分页存储过程！

于 2008-10-30 16:03:00 发布
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文章标签： 存储 sql output command null
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本文链接：https://blog.youkuaiyun.com/peter824/article/details/3185806
Create Procedure ListPage 
@tblName      Varchar(50),        /* 表名 */ 
@fldName      Varchar(50),        /* 字段名 */ 
@fldSort      Varchar(50),        /* 排序字段名 */ 
@PageSize     Int = 10,           /* 页尺寸 */ 
@PageIndex    Int = 1,            /* 页码 */ 
@IsCount      Bit = 0,            /* 返回记录总数, 非 0 值则返回 */ 
@OrderType    Bit = 0,            /* 设置排序类型, 非 0 值则降序 */ 
@strWhere     Varchar(1000) = ''  /* 查询条件 (注意: 不要加 Where) */ 
As Begin 
Declare @strSQL   Varchar(1000)   /* 主语句 */ 
Declare @strTmp   Varchar(300)    /* 临时变量 */ 
Declare @strOrder Varchar(400)    /* 排序类型 */ 

If @OrderType != 0 
Begin 
    Set @strTmp = '<(Select min' 
    Set @strOrder = ' Order By [' + @fldSort +'] DESC' 
End 
Else 
Begin 
    Set @strTmp = '>(Select max' 
    Set @strOrder = ' Order By [' + @fldSort +'] Asc' 
End 

Set @strSQL = 'Select Top ' + str(@PageSize) + ' ' + @fldName + ' From [' 
    + @tblName + '] Where [' + @fldSort + ']' + @strTmp + '([' 
    + @fldSort + ']) From (Select Top ' + str((@PageIndex-1)*@PageSize) + ' [' 
    + @fldSort + '] From [' + @tblName + ']' + @strOrder + ') As tblTmp)' 
    + @strOrder 

If @strWhere != '' 
Set @strSQL = 'Select Top ' + str(@PageSize) + ' ' + @fldName + ' From [' 
    + @tblName + '] Where [' + @fldSort + ']' + @strTmp + '([' 
    + @fldSort + ']) From (Select Top ' + str((@PageIndex-1)*@PageSize) + ' [' 
    + @fldSort + '] From [' + @tblName + '] Where (' + @strWhere + ') ' 
    + @strOrder + ') As tblTmp) And (' + @strWhere + ') ' + @strOrder 

If @PageIndex = 1 
Begin 
    Set @strTmp = '' 
    If @strWhere != '' 
        Set @strTmp = ' Where (' + @strWhere + ')' 

    Set @strSQL = 'Select Top ' + str(@PageSize) + ' ' + @fldName + ' From [' 
        + @tblName + ']' + @strTmp + ' ' + @strOrder 
End 

If @IsCount != 0 
Begin 
    Set @strSQL = 'Select Count(*) As Total From [' + @tblName + ']' 
    If @strWhere != '' Set @strSQL = @strSQL + ' Where (' + @strWhere + ') '
End 
Exec (@strSQL) 
End 

 

 

--------------------------------------------------------------------------------------------------------------------------------------------------

 

 

public DataTable ProcListPage(string tableName, string fldName, string fldSort, int PageSize, int PageIndex, string strWhere, bool IsCount, bool OrderType)
        {
            Open();
            command.CommandType = CommandType.StoredProcedure;
            command.Parameters.Add("@tblName", SqlDbType.VarChar, 50);
            command.Parameters["@tblName"].Value = tableName;
            command.Parameters.Add("@fldName", SqlDbType.VarChar, 50);
            command.Parameters["@fldName"].Value = fldName;
            command.Parameters.Add("@fldSort", SqlDbType.VarChar, 50);
            command.Parameters["@fldSort"].Value = fldSort;
            command.Parameters.Add("@PageSize", SqlDbType.Int);
            command.Parameters["@PageSize"].Value = PageSize;
            command.Parameters.Add("@PageIndex", SqlDbType.Int);
            command.Parameters["@PageIndex"].Value = PageIndex;
            command.Parameters.Add("@IsCount", SqlDbType.Bit);
            command.Parameters["@IsCount"].Value = IsCount;
            command.Parameters.Add("@OrderType", SqlDbType.Bit);
            command.Parameters["@OrderType"].Value = OrderType;
            command.Parameters.Add("@strWhere", SqlDbType.VarChar, 1000);
            command.Parameters["@strWhere"].Value = strWhere;

            command.CommandText = "ListPage";

            try
            {
                DataSet eDataSet = new DataSet();
                SqlDataAdapter objOleAdapter = new SqlDataAdapter();
                objOleAdapter.SelectCommand = command;
                if (objOleAdapter.Equals(null)) return null;
                objOleAdapter.Fill(eDataSet, tableName);
                Close();
                return eDataSet.Tables[tableName];
            }
            catch { Close(); return null; }
        }

 

 

 

--------------------------------------------------------------------------------------------------------------------------------------------------

 

 

 

set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go


ALTER PROC [dbo].[pro_TablePages]
/*
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),     --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
EXEC(@Sql)

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