CREATE?PROC?P_public_ViewPage
????/**//**//**//*
????????no_mIss?通用分頁存儲過程?2007.3.1??QQ:34813284
????????適用于聯合主鍵/單主鍵/存在能確定唯一行列/存在能確定唯一行的多列?(用英文,隔開)
????????調用：
????????????第一頁查詢時返回總記錄和總頁數及第一頁記錄：
????????????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
????????????其它頁調用，比如第89頁(假設第一頁查詢時返回總記錄為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),????--顯示列名
????@PrimaryKey?VARCHAR(100),????--單一主鍵或唯一值鍵或聯合主鍵列表(用英文,隔開)或能確定唯一行的多列列表(用英文,隔開)
????@Where?VARCHAR(1000),????????--查詢條件?不含'where'字符
????@Order?VARCHAR(1000),????????--排序?不含'order?by'字符,用英文,隔開??
????@RecorderCount?INT,??????????--記錄總數?0:會返回總記錄
????@PageSize?INT,???????????????--每頁輸出的記錄數
????@PageIndex?INT,??????????????--當前頁數
????@TotalCount?INT?OUTPUT,??????--返回記錄總數
????@TotalPageCount?INT?OUTPUT???--返回總頁數
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

轉載于:https://www.cnblogs.com/liulf/archive/2009/02/17/1392637.html

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