SQLServer分页查询存储过程

Posted 2020-06-14

项目中用到的SQLServer分页查询存储过程。

【存储过程】

create PROCEDURE prcPageResult

-- 获得某一页的数据 --
@currPage int = 1,                         --当前页页码 (即Top currPage)
@showColumn varchar(2000) = ‘*‘,           --须要得到的字段 (即 column1,column2,......)
@strCondition varchar(2000) = ‘‘,          --查询条件 (即 where condition......) 不用加wherekeyword
@ascColumn varchar(100) = ‘‘,              --排序的字段名 (即 order by column asc/desc)
@bitOrderType bit = 0,                     --排序的类型 (0为升序,1为降序)
@pkColumn varchar(50) = ‘‘,                --主键名称
@pageSize int = 20,                        --分页大小
@RecordCount int output --返回总行数


AS
BEGIN -- 存储过程開始
-- 该存储过程须要用到的几个变量 --
DECLARE @strTemp varchar(1000)
DECLARE @strSql varchar(4000)                   --该存储过程最后运行的语句
DECLARE @strSql01 varchar(4000) 
DECLARE @strOrderType varchar(1000)      --排序类型语句 (order by column asc或者order by column desc)




BEGIN
IF @bitOrderType = 1   -- bitOrderType=1即运行降序
BEGIN
    SET @strOrderType = ‘ ORDER BY ‘+@ascColumn+‘ DESC‘
    SET @strTemp = ‘<(SELECT min‘
END
ELSE
BEGIN
    SET @strOrderType = ‘ ORDER BY ‘+@ascColumn+‘ ASC‘
    SET @strTemp = ‘>(SELECT max‘
END


IF @currPage = 1    -- 假设是第一页
BEGIN
    IF @strCondition != ‘‘
        SET @strSql = ‘SELECT TOP ‘+STR(@pageSize)+‘ ‘+@showColumn+‘ FROM dbo.DemoData ‘+
            ‘ WHERE ‘+@strCondition+@strOrderType
    ELSE
        SET @strSql = ‘SELECT TOP ‘+STR(@pageSize)+‘ ‘+@showColumn+‘ FROM dbo.DemoData ‘+@strOrderType
END


ELSE    -- 其它页
BEGIN
    IF @strCondition !=‘‘
        SET @strSql = ‘SELECT TOP ‘+STR(@pageSize)+‘ ‘+@showColumn+‘ FROM dbo.DemoData ‘+
        ‘ WHERE ‘+@strCondition+‘ AND ‘+@pkColumn+@strTemp+‘(‘+@pkColumn+‘)‘+‘ FROM (SELECT TOP ‘+STR((@currPage-1)*@pageSize)+
        ‘ ‘+@pkColumn+‘ FROM dbo.DemoData ‘+@strOrderType+‘) AS TabTemp)‘+@strOrderType
    ELSE
        SET @strSql = ‘SELECT TOP ‘+STR(@pageSize)+‘ ‘+@showColumn+‘ FROM dbo.DemoData ‘+
        ‘ WHERE ‘+@pkColumn+@strTemp+‘(‘+@pkColumn+‘)‘+‘ FROM (SELECT TOP ‘+STR((@currPage-1)*@pageSize)+‘ ‘+@pkColumn+
        ‘ FROM dbo.DemoData ‘+@strOrderType+‘) AS TabTemp)‘+@strOrderType
END

END

select @RecordCount=COUNT(*) from dbo.DemoData

EXEC (@strSql)


END  -- 存储过程结束
------------------------------------------------

GO

【调用方式】

DECLARE @RecordCount int
exec prcPageResult 1,‘*‘,‘‘,‘id‘,1,‘id‘,10,@RecordCount out
SELECT @RecordCount

---

DECLARE @RecordCount int
exec prcPageResult 1,‘*‘,‘name=‘‘hugh‘‘‘,‘id‘,0,‘id‘,10,@RecordCount out --存储过程中转义字符为‘。所以name=’hugh‘正确的写法应该是‘name=‘‘hugh‘‘‘而不是‘name=/‘hugh/‘‘
SELECT @RecordCount