sql server存储过程分页

Create PROCEDURE [dbo].[Table_GetList]
 @WhereStr     nvarchar(256) = '',   -- 查询条件(注意: 不要加 WHERE)
 @OrderStr    nvarchar(128) = '',   -- 设置排序
 @PageIndex    int = 1,              -- 页尺寸
 @PageSize     int = 0 ,             -- 页码
 @RecordCount int output             -- 总的记录数
AS      

DECLARE @TableName    nvarchar(32)       -- 表名
DECLARE @PriKeyName   nvarchar(32)       -- 主键列或标示列
DECLARE @FldNames     nvarchar(512)      -- 字段名,多个字段通过逗号分割      

DECLARE @StrByPage nvarchar(1024)        -- 分页查询语句
DECLARE @StrNoPage nvarchar(512)      -- 不分页查询语句，获得所有符合条件的记录
DECLARE @StrTotal nvarchar(512)          -- 统计符合条件的纪录数
DECLARE @StrNonResult nvarchar(512)      -- 返回空记录的语句
DECLARE @StrTmp nvarchar(128)
DECLARE @StrOrder nvarchar(128)
DECLARE @TotalPage int      

SET @TableName = 'ProductActions as b'
SET @PriKeyName = 'ActionID'
SET @FldNames = 'b.*'
SET @TotalPage = 0       

--不传值默认主键降序
IF @OrderStr is null or @OrderStr=''
SET @OrderStr = ''       

IF @OrderStr = '' -- 升序
BEGIN
    SET @StrTmp = @PriKeyName + '>(SELECT max([' + @PriKeyName + ']) FROM '
    SET @StrOrder = ' order by ' + @PriKeyName + ' asc'
END
ELSE IF @OrderStr = '' -- 降序
BEGIN
    SET @StrTmp = @PriKeyName + '<(SELECT min([' + @PriKeyName + ']) FROM '
    SET @StrOrder = ' order by ' + @PriKeyName + ' desc'
END
ELSE -- 用户自定义排序规则
BEGIN
    SET @StrTmp = ''
    SET @StrOrder = ' order by ' + @OrderStr
END
SET @StrNonResult = 'SELECT ' + @FldNames + ' FROM ' + @TableName + ' WHERE 1=2'
IF @WhereStr is null or @WhereStr = '' -- 如果没有额外的查询条件
BEGIN
 SET @StrTotal = N'SELECT @RecordCount = count(1) FROM ' + @TableName
 SET @StrNoPage = N'SELECT ' + @FldNames + ' FROM ' + @TableName + @StrOrder
END
ELSE
BEGIN
 SET @StrTotal = N'SELECT @RecordCount = count(1) FROM ' + @TableName + ' WHERE ' + @WhereStr
 SET @StrNoPage = N'SELECT ' + @FldNames + ' FROM ' + @TableName + ' WHERE ' + @WhereStr + @StrOrder
END      

-- 取得所有符合查询条件的记录数
EXEC sp_EXECuteSql @StrTotal,N'@RecordCount int output',@RecordCount output
-- 如果没有适合条件的记录时,提供一个空的记录集并退出查询
IF @RecordCount = 0
BEGIN
 SET @TotalPage = 0
 EXEC sp_EXECuteSql @StrNonResult
 RETURN 0
END
-- 执行查询，此时记录集不为空
IF @PageSize = 0   -- 当不需要分页时
BEGIN
 SET NOCOUNT ON
 SET @TotalPage = 0
 EXEC sp_EXECuteSql @StrNoPage
 RETURN
END
ELSE -- 当需要分页时
BEGIN
 SET NOCOUNT ON
 -- 得到记录的页数，并调整页号，分页从1开始
 SET @TotalPage=CEILING(cast(@RecordCount as float)/@PageSize)
 IF(@PageIndex>@TotalPage)
  SET @PageIndex=@TotalPage
 IF(@PageIndex <1)
  SET @PageIndex=1
 IF @PageIndex =1 -- 如果是第一页
 BEGIN
  IF @WhereStr=''
   SET @StrByPage = N'SELECT TOP ' + cast(@PageSize as varchar) + ' ' + @FldNames + ' FROM ' + @TableName + @StrOrder
  ELSE
   SET @StrByPage = N'SELECT TOP ' + cast(@PageSize as varchar) + ' ' + @FldNames + ' FROM ' + @TableName + ' WHERE ' + @WhereStr + @StrOrder
 END
 ELSE -- 以后页
 BEGIN      

  IF (@OrderStr='' or @OrderStr='') -- 按主键升序或降序
  BEGIN
   IF @WhereStr=''
    SET @StrByPage = N'SELECT TOP ' + cast(@PageSize as varchar) + ' ' + @FldNames
     + ' FROM ' + @TableName
     + ' WHERE ' + @StrTmp
     + ' (SELECT TOP ' + cast((@PageIndex-1) * @PageSize as varchar) + ' ' + @PriKeyName
     + ' FROM ' + @TableName + @StrOrder + ') as tmptbl)'
     + @StrOrder
   ELSE
    SET @StrByPage = N'SELECT TOP ' + cast(@PageSize as varchar) + ' ' + @FldNames
     + ' FROM ' + @TableName
     + ' WHERE ' + @StrTmp
     + ' (SELECT TOP '+ cast((@PageIndex-1) * @PageSize as varchar) + ' ' + @PriKeyName
     + ' FROM ' + @TableName + ' WHERE ' + @WhereStr + @StrOrder + ') as tmptbl)'
     + ' and ' + @WhereStr
     + @StrOrder
  END
  ELSE  -- 没有排序规则或者用户自定义规则
  BEGIN
   IF @WhereStr=''
    SET @StrByPage = N'WITH cte AS('
    + ' SELECT ROW_NUMBER() OVER('+@StrOrder+') AS ROWNUMBER ,' + @FldNames
    + ' FROM '+ @TableName
    + ') SELECT * FROM cte WHERE ROWNUMBER BETWEEN '
    + CAST(((@PageIndex -1) * @PageSize +1) AS varchar) + ' AND '
    + CAST(@PageIndex * @PageSize AS varchar)
   ELSE
    SET @StrByPage = N'WITH cte AS('
    + ' SELECT ROW_NUMBER() OVER('+@StrOrder+') AS ROWNUMBER ,' + @FldNames
    + ' FROM '+ @TableName + ' WHERE ' + @WhereStr
    +') SELECT * FROM cte WHERE ROWNUMBER BETWEEN '
    + CAST(((@PageIndex -1) * @PageSize +1) AS varchar) + ' AND '
    + CAST(@PageIndex * @PageSize AS varchar)
  END
 END      

END      

--PRINT @StrByPage
EXEC sp_executeSql @StrByPage
RETURN