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[原创]一个考试系统中的存储过程用来生成试卷用的

王朝other·作者佚名  2006-01-09
窄屏简体版  字體: |||超大  

CREATE proc paperbuild @papername char(200), @subject char(10), @xzt int,@xztn int,@tkt int,@tktn int,@pdt int,@pdtn int,

@wdt int,@wdtn int as

/*

power by :liujun

address:衡阳师范学院计算机系0102班

选择题生成部分

*/

declare @bxzt int,@ken varchar(8000)

declare @tempsql varchar(8000),@lxzt int,@lsnd int

set @bxzt=@xzt/2

set @ken=(select top 1 kenlist from tempkenlist where papername=@papername)

set @tempsql='insert into paper(question1,q_type,right_answer,option1,difficulty) select top '+str(@bxzt)+' question1,q_type,right_answer,option1,difficulty from question where q_type=''选择题'' and subject='''+@subject+''' and ken in '+@ken+' order by newid()'

execute(@tempsql)

set @tempsql='update paper set papername='''+@papername+''' where papername is null'

execute(@tempsql)

set @lxzt=@xzt-@bxzt

set @lsnd=(select avg(difficulty) from paper where papername=@papername and q_type='选择题')

if @lsnd>@xztn

begin

set @tempsql='insert into paper(question1,q_type,right_answer,option1,difficulty) select top '+str(@lxzt)+' question1,q_type,right_answer,option1,difficulty from question where q_type=''选择题'' and subject='''+@subject+''' and difficulty<'''+str(@lsnd)+''' and ken in '+@ken+' and question1 not in(select question1 from paper where q_type=''选择题'' and papername='''+@papername+''') order by newid()'

execute (@tempsql)

end

else

begin

set @tempsql='insert into paper(question1,q_type,right_answer,option1,difficulty) select top '+str(@lxzt)+' question1,q_type,right_answer,option1,difficulty from question where q_type=''选择题'' and subject='''+@subject+''' and difficulty>'''+str(@lsnd)+''' and ken in '+@ken+' and question1 not in(select question1 from paper where q_type=''选择题'' and papername='''+@papername+''') order by newid()'

execute (@tempsql)

end

set @tempsql='update paper set papername='''+@papername+''' where papername is null'

execute(@tempsql)

/*

填空题生成部分

*/

declare @btkt int,@ltkt int

set @btkt=@tkt/2

set @tempsql='insert into paper(question1,q_type,right_answer,option1,difficulty) select top '+str(@btkt)+' question1,q_type,right_answer,option1,difficulty from question where q_type=''填空题'' and subject='''+@subject+''' and ken in '+@ken+' order by newid()'

execute(@tempsql)

set @tempsql='update paper set papername='''+@papername+''' where papername is null'

execute(@tempsql)

set @ltkt=@tkt-@btkt

set @lsnd=(select avg(difficulty) from paper where papername=@papername and q_type='填空题')

if @lsnd>@tktn

begin

set @tempsql='insert into paper(question1,q_type,right_answer,option1,difficulty) select top '+str(@ltkt)+' question1,q_type,right_answer,option1,difficulty from question where q_type=''填空题'' and subject='''+@subject+''' and difficulty<'''+str(@lsnd)+''' and ken in '+@ken+' and question1 not in(select question1 from paper where q_type=''填空题'' and papername='''+@papername+''') order by newid()'

execute (@tempsql)

end

else

begin

set @tempsql='insert into paper(question1,q_type,right_answer,option1,difficulty) select top '+str(@ltkt)+' question1,q_type,right_answer,option1,difficulty from question where q_type=''填空题'' and subject='''+@subject+''' and difficulty>'''+str(@lsnd)+''' and ken in '+@ken+' and question1 not in(select question1 from paper where q_type=''填空题'' and papername='''+@papername+''') order by newid()'

execute (@tempsql)

end

set @tempsql='update paper set papername='''+@papername+''' where papername is null'

execute(@tempsql)

/*

判断题生成部分

*/

declare @bpdt int,@lpdt int

set @bpdt=@pdt/2

set @tempsql='insert into paper(question1,q_type,right_answer,option1,difficulty) select top '+str(@bpdt)+' question1,q_type,right_answer,option1,difficulty from question where q_type=''判断题'' and subject='''+@subject+''' and ken in '+@ken+' order by newid()'

execute(@tempsql)

set @tempsql='update paper set papername='''+@papername+''' where papername is null'

execute(@tempsql)

set @lpdt=@pdt-@bpdt

set @lsnd=(select avg(difficulty) from paper where papername=@papername and q_type='判断题')

if @lsnd>@pdtn

begin

set @tempsql='insert into paper(question1,q_type,right_answer,option1,difficulty) select top '+str(@lpdt)+' question1,q_type,right_answer,option1,difficulty from question where q_type=''判断题'' and subject='''+@subject+''' and difficulty<'''+str(@lsnd)+''' and ken in '+@ken+' and question1 not in (select question1 from paper where q_type=''判断题'' and papername='''+@papername+''') order by newid()'

execute (@tempsql)

end

else

begin

set @tempsql='insert into paper(question1,q_type,right_answer,option1,difficulty) select top '+str(@lpdt)+' question1,q_type,right_answer,option1,difficulty from question where q_type=''判断题'' and subject='''+@subject+''' and difficulty>'''+str(@lsnd)+''' and ken in '+@ken+' and question1 not in (select question1 from paper where q_type=''判断题'' and papername='''+@papername+''') order by newid()'

execute (@tempsql)

end

set @tempsql='update paper set papername='''+@papername+''' where papername is null'

execute(@tempsql)

/*

问答题生成部分

*/

declare @bwdt int,@lwdt int

set @bwdt=@wdt/2

set @tempsql='insert into paper(question1,q_type,right_answer,option1,difficulty) select top '+str(@bwdt)+' question1,q_type,right_answer,option1,difficulty from question where q_type=''问答题'' and subject='''+@subject+''' and ken in '+@ken+' order by newid()'

execute(@tempsql)

set @tempsql='update paper set papername='''+@papername+''' where papername is null'

execute(@tempsql)

set @lwdt=@wdt-@bwdt

set @lsnd=(select avg(difficulty) from paper where papername=@papername and q_type='问答题')

select @wdtn

if @lsnd>@wdtn

begin

set @tempsql='insert into paper(question1,q_type,right_answer,option1,difficulty) select top '+str(@lwdt)+' question1,q_type,right_answer,option1,difficulty from question where q_type=''问答题'' and subject='''+@subject+''' and ken in '+@ken+' and difficulty<'+str(@lsnd)+' and question1 not in (select question1 from paper where q_type=''问答题'' and papername='''+@papername+''') order by newid()'

execute (@tempsql)

end

else

begin

set @tempsql='insert into paper(question1,q_type,right_answer,option1,difficulty) select top '+str(@lwdt)+' question1,q_type,right_answer,option1,difficulty from question where q_type=''问答题'' and subject='''+@subject+''' and ken in '+@ken+' and difficulty>'+str(@lsnd)+' and question1 not in (select question1 from paper where q_type=''问答题'' and papername='''+@papername+''') order by newid()'

execute (@tempsql)

end

set @tempsql='update paper set papername='''+@papername+''' where papername is null'

execute(@tempsql)

 
 
 
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