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SQL 单表分页存储过程和单表多字段排序和任意字段分页存储过程
第一种:单表多字段排序分页存储过程
--支持单表多字段查询,多字段排序create PROCEDURE [dbo].[UP_GetByPageFiledOrder]( @TableName varchar(50), --表名 @ReFieldsStr varchar(200) = ‘*‘, --字段名(全部字段为*) @OrderString varchar(200), --排序字段(必须!支持多字段不用加order by) @WhereString varchar(500) =N‘‘, --条件语句(不用加where) @PageSize int, --每页多少条记录 @PageIndex int = 1 , --指定当前为第几页 @TotalRecord int output --返回总记录数)AS BEGIN --处理开始点和结束点 Declare @StartRecord int; Declare @EndRecord int; Declare @TotalCountSql nvarchar(500); Declare @SqlString nvarchar(2000); set @StartRecord = (@PageIndex-1)*@PageSize + 1 set @EndRecord = @StartRecord + @PageSize - 1 SET @TotalCountSql= N‘select @TotalRecord = count(*) from ‘ + @TableName;--总记录数语句 SET @SqlString = N‘(select row_number() over (order by ‘+ @OrderString +‘) as rowId,‘+@ReFieldsStr+‘ from ‘+ @TableName;--查询语句 -- IF (@WhereString! = ‘‘ or @WhereString!=null) BEGIN SET @TotalCountSql=@TotalCountSql + ‘ where ‘+ @WhereString; SET @SqlString =@SqlString+ ‘ where ‘+ @WhereString; END --第一次执行得到 --IF(@TotalRecord is null) -- BEGIN EXEC sp_executesql @totalCountSql,N‘@TotalRecord int out‘,@TotalRecord output;--返回总记录数 -- END ----执行主语句 set @SqlString =‘select * from ‘ + @SqlString + ‘) as t where rowId between ‘ + ltrim(str(@StartRecord)) + ‘ and ‘ + ltrim(str(@EndRecord)); Exec(@SqlString) END
下面是调用存储过程--exec [PROCE_SQL2005PAGECHANGE] ‘T_ScInfo‘,‘*‘,‘by2 desc,addtime desc‘,‘ by1=4 and state = 1 ‘,‘2‘,‘3‘,‘‘
第二种:单表效率最高的分页存储过程
动软分页存储过程
ALTER PROCEDURE [dbo].[UP_GetRecordByPage] @tblName varchar(255), -- 表名 @fldName varchar(255), -- 主键字段名 @PageSize int = 10, -- 页尺寸 @PageIndex int = 1, -- 页码 @IsReCount bit = 0, -- 返回记录总数, 非0 值则返回 @OrderType bit = 0, -- 设置排序类型, 非0 值则降序 @strWhere varchar(1000) = ‘‘ -- 查询条件(注意: 不要加where)ASdeclare @strSQL varchar(6000) -- 主语句declare @strTmp varchar(1000) -- 临时变量(查询条件过长时可能会出错,可修改为)declare @strOrder varchar(400) -- 排序类型if @OrderType != 0begin set @strTmp = ‘<(select min‘ set @strOrder = ‘ order by [‘ + @fldName +‘] desc‘endelsebegin set @strTmp = ‘>(select max‘ set @strOrder = ‘ order by [‘ + @fldName +‘] asc‘endset @strSQL = ‘select top ‘ + str(@PageSize) + ‘ * from [‘ + @tblName + ‘] where [‘ + @fldName + ‘]‘ + @strTmp + ‘([‘ + @fldName + ‘]) from (select top ‘ + str((@PageIndex-1)*@PageSize) + ‘ [‘ + @fldName + ‘] from [‘ + @tblName + ‘]‘ + @strOrder + ‘) as tblTmp)‘ + @strOrderif @strWhere != ‘‘ set @strSQL = ‘select top ‘ + str(@PageSize) + ‘ * from [‘ + @tblName + ‘] where [‘ + @fldName + ‘]‘ + @strTmp + ‘([‘ + @fldName + ‘]) from (select top ‘ + str((@PageIndex-1)*@PageSize) + ‘ [‘ + @fldName + ‘] from [‘ + @tblName + ‘] where ‘ + @strWhere + ‘ ‘ + @strOrder + ‘) as tblTmp) and ‘ + @strWhere + ‘ ‘ + @strOrderif @PageIndex = 1begin set @strTmp =‘‘ if @strWhere != ‘‘ set @strTmp = ‘ where ‘ + @strWhere set @strSQL = ‘select top ‘ + str(@PageSize) + ‘ * from [‘ + @tblName + ‘]‘ + @strTmp + ‘ ‘ + @strOrderendif @IsReCount != 0 set @strSQL = ‘select count(*) as Total from [‘ + @tblName + ‘]‘+‘ where ‘ + @strWhereexec (@strSQL)
SQL 单表分页存储过程和单表多字段排序和任意字段分页存储过程
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