
CREATE PROC P_viewPage


/**//*

nzperfect [no_mIss] 高效通用分页存储过程(双向检索) 2007.5.7 QQ:34813284

敬告:适用于单一主键或存在唯一值列的表或视图

ps:Sql语句为8000字节,调用时请注意传入参数及sql总长度不要超过指定范围

*/


@TableName VARCHAR(200), --表名

@FieldList VARCHAR(2000), --显示列名,如果是全部字段则为*

@PrimaryKey VARCHAR(100), --单一主键或唯一值键

@Where VARCHAR(2000), --查询条件 不含'where'字符,如id>10 and len(userid)>9

@Order VARCHAR(1000), --排序 不含'order by'字符,如id asc,userid desc,必须指定asc或desc

--注意当@SortType=3时生效,记住一定要在最后加上主键,否则会让你比较郁闷

@SortType INT, --排序规则 1:正序asc 2:倒序desc 3:多列排序方法

@RecorderCount INT, --记录总数 0:会返回总记录

@PageSize INT, --每页输出的记录数

@PageIndex INT, --当前页数

@TotalCount INT OUTPUT, --记返回总记录

@TotalPageCount INT OUTPUT --返回总页数

AS

SET NOCOUNT ON


IF ISNULL(@TotalCount,'') = '' SET @TotalCount = 0

SET @Order = RTRIM(LTRIM(@Order))

SET @PrimaryKey = RTRIM(LTRIM(@PrimaryKey))

SET @FieldList = REPLACE(RTRIM(LTRIM(@FieldList)),' ','')


WHILE CHARINDEX(', ',@Order) > 0 OR CHARINDEX(' ,',@Order) > 0

BEGIN

SET @Order = REPLACE(@Order,', ',',')

SET @Order = REPLACE(@Order,' ,',',')

END


IF ISNULL(@TableName,'') = '' OR ISNULL(@FieldList,'') = ''

OR ISNULL(@PrimaryKey,'') = ''

OR @SortType < 1 OR @SortType >3

OR @RecorderCount < 0 OR @PageSize < 0 OR @PageIndex < 0

BEGIN

PRINT('ERR_00')

RETURN

END


IF @SortType = 3

BEGIN

IF (UPPER(RIGHT(@Order,4))!=' ASC' AND UPPER(RIGHT(@Order,5))!=' DESC')

BEGIN PRINT('ERR_02') RETURN END

END


DECLARE @new_where1 VARCHAR(1000)

DECLARE @new_where2 VARCHAR(1000)

DECLARE @new_order1 VARCHAR(1000)

DECLARE @new_order2 VARCHAR(1000)

DECLARE @new_order3 VARCHAR(1000)

DECLARE @Sql VARCHAR(8000)

DECLARE @SqlCount NVARCHAR(4000)


IF ISNULL(@where,'') = ''

BEGIN

SET @new_where1 = ' '

SET @new_where2 = ' WHERE '

END

ELSE

BEGIN

SET @new_where1 = ' WHERE ' + @where

SET @new_where2 = ' WHERE ' + @where + ' AND '

END


IF ISNULL(@order,'') = '' OR @SortType = 1 OR @SortType = 2

BEGIN

IF @SortType = 1

BEGIN

SET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' ASC'

SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' DESC'

END

IF @SortType = 2

BEGIN

SET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' DESC'

SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' ASC'

END

END

ELSE

BEGIN

SET @new_order1 = ' ORDER BY ' + @Order

END


IF @SortType = 3 AND CHARINDEX(','+@PrimaryKey+' ',','+@Order)>0

BEGIN

SET @new_order1 = ' ORDER BY ' + @Order

SET @new_order2 = @Order + ','

SET @new_order2 = REPLACE(REPLACE(@new_order2,'ASC,','{ASC},'),'DESC,','{DESC},')

SET @new_order2 = REPLACE(REPLACE(@new_order2,'{ASC},','DESC,'),'{DESC},','ASC,')

SET @new_order2 = ' ORDER BY ' + SUBSTRING(@new_order2,1,LEN(@new_order2)-1)

IF @FieldList <> '*'

BEGIN

SET @new_order3 = REPLACE(REPLACE(@Order + ',','ASC,',','),'DESC,',',')

SET @FieldList = ',' + @FieldList

WHILE CHARINDEX(',',@new_order3)>0

BEGIN

IF CHARINDEX(SUBSTRING(','+@new_order3,1,CHARINDEX(',',@new_order3)),','+@FieldList+',')>0

BEGIN

SET @FieldList =

@FieldList + ',' + SUBSTRING(@new_order3,1,CHARINDEX(',',@new_order3))

END

SET @new_order3 =

SUBSTRING(@new_order3,CHARINDEX(',',@new_order3)+1,LEN(@new_order3))

END

SET @FieldList = SUBSTRING(@FieldList,2,LEN(@FieldList))

END

END


SET @SqlCount = 'SELECT @TotalCount=COUNT(*),@TotalPageCount=CEILING((COUNT(*)+0.0)/'

+ CAST(@PageSize AS VARCHAR)+') FROM ' + @TableName + @new_where1

IF @RecorderCount = 0

BEGIN

EXEC SP_EXECUTESQL @SqlCount,N'@TotalCount INT OUTPUT,@TotalPageCount INT OUTPUT',

@TotalCount OUTPUT,@TotalPageCount OUTPUT

END

ELSE

BEGIN

SELECT @TotalCount = @RecorderCount

END


IF @PageIndex > CEILING((@TotalCount+0.0)/@PageSize)

BEGIN

SET @PageIndex = CEILING((@TotalCount+0.0)/@PageSize)

END


IF @PageIndex = 1 OR @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize)

BEGIN

IF @PageIndex = 1 --返回第一页数据

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '

+ @TableName + @new_where1 + @new_order1

END

IF @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize) --返回最后一页数据

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ('

+ 'SELECT TOP ' + STR(ABS(@PageSize*@PageIndex-@TotalCount-@PageSize))

+ ' ' + @FieldList + ' FROM '

+ @TableName + @new_where1 + @new_order2 + ' ) AS TMP '

+ @new_order1

END

END

ELSE

BEGIN

IF @SortType = 1 --仅主键正序排序

BEGIN

IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '

+ @TableName + @new_where2 + @PrimaryKey + ' > '

+ '(SELECT MAX(' + @PrimaryKey + ') FROM (SELECT TOP '

+ STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey

+ ' FROM ' + @TableName

+ @new_where1 + @new_order1 +' ) AS TMP) '+ @new_order1

END

ELSE --反向检索

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ('

+ 'SELECT TOP ' + STR(@PageSize) + ' '

+ @FieldList + ' FROM '

+ @TableName + @new_where2 + @PrimaryKey + ' < '

+ '(SELECT MIN(' + @PrimaryKey + ') FROM (SELECT TOP '

+ STR(@TotalCount-@PageSize*@PageIndex) + ' ' + @PrimaryKey

+ ' FROM ' + @TableName

+ @new_where1 + @new_order2 +' ) AS TMP) '+ @new_order2

+ ' ) AS TMP ' + @new_order1

END

END

IF @SortType = 2 --仅主键反序排序

BEGIN

IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '

+ @TableName + @new_where2 + @PrimaryKey + ' < '

+ '(SELECT MIN(' + @PrimaryKey + ') FROM (SELECT TOP '

+ STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey

+' FROM '+ @TableName

+ @new_where1 + @new_order1 + ') AS TMP) '+ @new_order1

END

ELSE --反向检索

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ('

+ 'SELECT TOP ' + STR(@PageSize) + ' '

+ @FieldList + ' FROM '

+ @TableName + @new_where2 + @PrimaryKey + ' > '

+ '(SELECT MAX(' + @PrimaryKey + ') FROM (SELECT TOP '

+ STR(@TotalCount-@PageSize*@PageIndex) + ' ' + @PrimaryKey

+ ' FROM ' + @TableName

+ @new_where1 + @new_order2 +' ) AS TMP) '+ @new_order2

+ ' ) AS TMP ' + @new_order1

END

END

IF @SortType = 3 --多列排序,必须包含主键,且放置最后,否则不处理

BEGIN

IF CHARINDEX(',' + @PrimaryKey + ' ',',' + @Order) = 0

BEGIN PRINT('ERR_02') RETURN END

IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '

+ 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '

+ ' SELECT TOP ' + STR(@PageSize*@PageIndex) + ' ' + @FieldList

+ ' FROM ' + @TableName + @new_where1 + @new_order1 + ' ) AS TMP '

+ @new_order2 + ' ) AS TMP ' + @new_order1

END

ELSE --反向检索

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '

+ 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '

+ ' SELECT TOP ' + STR(@TotalCount-@PageSize*@PageIndex+@PageSize) + ' ' + @FieldList

+ ' FROM ' + @TableName + @new_where1 + @new_order2 + ' ) AS TMP '

+ @new_order1 + ' ) AS TMP ' + @new_order1

END

END

END

PRINT(@Sql)

EXEC(@Sql)

GO

CREATE PROC P_public_ViewPage

/**//*

no_mIss 通用分页存储过程 2007.3.1 QQ:34813284

适用于联合主键/单主键/存在能确定唯一行列/存在能确定唯一行的多列 (用英文,隔开)

调用:

第一页查询时返回总记录和总页数及第一页记录:

EXECUTE P_public_ViewPage_per 'TableName','col1,col2,col3,col4','pk1,pk2,pk3',

'col5>0 and col7<9','pk1 asc,pk2 asc,pk3 asc',0,10,1,

@TotalCount OUTPUT,@TotalPageCount OUTPUT

其它页调用,比如第89页(假设第一页查询时返回总记录为2000000):

EXECUTE P_public_ViewPage_per 'TableName','col1,col2,col3,col4','pk1,pk2,pk3',

'col5>0 and col7<9','pk1 asc,pk2 asc,pk3 asc',2000000,10,89,

@TotalCount OUTPUT,@TotalPageCount OUTPUT

*/


@TableName VARCHAR(200), --表名

@FieldList VARCHAR(2000), --显示列名

@PrimaryKey VARCHAR(100), --单一主键或唯一值键或联合主键列表(用英文,隔开)或能确定唯一行的多列列表(用英文,隔开)

@Where VARCHAR(1000), --查询条件 不含'where'字符

@Order VARCHAR(1000), --排序 不含'order by'字符,用英文,隔开

@RecorderCount INT, --记录总数 0:会返回总记录

@PageSize INT, --每页输出的记录数

@PageIndex INT, --当前页数

@TotalCount INT OUTPUT, --返回记录总数

@TotalPageCount INT OUTPUT --返回总页数

AS


SET NOCOUNT ON

SET @FieldList = REPLACE(@FieldList,' ','')

IF @FieldList = '*'

BEGIN SET @FieldList = 'A.*'END

ELSE

BEGIN

SET @FieldList = 'A.' + REPLACE(@FieldList,',',',A.')

END

WHILE CHARINDEX(', ',@Order)>0

BEGIN

SET @Order = REPLACE(@Order,', ',',')

END


IF ISNULL(@TableName,'') = '' OR ISNULL(@PrimaryKey,'') = ''

OR @RecorderCount < 0 OR @PageSize < 0 OR @PageIndex < 0

BEGIN

RETURN

END

DECLARE @new_where1 VARCHAR(1000)

DECLARE @new_where2 VARCHAR(1000)

DECLARE @new_where3 VARCHAR(1000)

DECLARE @new_where4 VARCHAR(1000)

DECLARE @new_order1 VARCHAR(1000)

DECLARE @new_order2 VARCHAR(1000)

DECLARE @Fields VARCHAR(1000)

DECLARE @Sql VARCHAR(8000)

DECLARE @SqlCount NVARCHAR(4000)


SET @Fields = @PrimaryKey + ','

SET @new_where2 = ''

SET @new_where4 = ''



IF ISNULL(@where,'') = ''

BEGIN

SET @new_where1 = ' '

SET @new_where3 = ' WHERE '

END

ELSE

BEGIN

SET @new_where1 = ' WHERE ' + @where + ' '

SET @new_where3 = ' WHERE 1=1 '

+ REPLACE(' AND ' + @where,' AND ',' AND A.')+ ' AND '

END

WHILE CHARINDEX(',',@Fields)>0

BEGIN

SET @new_where2 = @new_where2

+ 'A.' + LTRIM(LEFT(@Fields,CHARINDEX(',',@Fields)-1))

+ ' = B.' + LTRIM(LEFT(@Fields,CHARINDEX(',',@Fields)-1)) + ' AND '

SET @new_where4 = @new_where4

+ 'B.' + LTRIM(LEFT(@Fields,CHARINDEX(',',@Fields)-1)) + ' IS NULL AND '

SET @Fields = SUBSTRING(@Fields,CHARINDEX(',',@Fields)+1,LEN(@Fields))

END

SET @new_where2 = LEFT(@new_where2,LEN(@new_where2)-4)

SET @new_where4 = LEFT(@new_where4,LEN(@new_where4)-4)


IF ISNULL(@order,'') = ''

BEGIN

SET @new_order1 = ''

SET @new_order2 = ''

END

ELSE

BEGIN

SET @new_order1 = ' ORDER BY ' + @Order

SET @new_order2 = ' ORDER BY '

+ RIGHT(REPLACE(',' + @Order,',',', A.' ),

LEN(REPLACE(',' + @Order,',',', A.' ))-1)

END


SET @SqlCount = 'SELECT @TotalCount=COUNT(*),@TotalPageCount=CEILING((COUNT(*)+0.0)/'

+ CAST(@PageSize AS VARCHAR)+') FROM ' + @TableName

+ ' A ' + @new_where1

IF @RecorderCount = 0

BEGIN

EXEC SP_EXECUTESQL @SqlCount,N'@TotalCount INT OUTPUT,@TotalPageCount INT OUTPUT',

@TotalCount OUTPUT,@TotalPageCount OUTPUT

END

ELSE

BEGIN

SELECT @TotalCount = @RecorderCount

END


IF @PageIndex > CEILING((@TotalCount+0.0)/@PageSize)

BEGIN

SET @PageIndex = CEILING((@TotalCount+0.0)/@PageSize)

END

IF @PageIndex = 1

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '

+ @TableName + ' A'+ @new_where1 + @new_order1

END

ELSE

BEGIN

SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '

+ @TableName + ' A LEFT JOIN (SELECT TOP '

+ STR(@PageSize*(@PageIndex-1))

+ ' ' + @PrimaryKey + ' FROM ' + @TableName + @new_where1

+ @new_order1 + ' )B ON ' + @new_where2 + @new_where3

+ @new_where4 + @new_order2

END


EXEC(@Sql)

GO