SET QUOTED_IDENTIFIER ON GOSET ANSI_NULLS ON GOALTER PROC P_public_ViewPage /**//* no_mIss 通用分页存储过程 2007.3.1
适用于联合主键/单主键/存在能确定唯一行列/存在能确定唯一行的多列 (用英文,隔开) 调用： 第一页查询时返回总记录和总页数及第一页记录： EXECUTE P_public_ViewPage_per 'TableName','col1,col2,col3,col4','pk1,pk2,pk3', 'col5>0 and col7<9','pk1 asc,pk2 asc,pk3 asc',0,10,1, @TotalCount OUTPUT,@TotalPageCount OUTPUT 其它页调用，比如第89页(假设第一页查询时返回总记录为2000000)： EXECUTE P_public_ViewPage_per 'TableName','col1,col2,col3,col4','pk1,pk2,pk3', 'col5>0 and col7<9','pk1 asc,pk2 asc,pk3 asc',2000000,10,89, @TotalCount OUTPUT,@TotalPageCount OUTPUT */ @TableName VARCHAR(200), --表名 @FieldList VARCHAR(2000), --显示列名 @PrimaryKey VARCHAR(100), --单一主键或唯一值键或联合主键列表(用英文,隔开)或能确定唯一行的多列列表(用英文,隔开) @Where VARCHAR(1000), --查询条件 不含'where'字符 @Order VARCHAR(1000), --排序 不含'order by'字符,用英文,隔开 @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, --返回记录总数 @TotalPageCount INT OUTPUT --返回总页数 AS SET NOCOUNT ON SET @FieldList = REPLACE(@FieldList,' ','') IF @FieldList = '*' BEGIN SET @FieldList = 'A.*'END ELSE BEGIN SET @FieldList = 'A.' + REPLACE(@FieldList,',',',A.') END WHILE CHARINDEX(', ',@Order)>0 BEGIN SET @Order = REPLACE(@Order,', ',',') END IF ISNULL(@TableName,'') = '' OR ISNULL(@PrimaryKey,'') = '' OR @RecorderCount < 0 OR @PageSize < 0 OR @PageIndex < 0 BEGIN RETURN END DECLARE @new_where1 VARCHAR(1000) DECLARE @new_where2 VARCHAR(1000) DECLARE @new_where3 VARCHAR(1000) DECLARE @new_where4 VARCHAR(1000) DECLARE @new_order1 VARCHAR(1000) DECLARE @new_order2 VARCHAR(1000) DECLARE @Fields VARCHAR(1000) DECLARE @Sql VARCHAR(8000) DECLARE @SqlCount NVARCHAR(4000) SET @Fields = @PrimaryKey + ',' SET @new_where2 = '' SET @new_where4 = '' IF ISNULL(@where,'') = '' BEGIN SET @new_where1 = ' ' SET @new_where3 = ' WHERE ' END ELSE BEGIN SET @new_where1 = ' WHERE ' + @where + ' ' SET @new_where3 = ' WHERE 1=1 ' + REPLACE(' AND ' + @where,' AND ',' AND A.')+ ' AND ' END WHILE CHARINDEX(',',@Fields)>0 BEGIN SET @new_where2 = @new_where2 + 'A.' + LTRIM(LEFT(@Fields,CHARINDEX(',',@Fields)-1)) + ' = B.' + LTRIM(LEFT(@Fields,CHARINDEX(',',@Fields)-1)) + ' AND ' SET @new_where4 = @new_where4 + 'B.' + LTRIM(LEFT(@Fields,CHARINDEX(',',@Fields)-1)) + ' IS NULL AND ' SET @Fields = SUBSTRING(@Fields,CHARINDEX(',',@Fields)+1,LEN(@Fields)) END SET @new_where2 = LEFT(@new_where2,LEN(@new_where2)-4) SET @new_where4 = LEFT(@new_where4,LEN(@new_where4)-4) IF ISNULL(@order,'') = '' BEGIN SET @new_order1 = '' SET @new_order2 = '' END ELSE BEGIN SET @new_order1 = ' ORDER BY ' + @Order SET @new_order2 = ' ORDER BY ' + RIGHT(REPLACE(',' + @Order,',',', A.' ), LEN(REPLACE(',' + @Order,',',', A.' ))-1) END SET @SqlCount = 'SELECT @TotalCount=COUNT(*),@TotalPageCount=CEILING((COUNT(*)+0.0)/' + CAST(@PageSize AS VARCHAR)+') FROM ' + @TableName + ' A ' + @new_where1 IF @RecorderCount = 0 BEGIN EXEC SP_EXECUTESQL @SqlCount,N'@TotalCount INT OUTPUT,@TotalPageCount INT OUTPUT', @TotalCount OUTPUT,@TotalPageCount OUTPUT END ELSE BEGIN SELECT @TotalCount = @RecorderCount END IF @PageIndex > CEILING((@TotalCount+0.0)/@PageSize) BEGIN SET @PageIndex = CEILING((@TotalCount+0.0)/@PageSize) END IF @PageIndex = 1 BEGIN SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ' + @TableName + ' A'+ @new_where1 + @new_order1 END ELSE BEGIN SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ' + @TableName + ' A LEFT JOIN (SELECT TOP ' + STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey + ' FROM ' + @TableName + @new_where1 + @new_order1 + ' )B ON ' + @new_where2 + @new_where3 + @new_where4 + @new_order2 END EXEC(@Sql) GOSET QUOTED_IDENTIFIER OFF GOSET ANSI_NULLS ON GO
