/*设定排序语句.*/ IF CHARINDEX('DESC',@Sort)>0 BEGIN SET @strSortColumn = REPLACE(@Sort, 'DESC', '') SET @operator = '=' END ELSE BEGIN IF CHARINDEX('ASC', @Sort) = 0 SET @strSortColumn = REPLACE(@Sort, 'ASC', '') SET @operator = '>=' END
IF CHARINDEX('.', @strSortColumn) > 0 BEGIN SET @SortTable = SUBSTRING(@strSortColumn, 0, CHARINDEX('.',@strSortColumn)) SET @SortName = SUBSTRING(@strSortColumn, CHARINDEX('.',@strSortColumn) + 1, LEN(@strSortColumn)) END ELSE BEGIN SET @SortTable = @Tables SET @SortName = @strSortColumn END
SELECT @type=t.name, @prec=c.prec FROM sysobjects o JOIN syscolumns c on o.id=c.id JOIN systypes t on c.xusertype=t.xusertype WHERE o.name = @SortTable AND c.name = @SortName
IF CHARINDEX('char', @type) > 0 SET @type = @type + '(' + CAST(@prec AS varchar) + ')'
/*设置分页参数.*/ SET @strPageSize = CAST(@PageSize AS varchar(50)) SET @strStartRow = CAST(((@CurrentPage - 1)*@PageSize + 1) AS varchar(50))
/*筛选以及分组语句.*/ IF @Filter IS NOT NULL AND @Filter != '' BEGIN SET @strFilter = ' WHERE ' + @Filter + ' ' SET @strSimpleFilter = ' AND ' + @Filter + ' ' END ELSE BEGIN SET @strSimpleFilter = '' SET @strFilter = '' END IF @Group IS NOT NULL AND @Group != '' SET @strGroup = ' GROUP BY ' + @Group + ' ' ELSE SET @strGroup = ''
/*执行查询语句*/ EXEC( ' DECLARE @SortColumn ' + @type + ' SET ROWCOUNT ' + @strStartRow + ' SELECT @SortColumn=' + @strSortColumn + ' FROM ' + @Tables + @strFilter + ' ' + @strGroup + ' ORDER BY ' + @Sort + ' SET ROWCOUNT ' + @strPageSize + ' SELECT ' + @Fields + ' FROM ' + @Tables + ' WHERE ' + @strSortColumn + @operator + ' @SortColumn ' + @strSimpleFilter + ' ' + @strGroup + ' ORDER BY ' + @Sort + ' ' ) GO