<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>js01_hello</title>
<meta name="author" content="Administrator" />
<script type="text/javascript">
/**
* json的意思就是javascript simple object notation
* json就是js的对象，但是它省去了xml中标签，而是通过{}来完成对象的说明
*/
var person = {
name:"张三",//通过属性名:属性值来表示，不同的属性通过,来间隔
age:23,
say:function() {
alert(this.name+","+this.age);
}//最后一个属性之后不能有,
}
person.say();
/**
* 通过json依然可以创建对象数组，创建的方式和js的数组一样
*/
var ps = [
{name:"Leon",age:22},
{name:"Ada",age:33}
];
for(var i=0;i<ps.length;i++) {
alert(ps[i].name);
}
/**
* 创建一组用户，用户的属性有
* name:string,age:int,friends:array
* List<Person> ps = new ArrayList<Person>();
* ps.add(new Person("Leon",22,["Ada","Alice"]));
* ps.add(new Person("John",33,["Ada","Chris"]));
* 把ps转换为json
*/
ps = [
{
name:"Leon",
age:22,
friends:["Ada","Alice"]
},
{
name:"John",
age:33,
friends:["Ada","Chris"]
}
];
</script>
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<body>
</body>
</html>
