分页存储过程

------------------------------------
 --用途：支持任意排序的分页存储过程 
 --说明：
 ------------------------------------
 
 CREATE PROCEDURE [dbo].[UP_GetRecordByPageOrder]
 
 @tblName varchar(255),   -- 表名 
 @fldName varchar(255),   -- 显示字段名 
 @OrderfldName varchar(255), -- 排序字段名 
 @StatfldName varchar(255), -- 统计字段名 
 @PageSize int = 10,   -- 页尺寸 
 @PageIndex int = 1,   -- 页码 
 @IsReCount bit = 0,   -- 返回记录总数, 非 0 值则返回 
 @OrderType bit = 0,   -- 设置排序类型, 非 0 值则降序 
 @strWhere varchar(1000) = '' -- 查询条件 (注意: 不要加 where) 
 AS
 
 declare @strSQL varchar(6000) -- 主语句 
 declare @strTmp varchar(100)   -- 临时变量(查询条件过长时可能会出错，可修改100为1000)
 declare @strOrder varchar(400) -- 排序类型
 
 if @OrderType != 0 
 begin 
 set @strTmp = '<(select min' 
 set @strOrder = ' order by [' + @OrderfldName +'] desc' 
 end 
 else 
 begin 
 set @strTmp = '>(select max' 
 set @strOrder = ' order by [' + @OrderfldName +'] asc' 
 end
 
 set @strSQL = 'select top ' + str(@PageSize) + ' ' + @fldName + ' from [' 
 + @tblName + '] where [' + @OrderfldName + ']' + @strTmp + '([' 
 + @OrderfldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' [' 
 + @OrderfldName + '] from [' + @tblName + ']' + @strOrder + ') as tblTmp)' 
 + @strOrder
 
 if @strWhere != '' 
 set @strSQL = 'select top ' + str(@PageSize) + ' ' + @fldName + ' from [' 
 + @tblName + '] where [' + @OrderfldName + ']' + @strTmp + '([' 
 + @OrderfldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' [' 
 + @OrderfldName + '] from [' + @tblName + '] where ' + @strWhere + ' ' 
 + @strOrder + ') as tblTmp) and ' + @strWhere + ' ' + @strOrder
 
 if @PageIndex = 1 
 begin 
 set @strTmp = '' 
 if @strWhere != '' 
 set @strTmp = ' where ' + @strWhere
 
 set @strSQL = 'select top ' + str(@PageSize) + ' ' + @fldName + ' from [' 
 + @tblName + ']' + @strTmp + ' ' + @strOrder 
 end
 
 
 if @IsReCount != 0 
 set @strSQL = @strSQL+' select count(1) as Total from [' + @tblName + ']'
 
 if @strWhere!=''
 set @strSQL = @strSQL+' where ' + @strWhere
 exec (@strSQL)
 
  
 
 
 ------------------------------------
 --用途：分页存储过程(对有主键的表效率极高) 
 --说明：
 ------------------------------------
 
 CREATE PROCEDURE [dbo].[UP_GetRecordByPage]
     @tblName      varchar(255),       -- 表名
     @fldName      varchar(255),       -- 主键字段名
     @PageSize     int = 10,           -- 页尺寸
     @PageIndex    int = 1,            -- 页码
     @IsReCount    bit = 0,            -- 返回记录总数, 非 0 值则返回
     @OrderType    bit = 0,            -- 设置排序类型, 非 0 值则降序
     @strWhere     varchar(1000) = '' -- 查询条件 (注意: 不要加 where)
 AS
 
 declare @strSQL   varchar(6000)       -- 主语句
 declare @strTmp   varchar(100)        -- 临时变量(查询条件过长时可能会出错，可修改100为1000)
 declare @strOrder varchar(400)        -- 排序类型
 
 if @OrderType != 0
 begin
     set @strTmp = '<(select min'
     set @strOrder = ' order by [' + @fldName +'] desc'
 end
 else
 begin
     set @strTmp = '>(select max'
     set @strOrder = ' order by [' + @fldName +'] asc'
 end
 
 set @strSQL = 'select top ' + str(@PageSize) + ' * from ['
     + @tblName + '] where [' + @fldName + ']' + @strTmp + '(['
     + @fldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['
     + @fldName + '] from [' + @tblName + ']' + @strOrder + ') as tblTmp)'
     + @strOrder
 
 if @strWhere != ''
     set @strSQL = 'select top ' + str(@PageSize) + ' * from ['
         + @tblName + '] where [' + @fldName + ']' + @strTmp + '(['
         + @fldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['
         + @fldName + '] from [' + @tblName + '] where ' + @strWhere + ' '
         + @strOrder + ') as tblTmp) and ' + @strWhere + ' ' + @strOrder
 
 if @PageIndex = 1
 begin
     set @strTmp =''
     if @strWhere != ''
         set @strTmp = ' where ' + @strWhere
 
     set @strSQL = 'select top ' + str(@PageSize) + ' * from ['
         + @tblName + ']' + @strTmp + ' ' + @strOrder
 end
 
 if @IsReCount != 0
     set @strSQL = 'select count(*) as Total from [' + @tblName + ']'+' where ' + @strWhere
 
 exec (@strSQL)