flex 登录时记住用户名和密码功能实现

此方法记住用户名和密码是跨浏览器的，因为保存用户名和密码的的文件保存在本地flash文件中?
第一步，存放用户名和密码在flash本地文件中?
var userInfoCookie:SharedObject = SharedObject.getLocal("userInfoCookie");?
if(rememberUsernameAndPassword.selected) {?
userInfoCookie.data.userName = login.username.text;?
userInfoCookie.data.password = login.password.text;?
userInfoCookie.data.isRememberUsernameAndPassword = true;?
} else {?
userInfoCookie.data.userName = "";?
userInfoCookie.data.password = "";?
userInfoCookie.data.isRememberUsernameAndPassword = false;?
}?
userInfoCookie.flush();?
第二步?
if(userInfoCookie.data.hasOwnProperty("userName") && userInfoCookie.data.isRememberUsernameAndPassword?
&& userInfoCookie.data.userName != "") {?
this.username.text = userInfoCookie.data.userName;?
this.password.text = userInfoCookie.data.password;?
this.rememberUsernameAndPassword.selected = true;?
}