SQL SERVER分页存储过程

CREATE PROCEDURE [dbo].[ProcGetPageData]
( @TableName VARCHAR(1000), –表名,多表是请使用 tA a inner join tB b On a.AID = b.AID
@PrimaryKey NVARCHAR(100), –主键，可以带表头 a.AID
@Fields NVARCHAR(2000) = ‘*’,–读取字段
@Condition NVARCHAR(3000) = ”,–Where条件
@CurrentPage INT = 1, –开始页码
@PageSize INT = 10, –页大小
@Sort NVARCHAR(200) = ”, –排序字段
@RecordCount INT = 0 OUT
)
AS
DECLARE @strWhere VARCHAR(2000)
DECLARE @strsql NVARCHAR(3900)
IF @Condition IS NOT NULL AND len(ltrim(rtrim(@Condition)))>0
BEGIN
SET @strWhere = ’ WHERE 1=1 ’ + @Condition + ’ ’
END
ELSE
BEGIN
SET @strWhere = ”
END

IF (charindex(ltrim(rtrim(@PrimaryKey)),@Sort)=0)
BEGIN
IF(@Sort=”)
SET @Sort = @PrimaryKey + ’ DESC ’
ELSE
SET @Sort = @Sort+ ’ , ‘+@PrimaryKey + ’ DESC ’
END
SET @strsql = ‘SELECT @RecordCount = Count(1) FROM ’ + @TableName + @strWhere
EXECUTE sp_executesql @strsql ,N’@RecordCount INT output’,@RecordCount OUTPUT
IF @CurrentPage = 1 –第一页提高性能
BEGIN
SET @strsql = ‘SELECT TOP ’ + str(@PageSize) +’ ‘+@Fields
+ ’ FROM ’ + @TableName + ’ ’ + @strWhere + ’ ORDER BY ‘+ @Sort
END
ELSE
**BEGIN
/* Execute dynamic query */
DECLARE @START_ID NVARCHAR(50)
DECLARE @END_ID NVARCHAR(50)
SET @START_ID = CONVERT(NVARCHAR(50),(@CurrentPage-1) * @PageSize + 1)
SET @END_ID = CONVERT(NVARCHAR(50),@CurrentPage * @PageSize)
SET @strsql = ’ SELECT
‘+@Fields+ ’
FROM ‘+@TableName + @strWhere +’
ORDER BY ‘+@Sort+’ OFFSET ‘+@START_ID+’ ROWS FETCH NEXT ’ + CONVERT(nvarchar(50),( CONVERT(int,@END_ID) - CONVERT(int,@START_ID))) +’ ROWS ONLY’
END**
EXEC(@strsql)
RETURN