<style type="text/css">
.aaa
{
border: 1px hidden #0000FF;
width: 100px;
height: 60px;
background-color: #cccccc;
}
</style>
<input name="bigclassauthorize" id="bigclassauthorize" type="checkbox" οnclick="bigChange(this)"/>大类
<div class="aaa">
<input name="smallclassauthorize" type="checkbox" οnclick="smallChange(this)" value="小类一"/>小类一<br />
<input name="smallclassauthorize" type="checkbox" οnclick="smallChange(this)" value="小类二"/>小类二<br />
<input name="smallclassauthorize" type="checkbox" οnclick="smallChange(this)" value="小类三"/>小类三
</div>
<script language="javascript" type="text/javascript">
function bigChange(obj) {
if (obj.checked == false) {
var smObj = document.getElementsByName("smallclassauthorize");
for (var i = 0; i < smObj.length; i++)
smObj[i].checked = false;
}
}
function smallChange(obj) {
var smObj = document.getElementsByName("smallclassauthorize");
var bigObj = document.getElementById("bigclassauthorize");
if (obj.checked == true)
bigObj.checked = true;
else {
b = true;
for (var i = 0; i < smObj.length; i++) {
if (smObj[i].checked == true)
b = false;
}
if (b == true)
bigObj.checked = false;
}
}
</script>
转载请注明原文地址: https://ju.6miu.com/read-22255.html
