据我了解,根据您的代码和您的描述,您只是创建了弹出框的一个实例,但从未显示它。我有一个现场演示,但不能使用 CoffeeScript(我个人讨厌 CoffeeScript),你可以在下面和这个 jsfiddle看到代码。
数据1.json
{"content": "lorem ipsum dolor sit amet"}
索引.html
<div class="container">
<div class="row">
<button class="btn" data-target="popover">Popover</button>
</div>
<div class="row"> </div>
<div class="row">
<button class="btn" data-action="change-content">Change Content</button>
</div>
</div>
main.js
var Main = Backbone.View.extend({
model: null,
item: null,
popover: false,
events: {
'click .btn[data-target]': 'button_click',
'click .btn[data-action="change-content"]': 'change_content'
},
initialize: function() {
_.bindAll(this);
this.model = new PopoverModel();
this.model.view = new PopoverContentView({model: this.model});
this.item = this.$('.btn[data-target]');
this.item.popover({
html: true,
content: this.model.view.render().el
});
},
button_click: function(event) {
if (!this.popover) {
this.model.url = 'js/data1.json';
this.model.fetch({
success: this.model_fetched
});
} else {
this.popover = false;
}
},
model_fetched: function() {
if (!this.popover) {
this.item.popover('show');
} else {
this.item.popover('hide');
}
this.popover = !this.popover;
},
change_content: function(event) {
this.model.set('content', 'Some random content... ' + parseInt(Math.random() * 10));
}
});
var PopoverModel = Backbone.Model.extend({
defaults: {
content: ''
}
});
var PopoverContentView = Backbone.View.extend({
initialize: function() {
_.bindAll(this);
this.listenTo(this.model, 'change', this.render);
},
render: function() {
this.$el.html(_.template('<%= content %>', this.model.toJSON()));
return this;
}
});
var main = new Main({
el: '.container'
});