<html>
<head>
<script>
function BatchAddToBasket() {
var questionNums = '';
var checkboxs = document.getElementsByName('question');
for (var i = 0; i < checkboxs.length; i++) {
var isChecked = false;
if (checkboxs[i].checked) {
isChecked = true;
break;
}
}
if (!isChecked) {
alert('请至少选择一个选项');
return;
}
for (var i = 0; i < checkboxs.length; i++) {
if (checkboxs[i].checked) {
questionNums += checkboxs[i].id;
if (i < checkboxs.length - 1)
questionNums += ',';
}
}
alert('选项id：' + questionNums);
}
function SelectAll(obj) {
if (obj.checked) {
var checkboxs = document.getElementsByName('question');
for (var i = 0; i < checkboxs.length; i++) {
checkboxs[i].checked = true;
}
} else {
var checkboxs = document.getElementsByName('question');
for (var i = 0; i < checkboxs.length; i++) {
checkboxs[i].checked = false;
}
}
}
</script>
</head>
<body>
<div>
<input type="checkbox" name="checkboxAll" onclick="SelectAll(this)">
<button onclick="BatchAddToBasket()">加入试题篮</button>
</div>
<div>
<input type="checkbox" name="question" id=0>
<input type="checkbox" name="question" id=1>
<input type="checkbox" name="question" id=2>
</div>
</body>
</html>
