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using System;
using System.Collections.Generic;
using System.Web;
using System.Text;
using System.Text.RegularExpressions;
namespace cofcms
{
public class PagingCollection<T>
{
private int pagezise;
public int Pagezise
{
get { return pagezise; }
set { pagezise = value; }
}
private int pageindex;
public int Pageindex
{
get { return pageindex; }
set { pageindex = value; }
}
private int TotalCount;
public int TotalCount1
{
get { return TotalCount; }
set { TotalCount = value; }
}
private int TotalPage=0;
public int TotalPage1
{
get { return TotalPage; }
set { TotalPage = value; }
}
private string url;
public string Url
{
get { return url; }
set { url = value; }
}
private string urlparms;
public string Urlparms
{
get {
return urlparms; }
set { urlparms = value; }
}
/// <summary>
/// 分页数据构造
/// </summary>
/// <param name="source"></param>
/// <param name="pageindex"></param>
/// <param name="pagezise"></param>
/// <param name="totalcount"></param>
/// <param name="url"></param>
public PagingCollection(int pageindex, int pagezise, int totalcount, string url)
{
this.pageindex = pageindex;
this.pagezise = pagezise;
TotalCount = totalcount;
TotalPage = (int)Math.Ceiling(TotalCount / (double)pagezise);
this.url = url;
}
public PagingCollection(int pageindex, int pagezise, int totalcount, string url,string urlparms)
{
this.pageindex = pageindex;
this.pagezise = pagezise;
TotalCount = totalcount;
TotalPage = (int)Math.Ceiling(TotalCount / (double)pagezise);
this.url = url;
this.urlparms = urlparms;
}
#region 分页属性 返回分页数据
public string GetPatePar
{
get
{
if (TotalCount1 > 0)
{
StringBuilder str = new StringBuilder();
int startpage = (pageindex - 1) / 10 * 10 + 1;
int endpage = (pageindex - 1) / 10 * 10 + 10;
int x = endpage > TotalPage ? TotalPage : endpage;
str.Append("<div style=' color:#1E5494;'>共" + TotalPage1 + "页 / 当前第" + pageindex + "页 ");
if (HasPreviousPage)
{
str.Append("<a href=" + url + "?page=1" + GetURLParms + "" + urlparms + ">首页</a> ");
str.Append("<a href=" + url + "?page=" + (pageindex - 1) + GetURLParms + "" + urlparms + ">上一页</a>");
}
else
{
str.Append("<a href=#>首页 </a>");
str.Append("<a href=#>上一页</a>");
}
for (int i = startpage; i <= x; i++)
{
if (i == pageindex)
{
str.Append(string.Format("<a style='margin-left:3px; margin-right:3px;padding:2px 4px 2px 4px;color:red;border:1px solid #cccccc;background-color:#ffffff; '>" + i + "</a>"));
}
else
{
str.Append(string.Format("<a style='margin-left:3px; margin-right:3px;' href=" + url + "?page=" + i + GetURLParms + "" + urlparms + ">" + i + "</a>"));
}
}
if (HasNextPage)
{
str.Append("<a href=" + url + "?page=" + (pageindex + 1) + GetURLParms + "" + urlparms + ">下一页 </a>");
str.Append("<a href=" + url + "?page=" + TotalPage + GetURLParms + "" + urlparms + ">尾页</a>");
}
else
{
str.Append("<a href=#>下一页 </a>");
str.Append("<a href=#>尾页</a>");
}
str.Append("</div>");
return str.ToString();
}
else
{
return "<font color=red>暂无数据!</font>";
}
}
}
#endregion
/// <summary>
/// url重写
/// </summary>
private string GetURLParms
{
get
{
string query = HttpContext.Current.Request.Url.Query;
query = Regex.Replace(query, @"\?page=\d*", "", RegexOptions.Compiled);
return query;
}
}
/// <summary>
///判断是否有上一页
/// </summary>
public bool HasPreviousPage
{
get
{
return (pageindex > 1);
}
}
/// <summary>
///判断是否有下一页
/// </summary>
public bool HasNextPage
{
get
{
return (pageindex < TotalPage);
}
}
}
/// <summary>
/// 分页数据类
/// </summary>
/// <typeparam name="T"></typeparam>
public class PageBean<T>
{
IList<T> datasource = new List<T>();
public IList<T> Datasource
{
get { return datasource; }
set { datasource = value; }
}
int pagesum;
public int Pagesum
{
get { return pagesum; }
set { pagesum = value; }
}
public PageBean(IList<T> datasource, int pagesum)
{
this.datasource = datasource;
this.pagesum = pagesum;
}
public PageBean()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
}
}