三种SQL分页查询的存储过程代码
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<div class="codetitle"><a style="CURSOR: pointer" data="2976" class="copybut" id="copybut2976" onclick="doCopy('code2976')"> 代码如下:
<div class="codebody" id="code2976">
--根据MAX(MIN)ID
CREATE PROC [dbo].[proc_select_id]
@pageindex int=1,--当前页数
@pagesize int=10,--每页大小
@tablename VARCHAR(50)='',--表名
@fields VARCHAR(1000)='',--
查询的字段集合
@keyid VARCHAR(50)='',--主键
@condition NVARCHAR(1000)='',--
查询条件
@orderstr VARCHAR(500),--排序条件
@totalRecord BIGINT OUTPUT--总记录数
AS
IF ISNULL(@orderstr,N'')=N'' SET @orderstr=N' ORDER BY '+@keyid+N' DESC '
IF ISNULL(@fields,N'')=N'' SET @fields=N'
'
IF ISNULL(@condition,N'')=N'' SET @condition=N'1=1'
DECLARE @sql NVARCHAR(4000)
--IF(@totalRecord IS NULL)
--BEGIN
SET @sql=N'SELECT @totalRecord=COUNT()'
+N' FROM '+@tablename
+N' WHERE '+@condition
EXEC sp_execute
sql @
sql,N'@totalRecord INT OUTPUT',@totalRecord OUTPUT
--END
IF(@pageindex=1)
BEGIN
SET @
sql=N'SELECT TOP '+STR(@pagesize)+N' '+@fields+N' FROM '+@tablename+N' WHERE '+@condition+N' '+@orderstr
EXEC(@
sql)
END
ELSE
BEGIN
DECLARE @operatestr CHAR(3),@comparestr CHAR(1)
SET @operatestr='MAX'
SET @comparestr='>'
IF(@orderstr<>'')
BEGIN
IF(CHARINDEX('desc',LOWER(@orderstr))<>0)
BEGIN
SET @operatestr='MIN'
SET @comparestr='<'
END
END
SET @
sql=N'SELECT top '+STR(@pagesize)+N' '+@fields+N' FROM '+@tablename+N' WHERE '+@keyid+@comparestr
+N'(SELECT '+@operatestr+N'('+@keyid+N') FROM '+@tablename+N' WHERE '+@keyid
+N' IN (SELECT TOP '+STR((@pageindex-1)
@pagesize)+N' '+@keyid+N' FROM '+@tablename+N' WHERE '
+@condition+N' '+@orderstr+N')) AND '+@condition+N' '+@orderstr
EXEC(@sql)
END
GO
--根据ROW_NUMBER() OVER
CREATE PROC [dbo].[proc_select_page_row]
@pageindex INT=1,--当前页数
@pagesize INT=10,--表名
@fields VARCHAR(1000)='',N'')=N'' SET @condition=N'1=1'
DECLARE @
sql NVARCHAR(4000)
-- IF @totalRecord IS NULL
-- BEGIN
SET @
sql=N'SELECT @totalRecord=COUNT(
)'
+N' FROM '+@tablename
+N' WHERE '+@condition
EXEC sp_executesql @sql,N'@totalRecord bigint OUTPUT',@totalRecord OUTPUT
--END
IF(@pageindex=1)
BEGIN
SET @sql=N'SELECT TOP '+STR(@pagesize)+N' '+@fields+N' FROM '+@tablename+N' WHERE '+@condition+N' '+@orderstr
EXEC(@sql)
END
ELSE
BEGIN
DECLARE @StartRecord INT
SET @StartRecord = (@pageindex-1)@pagesize + 1
SET @
sql=N'SELECT
FROM (SELECT ROW_NUMBER() OVER ('+ @orderstr +N') AS rowId,'+@fields+N' FROM '+ @tablename+N') AS T WHERE rowId>='+STR(@StartRecord)+N' and rowId<='+STR(@StartRecord + @pagesize - 1)
EXEC(@sql)
END
GO
--根据TOP ID
CREATE PROC [dbo].[proc_select_page_top]
@pageindex INT=1,@totalRecord OUTPUT
--END
IF(@pageindex=1)
BEGIN
SET @sql=N'SELECT TOP '+STR(@pagesize)+N' '+@fields+N' FROM '+@tablename+N' WHERE '+@condition+N' '+@orderstr
EXEC(@sql)
END
ELSE
BEGIN
SET @sql=N'SELECT TOP '+STR(@pagesize)+N' '+@fields+N' FROM '+@tablename+N' WHERE '+@keyid
+N' NOT IN(SELECT TOP '+STR((@pageindex-1)@pagesize)+N' '+@keyid+N' FROM '
+@tablename+N' WHERE '+@condition+N' '+@orderstr+N') AND '+@condition+N' '+@orderstr
EXEC(@
sql)
END
GO
