndPage = count;
}
else
{
BeginPage = pageSize * index - pageSize + ;
EndPage = pageSize * index;
}
}
} public int Index { get; private set; }
public int PageSize { get; private set; }
public int Count { get; private set; }
public dynamic List { get; private set; }
public string Url { get; set; }
public int BeginPage { get; private set; }
public int EndPage { get; private set; }
} /// <summary>
/// Eazyui分页处理逻辑类
/// </summary>
public class PageEazyUi
{
public PageEazyUi(int _page, int _pagesize, int _total, object _rows)
{
page = _page;
pagesize = _pagesize;
total = _total;
rows = _rows;
} public int page { get; private set; }
public int pagesize { get; private set; }
public int total { get; private set; }
public object rows { get; private set; }
}
}