在我的测试中,我有3个从主html文件导入的元素:
<html><head><title>my-app</title>
<script src="bower_components/webcomponentsjs/webcomponents.min.js"></script>
<link rel="import" href="elements/app-globals.html">
<link rel="import" href="/Polymer/my-app/elements/my-categories.html">
<link rel="import" href="/Polymer/my-app/elements/my-items.html">
</head>
<body>
<my-categories></my-categories>
<my-items></my-items>
</body>
</html>
'app-globals.html'是:
<link rel="import" href="../bower_components/polymer/polymer.html">
<polymer-element name="app-globals" attributes="data selectedCategoryId selectedItemId">
<script>
(function() {
var values = {};
Polymer('app-globals', {
ready: function() {
console.log("app-globals -> ready");
this.values = values;
console.dir(this.values);
},
});
})();
</script>
</polymer-element>
'我-categories.html':
<link rel="import" href="../bower_components/polymer/polymer.html">
<link rel="import" href="/Polymer/my-app/elements/app-globals.html">
<polymer-element name="my-categories">
<template>
<app-globals id="globals"></app-globals>
<div>selectedCategoryId = {{$.globals.values.selectedCategoryId}}</div>
<ul>
<template repeat="{{category in categories}}">
<li class="li-category" data-_id="{{category._id}}" on-tap="{{selectCategory}}">{{category.name}}</li>
</template>
</ul>
</template>
<script> …