openfire 找回密码功能的实现
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悬赏园豆：10
[待解决问题]
用openfire服务器注册的用户，忘记密码找回的功能怎么实现？
现有的smack API中 有修改密码的方法：AccountManager.changePassword
public void changePassword(String newPassword) 但是，此方法只能在已经登录并建立连接的情况下才可以用：
Changes the password of the currently logged-in account. This operation can only be performed after a successful login operation has been completed. Not all servers support changing passwords; an XMPPException will be thrown when that is the case.
所以，有什么好办法实现找回用户密码的功能？谢谢！
