sql2000的分页存储过程(转)

http://topic.csdn.net/u/20080228/21/e43c3eb5-8cf6-436d-9341-1da69e2c5756.html?seed=1962400939
CREATE PROC P_viewPage        
   
/*         
    nzperfect 高效通用分页存储过程(双向检索) 2007.5.7  QQ:34813284         
    敬告:适用于单一主键或存在唯一值列的表或视图         
    ps:Sql语句为8000字节,调用时请注意传入参数及sql总长度不要超过指定范围
    ps:多列排序时,请自行加索引        
   
*/         
   
@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(2000),        --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         
AS         
SET NOCOUNT ON         
   
IF ISNULL(@TotalCount,'') = '' SET @TotalCount = 0         
   
SET @Order = RTRIM(LTRIM(@Order))         
   
SET @PrimaryKey = RTRIM(LTRIM(@PrimaryKey))         
   
SET @FieldList = REPLACE(RTRIM(LTRIM(@FieldList)),' ','')         
   
WHILE CHARINDEX(', ',@Order) > 0 OR CHARINDEX(' ,',@Order) > 0         
       
BEGIN         
           
SET @Order = REPLACE(@Order,', ',',')         
           
SET @Order = REPLACE(@Order,' ,',',')         
       
END         
   
IF ISNULL(@TableName,'') = '' OR ISNULL(@FieldList,'') = ''         
           
OR ISNULL(@PrimaryKey,'') = ''         
           
OR @SortType < 1 OR @SortType >3         
           
OR @RecorderCount  < 0 OR @PageSize < 0 OR @PageIndex < 0         
       
BEGIN         
           
PRINT('ERR_00')         
           
RETURN         
       
END         
   
IF @SortType = 3         
       
BEGIN         
           
IF (UPPER(RIGHT(@Order,4))!=' ASC' AND UPPER(RIGHT(@Order,5))!=' DESC')         
               
BEGIN PRINT('ERR_02') RETURN END         
       
END         
   
DECLARE @new_where1 VARCHAR(1000)         
   
DECLARE @new_where2 VARCHAR(1000)         
   
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,'') = ''         
       
BEGIN         
           
SET @new_where1 = ' '         
           
SET @new_where2 = ' WHERE  '         
       
END         
   
ELSE         
       
BEGIN         
           
SET @new_where1 = ' WHERE ' + @where         
           
SET @new_where2 = ' WHERE ' + @where + ' AND '         
       
END         
   
IF ISNULL(@order,'') = '' OR @SortType = 1  OR @SortType = 2         
       
BEGIN         
           
IF @SortType = 1         
               
BEGIN         
                   
SET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' ASC'         
                   
SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' DESC'         
               
END         
           
IF @SortType = 2         
               
BEGIN         
                   
SET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' DESC'         
                   
SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' ASC'         
               
END         
       
END         
   
ELSE         
       
BEGIN         
           
SET @new_order1 = ' ORDER BY ' + @Order         
       
END         
   
   
IF @SortType = 3 AND  CHARINDEX(','+@PrimaryKey+' ',','+@Order)>0         
   
BEGIN         
       
SET @new_order1 = ' ORDER BY ' + @Order         
       
SET @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 <> '*'         
           
BEGIN         
               
SET @new_order3 = REPLACE(REPLACE(@Order + ',','ASC,',','),'DESC,',',')         
               
SET @FieldList = ',' + @FieldList         
               
WHILE CHARINDEX(',',@new_order3)>0         
                   
BEGIN         
                       
IF CHARINDEX(SUBSTRING(','+@new_order3,1,CHARINDEX(',',@new_order3)),','+@FieldList+',')>0         
                           
BEGIN         
                               
SET @FieldList =         
                               
@FieldList + ',' + SUBSTRING(@new_order3,1,CHARINDEX(',',@new_order3))         
                           
END         
                       
SET @new_order3 =         
                       
SUBSTRING(@new_order3,CHARINDEX(',',@new_order3)+1,LEN(@new_order3))         
                   
END         
               
SET @FieldList = SUBSTRING(@FieldList,2,LEN(@FieldList))         
           
END         
       
END    
        
   
SET @SqlCount = 'SELECT @TotalCount=COUNT(*),@TotalPageCount=CEILING((COUNT(*)+0.0)/'         
   
+ CAST(@PageSize AS VARCHAR)+') FROM ' + @TableName + @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 OR @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize)         
       
BEGIN         
           
IF @PageIndex = 1 --返回第一页数据         
                BEGIN         
                   
SET @Sql = 'SELECT * FROM (SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '         
                   
+ @TableName + @new_where1 + @new_order1 +') AS TMP ' + @new_order1   
               
END         
           
IF @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize--返回最后一页数据         
                BEGIN         
                   
SET @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_order1         
               
END         
       
END         
   
ELSE
BEGIN         
       
IF @SortType = 1  --仅主键正序排序         
            BEGIN         
               
IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2  --正向检索         
                    BEGIN         
                       
SET @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_order1         
                   
END         
               
ELSE  --反向检索         
                    BEGIN         
                       
SET @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_order1         
                   
END         
           
END         
       
IF @SortType = 2  --仅主键反序排序         
            BEGIN         
               
IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2  --正向检索         
                    BEGIN         
                       
SET @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_order1         
                   
END         
               
ELSE  --反向检索         
                    BEGIN         
                       
SET @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_order1         
                   
END         
           
END         
       
IF @SortType = 3  --多列排序,必须包含主键,且放置最后,否则不处理         
            BEGIN         
               
IF CHARINDEX(',' + @PrimaryKey + ' ',',' + @Order) = 0         
                   
BEGIN PRINT('ERR_02') RETURN END         
                   
IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2  --正向检索         
                        BEGIN         
                           
SET @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_order1         
                       
END         
                   
ELSE  --反向检索         
                        BEGIN         
                           
SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '         
                           
+ 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '         
                           
+ ' SELECT TOP ' + STR(@TotalCount-@PageSize *@PageIndex+@PageSize) + ' ' + @FieldList         
                           
+ ' FROM ' + @TableName + @new_where1 + @new_order2 + ' ) AS TMP '         
                           
+ @new_order1 + ' ) AS TMP ' + @new_order1         
                       
END         
           
END         
       
END         
   
PRINT(@SQL)         
   
EXEC(@Sql)
posted @ 2008-02-29 10:19  jambol  阅读(284)  评论(0编辑  收藏  举报