我答1同意,但問題是,我使用的是家長的複選框來切換子類別複選框。如果我有chk0 [0],chk0去[1]等,在toggleParentCheckboxes函數失敗...請看看這個:
<html>
<head>
<script src="http://www.google.com/jsapi"></script>
<script>
google.load("jquery", "1.3.2");
google.load("jqueryui", "1.7.2");
</script>
<script language="JavaScript">
function toggleTableRows()
{
$(document).ready(function() {
$('img.parent')
.css("cursor","pointer")
.toggle(
function() {
$(this).attr("title","Click to Collapse")
$(this).attr("src","arrow_expanded.gif");
$('tr').siblings('#child-'+this.id).toggle();
},
function() {
$(this).attr("title","Click to Expand");
$(this).attr("src","arrow_collapsed.gif");
$('tr').siblings('#child-'+this.id).toggle();
}
);
initCheckBoxes();
});
}
function toggleCheckboxes(current, form, field) {
$("#"+ form +" :checkbox[name='"+ field +"[]']").attr("checked", current.checked);
}
function toggleParentCheckboxes(current, form) {
var checked = ($("#"+ form +" :checkbox[name='"+ current.name +"']").length == $("#"+ form +" :checkbox[name='"+ current.name +"']:checked").length);
$("#"+ form +" :checkbox[name='"+ current.name.replace("[]", "") +"']").attr("checked", checked);
}
function initCheckBoxes() {
$("#frmDinnerMenu :checkbox:checked").each(function() {
if (this.name.replace(/[0-9]/g, "") == "chk[]") {
toggleParentCheckboxes(this, "frmDinnerMenu");
}
});
}
</script>
<script language="JavaScript">toggleTableRows();</script>
</head>
<body>
<form name="frmDinnerMenu" id="frmDinnerMenu" method="POST" action="">
<table border=1>
<tr>
<td><img class="parent" id="0" src="arrow_collapsed.gif" title="Click to Expand">Category - Fruits</td>
<td><input type="checkbox" name="chk0" onclick="toggleCheckboxes(this, 'frmDinnerMenu', 'chk0');"/></td>
</tr>
<tr style="display: none;" id="child-0">
<td> Apple</td>
<td><input type="checkbox" value="0" name="chk0[0]" onclick="toggleParentCheckboxes(this, 'frmDinnerMenu');"/></td>
</tr>
<tr style="display: none;" id="child-0">
<td> Banana</td>
<td><input type="checkbox" checked value="0" name="chk0[1]" onclick="toggleParentCheckboxes(this, 'frmDinnerMenu');"/></td>
</tr>
<tr style="display: none;" id="child-0">
<td> Orange</td>
<td><input type="checkbox" checked value="0" name="chk0[2]" onclick="toggleParentCheckboxes(this, 'frmDinnerMenu');"/></td>
</tr>
<tr><td><img class="parent" id="1" src="arrow_collapsed.gif" title="Click to Expand">Category - Vegetables</td><td><input type="checkbox" name="chk1" onclick="toggleCheckboxes(this, 'frmDinnerMenu', 'chk1');"/></td></tr>
<tr style="display: none;" id=child-1><td> Cabbage</td><td><input type="checkbox" checked value="0" name="chk1[]" onclick="toggleParentCheckboxes(this, 'frmDinnerMenu');"/></td></tr>
<tr style="display: none;" id=child-1><td> Tomatoes</td><td><input type="checkbox" checked value="0" name="chk1[]" onclick="toggleParentCheckboxes(this, 'frmDinnerMenu');"/></td></tr>
<tr style="display: none;" id=child-1><td> Green Peppers</td><td><input type="checkbox" checked value="0" name="chk1[]" onclick="toggleParentCheckboxes(this, 'frmDinnerMenu');"/></td></tr>
<tr><td><img class="parent" id="2" src="arrow_collapsed.gif" title="Click to Expand">Category - Dessert</td><td><input type="checkbox" name="chk2" onclick="toggleCheckboxes(this, 'frmDinnerMenu', 'chk2');"/></td></tr>
<tr style="display: none;" id=child-2><td> Ice Cream</td><td><input type="checkbox" checked value="0" name="chk2[]" onclick="toggleParentCheckboxes(this, 'frmDinnerMenu');"/></td></tr>
<tr style="display: none;" id=child-2><td> Custard</td><td><input type="checkbox" checked value="0" name="chk2[]" onclick="toggleParentCheckboxes(this, 'frmDinnerMenu');"/></td></tr>
<tr style="display: none;" id=child-2><td> Chocolate Cake</td><td><input type="checkbox" checked value="0" name="chk2[]" onclick="toggleParentCheckboxes(this, 'frmDinnerMenu');"/></td></tr>
</table>
</form>
</body>
</html>
我怎樣才能解決這個問題,所以反覆的作品,也是交變量是我想要的方式..
感謝
你爲什麼要索引?將每個複選框的值設置爲id會不會更好? – 2012-12-08 22:47:15