USE [Lyjjr]GO/****** Object: StoredProcedure [dbo].[P_ViewPage] Script Date: 05/29/2015 17:18:56 ******/SET ANSI_NULLS ONGOSET QUOTED_IDENTIFIER ONGOALTER PROC [dbo].[P_ViewPage]@TableName VARCHAR(200),–表名@FieldList VARCHAR(2000), –显示列名，如果是全部字段则为*@PrimaryKey VARCHAR(100), –单一主键或唯一值键@Where VARCHAR(4000),–查询条件 不含'where'字符，如id>10 and len(userid)>9@Order VARCHAR(1000),–排序 不含'order by'字符，如id asc,userid desc，，必须指定asc或desc–注意当@SortType=3时生效，记住一定要在最后加上主键，否则会让你比较郁闷@SortType INT,–排序规则 1:正序asc 2:倒序desc 3:多列排序方法@RecorderCount INT,–记录总数 0:会返回总记录@PageSize INT,–每页输出的记录数@PageIndex INT,–当前页数@TotalCount INT OUTPUT,–记返回总记录@TotalPageCount INT OUTPUT –返回总页数 ASSET NOCOUNT ONIF ISNULL(@TotalCount,'') = '' SET @TotalCount = 0SET @Order = RTRIM(LTRIM(@Order))SET @PrimaryKey = RTRIM(LTRIM(@PrimaryKey))SET @FieldList = REPLACE(RTRIM(LTRIM(@FieldList)),' ','')WHILE CHARINDEX(', ',@Order) > 0 OR CHARINDEX(' ,',@Order) > 0BEGINSET @Order = REPLACE(@Order,', ',',')SET @Order = REPLACE(@Order,' ,',',')ENDIF ISNULL(@TableName,'') = '' OR ISNULL(@FieldList,'') = ''OR ISNULL(@PrimaryKey,'') = ''OR @SortType < 1 OR @SortType >3OR @RecorderCount < 0 OR @PageSize < 0 OR @PageIndex < 0BEGINPRINT('ERR_00')RETURNENDIF @SortType = 3BEGINIF (UPPER(RIGHT(@Order,4))!=' ASC' AND UPPER(RIGHT(@Order,5))!=' DESC')BEGIN PRINT('ERR_02') RETURN ENDENDDECLARE @new_where1 VARCHAR(2000)DECLARE @new_where2 VARCHAR(2000)DECLARE @new_order1 VARCHAR(1000)DECLARE @new_order2 VARCHAR(1000)DECLARE @new_order3 VARCHAR(1000)DECLARE @Sql VARCHAR(8000)DECLARE @SqlCount NVARCHAR(4000)IF ISNULL(@where,'') = ''BEGINSET @new_where1 = ' 'SET @new_where2 = ' WHERE 'ENDELSEBEGINSET @new_where1 = ' WHERE ' + @whereSET @new_where2 = ' WHERE ' + @where + ' AND 'ENDIF ISNULL(@order,'') = '' OR @SortType = 1 OR @SortType = 2BEGINIF @SortType = 1BEGINSET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' ASC'SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' DESC'ENDIF @SortType = 2BEGINSET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' DESC'SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' ASC'ENDENDELSEBEGINSET @new_order1 = ' ORDER BY ' + @OrderENDIF @SortType = 3 AND CHARINDEX(','+@PrimaryKey+' ',','+@Order)>0BEGINSET @new_order1 = ' ORDER BY ' + @OrderSET @new_order2 = @Order + ','SET @new_order2 = REPLACE(REPLACE(@new_order2,'ASC,','{ASC},'),'DESC,','{DESC},')SET @new_order2 = REPLACE(REPLACE(@new_order2,'{ASC},','DESC,'),'{DESC},','ASC,')SET @new_order2 = ' ORDER BY ' + SUBSTRING(@new_order2,1,LEN(@new_order2)-1)IF @FieldList <> '*'BEGINSET @new_order3 = REPLACE(REPLACE(@Order + ',','ASC,',','),'DESC,',',')SET @FieldList = ',' + @FieldListWHILE CHARINDEX(',',@new_order3)>0BEGINIF CHARINDEX(SUBSTRING(','+@new_order3,1,CHARINDEX(',',@new_order3)),','+@FieldList+',')>0BEGINSET @FieldList =@FieldList + ',' + SUBSTRING(@new_order3,1,CHARINDEX(',',@new_order3))ENDSET @new_order3 =SUBSTRING(@new_order3,CHARINDEX(',',@new_order3)+1,LEN(@new_order3))ENDSET @FieldList = SUBSTRING(@FieldList,2,LEN(@FieldList))ENDENDSET @SqlCount = 'SELECT @TotalCount=COUNT(*),@TotalPageCount=CEILING((COUNT(*)+0.0)/'+ CAST(@PageSize AS VARCHAR)+') FROM ' + @TableName + @new_where1IF @RecorderCount = 0BEGINEXEC SP_EXECUTESQL @SqlCount,N'@TotalCount INT OUTPUT,@TotalPageCount INT OUTPUT',@TotalCount OUTPUT,@TotalPageCount OUTPUTENDELSEBEGINSELECT @TotalCount = @RecorderCountENDIF @PageIndex > CEILING((@TotalCount+0.0)/@PageSize)BEGINSET @PageIndex = CEILING((@TotalCount+0.0)/@PageSize)ENDIF @PageIndex = 1 OR @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize)BEGINIF @PageIndex = 1 –返回第一页数据BEGINSET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '+ @TableName + @new_where1 + @new_order1ENDIF @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize) –返回最后一页数据BEGINSET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ('+ 'SELECT TOP ' + STR(ABS(@PageSize*@PageIndex-@TotalCount-@PageSize))+ ' ' + @FieldList + ' FROM '+ @TableName + @new_where1 + @new_order2 + ' ) AS TMP '+ @new_order1ENDENDELSEBEGINIF @SortType = 1 –仅主键正序排序BEGINIF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 –正向检索BEGINSET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '+ @TableName + @new_where2 + @PrimaryKey + ' > '+ '(SELECT MAX(' + @PrimaryKey + ') FROM (SELECT TOP '+ STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey+ ' FROM ' + @TableName+ @new_where1 + @new_order1 +' ) AS TMP) '+ @new_order1ENDELSE –反向检索BEGINSET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ('+ 'SELECT TOP ' + STR(@PageSize) + ' '+ @FieldList + ' FROM '+ @TableName + @new_where2 + @PrimaryKey + ' < '+ '(SELECT MIN(' + @PrimaryKey + ') FROM (SELECT TOP '+ STR(@TotalCount-@PageSize*@PageIndex) + ' ' + @PrimaryKey+ ' FROM ' + @TableName+ @new_where1 + @new_order2 +' ) AS TMP) '+ @new_order2+ ' ) AS TMP ' + @new_order1ENDENDIF @SortType = 2 –仅主键反序排序BEGINIF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 –正向检索BEGINSET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '+ @TableName + @new_where2 + @PrimaryKey + ' < '+ '(SELECT MIN(' + @PrimaryKey + ') FROM (SELECT TOP '+ STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey+' FROM '+ @TableName+ @new_where1 + @new_order1 + ') AS TMP) '+ @new_order1ENDELSE –反向检索BEGINSET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ('+ 'SELECT TOP ' + STR(@PageSize) + ' '+ @FieldList + ' FROM '+ @TableName + @new_where2 + @PrimaryKey + ' > '+ '(SELECT MAX(' + @PrimaryKey + ') FROM (SELECT TOP '+ STR(@TotalCount-@PageSize*@PageIndex) + ' ' + @PrimaryKey+ ' FROM ' + @TableName+ @new_where1 + @new_order2 +' ) AS TMP) '+ @new_order2+ ' ) AS TMP ' + @new_order1ENDENDIF @SortType = 3 –多列排序，必须包含主键，且放置最后，否则不处理BEGINIF CHARINDEX(',' + @PrimaryKey + ' ',',' + @Order) = 0BEGIN PRINT('ERR_02') RETURN ENDIF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 –正向检索BEGINSET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '+ 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '+ ' SELECT TOP ' + STR(@PageSize*@PageIndex) + ' ' + @FieldList+ ' FROM ' + @TableName + @new_where1 + @new_order1 + ' ) AS TMP '+ @new_order2 + ' ) AS TMP ' + @new_order1ENDELSE –反向检索BEGINSET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '+ 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '+ ' SELECT TOP ' + STR(@PageSize*@PageIndex) + ' ' + @FieldList+ ' FROM ' + @TableName + @new_where1 + @new_order1 + ' ) AS TMP '+ @new_order2 + ' ) AS TMP ' + @new_order1ENDENDENDEXEC(@Sql)
调用方法：
在时光的激流中，我们总会长大。
