sql server 分页存储过程

时间:2022-07-23 20:09:44
----------------------分页存储过程---------------------------------------------------------------------------------------------------- CREATE PROCEDURE [dbo].[Proc_Page] @PageIndex int = 1,                    -- 当前页码 @PageSize int = 10,                    -- 每页记录条数(页面大小) @Table nvarchar(2000),               -- 表名或视图名,甚至可以是嵌套SQL:(Select * From Tab Where ID>1000) Tab @Field nvarchar(200) = '*',          -- 返回记录集字段名,","隔开,默认是"*" @OrderBy nvarchar(100) = 'ID ASC',     -- 排序规则 @Filter nvarchar(500),                 -- 过滤条件 @MaxPage int output,                  -- 执行结果 -1 error, 0 false, maxpage true @TotalRow int output,                  -- 记录总数  @Descript varchar(100) output      -- 结果描述 AS BEGIN Set ROWCOUNT @PageSize; Set @Descript = ''; Set @MaxPage = 0; -------------------检测结束---------------- Begin Try   -- 整合SQL   Declare @SQL nvarchar(4000), @Portion nvarchar(4000);   Set @Portion = ' ROW_NUMBER() OVER (ORDER BY ' + @OrderBy + ') AS ROWNUM FROM ' + @Table;   Set @Portion = @Portion + (CASE WHEN LEN(@Filter) >= 1 THEN (' Where ' + @Filter + ') AS tab') ELSE (') AS tab') END);   Set @SQL = 'Select TOP(' + CAST(@PageSize AS nvarchar(8)) + ') ' + @Field + ' FROM (Select ' + @Field + ',' + @Portion;   Set @SQL = @SQL + ' Where tab.ROWNUM > ' + CAST((@PageIndex-1)*@PageSize AS nvarchar(8))+' ORDER BY ' + @OrderBy;   PRINT @SQL;   -- 执行SQL, 取当前页记录集   Execute(@SQL);   -- 整合SQL   Set @SQL = 'Set @Rows = (Select MAX(ROWNUM) FROM (Select' + @Portion + ')';   -- 执行SQL, 取最大页码   Execute sp_executesql @SQL, N'@Rows int output', @TotalRow output;   Set @MaxPage = (CASE WHEN (@TotalRow % @PageSize)<>0 THEN (@TotalRow / @PageSize + 1) ELSE (@TotalRow / @PageSize) END); End Try Begin Catch   -- 捕捉错误   Set @MaxPage = -1;   Set @Descript = 'error line: ' + CAST(ERROR_LINE() AS varchar(8)) + ', error number: ' + CAST(ERROR_NUMBER() AS varchar(8)) + ', error message: ' + ERROR_MESSAGE();   Return; End Catch; -- 执行成功 Return; END GO

 

 ----------------------short 分页存储过程-------------------------------------------------------

 

if (exists (select * from sys.objects where name = 'Proc_DataPage'))       drop proc Proc_DataPage GO CREATE PROCEDURE Proc_DataPage @PageIndex int = 1,                     -- 当前页码 @PageSize int = 10,                     -- 每页记录条数 @Table nvarchar(2000),                -- tabs or (Select * From tab) tabs @Field nvarchar(200) ,                 -- 返回记录集字段 @OrderBy nvarchar(100) ,            -- 排序规则 @Filter nvarchar(500),                 -- 过滤条件 @TotalRow int output                   -- 记录总数  AS BEGIN   Declare @SQL nvarchar(4000), @Portion nvarchar(4000);   Set @Portion = ' ROW_NUMBER() OVER (ORDER BY ' + @OrderBy + ') AS ROWNUM FROM ' + @Table;   Set @Portion = @Portion + (CASE WHEN LEN(@Filter) >= 1 THEN (' Where ' + @Filter + ') AS tab') ELSE (') AS tab') END);   Set @SQL = 'Select TOP(' + CAST(@PageSize AS nvarchar(8)) + ') ' + @Field + ' FROM (Select ' + @Field + ',' + @Portion;   Set @SQL = @SQL + ' Where tab.ROWNUM > ' + CAST((@PageIndex-1)*@PageSize AS nvarchar(8))+' ORDER BY ' + @OrderBy;   Execute(@SQL);   Set @SQL = 'Set @Rows = (Select MAX(ROWNUM) FROM (Select' + @Portion + ')';   Execute sp_executesql @SQL, N'@Rows int output', @TotalRow output; End GO