存储过程加C#类分页,高效率的分页,有谁想用进来看

来源:互联网 发布:中国行政区域数据库 编辑:程序博客网 时间:2024/05/22 06:30

 using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

/// <summary>
/// PageNum 的摘要说明
/// </summary>
public class PageNum
{
    public PageNum()
    {
        //
        // TODO: 在此处添加构造函数逻辑
        //
    }

    /// <summary>
    ///
    /// </summary>
    /// <param name="pageurl">传递你需要分页的地址,类似于"ContributeManage.aspx?state=" + state + "&isdel=" + isdel + "&isCommend=" + isCommend + "",如果没有参数则请加上1=1参数</param>
    /// <param name="page">当前页码</param>
    /// <param name="total">总的页数</param>
    /// <param name="PageSize">每页显示的条数</param>
    /// <returns>分页代码,类似于共4页      首页 上一页  1  2  3  4  下一页  末页</returns>
    public static string CreatePage(string pageurl,int page,int total,int PageSize)
    {
        int allpage = 0;
        int next = 0;
        int pre = 0;
        int startcount = 0;
        int endcount = 0;
        string pagestr = "";

        if (page < 1) { page = 1; }
        //计算总页数
        if (PageSize != 0)
        {
            allpage = (total / PageSize);
            allpage = ((total % PageSize) != 0 ? allpage + 1 : allpage);
            allpage = (allpage == 0 ? 1 : allpage);
        }
        next = page + 1;
        pre = page - 1;
        startcount = (page + 5) > allpage ? allpage - 9 : page - 4;//中间页起始序号
        //中间页终止序号
        endcount = page < 5 ? 10 : page + 5;
        if (startcount < 1) { startcount = 1; } //为了避免输出的时候产生负数,设置如果小于1就从序号1开始
        if (allpage < endcount) { endcount = allpage; } //页码+5的可能性就会产生最终输出序号大于总页码,那么就要将其控制在页码数之内
        pagestr = "共" + allpage + "页&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";

        pagestr += page > 1 ? "<a href=/"" + pageurl + "&page=1/">首页</a>&nbsp;&nbsp;<a href=/"" + pageurl + "&page=" + pre + "/">上一页</a>" : "首页 上一页";
        //中间页处理,这个增加时间复杂度,减小空间复杂度
        for (int i = startcount; i <= endcount; i++)
        {
            pagestr += page == i ? "&nbsp;&nbsp;<font color=/"#ff0000/">" + i + "</font>" : "&nbsp;&nbsp;<a href=/"" + pageurl + "&page=" + i + "/">" + i + "</a>";
        }
        pagestr += page != allpage ? "&nbsp;&nbsp;<a href=/"" + pageurl + "&page=" + next + "/">下一页</a>&nbsp;&nbsp;<a href=/"" + pageurl + "&page=" + allpage + "/">尾页</a>" : " 下一页 尾页";
        pagestr += "&nbsp;&nbsp;跳转到:<input id='txtPageNum' type='text' size=3 value='" + page.ToString() + "' onkeyup=/"value=value.replace(/[^//d]/g,'')/" onbeforepaste=/"clipboardData.setData('text',clipboardData.getData('text').replace(/[^//d]/g,''))/"><input type='button' value='转到' name='goToPage' onclick=/"javascript:window.location.href='"+pageurl+"&page='+document.getElementById('txtPageNum').value;/">";
        return pagestr;
    }

}

这个是类,至于怎么用,很简单,得到所有数据的条数,然后每次传当前页码和总条数和分页url需要传参的带参数,再不明白的加我qq 243757045

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