<hr>SimpleXMLElement Object
(
    [用户名] => 张三
    [留言内容] => 这里是张三的留言
    [留言时间] => 2014-2-5 16:39:26
)
<p>SimpleXMLElement Object
(
    [@attributes] => Array
        (
            [性别] => 男
            [QQ] => 666666666
            [Email] => zhangsan@263.net
        )

)
<br>SimpleXMLElement Object
(
)
<br>SimpleXMLElement Object
(
)
<br><hr><hr>SimpleXMLElement Object
(
    [用户名] => 李四
    [留言内容] => 这里是李四的留言
    [留言时间] => 2014-3-5 16:39:26
)
<p>SimpleXMLElement Object
(
    [@attributes] => Array
        (
            [性别] => 女
            [QQ] => 777777777
            [Email] => lisi@263.net
        )

)
<br>SimpleXMLElement Object
(
)
<br>SimpleXMLElement Object
(
)
<br><hr>