分页存储过程
存储过程
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go
ALTER proc [dbo].[getRecordByPage]
@TotalPage int output,--总页数
@RowsCount int output,--总条数
@PageSize int,--每页多少数据
@CurrentPage int,--当前页数
@SelectFields nvarchar(1000),--select 语句但是不包含select
@IdField nvarchar(50),--主键列
@OrderField nvarchar(50),--排序字段,如果是多个字段，除最后一个字段外，后面都要加排序条件（asc/desc），不包含order by,最后一个排序字段不用加排序条件
@OrderType nvarchar(4),--1升序，0降序
@TableName nvarchar(200),--表名
@strWhere nvarchar(300)--条件
As
Begin
declare @RecordCount float
declare @PageNum int --分页依据数
Declare @Compare nvarchar(50)--比较字段区分min或者max
Declare @Compare1 nvarchar(2) --大于号“>” 或者小于号"<“
Declare @OrderSql nvarchar(10)--排序字段
declare @Sql nvarchar(4000)
Declare @TemSql nvarchar(1000)
Declare @nRd int
declare @afterRows int
declare @tempTableName nvarchar(10)
if(@OrderType='1')
Begin
set @OrderSql=' asc'
End
Else
Begin
set @OrderSql= ' desc'
End
if(isnull(@strWhere, '')<>'')
Set @strWhere = @strWhere
if(@strWhere='')
Set @strWhere=' 1=1 '
Set @TemSql='Select @RecordCount=Count(1) from '+@TableName +' where '+@strWhere
exec sp_executesql @TemSql,N'@RecordCount float output',@RecordCount output
Set @RowsCount=@RecordCount
Set @TotalPage= ceiling(@RecordCount/@PageSize)
if(@CurrentPage>@TotalPage)
Set @CurrentPage=@TotalPage
if(@CurrentPage<1)
Set @CurrentPage=1
if(@PageSize<1)
Set @PageSize=1
print(@RecordCount)
if(@CurrentPage=1)
Begin
set Rowcount @PageSize
set @Sql='select '+ @SelectFields +' from '+ @TableName +' where ' +@strWhere+' order by '+@OrderField +'
'+@OrderSql +','+@IdField +' desc'
--print(@Sql)
exec sp_executeSql @Sql
End
else if(@CurrentPage=@TotalPage)
begin
set @afterRows=@RowsCount-(@CurrentPage-1)*@PageSize
set RowCount @afterRows
if(@OrderType='1')
begin
set @OrderField=REPLACE(@OrderField,'asc','lai512343975')
set @OrderField=REPLACE(@OrderField,'desc','asc')
set @OrderField=REPLACE(@OrderField,'lai512343975','desc')
set @Sql='select ' + @SelectFields +' from '+ @TableName +' where ' +@strWhere+' order by '+@OrderField +' desc'+','+@IdField +' asc'
end
else
begin
set @OrderField=REPLACE(@OrderField,'desc','lai512343975')
set @OrderField=REPLACE(@OrderField,'asc','desc')
set @OrderField=REPLACE(@OrderField,'lai512343975','asc')
set @Sql='select ' + @SelectFields +' from '+ @TableName +' where ' +@strWhere+' order by '+@OrderField +' asc ' +','+@IdField+ ' asc,regdate desc'
print(@Sql)
end
--print(@Sql)
exec sp_executeSql @Sql
end
else
Begin
set @nRd=@PageSize* (@CurrentPage-1)
print(@nRd)
set RowCount @PageSize
set @Sql='select ' + @SelectFields +' from '+ @TableName +' where ' +@strWhere+' and '+@IdField + ' not in (select top '+ cast(@nRd as nvarchar(10))+' '+@IdField+' from '+@TableName+' where '+ @strWhere+' order by '+@OrderField +' '+@OrderSql+','+@IdField +' desc) ' + ' order by '+ @OrderField + ' ' +@OrderSql+','+@IdField +' desc'
exec sp_executeSql @Sql
--Print(@sql)
End
end
/// <summary>
/// 分页数据库操作函数
/// </summary>
/// <param name="TotalPage">总页数</param>
/// <param name="RowsCount">总条数</param>
/// <param name="PageSize">每页多少数据</param>
/// <param name="CurrentPage">当前页</param>
/// <param name="SelectFields">返回的列</param>
/// <param name="IdField">主键</param>
/// <param name="OrderField">排序字段,如果是多个字段，除最后一个字段外，后面都要加排序条件（asc/desc），不包含order by,最后一个排序字段不用加排序条件 </param>
/// <param name="OrderType">1升序，0降序</param>
/// <param name="TableName">表名</param>
/// <param name="strWhere">条件</param>
/// <returns></returns>
public static DataTable GetDataTableDuoDuo(int TotalPage, int RowsCount, int PageSize, int CurrentPage, string SelectFields, string IdField, string OrderField, string OrderType, string TableName, string strWhere)
{
SqlParameter[] param = new SqlParameter[]
{
new SqlParameter("@TotalPage", TotalPage),
new SqlParameter("@RowsCount", RowsCount),
new SqlParameter("@PageSize", PageSize),
new SqlParameter("@CurrentPage", CurrentPage),
new SqlParameter("@SelectFields", SelectFields),
new SqlParameter("@IdField", IdField),
new SqlParameter("@OrderField", OrderField),
new SqlParameter("@OrderType", OrderType),
new SqlParameter("@TableName",TableName),
new SqlParameter("@strWhere",strWhere)
};
return SqlHelper.ExecuteTable(CommandType.StoredProcedure, "getRecordByPage", param);
}
前台页面 分页字符串
/// <summary>
/// 获取分页字符串
/// </summary>
/// <param name="page">当前页码</param>
/// <param name="pageSize">页面大小</param>
/// <param name="Url">分页链接</param>
/// <param name="strWhere">查询条件</param>
/// <param name="tblName">数据表</param>
/// <param name="pageType">页面类型（文件夹名字）</param>
/// <param name="typeId">类别id</param>
/// <returns></returns>
public static string GoToPager(int page, int pageSize, string Url, string strWhere, string tblName, string pageType, int typeId)
{
if (tblName == null) goto Err;
DataTable tb = GetDataTable(strWhere, tblName);
int Count = Convert.ToInt32(tb.Rows[0]["Total"]); //取得总的记录数
StringBuilder strHtml = new StringBuilder();
int prevPage = page - 1; //上一页
int nextPage = page + 1; //下一页
int startPage;
int pageCount = (int)Math.Ceiling((double)Count / pageSize); //总页数
if (pageCount <= 1)
{
return "";
}
strHtml.Append("<div class=\"pg mar_top\">");
strHtml.Append("<p class=\"page\">");
if (prevPage < 1)
{
strHtml.Append("<span class=\"page1\">首页</span>");
strHtml.Append("<span class=\"page1\">上一页</span>");
}
else
{
strHtml.Append("<span class=\"page1\"><a title=\"\" href=\"" + Url + "1" + Base.BasePage.Config.Rewrite + "\">首页</a></span>");
strHtml.Append("<span class=\"page1\"><a title=\"\" href=\"" + Url + prevPage + Base.BasePage.Config.Rewrite + "\">上一页</a></span>");
}
if (page % 6 == 0)
{
startPage = page - 5;
}
else
{
startPage = page - page % 6 + 1;
}
if (startPage > 6)
{
strHtml.Append(@"<span><a href='");
strHtml.Append(Url);
strHtml.Append(startPage - 1 + Base.BasePage.Config.Rewrite);
strHtml.Append(@"'>...</a></span>");
}
for (int i = startPage; i < startPage + 6; i++)
{
if (i > pageCount) break;
if (i == page)
{
//strHtml.Append("<span class=\"page2\">" + i + "</span>");
}
else
{
//strHtml.Append("<span class=\"page1\"> <a href=" + Url + i + Base.BasePage.Config.Rewrite + ">" + i + "</a> </span>");
}
}
//if (pageCount >= startPage + 6) strHtml.Append(@"<span><a href='" + Url + (startPage + 6) + Base.BasePage.Config.Rewrite + "'>...</a></span>");
if (nextPage > pageCount)
{
strHtml.Append("<span class=\"page1\">下一页</span>");
strHtml.Append("<span class=\"page1\">末页</span>");
}
else
{
strHtml.Append("<span class=\"page1\"><a href='" + Url + nextPage + Base.BasePage.Config.Rewrite + "'>下一页</a></span>");
strHtml.Append("<span class=\"page1\"><a href='" + Url + pageCount + Base.BasePage.Config.Rewrite + "'>末页</a></span>");
}
strHtml.Append("当前页：<font class=\"f_c00\">" + page + "</font>/" + pageCount + "页 共<font class=\"f_c00\">" + Count + "</font>条");
strHtml.Append(" 转到<SELECT id=select1 LANGUAGE=javascript onchange=\"location.href=this.value\">");
strHtml.Append("<OPTION>请选择</OPTION>");
for (int i = 1; i <= pageCount; i++)
{
strHtml.Append("<OPTION value=\"" + Base.BasePage.Config.WebURL + "" + pageType + "/" +Url+ i + ".aspx\">第" + i + "页</OPTION>");
}
strHtml.Append("</SELECT>");
strHtml.Append("</p>");
strHtml.Append("</div>");
return strHtml.ToString();
Err:
return "缺少数据表或视图";
}