📄 18.2 在线考试代码（二）.htm

📁 一些javascript的小例子希望对初学者有更好的帮助
💻 HTM
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<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>标题页</title>
<script language="JavaScript">
var Total_Question = 4		// 考题的数量
var msg = ""
                           // 正确答案-保存在数组中
  var Answer = new Array(Total_Question)
  Answer[0] = "TCP/IP"
  Answer[1] = "网关"
  Answer[2] = "Microsoft"
  Answer[3] = "网络信息服务"
function GetSelectedButton(ButtonGroup)//获取用户的选择
{
  for (var x=0; x < ButtonGroup.length; x++)
    if (ButtonGroup[x].checked) return x
  return 0
} 

function ReportScore(correct)          //显示最终的考试结果
{ 
  var SecWin = 
      window.open("","scorewin","scrollbars,width=300,height=220")
  var MustHave1 = "<HTML><HEAD><TITLE>测验成绩报告</TITLE></HEAD><BODY>"
  var Percent = "<H2>测验成绩 : "+Math.round(correct/Total_Question*100)
		 + "</H2><HR>"
  lastscore=Math.round(correct/Total_Question*100)
  if (lastscore == "100"){
  msg = MustHave1 +Percent + "<font color='red'>恭喜，全部答对了！</font><p>" + msg  + "<input type='button' value='close' onclick=javascript:window.close()></BODY></HTML>"}
  else {
  msg = MustHave1 +Percent + "<font color='red'>正确答案：</font><p>" + msg  + "<input type='button' value='close' onclick=javascript:window.close()></BODY></HTML>"
}  
  SecWin.document.write(msg)                    //输出提示信息
  msg = ""                                      //清空信息提示
}

function Score()
{
  var correct = 0
  var wrong = 0
  for (number=0; number < Total_Question; number++)
    {
      var form = document.forms[number]      // 循环获取每一个问题
      var i = GetSelectedButton(form.q1)     //获取问题中的选择项
      if (form.q1[i].value == "1")           //如果选择1，表示选择正确
	 { correct++ } 
	else 
	 { wrong++                               //错误的变量+1
	   msg += "Question "+(number+1)+"."
		  +Answer[number]+"<BR>"
	 }
    }
    ReportScore(correct)                    //输出最终结果

}
</script>

</head>
<body>
<table width="75%" border="0" align="center">
  <tr>
    <td>
      <form>
三个非常简单的问题：<p>
(1)Internet上使用的网络协议是：__________
<br>
<input type="radio" name="q1" value="0" checked>FTP
<input type="radio" name="q1" value="1">TCP/IP
<input type="radio" name="q1" value="0">HTTP
<br><br> </form>

<form>
(2)GateWay是指：__________
<br>
<input type="radio" name="q1" value="0" checked>网桥
<input type="radio" name="q1" value="0">集线器
<input type="radio" name="q1" value="1">网关
<input type="radio" name="q1" value="0">路由器
<br><Br> </form>

<form>
(3)ASP.NET是哪个公司的产品：__________
<br>
<input type="radio" name="q1" value="0" checked>IBM
<input type="radio" name="q1" value="1">Microsoft
<input type="radio" name="q1" value="0">SUN
<br><Br> </form>

<form>
(4)IIS(Internet Information Server)的中文是：__________
<br>
<input type="radio" name="q1" value="0" checked>在线网站管理
<input type="radio" name="q1" value="1">网络信息服务
<input type="radio" name="q1" value="0">网络虚拟路由器
<br><Br> </form>

<form>
        <div align="center">
          <input type="button" name="Submit" value="看看成绩"  onClick="Score()" class="pt9">
        </div>
      </form>
    </td>
  </tr>
</table>
</body>
</html>
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