华域联盟 .Net asp.net利用存储过程和div+css实现分页(类似于博客园首页分页)

asp.net利用存储过程和div+css实现分页(类似于博客园首页分页)

作者: sterben 发布: 2021年11月25日 38阅读 0评论

首先声明以下几点：

1、也许讲解有点初级，希望高手不要“喷”我，因为我知道并不是每一个人都是高手，我也怕高手们说我装13，小生不才；

2、如有什么不对的地方，还希望大家指出，一定虚心学习；

3、本文属于作者原创，尊重他人劳动成果，转载请注明作者，谢谢。

下面开讲：

　　首先说下思路，写一个存储过程，我也找了一个存储过程，不过不是我写的，出处：http://www.cnblogs.com/zhongweiv/archive/2011/10/31/JqueryPagination.html 这是一个通过jqurey+ajax实现无刷新分页的例子，应该也不错，因为有的时候要无刷新嘛，我用的存储过程就是从那里copy来的，但是我看了58.com还有一些其他的一些网站信息分页都不会通过无刷新的，所以我特地的写了一个有刷新的分页的方法，好了，先写一个存储过程，然后就是通过div+css来布局点页码传到该页面的参数的值了，思路是通过用StringBuilder类后台布局div以实现动态的页码，然后通过页码调用存储过程，得到相应的信息，最后就是一些细节了，不断的运行调试找出BUG并改正...

一、首先看下页面前台代码

复制代码 代码如下:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Page.aspx.cs" Inherits="Jquery.Page"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

<title>Tandy Tang有刷新分页...</title>

<style type="text/css">

/*分页部分 start*/

ul

{

margin:0px;

padding:0px;

}

.page

{

width:700px;

background-color:#ffffff;

height:50px;

margin-top:15px;

}

.page ul li

{

float:left;

display:block;

width:28px;

height:23px;

text-align:center;

margin-left:1px;

vertical-align:middle;

border-style:solid;

border-width:1px;

border-color:#b1add0;

}

.page ul li span

{

display:block;

width:28px;

height:23px;

background-color:#2d8da3;

}

.page ul li span a

{

color:#ffffff;

}

.page ul li a

{

display:block;

width:28px;

height:19px;

text-decoration:none;

color:#354c7e;

font-size:12px;

vertical-align:middle;

padding-top:4px;

}

.page ul li a:hover

{

background-color:#2d8da3;

display:block;

width:28px;

height:19px;

}

.page .point

{

background-color:#ffffff;

width:20px;

height:24px;

display:block;

border-style:solid;

border-width:0px;

border-color:#ffffff;

}

.page .pre

{

width:48px;

height:22px;

display:block;

text-align:center;

border-style:solid;

border-width:1px;

border-color:#b1add0;

}

.page .pre a:hover

{

background-color:#2d8da3;

display:block;

width:48px;

height:19px;

}

.page .next

{

width:48px;

height:22px;

display:block;

text-align:center;

border-style:solid;

border-width:1px;

border-color:#b1add0;

}

.page .next a:hover

{

background-color:#2d8da3;

display:block;

width:48px;

height:19px;

}

/*分页部分 end*/

/*内容部分 start*/

.content

{

width:700px;

height:120px;

border-style:solid;

border-width:1px;

border-color:#333333;

margin-bottom:10px;

}

.content_left

{

width:98px;

height:118px;

border-style:solid;

border-width:1px;

border-color:#333333;

float:left;

font-size:12px;

}

.content_right

{

margin-left:10px;

width:588px;

height:118px;

border-style:solid;

border-width:1px;

border-color:#0000ff;

float:left;

}

/*内容部分 end*/

</style>

</head>

<body>

<form id="form1" runat="server">

<div>

<asp:Label ID="lbl1" runat="server"></asp:Label><!--放内容-->

<asp:Label ID="lbl2" runat="server"></asp:Label><!--放页码-->

</div>

</form>

</body>

</html>

css没有用.css文件写是为了方便，呵呵……

二、再看下后台代码（因为我是用三层写的，所以我会把BLL层、DAL层以及Models层的代码也附上）

web(显示)后台.cs代码：

复制代码 代码如下:

public static int pageCount = 0;//总数可以用Session保存，避免每次都要查询，影响速度

public int pageindex;

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

//page页面索引，其他参数不变，默认从第一页开始

JBLL.JManage manage = new JBLL.JManage();

pageCount = Convert.ToInt32(manage.GetCount().Tables[0].Rows[0]["num"].ToString());

if (Request.QueryString["page"] == null)

{

pageindex=1;

}

else

{

pageindex = Convert.ToInt32(Request.QueryString["page"].ToString());

}

//加载信息和页面

GetInfo(pageindex, 10);

Paging(pageindex, 10);

}

}

/// <summary>

/// 加载数据

/// </summary>

private void GetInfo(int pageindex, int size)

{

string strall = "";

int count;

List<JModels.JPerson> list = new JBLL.JManage().GetAllPerson(size, pageindex, "", out count);

StringBuilder sb = new StringBuilder();

foreach (JModels.JPerson p in list)

{

sb.Append("<div class='content'><div class='content_left'>");

sb.Append(p.Name);

sb.Append("</div><div class='content_right'>");

sb.Append(p.Id.ToString());

sb.Append("</div></div>");

}

strall = sb.ToString();

lbl1.Text = strall;

}

private void Paging(int pageindex, int size)

{

string strpage = "";

StringBuilder sb = new StringBuilder();

sb.Append("<div class=\"page\"><ul>");

//需要判断是否启用

if (pageindex == 1)

{

sb.Append("<li class=\"pre\" style=\"display:none\"><a href=\"Page.aspx?page=" + (pageindex - 1) + "\">&lt;&lt;Prev</a></li>");

}

else

{

sb.Append("<li class=\"pre\"><a href=\"Page.aspx?page=" + (pageindex - 1) + "\">&lt;&lt;Prev</a></li>");

}

//页码数

int pageNum;

if (pageCount % size == 0)

{

pageNum = pageCount / size;

}

else

{

pageNum = pageCount / size + 1;

}

if (pageNum < 11)

{

for (int i = 1; i <= pageNum; i++)

{

if (i == pageindex)

{

sb.Append("<li><span><a href=\"Page.aspx?page=" + i + "\">" + i + "</a></span></li>");

}

else

{

sb.Append("<li><a href=\"Page.aspx?page=" + i + "\">" + i + "</a></li>");

}

}

}

else

{

//判断是否是前7页

if (pageindex > 0 && pageindex < 8)

{

for (int i = 1; i < 9; i++)

{

if (i == pageindex)

{

sb.Append("<li><span><a href=\"Page.aspx?page=" + i + "\">" + i + "</a></span></li>");

}

else

{

sb.Append("<li><a href=\"Page.aspx?page=" + i + "\">" + i + "</a></li>");

}

}

sb.Append("<li class=\"point\">...</li>");

sb.Append("<li><a href=\"Page.aspx?page=" + (pageNum - 1) + "\">" + (pageNum - 1) + "</a></li>");

sb.Append("<li><a href=\"Page.aspx?page=" + (pageNum) + "\">" + (pageNum) + "</a></li>");

}

else if (pageindex > 7 && pageindex < (pageNum - 6))

{

sb.Append("<li><a href=\"Page.aspx?page=1\">1</a></li>");

sb.Append("<li><a href=\"Page.aspx?page=2\">2</a></li>");

sb.Append("<li class=\"point\">...</li>");

sb.Append("<li><a href=\"Page.aspx?page=" + (pageindex - 3) + "\">" + (pageindex - 3) + "</a></li>");

sb.Append("<li><a href=\"Page.aspx?page=" + (pageindex - 2) + "\">" + (pageindex - 2) + "</a></li>");

sb.Append("<li><a href=\"Page.aspx?page=" + (pageindex - 1) + "\">" + (pageindex - 1) + "</a></li>");

sb.Append("<li><span><a href=\"Page.aspx?page=" + pageindex + "\">" + pageindex + "</a></span></li>");

sb.Append("<li><a href=\"Page.aspx?page=" + (pageindex + 1) + "\">" + (pageindex + 1) + "</a></li>");

sb.Append("<li><a href=\"Page.aspx?page=" + (pageindex + 2) + "\">" + (pageindex + 2) + "</a></li>");

sb.Append("<li class=\"point\">...</li>");

sb.Append("<li><a href=\"Page.aspx?page=" + (pageNum - 1) + "\">" + (pageNum - 1) + "</a></li>");

sb.Append("<li><a href=\"Page.aspx?page=" + (pageNum) + "\">" + (pageNum) + "</a></li>");

}

else

{

sb.Append("<li><a href=\"Page.aspx?page=1\">1</a></li>");

sb.Append("<li><a href=\"Page.aspx?page=2\">2</a></li>");

sb.Append("<li class=\"point\">...</li>");

for (int i = (pageNum - 7); i <= pageNum; i++)

{

if (i == pageindex)

{

sb.Append("<li><span><a href=\"Page.aspx?page=" + i + "\">" + i + "</a></span></li>");

}

else

{

sb.Append("<li><a href=\"Page.aspx?page=" + i + "\">" + i + "</a></li>");

}

}

}

}

//需要判断是否启用

if (pageindex == pageNum)

{

sb.Append("<li class=\"next\" style=\"display:none;\"><a href=\"Page.aspx?page=" + (pageindex + 1) + "\">Next&gt;&gt;</a></li>");

}

else

{

sb.Append("<li class=\"next\"><a href=\"Page.aspx?page=" + (pageindex + 1) + "\">Next&gt;&gt;</a></li>");

}

sb.Append("</ul></div>");

strpage = sb.ToString();

lbl2.Text = strpage;

}

BLL层(逻辑)代码：

复制代码 代码如下:

public class JManage

{

public DataSet GetCount()

{

return JDAL.JService.GetCount();

}

///<summary>

/// 记录总条数

///</summary>

///<returns></returns>

public DataSet GetCount(string where)

{

return JDAL.JService.GetCount(where);

}

///<summary>

/// 得到所有人

///</summary>

///<returns></returns>

public List<JModels.JPerson> GetAllPerson(int size, int index, string where, out int OutTotalCount)

{

return JDAL.JService.GetAllPerson(size, index, where, out OutTotalCount);

}

}

DAL层(数据处理)代码：

复制代码 代码如下:

public static DataSet GetCount()

{

string sql = "select count(*) as num from qzDatas";

return DBHelp.GetDataSetBySql(sql);

}

///<summary>

/// 记录总条数

///</summary>

///<returns></returns>

public static DataSet GetCount(string where)

{

string sql = "select count(*) as num from qzDatas where " + where + "";

return DBHelp.GetDataSetBySql(sql);

}

///<summary>

/// 得到所有人

///</summary>

///<returns></returns>

public static List<JModels.JPerson> GetAllPerson(int size, int index, string where, out int OutTotalCount)

{

JModels.JPerson person = null;

List<JModels.JPerson> list = new List<JModels.JPerson>();

DataTable dt = new DataTable();

string[] paramValue =

{

"qzDatas", //表明

"*", //返回字段

"qzDatasId", //主键标识列

where, //where条件

"qzDatasId asc", //排序必须跟有 asc 或 desc

"1", //排序规则 1:正序asc 2:倒序desc 3:多列排序方法

"0", //记录总数 0:会返回总记录

""+size, //页面大小

""+index //当前页

};

dt = DBHelp.SqlGetDataTable("P_AspNetPage", CommandType.StoredProcedure, paramValue, out OutTotalCount);

foreach (DataRow dr in dt.Rows)

{

person = new JModels.JPerson();

person.Id = Convert.ToInt32(dr["qzDatasId"]);

person.Name = dr["dataName"].ToString();

person.Imgurl = dr["url"].ToString();

person.Email = dr["dataName"].ToString();

list.Add(person);

}

return list;

}

Models层代码：

复制代码 代码如下:

public class JPerson

{

//id

private int id;

public int Id

{

get { return id; }

set { id = value; }

}

//名字

private string name;

public string Name

{

get { return name; }

set { name = value; }

}

//头像

private string imgurl;

public string Imgurl

{

get { return imgurl; }

set { imgurl = value; }

}

//Email

private string email;

public string Email

{

get { return email; }

set { email = value; }

}

}

以上代码我都有注释了，就不多解释了，但我相信应该还有改进的地方，尤其是web显示层的后台，添加页码那部分，肯定还有好办法，如果谁有好办法，希望能告诉我啊，大家一起学习嘛，谢谢。

三、看一下存储过程到底是怎么写的

复制代码 代码如下:

CREATE PROCEDURE [dbo].[P_AspNetPage]
/*

nzperfect [no_mIss] 高效通用分页存储过程(双向检索) 2007.5.7 QQ:34813284

敬告：适用于单一主键或存在唯一值列的表或视图

ps:Sql语句为8000字节,调用时请注意传入参数及sql总长度不要超过指定范围

*/

@TableName VARCHAR(200), --表名

@FieldList VARCHAR(2000), --显示列名，如果是全部字段则为*

@PrimaryKey VARCHAR(100), --单一主键或唯一值键

@Where VARCHAR(2000), --查询条件 不含'where'字符，如id>10 and len(userid)>9

@Order VARCHAR(1000), --排序 不含'order by'字符，如id asc,userid desc，必须指定asc或desc

--注意当@SortType=3时生效，记住一定要在最后加上主键，否则会让你比较郁闷

@SortType INT, --排序规则 1:正序asc 2:倒序desc 3:多列排序方法

@RecorderCount INT, --记录总数 0:会返回总记录

@PageSize INT, --每页输出的记录数

@PageIndex INT, --当前页数

@TotalCount INT OUTPUT, --记返回总记录

@TotalPageCount INT OUTPUT --返回总页数

AS

SET NOCOUNT ON

IF ISNULL(@TotalCount,'') = '' SET @TotalCount = 0

SET @Order = RTRIM(LTRIM(@Order))

SET @PrimaryKey = RTRIM(LTRIM(@PrimaryKey))

SET @FieldList = REPLACE(RTRIM(LTRIM(@FieldList)),'','')

WHILE CHARINDEX(', ',@Order) > 0 OR CHARINDEX(' ,',@Order) > 0

BEGIN

SET @Order = REPLACE(@Order,', ',',')

SET @Order = REPLACE(@Order,' ,',',')

END

IF ISNULL(@TableName,'') = '' OR ISNULL(@FieldList,'') = ''

OR ISNULL(@PrimaryKey,'') = ''

OR @SortType < 1 OR @SortType >3

OR @RecorderCount < 0 OR @PageSize < 0 OR @PageIndex < 0

BEGIN

PRINT('ERR_00')

RETURN

END

IF @SortType = 3

BEGIN

IF (UPPER(RIGHT(@Order,4))!=' ASC' AND UPPER(RIGHT(@Order,5))!=' DESC')

BEGIN PRINT('ERR_02') RETURN END

END

DECLARE @new_where1 VARCHAR(1000)

DECLARE @new_where2 VARCHAR(1000)

DECLARE @new_order1 VARCHAR(1000)

DECLARE @new_order2 VARCHAR(1000)

DECLARE @new_order3 VARCHAR(1000)

DECLARE @Sql VARCHAR(8000)

DECLARE @SqlCount NVARCHAR(4000)

IF ISNULL(@where,'') = ''

BEGIN

SET @new_where1 = ''

SET @new_where2 = ' WHERE '

END

ELSE

BEGIN

SET @new_where1 = ' WHERE ' + @where

SET @new_where2 = ' WHERE ' + @where + ' AND '

END

IF ISNULL(@order,'') = '' OR @SortType = 1 OR @SortType = 2

BEGIN

IF @SortType = 1

BEGIN

SET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' ASC'

SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' DESC'

END

IF @SortType = 2

BEGIN

SET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' DESC'

SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' ASC'

END

END

ELSE

BEGIN

SET @new_order1 = ' ORDER BY ' + @Order

END

IF @SortType = 3 AND CHARINDEX(','+@PrimaryKey+'',','+@Order)>0

BEGIN

SET @new_order1 = ' ORDER BY ' + @Order

SET @new_order2 = @Order + ','

SET @new_order2 = REPLACE(REPLACE(@new_order2,'ASC,','{ASC},'),'DESC,','{DESC},')

SET @new_order2 = REPLACE(REPLACE(@new_order2,'{ASC},','DESC,'),'{DESC},','ASC,')

SET @new_order2 = ' ORDER BY ' + SUBSTRING(@new_order2,1,LEN(@new_order2)-1)

IF @FieldList <> '*'

BEGIN

SET @new_order3 = REPLACE(REPLACE(@Order + ',','ASC,',','),'DESC,',',')

SET @FieldList = ',' + @FieldList

WHILE CHARINDEX(',',@new_order3)>0

BEGIN

IF CHARINDEX(SUBSTRING(','+@new_order3,1,CHARINDEX(',',@new_order3)),','+@FieldList+',')>0

BEGIN

SET @FieldList =

@FieldList + ',' + SUBSTRING(@new_order3,1,CHARINDEX(',',@new_order3))

END

SET @new_order3 =

SUBSTRING(@new_order3,CHARINDEX(',',@new_order3)+1,LEN(@new_order3))

END

SET @FieldList = SUBSTRING(@FieldList,2,LEN(@FieldList))

END

END

SET @SqlCount = 'SELECT @TotalCount=COUNT(*),@TotalPageCount=CEILING((COUNT(*)+0.0)/'

+ CAST(@PageSize AS VARCHAR)+') FROM ' + @TableName + @new_where1

IF @RecorderCount = 0

BEGIN

EXEC SP_EXECUTESQL @SqlCount,N'@TotalCount INT OUTPUT,@TotalPageCount INT OUTPUT',

@TotalCount OUTPUT,@TotalPageCount OUTPUT

END

ELSE

BEGIN

SELECT @TotalCount = @RecorderCount

END

IF @PageIndex > CEILING((@TotalCount+0.0)/@PageSize)

BEGIN

SET @PageIndex = CEILING((@TotalCount+0.0)/@PageSize)

END

IF @PageIndex = 1 OR @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize)

BEGIN

IF @PageIndex = 1 --返回第一页数据

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + '' + @FieldList + ' FROM '

+ @TableName + @new_where1 + @new_order1

END

IF @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize) --返回最后一页数据

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + '' + @FieldList + ' FROM ('

+ 'SELECT TOP ' + STR(ABS(@PageSize*@PageIndex-@TotalCount-@PageSize))

+ '' + @FieldList + ' FROM '

+ @TableName + @new_where1 + @new_order2 + ' ) AS TMP '

+ @new_order1

END

END

ELSE

BEGIN

IF @SortType = 1 --仅主键正序排序

BEGIN

IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + '' + @FieldList + ' FROM '

+ @TableName + @new_where2 + @PrimaryKey + ' > '

+ '(SELECT MAX(' + @PrimaryKey + ') FROM (SELECT TOP '

+ STR(@PageSize*(@PageIndex-1)) + '' + @PrimaryKey

+ ' FROM ' + @TableName

+ @new_where1 + @new_order1 +' ) AS TMP) '+ @new_order1

END

ELSE --反向检索

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + '' + @FieldList + ' FROM ('

+ 'SELECT TOP ' + STR(@PageSize) + ''

+ @FieldList + ' FROM '

+ @TableName + @new_where2 + @PrimaryKey + ' < '

+ '(SELECT MIN(' + @PrimaryKey + ') FROM (SELECT TOP '

+ STR(@TotalCount-@PageSize*@PageIndex) + '' + @PrimaryKey

+ ' FROM ' + @TableName

+ @new_where1 + @new_order2 +' ) AS TMP) '+ @new_order2

+ ' ) AS TMP ' + @new_order1

END

END

IF @SortType = 2 --仅主键反序排序

BEGIN

IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + '' + @FieldList + ' FROM '

+ @TableName + @new_where2 + @PrimaryKey + ' < '

+ '(SELECT MIN(' + @PrimaryKey + ') FROM (SELECT TOP '

+ STR(@PageSize*(@PageIndex-1)) + '' + @PrimaryKey

+' FROM '+ @TableName

+ @new_where1 + @new_order1 + ') AS TMP) '+ @new_order1

END

ELSE --反向检索

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + '' + @FieldList + ' FROM ('

+ 'SELECT TOP ' + STR(@PageSize) + ''

+ @FieldList + ' FROM '

+ @TableName + @new_where2 + @PrimaryKey + ' > '

+ '(SELECT MAX(' + @PrimaryKey + ') FROM (SELECT TOP '

+ STR(@TotalCount-@PageSize*@PageIndex) + '' + @PrimaryKey

+ ' FROM ' + @TableName

+ @new_where1 + @new_order2 +' ) AS TMP) '+ @new_order2

+ ' ) AS TMP ' + @new_order1

END

END

IF @SortType = 3 --多列排序，必须包含主键，且放置最后，否则不处理

BEGIN

IF CHARINDEX(',' + @PrimaryKey + '',',' + @Order) = 0

BEGIN PRINT('ERR_02') RETURN END

IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + '' + @FieldList + ' FROM ( '

+ 'SELECT TOP ' + STR(@PageSize) + '' + @FieldList + ' FROM ( '

+ ' SELECT TOP ' + STR(@PageSize*@PageIndex) + '' + @FieldList

+ ' FROM ' + @TableName + @new_where1 + @new_order1 + ' ) AS TMP '

+ @new_order2 + ' ) AS TMP ' + @new_order1

END

ELSE --反向检索

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + '' + @FieldList + ' FROM ( '

+ 'SELECT TOP ' + STR(@PageSize) + '' + @FieldList + ' FROM ( '

+ ' SELECT TOP ' + STR(@TotalCount-@PageSize *@PageIndex+@PageSize) + '' + @FieldList

+ ' FROM ' + @TableName + @new_where1 + @new_order2 + ' ) AS TMP '

+ @new_order1 + ' ) AS TMP ' + @new_order1

END

END

END

EXEC(@Sql)

存储过程应该写得很详细了...我就不解释了。这个存储过程的用处很多啊，如果想实现无刷新的分页的话也是可以用的，调用的方法基本一样，大家可以自己试试。

　　好吧，到这里代码也基本上完成了，我认为主要的还是思路问题，思路有了就好办了，代码如果哪里有误或者有哪些更好的解决方案，请告诉我啊，一定虚心学习哈。下面看下效果图吧！效果图如下：

有一个注意点哦：进入页面的时候一定要给参数page一个值，不然的话，会出错，你懂的呀！如：http://localhost:60284/Page.aspx?page=88

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作者: sterben

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