emberJS

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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<script src="http://localhost:81/js/jquery.min.js"></script>
<script src="http://localhost:81/js/handlebars.js"></script>
<script src="http://localhost:81/js/emberjs.js"></script>
</head>
<body>
<script>
function log(v){
    console.warn(v)
}
var MyApp = {};
 
//demo1
MyApp.president = Ember.Object.create({
  name: "Barack Obama"
});
 
MyApp.country = Ember.Object.create({
    //presidentName = Ember.Binding(MyApp.president.name)
  presidentNameBinding: 'MyApp.president.name'
});
 
log( MyApp.country.get('presidentName') );
 
 
 
 
//demo2
MyApp.president = Ember.Object.create({
  firstName: "Barack",
  lastName: "Obama",
  fullName: function() {
    return this.get('firstName') + ' ' + this.get('lastName');
  // Tell Ember that this computed property depends on firstName
  // and lastName
  }.property('firstName', 'lastName')
});
log( MyApp.president.get('fullName') );
 
 
//demo3
//新建模型，模型拥有say方法;
var Person = Ember.Object.extend({
  say: function(thing) {
    alert(thing);
 }
});
//实例化Person
//var person = Person.create();
//person.say("hello world");
 
var tom = Person.create({
    name : "tom",
    helloWorld : function(){
        this.say("Hi " + this.get("name"))
    }
});
//tom.helloWorld();
 
var yehuda = Person.create({
    name : "qihao",
    say : function(){
        var name = this.get("name");
        console.log( name )
        //console.log( this._super() )
        //this._super("hello"+name)
    }
});
//yehuda.say()
 
var loud = Person.extend({
    say : function(thing){
        //this._super有问题，不知道怎么回事;
        //this._super(thing);
    }
})
loud("nono");
 
/*
Person.reopen({
    say : function(){
        alert(1)
    }
})
*/
//(new Person).say()
 
</script>
<script type="text/x-handlebars">
  The President of the United States is {{MyApp.president.fullName}}
</script>
</body>
</html>

　　

本文作者：方方和圆圆

本文链接：https://www.cnblogs.com/diligenceday/p/3659038.html

版权声明：本作品采用知识共享署名-非商业性使用-禁止演绎 2.5 中国大陆许可协议进行许可。

posted @   方方和圆圆  阅读(430)  评论(0)  编辑  收藏  举报

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