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Backbone seajs

2014-03-18 00:12 239 查看

<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script src="seajs/sea.js"></script>
<style>
span{display: block;}
#container ul li{list-style-type: none;float: left;padding: 10px; margin-right: 10px;margin-bottom: 10px;}
#container ul li img{display: block;width: 100px;height: 150px;}
#container ul li p{white-space: nowrap;overflow: hidden; width: 100px;text-overflow: ellipsis;}
</style>
</head>
<body>
<div id="container">
<ul></ul>
</div>

<!-- template -->
<script type="text/html" id="book-view">
<span class="books">
<img src="<%= image %>" alt="<%= title %>">
<p><a href="<%= alt %>"><%= title %></a></p>
</span>
</script>
<script>
seajs.config({
base: '../example-3',
alias: {
'jquery': 'lib/jquery-latest.js',
'underscore': 'lib/underscore.js',
'backbone': 'lib/backbone.js',
'DemoModel': 'js/DemoModel',
'DemoView': 'js/DemoView',
'DemoCollection': 'js/DemoCollection',
'DemoApp': 'js/DemoApp'
}
});

seajs.use('DemoApp', function (DemoApp) {
new DemoApp();
});
</script>
</body>
</html>

define('DemoModel', ['jquery', 'underscore', 'backbone'], function (require, exports, module) {
'use strict';

var DemoModel = Backbone.Model.extend({
defaults: function () {
return {
id: '',
alt: '',
url: '',
title: '',
image: ''
}
}
});

module.exports = DemoModel;
});

define('DemoCollection', ['jquery', 'underscore', 'backbone', 'DemoModel'], function (require, exports, module) {
'use strict';
var DemoModel = require('DemoModel');

var DemoCollection = Backbone.Collection.extend({
model: DemoModel,
url: 'https://api.douban.com/v2/book/search?q=javascript',
parse: function (response) {
return response.books;
},
sync: function (method, model, options) {
var params = _.extend({
type: 'GET',
dataType: 'jsonp',
url: this.url,
processData: false
}, options);
return $.ajax(params);
}
});

module.exports = DemoCollection;
})

define('DemoView', ['jquery', 'underscore', 'backbone'], function (require, exports, module) {
'use strict';

var DemoView = Backbone.View.extend({
tagName: 'li',
template: _.template($('#book-view').html()),
render: function () {
this.$el.html(this.template(this.model.toJSON()));
return this;
}
});

module.exports = DemoView;
});

define('DemoApp', ['jquery', 'underscore', 'backbone', 'DemoView', 'DemoCollection'], function (require, exports, module) {
'use strict';
var DemoCollection = require('DemoCollection'),
DemoView = require('DemoView');

var demoCollection = new DemoCollection();

var DemoApp = Backbone.View.extend({
el: 'body',
events: {

},
initialize: function () {
var that = this;
this.listenTo(demoCollection, 'reset', this.render);
demoCollection.fetch({
success: function (e) {
console.log('data');
that.render();
},
error: function (e) {
console.log('Something went wrong!');
}
});
},
render: function () {
demoCollection.each(this.addOne, this);
},
addOne: function (item) {
var view = new DemoView({
model: item
});

$('#container ul').append(view.render().el);
}
});

module.exports = DemoApp;
});

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