答题卡系统: 网站运行效果

JS制作简易的考试答题管理系统-LMLPHP

代码区域:

HTML 代码:

<style type="text/css">
body {
font-size: 30px;
background: beige;
font-family: "宋体";
} #container {
margin: 1px auto; /*调整边缘*/
} #box {
overflow: hidden; /*隐藏溢出;*/
} #box label {
margin-top: 5px; /*上边距*/
background: #cde6c7;
width: 80px;
display: inline-block; /*显示内连*/
text-align: right; /*排列文本*/
margin-left: 50px;
}
</style>

js 代码:

<script type="text/javascript">
window.onload = function() {
var row = ;//行
var col = ;//列
var mybody = document.getElementById('mybody');
if (col > ) {
//设置样式 宽度
mybody.style.width = document.body.scrollWidth + (col - ) * ;
} initOptions(row, col);
var btn = document.getElementById("F");
var btn2 = document.getElementById('d');
btn2.onclick = names;
btn.onclick = btnClick;
//创建一个rchoice
var cbxs = document.getElementsByName("rchoice");
for (var i = ; i < cbxs.length; i++) {
cbxs[i].style.cssText = "margin-left:20px;";
}
};
//调度方法 打印行和列
function btnClick() {
var a = document.getElementById("a");
var b = document.getElementById("b");
var hang = a.value;
var lie = b.value;
initOptions(hang, lie); };
//判断用户名是否存在
function names() {
var text = document.getElementById('c');
var name = text.value;
if (name != "") {
alert("OK");
} else {
alert('请填写用户名'); }
}
//动态加载答题区控件!
function initOptions(row, column) {
//创建一个box
var box = document.getElementById('box');
box.innerHTML = "";
//题目编号,从0开始
var count = ;//计算题目编号
var mytag; //CheckBox的Tag属性值
for (var i = ; i <= row; i++) {
count++;
var mydiv = document.createElement("div");
box.appendChild(mydiv);//获取子节点
mydiv.style.overflow = "auto";
for (var j = ; j <= column; j++) { //默认j的值为2
//创建一个label
var label = document.createElement('label');
//设置座位号
if (j == ) {
label.innerHTML = count + "题";
mytag = count; } else { //多列的情况下创建题目编号的方式
label.innerHTML = (count + row * (j - )) + "题";
mytag = count + row * (j - );
} var littlediv = document.createElement("div");
littlediv.style.float = "left";
mydiv.appendChild(littlediv);
littlediv.appendChild(label); //创建四个选项
//第一个checkbox DOM Checkbox 对象
var cb1 = document.createElement("input");
cb1.setAttribute("type", "checkbox");
cb1.setAttribute("value", "A:" + mytag);
cb1.setAttribute("name", "rchoice");
var cbtxt = document.createTextNode("A");
littlediv.appendChild(cb1);
littlediv.appendChild(cbtxt); //第二个checkbox DOM Checkbox 对象
var cb2 = document.createElement("input");
cb2.setAttribute("type", "checkbox");
cb2.setAttribute("value", "B:" + mytag);
cb2.setAttribute("name", "rchoice");
var cbtxt2 = document.createTextNode("B");
littlediv.appendChild(cb2);
littlediv.appendChild(cbtxt2); //第三个checkbox DOM Checkbox 对象
var cb3 = document.createElement("input");
cb3.setAttribute("type", "checkbox");
cb3.setAttribute("value", "C:" + mytag);
cb3.setAttribute("name", "rchoice");
var cbtxt3 = document.createTextNode("C");
littlediv.appendChild(cb3);
littlediv.appendChild(cbtxt3); //第四个checkbox DOM Checkbox 对象
var cb4 = document.createElement("input");
cb4.setAttribute("type", "checkbox");
cb4.setAttribute("value", "D:" + mytag);
cb4.setAttribute("name", "rchoice");
var cbtxt4 = document.createTextNode("D");
littlediv.appendChild(cb4);
littlediv.appendChild(cbtxt4);
var myline = document.createElement("br");
if (j == column) {
mydiv.appendChild(myline);
}
}
}
}
</script>

Body 里:

<body id="mybody">
<div class="mybody"></div>
<span class="o"> 行: <input id="a">列: <input id="b"> <button id="F">生成</button> 姓名: <input type="text" id="c"> <button id="d">提交</button> <br> <br> <div id="container">
<div id="box"></div>
</div>
</span>
</body>
05-12 04:09