SQL分页

CREATE PROCEDURE [dbo].[CD_Pager]
(
    @recordTotal INT OUTPUT,            --输出记录总数
    @viewName VARCHAR(800),        --表名
    @fieldName VARCHAR(800) = '*',        --查询字段
    @pageSize INT = 20,                    --每页记录数
    @pageNo INT =1,                    --当前页
    @orderString VARCHAR(200),        --排序条件
    @whereString VARCHAR(800) = '1=1'        --WHERE条件
)
AS
BEGIN
     DECLARE @beginRow INT
     DECLARE @endRow INT
     DECLARE @tempLimit VARCHAR(200)
     DECLARE @tempCount NVARCHAR(1000)
     DECLARE @tempMain VARCHAR(1000)

     SET @beginRow = (@pageNo - 1) * @pageSize    + 1;
     SET @endRow = @pageNo * @pageSize;
     IF(@beginRow<1)
       BEGIN
         SET @beginRow=1;
       END
      IF(@endRow<1)
       BEGIN
         SET @endRow=1;
       END
     SET @tempLimit = 'rows BETWEEN ' + CAST(@beginRow AS VARCHAR) +' AND '+CAST(@endRow AS VARCHAR)
     
     --输出参数为总记录数
     SET @tempCount = 'SELECT @recordTotal = COUNT(1) FROM '+@viewName+' WHERE '+@whereString
     EXECUTE sp_executesql @tempCount,N'@recordTotal INT OUTPUT',@recordTotal OUTPUT
       
     --主查询返回结果集
     SET @tempMain = 'SELECT * FROM (SELECT ROW_NUMBER() OVER ('+@orderString+') AS rows ,'+@fieldName+' FROM '+@viewName+' WHERE '+@whereString+') AS main_temp WHERE '+@tempLimit
     
     --PRINT @tempMain
     EXECUTE (@tempMain)
END