发布于 2015-08-14 15:11:33 | 76 次阅读 | 评论: 0 | 来源: 网络整理
返回使用JSON格式集合中的每个模型的属性哈希副本。
collection.toJSON(options)
<!DOCTYPE html>
<head>
<title>Collection Example</title>
<script src="https://code.jquery.com/jquery-2.1.3.min.js" type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.2/underscore-min.js" type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.1.2/backbone-min.js" type="text/javascript"></script>
</head>
<body>
<script type="text/javascript">
//'Player' is a model and contains defualt value for the model
var Player = Backbone.Model.extend({
defaults: {
name: "sachin"
}
});
//The 'PlayersCollection' is a collection instance and model 'Player' is specified by overriding the 'model' property
var PlayersCollection = Backbone.Collection.extend({
model: Player
});
$(function(){
var mycollection = new PlayersCollection();
//The set() method sets the values for the 'name' attribute
mycollection.set([{name: 'sehwag'},
{name: 'raina'},
{name: 'dhoni'}
]);
//The JSON.stringify() method returns values of the collection in the JSON format
document.write("The collection values are:", JSON.stringify(mycollection.toJSON()));
});
</script>
</body>
</html>
让我们进行以下步骤来看看上面的代码工作:
保存上述代码在文件tojson.html
在浏览器打开这个HTML文件。