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- Create PROC P_viewPage_A
- /*
- nzperfect [no_mIss] 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
- */
- @TableName VARCHAR(200),
- @FieldList VARCHAR(2000),
- @PrimaryKey VARCHAR(100),
- @Where VARCHAR(2000),
- @Order VARCHAR(1000),
-
- @SortType INT,
- @RecorderCount INT,
- @PageSize INT,
- @PageIndex INT,
- @TotalCount INT OUTPUT,
- @TotalPageCount INT OUTPUT
- 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
- BEGIN
- SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '
- + @TableName + @new_where1 + @new_order1
- END
- IF @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize)
- 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
- BEGIN
- IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2
- 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
- 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
- BEGIN
- IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2
- 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
- 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
- BEGIN
- IF CHARINDEX(',' + @PrimaryKey + ' ',',' + @Order) = 0
- BEGIN PRINT('ERR_02') RETURN END
- IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2
- 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
- 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
- EXEC(@Sql)
- GO
转载于:https://www.cnblogs.com/leonn/archive/2009/04/25/1443303.html