.Net通用分页类(存储过程分页版,可以选择页码的显示样式,且有中英选择)

 

 

using System;
using System.Collections.Generic;
using System.Text;

/**//// <summary>
/// .Net通用分页类(存储过程分页版,可以选择页码的显示样式,且有中英选择)
/// 作者:启程 www.letwego.cn
/// 可用于任意用途,请保留作者信息，谢谢！
/// </summary>
namespace letwego.cn
{
    public class PageStore
    {
        初始构造#region 初始构造
        //PageStore()
        //{

        //}
        #endregion

        字段#region 字段

        /**//// <summary>
        /// 每页记录数
        /// </summary>
        private int _PageSize = 20;

        /**//// <summary>
        /// 需要获取第几页的数据,从 1 开始
        /// </summary>
        private int _PageIndex = 1;

        /**//// <summary>
        /// 总页数
        /// </summary>
        private int _PageCounts = 0;

        /**//// <summary>
        /// 总记录数
        /// </summary>
        private int _Counts = 0;

        /**//// <summary>
        /// 首页 显示样式
        /// </summary>
        private string _FirstStr = "";

        /**//// <summary>
        /// 上一页 显示样式
        /// </summary>
        private string _PrevStr = "";

        /**//// <summary>
        /// 下一页 显示样式
        /// </summary>
        private string _NextStr = "";

        /**//// <summary>
        /// 尾页 显示样式
        /// </summary>
        private string _LastStr = "";

        /**//// <summary>
        /// 跳转 的url链接
        /// </summary>
        private string _TurnUrlStr = "";

        /**//// <summary>
        /// 跳转的url链接的参数前面不要加问号和与号
        /// </summary>
        private string _Options = "";


        private string strCountww = "";   //共N条信息
        private string strPageww = "";    //第N页/共N页    
        private string strTurnww;   //跳转控件

        #endregion

        属性#region 属性
        /**//// <summary>
        /// 每页记录数
        /// </summary>
        public int PageSize
        {
            get { return _PageSize; }
            set { _PageSize = value; }
        }

        /**//// <summary>
        /// 需要获取第几页的数据,从 1 开始
        /// </summary>
        public int PageIndex
        {
            get { return _PageIndex; }
            set { _PageIndex = value; }
        }

        /**//// <summary>
        /// 总页数
        /// </summary>
        public int PageCounts
        {
            get { return _PageCounts; }
        }

        /**//// <summary>
        /// 总记录数
        /// </summary>
        public int Counts
        {
            get { return _Counts; }
            set { _Counts = value; }
        }

        /**//// <summary>
        /// 首页 显示样式
        /// </summary>
        public string FirstStr
        {
            get { return _FirstStr; }
            set { _FirstStr = value; }
        }

        /**//// <summary>
        /// 上一页 显示样式
        /// </summary>
        public string PrevStr
        {
            get { return _PrevStr; }
            set { _PrevStr = value; }
        }

        /**//// <summary>
        /// 下一页 显示样式
        /// </summary>
        public string NextStr
        {
            get { return _NextStr; }
            set { _NextStr = value; }
        }

        /**//// <summary>
        /// 尾页 显示样式
        /// </summary>
        public string LastStr
        {
            get { return _LastStr; }
            set { _LastStr = value; }
        }

        /**//// <summary>
        /// 跳转 的url链接
        /// </summary>
        public string TurnUrlStr
        {
            get { return _TurnUrlStr; }
            set { _TurnUrlStr = value; }
        }

        /**//// <summary>
        /// 跳转的url链接的参数前面不要加问号和与号
        /// </summary>
        public string Options
        {
            get { return _Options; }
            set { _Options = value; }
        }


        #endregion

        返回分页后的页码显示#region 返回分页后的页码显示
        /**//// <summary>
        /// 返回分页后的页码显示
        /// </summary>
        /// <param name="bolCount">是否显示 共N条信息</param>
        /// <param name="bolPage">是否显示 第N页/共N页</param>
        /// <param name="bolFirst">是否显示 首页</param>
        /// <param name="bolLast">是否显示 尾页</param>
        /// <param name="bolTurn">是否显示 跳转控件</param>
        /// <param name="IsChinese">是否 用中文显示</param>
        /// <param name="intStyle">样式选择</param>
        /// <param name="intShowNum">每页显示多少个数字</param>
        /// <returns>返回分页后的页码显示</returns>
        public string GetShowPageStr(bool bolCount, bool bolPage, bool bolFirst, bool bolLast, bool bolTurn, bool IsChinese, int intStyle, int intShowNum)
        {
            string strPageShowww = "";
            string _FirstStr2 = "";
            string _PrevStr2 = "";
            string _NextStr2 = "";
            string _LastStr2 = "";

            公共处理#region 公共处理
            //总页数
            _PageCounts = (_Counts + _PageSize - 1) / _PageSize;

            //超出最小页码
            if (_PageIndex < 1)
            {
                _PageIndex = 1;
            }

            //超出最大页码
            if (_PageIndex > _PageCounts)
            {
                _PageIndex = _PageCounts;
            }


            if (IsChinese)//中文分页
            {
                //跳转
                strTurnww = "<input value='" + _PageIndex.ToString() + "' id='txtPageGo' name='txtPageGo' type='text' style='width:35px;'><input name='btnGo' type='button' id='btnGo' value='跳转' onclick=\"javascript:window.location.href='" + _TurnUrlStr + "?Page=' + document.getElementById('txtPageGo').value + '" + "&" + Options + "'\">";
                //共N条信息
                strCountww = "共 " + _Counts.ToString() + " 条信息";
                //第N页/共N页
                strPageww = "第" + _PageIndex.ToString() + "页/共" + _PageCounts.ToString() + "页";

                //处理页码显示样式
                if (intStyle == 1)
                {
                    if (_FirstStr == "")
                    {
                        _FirstStr = "首页";
                    }
                    if (_PrevStr == "")
                    {
                        _PrevStr = "上一页";
                    }
                    if (_NextStr == "")
                    {
                        _NextStr = "下一页";
                    }
                    if (_LastStr == "")
                    {
                        _LastStr = "尾页";
                    }
                }
                else
                {
                    if (_FirstStr == "")
                    {
                        _FirstStr = " << ";
                    }
                    if (_PrevStr == "")
                    {
                        _PrevStr = " < ";
                    }
                    if (_NextStr == "")
                    {
                        _NextStr = " > ";
                    }
                    if (_LastStr == "")
                    {
                        _LastStr = " >> ";
                    }
                }
            }
            else//英文文分页
            {
                //跳转
                strTurnww = "<input value='" + _PageIndex.ToString() + "' id='txtPageGo' name='txtPageGo' type='text' style='width:35px;'><input name='btnGo' type='button' id='btnGo' value='Goto' onclick=\"javascript:window.location.href='" + _TurnUrlStr + "?Page=' + document.getElementById('txtPageGo').value + '" + "&" + Options + "'\">";
                //共N条信息
                strCountww = "Total " + _Counts.ToString() + " Infos";
                //第N页/共N页
                strPageww = " " + _PageIndex.ToString() + "/" + _PageCounts.ToString() + " ";

                //处理页码显示样式
                if (intStyle == 1)
                {
                    if (_FirstStr == "")
                    {
                        _FirstStr = " First ";
                    }
                    if (_PrevStr == "")
                    {
                        _PrevStr = " Previous ";
                    }
                    if (_NextStr == "")
                    {
                        _NextStr = " Next ";
                    }
                    if (_LastStr == "")
                    {
                        _LastStr = " Last ";
                    }
                }
                else
                {
                    if (_FirstStr == "")
                    {
                        _FirstStr = " << ";
                    }
                    if (_PrevStr == "")
                    {
                        _PrevStr = " < ";
                    }
                    if (_NextStr == "")
                    {
                        _NextStr = " > ";
                    }
                    if (_LastStr == "")
                    {
                        _LastStr = " >> ";
                    }
                }
            }
            #endregion
            
            //没有记录
            if (_Counts <= 0)
            {
                strPageShowww = strCountww;
            }
            //有记录
            else
            {
                //只有一页
                if (_PageCounts <= 1)
                {
                    strPageShowww = strCountww + "&nbsp;&nbsp;" + strPageww;
                }
                //不止一页
                else
                {
                    页码链接处理#region 页码链接处理
                    //第一页
                    if (_PageIndex == 1)
                    {
                        _FirstStr2 = _FirstStr;
                        _PrevStr2 = _PrevStr;
                    }
                    else
                    {
                        _FirstStr2 = "<a href=\"" + _TurnUrlStr + "?Page=1" + "&" + _Options + "\">" + _FirstStr + "</a>";
                        _PrevStr2 = "<a href=\"" + _TurnUrlStr + "?Page=" + Convert.ToString(_PageIndex - 1) + "&" + _Options + "\">" + _PrevStr + "</a>";
                    }

                    //最后一页
                    if (_PageIndex == _PageCounts)
                    {
                        _NextStr2 = _NextStr;
                        _LastStr2 = _LastStr;
                    }
                    else
                    {
                        _NextStr2 = "<a href=\"" + _TurnUrlStr + "?Page=" + Convert.ToString(_PageIndex + 1) + "&" + _Options + "\">" + _NextStr + "</a>";
                        _LastStr2 = "<a href=\"" + _TurnUrlStr + "?Page=" + _PageCounts + "&" + _Options + "\">" + _LastStr + "</a>";
                    }

                    //----处理显示页码-----------
                    if (bolCount == true)//共N条信息
                    {
                        strPageShowww = strPageShowww + "&nbsp;&nbsp;" + strCountww;
                    }
                    if (bolPage == true)//第N页/共N页
                    {
                        strPageShowww = strPageShowww + "&nbsp;&nbsp;" + strPageww;
                    }
                    if (bolFirst == true) //首页
                    {
                        strPageShowww = strPageShowww + "&nbsp;&nbsp;" + _FirstStr2;
                    }
                    strPageShowww = strPageShowww + "{0}";//上一页
                    strPageShowww = strPageShowww + "{1}{2}";//下一页

                    if (bolLast == true)//尾页
                    {
                        strPageShowww = strPageShowww + "&nbsp;&nbsp;" + _LastStr2;
                    }
                    if (bolTurn == true)//跳转控件
                    {
                        strPageShowww = strPageShowww + "&nbsp;&nbsp;" + strTurnww;
                    }

                    #endregion

                    样式一: 共X条信息 第N页/共M页 首页 上一页 下一页 尾页  跳转#region 样式一: 共X条信息 第N页/共M页 首页 上一页 下一页 尾页  跳转
                    if (intStyle == 1)
                    {
                        strPageShowww = strPageShowww.Replace("{0}", "&nbsp;&nbsp;" + _PrevStr2);//上一页
                        strPageShowww = strPageShowww.Replace("{1}", "&nbsp;&nbsp;" + _NextStr2);//下一页
                        strPageShowww = strPageShowww.Replace("{2}", "");//
                    }
                    #endregion

                    样式二: 共X条信息 第N页/共M页 首页 1 2 3 尾页 跳转#region 样式二: 共X条信息 第N页/共M页 首页 1 2 3 尾页 跳转

                    if (intStyle == 2)
                    {
                        int PageTemp = 0;
                        string strPageNum = "";
                        string strTempNow = "";

                        //当页码超过最后一批该显示
                        if (_PageIndex > _PageCounts - intShowNum + 1)
                        {
                            //链接页的Page值 (页码够显示一批时,第一个显示当前页;不够时第一个显示的就是所有页中的第一页)
                            PageTemp = _PageCounts < intShowNum ? 0 : _PageCounts - intShowNum;
                            for (int i = 1; i <= intShowNum; i++)
                            {
                                if (i > _PageCounts) break;

                                strTempNow = Convert.ToString(PageTemp + i);

                                //当前页不显示超链接
                                if( PageIndex == PageTemp + i)
                                {
                                    strPageNum = strPageNum + "<b>" + strTempNow + "</b>&nbsp;";
                                }
                                else
                                {
                                    strPageNum = strPageNum + "<a href=\"" + _TurnUrlStr + "?Page=" + strTempNow + "&" + _Options + "\">" + strTempNow + "</a>&nbsp;"; 
                                }
                            }
                        }
                        else
                        {
                            for (int i = 0; i < intShowNum; i++)
                            {
                                strTempNow = Convert.ToString(PageIndex + i);

                                //当前页不显示超链接
                                if (i == 0)
                                {
                                    strPageNum = strPageNum + "<b>" + strTempNow + "</b>&nbsp;";
                                }
                                else
                                {
                                    strPageNum = strPageNum + "<a href=\"" + _TurnUrlStr + "?Page=" + strTempNow + "&" + _Options + "\">" + strTempNow + "</a>&nbsp;";
                                }
                            }
                        }

                        //
                        strPageShowww = strPageShowww.Replace("{0}", "&nbsp;&nbsp;" + _PrevStr2);//上一页
                        strPageShowww = strPageShowww.Replace("{1}", "&nbsp;&nbsp;" + strPageNum);//显示数字
                        strPageShowww = strPageShowww.Replace("{2}", "&nbsp;&nbsp;" + _NextStr2);//下一页
                    }
                    #endregion

                    样式三: 共X条信息 第N页/共M页 首页 1 2 3 尾页 跳转 当前页码定位在第3位#region 样式三: 共X条信息 第N页/共M页 首页 1 2 3 尾页 跳转 当前页码定位在第3位

                    if (intStyle == 3)
                    {
                        int PageTemp = 0;
                        int intPlace = 2;//前面保持有两个,则当前页码定位在第3位
                        string strPageNum = "";
                        string strTempNow = "";

                        //当页码总数 <= 一页要显示的页码数
                        if (_PageCounts <= intShowNum)
                        {
                            for (int i = 1; i <= _PageCounts; i++)
                            {
                                strTempNow = Convert.ToString(PageTemp + i);

                                //当前页不显示超链接
                                if (PageIndex == PageTemp + i)
                                {
                                    strPageNum = strPageNum + "<b>" + strTempNow + "</b>&nbsp;";
                                }
                                else
                                {
                                    strPageNum = strPageNum + "<a href=\"" + _TurnUrlStr + "?Page=" + strTempNow + "&" + _Options + "\">" + strTempNow + "</a>&nbsp;";
                                }
                            }
                        }
                        else
                        {
                            //当前页码 <= 固定位置 intPlace
                            if (_PageIndex <= intPlace)
                            {
                                for (int i = 1; i <= intShowNum; i++)
                                {
                                    strTempNow = Convert.ToString(i);

                                    //当前页不显示超链接
                                    if (_PageIndex == i)
                                    {
                                        strPageNum = strPageNum + "<b>" + strTempNow + "</b>&nbsp;";
                                    }
                                    else
                                    {
                                        strPageNum = strPageNum + "<a href=\"" + _TurnUrlStr + "?Page=" + strTempNow + "&" + _Options + "\">" + strTempNow + "</a>&nbsp;";
                                    }
                                }
                            }
                            //当前页码 >=最后一批该显示
                            else if (_PageIndex >= _PageCounts - intPlace + 1)
                            {
                                //第一个显示的数字
                                PageTemp = _PageCounts - intShowNum + 1;
                                for (int i = PageTemp; i <= _PageCounts; i++)
                                {
                                    if (i > _PageCounts) break;

                                    strTempNow = Convert.ToString(i);

                                    //当前页不显示超链接
                                    if (PageIndex == i)
                                    {
                                        strPageNum = strPageNum + "<b>" + strTempNow + "</b>&nbsp;";
                                    }
                                    else
                                    {
                                        strPageNum = strPageNum + "<a href=\"" + _TurnUrlStr + "?Page=" + strTempNow + "&" + _Options + "\">" + strTempNow + "</a>&nbsp;";
                                    }
                                }
                            }
                            else
                            {
                                for (int i = PageIndex - intPlace; i < PageIndex - intPlace + intShowNum; i++)
                                {
                                    strTempNow = Convert.ToString(i);

                                    //当前页不显示超链接
                                    if (i == PageIndex)
                                    {
                                        strPageNum = strPageNum + "<b>" + strTempNow + "</b>&nbsp;";
                                    }
                                    else
                                    {
                                        strPageNum = strPageNum + "<a href=\"" + _TurnUrlStr + "?Page=" + strTempNow + "&" + _Options + "\">" + strTempNow + "</a>&nbsp;";
                                    }
                                }
                            }
                        }

                        //
                        strPageShowww = strPageShowww.Replace("{0}", "&nbsp;&nbsp;" + _PrevStr2);//上一页
                        strPageShowww = strPageShowww.Replace("{1}", "&nbsp;&nbsp;" + strPageNum);//显示数字
                        strPageShowww = strPageShowww.Replace("{2}", "&nbsp;&nbsp;" + _NextStr2);//下一页
                    }
                    #endregion
                }
            }


           


            return strPageShowww;
        }
        #endregion
    }


    调用实例#region 调用实例
    /**//*
    protected void BindData()
    {
        int MyPage;
        string strPage = Request["page"];
        if (strPage == null || strPage == "")
        {
            MyPage = 1;
        }
        else
        {
            MyPage = Convert.ToInt32(strPage);
        }

        PageStore MyPageStore = new PageStore();
        MyPageStore.Counts = 100;//总记录数
        MyPageStore.PageIndex = MyPage;//当前要显示的页码
        MyPageStore.PageSize = 2;//每页显示记录数
        MyPageStore.TurnUrlStr = "WebPageStore.aspx";//要跳转的页面(当前页)
        MyPageStore.Options = "Options=List";//页面所带参数

        this.Label1.Text = MyPageStore.GetShowPageStr(true, true, true, true, true, true, 2, 4);
    }
    */
    #endregion

    简要说明#region 简要说明
    /**//*
    .Net通用分页类(存储过程分页版,可以选择页码的显示样式,且有中英选择).
    大概思路是:主要是利用存储过程在数据库进行分页,
    所以在这个类里面不涉及到数据的处理,只进行页码的显示格式处理,
    配合SQL2005 的 ROW_NUMBER () 功能,能够达到更好的效果.
    目前一共6种样式,6种样式里还可以设置参数,把页码显示调整到最简,只剩下 上一页 下一页,
    且 上一页 下一页 等文字可以自定义,用图片也可以,只是要把字符串拼成图片的Html
    效果图:http://www.cnblogs.com/images/cnblogs_com/84ww/128905/r_PageStore.gif
    */
    #endregion

    附 存储过程例子#region 附 存储过程例子
    /**//*
    CREATE PROCEDURE dbo.sp_userinfoList

        @strOptions varchar(200) = NULL,
        @PageSize int = 20,
        @PageIndex int = 1,
        @Counts int = 0 OUTPUT

    AS

    SET NOCOUNT ON
    SET ANSI_WARNINGS OFF


    DECLARE @PageUp int
    DECLARE @PageDown int    
    
    --处理页大小
    IF @PageSize = -1 SET @PageSize = 20

    --获得总记录数
    SELECT @Counts = COUNT(1) FROM userinfo

    --当前页的第一条记录RowID
    SET @PageDown = @PageSize * @PageIndex + 1

    --当前页的最后一条记录RowID
    SET @PageUp = @PageSize * (@PageIndex + 1)


    --  信息列表  
    IF @strOptions='LIST' BEGIN

        SELECT
            id,
            user,
            password,
            datetime,
            content
        FROM

        (
            SELECT * ,
            PageTableRowID = ROW_NUMBER () OVER (ORDER BY id DESC)
            FROM userinfo
        ) AS PageTableList
        WHERE PageTableRowID BETWEEN @PageDown AND @PageUp 
    END
    */
    #endregion
}