【文件属性】:
文件名称:在线考试系统案例
文件大小:5.75MB
文件格式:RAR
更新时间:2021-04-02 08:50:39
在线考试系统
<head>
<base href="<%=basePath%>">
<title>在线考试信息系统</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
</head>
[removed]
function _reset()
{
document.getElementById("usName").value = "";
document.getElementById("usPassword").value = "";
document.getElementById("msg").value = "";
document.getElementById("yzmvl").value = "";
document.getElementById("isOkMsg").src = "<%=basePath%>/images/nos.png";
document.getElementById("usName").focus();
document.getElementById("login_ok").removeAttribute("disabled");
}
function _init()
{
document.getElementById("usName").focus();
document.getElementById("yzmvl").value = "";
}
var xmlRequest;
function _change(value)
{
//创建XMLHttpRequest对象
//判断浏览器兼容性问题 在JSP中null可以当false使用
if(window.XMLHttpRequest)
{
//非IE浏览器
xmlRequest = new XMLHttpRequest();
}
else
{
//IE浏览器
xmlRequest = new ActiveXObject("Microsoft.XMLHTTP");
}
//设置回滚函数
xmlRequest.onreadystatechange = _callBack;
//设置请求连接
xmlRequest.open("post", "randomCode?valueCod=" + value, true);
//发送请求
xmlRequest.send(null);
}
//回滚函数 在请求的服务执行完毕后 主动调用
var vlCod;
function _callBack()
{
//1.建立连接 请求信息发送完毕 服务器响应完毕
//readyState == 4 ------->服务器响应完毕
if(xmlRequest.readyState == 4)
{
//status == 200 表示服务器执行成功 如不成功:404 405 500
if(xmlRequest.status == 200)
{
vlCod = xmlRequest.responseText;
if(vlCod == "1")
{
document.getElementById("isOkMsg").src = "<%=basePath%>/images/yes.png";
document.getElementById("login_ok").removeAttribute("disabled");
}
else
{
document.getElementById("isOkMsg").src = "<%=basePath%>/images/NO.png";
document.getElementById("msg").value = "对不起!验证码错误。";
document.getElementById("login_ok").setAttribute("disabled", "disabled");
}
}
}
}
function _sub()
{
var usName = document.getElementById("usName").value;
var usPassword = document.getElementById("usPassword").value;
var yzmvl = document.getElementById("yzmvl").value;
if(usName == null || usName == "")
{
document.getElementById("msg").value ="对不起!用户名不能为空。";
document.getElementById("usName").focus();
return false;
}
if(usPassword == null || usPassword == "")
{
document.getElementById("msg").value ="对不起!密码不能为空。";
document.getElementById("usPassword").focus();
return false;
}
if(yzmvl == null || yzmvl == "")
{
document.getElementById("msg").value ="对不起!验证码不能为空。";
document.getElementById("yzmvl").focus();
return false;
}
if(vlCod != 1 || vlCod !="1")
{
document.getElementById("msg").value ="";
return false;
}
return true;
}
function changeCode()
{
document.getElementById("yzm").src = "randomCode";
}
[removed]