backbone学习第二天

来源：互联网发布：mac能玩游戏编辑：程序博客网时间：2024/04/28 20:26

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>the5fire.com-backbone.js-Hello World</title>
</head><body>
<script src="http://the5fireblog.b0.upaiyun.com/staticfile/jquery-1.10.2.js"></script>
<script src="http://the5fireblog.b0.upaiyun.com/staticfile/underscore.js"></script>
<script src="http://the5fireblog.b0.upaiyun.com/staticfile/backbone.js"></script>
<script>
(function ($) {
   World = Backbone.Model.extend({
       //创建一个 World 的对象，拥有 name 属性
       name: null
   });
   Worlds = Backbone.Collection.extend({
   //World 对象的集合
       initialize: function (models, options) {
           this.bind("add", options.view.addOneWorld);//bind函数在事件触发时引发addOneWorld
       }
   });
   AppView = Backbone.View.extend({
       el: $("body"),
       initialize: function () {//构造函数，实例化一个 World 集合类，并且以字典方式传入 AppView的对象
           this.worlds = new Worlds(null, { view : this })
       },events: {
           "click #check": "checkIn", //事件绑定，绑定 Dom 中 id 为 check的元素
       },
       checkIn: function () {
           var world_name = prompt("请问，您是哪星人?");
           if(world_name == "") world_name = '未知';
           var world = new World({ name: world_name });
           this.worlds.add(world);
       },
       addOneWorld: function(model) {
           $("#world-list").append("<li>这里是来自 <b>" + model.get('name')+ "</b> 星球的问候：hello world！</li>");
       }
   });//实例化 AppView
   var appview = new AppView;
})(jQuery);
</script>
   <button id="check" class="" >确定</button>
    <span id="world-list"></span>
</body>
</html>

一段使用model view collection的代码

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