用asp开发试题库与在线考试系统(8)_asp实例

　　七、附录：源程序列表

　　由于源代码繁多，限于篇幅，无法一一列举，现只公布部分代码，具体以系统实物为准。下面是录入试题.asp文件：

＜script language="VBScript"＞
＜!– Written by HeKai 2001
Function datacheck()确保前台输入数据合法
　dim errflag, msg
　errflag = True
　if Len(Trim(luru.xzsj.value)) = 0 Then
　　focusto(1); errflag = false; msg="请输入 选自书籍名称"
　ElseIf Len(Trim(luru.stnr.value)) = 0 Then
　　focusto(9); errflag = false; msg=" 试题内容 呢"
　ElseIf Len(Trim(luru.A.value)) = 0 Then
　　focusto(10); errflag = false; msg=" 答案_A 呢"
　　　┋ ┋ ┋
　ElseIf Len(Trim(luru.F.value)) = 0 Then
　　focusto(15); errflag = false; msg="请还原成默认值"
　End if
　If (errflag = false) then
　　msg = msg & vbCRLF
　　MsgBox msg, 64, "提示"
　　Exit Function
　End if
　　datacheck = errflag; luru.Submit
End Function

Sub focusto(x)将鼠标定位在出错处
document.luru.elements(x).focus()
End Sub
–＞＜/script＞

　　以下是录入试题.inc文件：

＜script Language="VBScript" RunAt="Server"＞
　Function check_Pass()检查库中是否已有此数据
　　kmxxmc = Request.Form("kmxxmc")
　　stbh = Request.Form("stbh") stnr = Request.Form("stnr")
　　SQLstr = "select * from " & kmxxmc & " where stbh=" & "" & stbh & ""
　　SQLstr = SQLstr & " or tmnr=" & "" & stnr & ""
　　set adocon=Server.CreateObject("ADODB.Connection")
　　adocon.Open "zxtest"
　　set sa1=adocon.Execute(SQLstr)
　　If sa1.EOF Then
　　　check_Pass = False
　　Else
　　　check_Pass = True
　　End If
　　sa1.Close adocon.Close
End Function

Sub Add_Comment()开始插入数据并显示出来
　Dim kmxxmc,xzsj,tmlx,nycd,jxyq,stbh,stnr
　Dim A,B,C,D,E,F,bzda,lrz,Picstr,SQLstr,lr_date,zhang,jie
　kmxxmc = Request.Form("kmxxmc") xzsj = Request.Form("xzsj")
　　┋ ┋ ┋
　bzda = Request.Form("bzda") zhang = Request.form("zhang")
　set adocon=Server.CreateObject("ADODB.Connection")
　adocon.Open "zxtest"
　SQLstr = "insert into " & kmxxmc & " (xzsj,tmlx,tmnd,jxyq,stbh,tmnr, 　bxda_a,"
　SQLstr = SQLstr & ",jie,lrz) values (" & "" & xzsj & "," & "" & tmlx & ","
　　┋ ┋ ┋
　SQLstr = SQLstr & "," & "" & date & "," & "" & zhang & "," & "" & jie & "," SQLstr = SQLstr & "" & lrz & ")"
　set sa1 = adocon.Execute(SQLstr)
　Picstr="＜img src=/images/hekai.jpg＞"
　Response.Write "恭喜！此为＜i＞ " & lrz & "＜/i＞ 刚才录入的试题"
　Response.Write Picstr & " 试题编号：" & stbh
　Response.Write "试题内容：" & stnr & "＜br＞"
　Response.Write "答案_A：" & A & "＜br＞"
　　┋ ┋ ┋
　adocon.Close
End Sub

Sub Register()
　If check_Pass() Then 如果库中已有的话，则给出提示信息
　　Show_Warning()
　Else 否则添加进去
　　Add_Comment()
　End If
End Sub

Sub Show_Warning()给出提示信息的函数
　Response.Write("＜p＞")
　Response.Write("＜center＞很抱歉＜p＞")
　Response.Write("库中已有此试题编号或试题内容，请返回前页修改！")
　Response.Write("＜/center＞")
　Response.Write("Made by hekai himself in 2001")
End Sub
＜/script＞

此为"检索试题"的程序代码：
＜script Language="VBScript" RunAt="Server"＞
Function adjust_sql(adj_str)
　目的—转换查询字符串中的特殊字符至SQL指令
　Dim final_str, i WRITE BY HEKAI2001
　adj_str = Trim(adj_str)
　final_str = "" 每次从传进来的字符串中取出一个字符，并判断是否为下述三个字符之一： DOS的Filter符号"|"、左中括号"["以及单引号""
　If Len(adj_str) ＞ 0 Then
　　For i = 1 To Len(adj_str)
　　　Select Case Mid(adj_str, i, 1)
　　　　　Case "[": final_str = final_str & "[[]"
　　　　　Case "|": final_str = final_str & "[{-}]"
　　　　　Case "": final_str = final_str & "[&-()"
　　　　　Case Else: 以上皆非则什么事都不做！
　　　　　final_str = final_str & Mid(adj_str, i, 1)
　　　End Select
　　Next
　End If
　adjust_sql = final_str
End Function

Sub Output_shiti()
　Dim kmxxmc,xzsj,stbh,zhang,jie,tmlx,nycd,jxyq,lrz,stnr,cond_count, Picstr
　Dim SQLstr,mf,zhangfw,jiefw,stbhfw,nycdfw,lr_datefw,lr_date
　记录指定条件的栏位总数
　cond_count = 10; mf = "%"
　Picstr="＜img src=/images/hk.gif＞"
　取得表单栏位内容
　kmxxmc = Request.Form("kmxxmc")
　stbh = Request.Form("stbh")
　　┋ ┋ ┋
　stnr = Request.Form("stnr")
　调整SQL指令中的特定字元
　kmxxmc = adjust_sql(kmxxmc)
　stbh = adjust_sql(stbh)
　　┋ ┋ ┋
　stnr = adjust_sql(stnr)
　If Len(xzsj) = 0 Then cond_count = cond_count – 1
　　If Len(stbh) = 0 Then cond_count = cond_count – 1
　　┋ ┋ ┋
　　If Len(stnr) = 0 Then cond_count = cond_count – 1
　　　SQLstr = "select * from " & kmxxmc & " where "
　　If Len(stbh) ＞ 0 Then
　　　SQLstr = SQLstr & " stbh " & stbhfw & "" & stbh & ""
　　If cond_count ＞ 1 Then
　　　SQLstr = SQLstr & " and "
　　　cond_count = cond_count – 1
　　End If
　End If
　　┋ ┋ ┋
　If Len(stnr) ＞ 0 Then
　　SQLstr = SQLstr & " tmnr like " & "" & mf & stnr & mf & ""
　　If cond_count ＞ 1 Then
　　　SQLstr = SQLstr & " and "
　　　cond_count = cond_count – 1
　　End If
　End If
　SQLstr = SQLstr & " order by lr_date DESC "
　set adocon=Server.CreateObject("ADODB.Connection")
　adocon.Open "zxtest"
　set sa1 = adocon.Execute(SQLstr)
　If sa1.EOF Then
　　Response.Write "＜br＞＜center＞＜h1＞"
　　Response.Write "Sorry!＜p＞"
　　Response.Write "没有找到试题，"
　　esponse.Write "请重试一次！＜/center＞＜p＞"
　　Response.Write "＜hr＞＜/h1＞"
　Else
　　i = 0
　　Response.Write "＜h2＞"
　　Response.Write "符合条件的试题相关内容如下:"
　　Response.Write "＜/h2＞"
　　While Not sa1.EOF
　　　i = i + 1
　　　Response.Write "第 ＜i＞" & i & "＜/i＞题 题编号：＜i＞" & sa1("stbh") & "＜/i＞＜br＞"
　　　Response.Write "试题内容：" & sa1("tmnr") & "＜br＞"
　　　　┋ ┋ ┋
　　Response.Write "答案A：" & sa1("bxda_a") & "＜br＞"
　　sa1.MoveNext
　　WEnd
　　adocon.Close
　End If
End Sub
＜/script＞

＜% "检索试卷"的查询方式源代码
　mf="%"
　select case request("findfs")
　　case "sjbh"
　　　sqlstr="SELECT * FROM tbsjxx WHERE " & " sjbh LIKE"
　　　sqlstr=sqlstr & "" & mf & request("findfsz") & mf & "order by ksrq DESC"
　　　┋ ┋ ┋
　　case "lr_date"
　　　sqlstr="SELECT * FROM tbsjxx WHERE " & " lr_date LIKE"
　　　sqlstr=sqlstr & "" & mf & request("findfsz") & mf & "order by ksrq DESC"
　　case else
　　　sqlstr="SELECT * FROM tbsjxx order by ksrq DESC"
end select %＞

　　下面是考试的时间自动控制程序（便于演示只设了60秒钟，实际应用应以系统调出试卷的考试时间为准！）：

＜SCRIPT language=JavaScript＞
＜!– Write by HEKAI for TestTimeContorl
var timerID = null;var timerRunning = false
var stardate = new Date();var startime = gettotalsecond(stardate)
var totaltime = 60; var lasttime;var facetime
function Stepclock(){
// hk made by himself
if(timerRunning)
clearTimeout(timerID)
timerRunning = false }
function startclock(){
Stepclock();showtime() }
function gettotalsecond(getdate){
var hours = getdate.getHours()
var minutes = getdate.getMinutes();var seconds = getdate.getSeconds()
var gettotalsecond = seconds + minutes * 60 + hours * 3600
return(gettotalsecond) }
function showtime(){
var now = new Date();var timeValue = gettotalsecond(now)
document.clock.face.value = timeValue – startime
facetime = document.clock.face.value;lasttime = totaltime – facetime
document.clock.sytime.value = lasttime
timerID = setTimeout("showtime()",1000)
timerRunning = true
if (lasttime == 20){
for(i=1;i＜=3;i++){
alert(考试时间只剩下最后20秒！)}}
if (lasttime == 0){
for(i=1;i＜=5;i++){
alert(时间完毕！请迅速交卷！！)}}
if (lasttime == -10){
for(i=1;i＜=10;i++){
alert(考试时间超过10秒，关闭此窗口！)}}
}//–＞
＜/SCRIPT＞  

　　八、后记

　　此系统从研究设计到投入实际应用历时4个月之余，通过多次细致的测试及鉴定，证明系统完全具有可行性与可扩充性，就最近传来的消息，该系统获得了湖南省科技厅的普遍好评。另外，系统还有待于进一步升级，并将实现试卷的主观题部分和多媒体试卷。因此，仍有大量的工作需要开展。若有不详或不妥之处，请您以应用程序为准以及提出良好的意见与建议。