日期:2010-11-21  浏览次数:20501 次

结合一个存储过程,将分页做成最简单,请看以下源码

此分页类所操作的存储过程#region 此分页类所操作的存储过程
/**//*********************************************************
 *
 * 功能强大,配合以下这个存储过程
 *
 * *******************************************************/
/**//*
-- Pager 1,10,0,0, 'EmployeeID>2 and EmployeeID<5 ' , 'Employees','*','LastName',0
CREATE PROCEDURE Pager
    @PageIndex             int,--索引页 1
    @PageSize              int,--每页数量2
    @RecordCount        int out,--总行数3
    @PageCount             int out,--总页数4
    @WhereCondition         Nvarchar(1000),--查询条件5
    @TableName          nvarchar(500),--查询表名6
    @SelectStr          nvarchar(500) = '*',--查询的列7
    @Order              nvarchar(500),--排序的列8
    @OrderType            bit = 0,        -- 设置排序类型, 非 0 值则降序 9
    @Groupby            NVarChar(100) = ''
AS

declare  @strSQL   nvarchar(2000)     -- 主语句
declare @strTmp   nvarchar(1000)     -- 临时变量
declare @strOrder nvarchar(1000)       -- 排序类型

if @OrderType != 0
begin
    set @strTmp = '<(select min'
    set @strOrder = ' order by ' + @Order +' desc'
end
else
begin
    set @strTmp = '>(select max'
    set @strOrder = ' order by ' + @Order +' asc'
end

set @strSQL = 'select top ' + str(@PageSize) + ' ' + @SelectStr + ' from '
    + @TableName + ' where ' + @Order + '' + @strTmp + '(['
    + @Order + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['
    + @Order + '] from ' + @TableName + '' + @strOrder + ') as tblTmp)'
    + @Groupby + @strOrder

if @WhereCondition != ''
    set @strSQL = 'select top ' + str(@PageSize) + ' ' + @SelectStr + ' from '
        + @TableName + ' where ' + @Order + '' + @strTmp + '(['
        + @Order + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['
        + @Order + '] from ' + @TableName + ' where (' + @WhereCondition + ') '
        + @strOrder + ') as tblTmp) and (' + @WhereCondition + ') ' + @Groupby + @strOrder

if @PageIndex = 1
begin
    set @strTmp = ''
    if @WhereCondition != ''
        set @strTmp = ' where (' + @WhereCondition + ')'

    set @strSQL = 'select top ' + str(@PageSize) + ' ' + @SelectStr + ' from '
        + @TableName + '' + @strTmp + ' ' + @Groupby + @strOrder
end
exec (@strSQL)
--print @strSQL

    IF @WhereCondition <>''
        Begin
            SET @strTmp = 'SELECT -1 FROM ' + @TableName + ' Where ' + (@WhereCondition)
        End
&nb