Sql分页存储过程

ALTER PROCEDURE [dbo].[sp_Common_Select] 
@TableName			NVARCHAR(200),	   --表名
    @SelectList         NVARCHAR(500),	   --欲选择字段列表
    @SearchCondition    NVARCHAR(2000),      --查询条件
    @OrderExpression    NVARCHAR(500),      --排序表达式
    @PageIndex          INT = 0,           --页号,从0开始
    @PageSize           INT = 10,          --页大小
	@TotalCount			INT OUTPUT,		   --记录总数
	@TotalPages			INT OUTPUT		   --页面总数
AS 
BEGIN
	--关闭返回计数
    SET NOCOUNT ON
	--设置Where条件
    SET @SearchCondition = ISNULL(@SearchCondition,'')
    SET @SearchCondition = LTRIM(RTRIM(@SearchCondition))
	IF ltrim(rtrim(@SearchCondition)) <> ''
    BEGIN
        SET @SearchCondition = N' WHERE ' + @SearchCondition
    END
	--获得记录总数
	DECLARE @SQL NVARCHAR(2000)
	SET @sql=N'SELECT @TotalCount=COUNT(*)'
        +N' FROM '+@tablename
		+' '+@SearchCondition 
    EXEC sp_executesql @sql,N'@TotalCount int OUTPUT',@TotalCount OUTPUT
--	set @TotalCount = 10
	IF @TotalCount % @PageSize = 0 
	  BEGIN 
	   SET @TotalPages = @TotalCount / @PageSize 
	  END 
	ELSE 
	 BEGIN 
	   SET @TotalPages = @TotalCount / @PageSize + 1 
	 END 
	--设置选择字段
    IF @SelectList IS NULL OR LTRIM(RTRIM(@SelectList)) = ''
    BEGIN
        SET @SelectList = '*'
    END
	
	--设置Oreder by 条件
    SET @OrderExpression = LTRIM(RTRIM(@OrderExpression))
    SET @OrderExpression = ISNULL(@OrderExpression,'')
	IF @OrderExpression <> ''
    BEGIN
        SET @OrderExpression = 'ORDER BY ' + @OrderExpression
    END
   
	--设置分页数
    IF @PageIndex IS NULL OR @PageIndex < 0
    BEGIN
        SET @PageIndex = 0
    END    
    
    SET @PageIndex = @PageIndex + 1
   
    IF @PageSize IS NULL OR @PageSize < 1
    BEGIN
        SET @PageSize = 5
    END
	--构造查询语句
    DECLARE @SqlQuery NVARCHAR(2000)
    --SET @SqlQuery='SELECT ' + @SelectList + ',RowNumber 
    --FROM 
    --    (SELECT ' + @SelectList + ',ROW_NUMBER() OVER( '+ @OrderExpression +') AS RowNumber 
    --      FROM  '+ @TableName +' '+ @SearchCondition +') AS RowNumberTableSource 
    --WHERE RowNumber BETWEEN ' + CAST(((@PageIndex - 1)* @PageSize+1) AS NVARCHAR) 
    --+ ' AND ' + 
    --CAST((@PageIndex * @PageSize) AS NVARCHAR) 
    --Edit by xlli at 20100109 适应多表关联查询
      SET @SqlQuery='SELECT *
    FROM 
        (SELECT ' + @SelectList + ',ROW_NUMBER() OVER( '+ @OrderExpression +') AS RowNumber 
          FROM  '+ @TableName +' '+ @SearchCondition +') AS RowNumberTableSource 
    WHERE RowNumber BETWEEN ' + CAST(((@PageIndex - 1)* @PageSize+1) AS NVARCHAR) 
    + ' AND ' + 
    CAST((@PageIndex * @PageSize) AS NVARCHAR)
    
	--执行查询
    EXECUTE sp_executesql @SqlQuery
	--开启返回计数
    SET NOCOUNT OFF
END