2411/090
AS3-SharedObject Flash的Cookie
该从何讲起呢,,先说浏览器的Cookie吧,可以方便的记录一些东西,但是Flash就比较麻烦了,如果要操作Cookie,还得借助其他语言,js,php,asp?着实有点让人不爽,不过Adobe给了个SharedObject给大家玩,借助这个东西保存客户端的信息就比较easy了,来,咱来看个Demo:
Demo代码:
import org.nwhy.utils.*;
init();
function init() {
var ckie:FlashCookie=new FlashCookie("nwhy");
if (ckie.data.txt) {
txt.text=ckie.data.txt;
} else {
txt.text="暂无数据";
}
btn.addEventListener(MouseEvent.CLICK,saveCookie);
function saveCookie(_e:MouseEvent) {
ckie.data.txt=txt.text;
ckie.flush();
}
btnClear.addEventListener(MouseEvent.CLICK,clearCookie);
function clearCookie(_e:MouseEvent) {
ckie.clear();
}
}
是不是跟Cookie一样顺手?
下边是FlashCookie类,简单的封装了下SharedObject:
package org.nwhy.utils{
import flash.net.SharedObject;
public class FlashCookie {
private var _cookie:SharedObject;
public function FlashCookie(name:String) {
_cookie = SharedObject.getLocal(name);
}
public function get cookie():SharedObject{
return _cookie;
}
public function get data():Object{
return _cookie.data;
}
public function flush(){
_cookie.flush();
}
public function clear(){
_cookie.clear();
}
}
}
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Tag: AS3, Cookie, SharedObject
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