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C【C#公共帮助类】分页逻辑处理类

编程日记 2023/09/23 21:42:23

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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 = 0;this.OnePageSize = 20;//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 == 0){BeginPage = 0;EndPage = 0;}else{int maxpage = count / pageSize;if (count % pageSize > 0){maxpage++;}if (index >= maxpage){index = maxpage;BeginPage = pageSize * index - pageSize + 1;EndPage = count;}else{BeginPage = pageSize * index - pageSize + 1;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 == 0){BeginPage = 0;EndPage = 0;}else{int maxpage = count / pageSize;if (count % pageSize > 0){maxpage++;}if (index >= maxpage){index = maxpage;BeginPage = pageSize * index - pageSize + 1;EndPage = count;}else{BeginPage = pageSize * index - pageSize + 1;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; }}
}