sql存储过程分页

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SET QUOTED_IDENTIFIER ON GOSET ANSI_NULLS ON GOALTER  PROC P_viewPage     /**//*         nzperfect [no_mIss] 高效通用分页存储过程(双向检索) 2007.5.7  
         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),     --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 TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '                                 + @TableName + @new_where1 + @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) GOSET QUOTED_IDENTIFIER OFF GOSET ANSI_NULLS ON GO


 

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