我有一个子菜单,只有在选择主菜单中的菜单项时才会出现。我想要做的是保存子菜单的状态,以便当用户在子菜单中选择某些内容,然后在主菜单中导航离开时,当他们返回子菜单时仍应选择该子菜单项。但是,我不知道该怎么做。有任何想法吗?
http://jsfiddle.net/martinp999/Ce5j8/2/
<script type="text/x-handlebars">
<div class="navbar">
<div class="navbar-inner">
<a class="brand" href="#/a/f">Main Menu</a>
<ul class="nav">
<li>{{#link-to 'a'}}A{{/link-to}}</li>
<li>{{#link-to 'b'}}B{{/link-to}}</li>
<li>{{#link-to 'c'}}C{{/link-to}}</li>
</ul>
</div>
</div>
{{outlet}}
</script>
<script type="text/x-handlebars" id="a">
<div class="navbar">
<div class="navbar-inner">
<a class="brand" href="#/a/f">Sub Menu A</a>
<ul class="nav">
<li>{{#link-to 'f'}}F{{/link-to}}</li>
<li>{{#link-to 'g'}}G{{/link-to}}</li>
<li>{{#link-to 'h'}}H{{/link-to}}</li>
</ul>
</div>
</div>
{{outlet}}
</script>
<script type="text/x-handlebars" id="b">
B
</script>
<script type="text/x-handlebars" id="c">
C
</script>
<script type="text/x-handlebars" id="f">
F
</script>
<script type="text/x-handlebars" id="g">
G
</script>
<script type="text/x-handlebars" id="h">
H
</script>
App.Router.map(function () {
this.resource('a', function() {
this.resource('f');
this.resource('g');
this.resource('h');
});
this.resource('b');
this.resource('c');});