日期:2014-05-17  浏览次数:20625 次

2组radio联动, 请教
现在碰到一个问题,有2组radio,选中其中一组的一个选项的时候,另外一组初始化为没有点击的状态。这个能实现么?
<input type="radio" name="fruit" value = "Apple">苹果<br>
<input type="radio" name="fruit" value = "Orange">桔子<br>
<input type="radio" name="vegetables" value = "Apple">黄瓜<br>
<input type="radio" name="vegetables" value = "Orange">番茄<br>
类似这样的,选中苹果后再选择番茄时,苹果的选中被取消


------解决方案--------------------
HTML code
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript">
window.onload = function() {
    var obj = document.getElementsByTagName('input');
    for (var i = 0; i < obj.length; i ++) {
        if (obj[i].name == 'fruit' || obj[i].name == 'vegetables') obj[i].onclick = function() {
            for (var j = 0; j < obj.length; j ++) if (obj[j] != this) obj[j].checked = false;
        }
    }
}
</script>
</head>

<body>
<input type="radio" name="fruit" value = "Apple">苹果<br>
<input type="radio" name="fruit" value = "Orange">桔子<br>
<input type="radio" name="vegetables" value = "Apple">黄瓜<br>
<input type="radio" name="vegetables" value = "Orange">番茄<br>
</body>
</html>