根据p标签和p/string 查找元素

[root@node01 jquery]# cat a6.html 
<p title="选择你最喜欢的水果.">狗年快乐<strong>你最喜欢的水果是?</strong></p>
<script type="text/javascript" src="jquery-2.2.2.min.js"></script>
<script type="text/javascript" src="a6.js"></script>
[root@node01 jquery]# 
[root@node01 jquery]# 
[root@node01 jquery]# vim a6.pl
[root@node01 jquery]# 
[root@node01 jquery]# cat a6.pl
use LWP::UserAgent;    
use POSIX;    
use HTML::TreeBuilder::XPath;     
use Encode;     
use HTML::TreeBuilder;      
use Data::Dumper;  
use HTML::TreeBuilder::XPath;    
use DBI;    
use Encode;  
    my $tree= HTML::TreeBuilder::XPath->new;    
       $tree->parse_file("a6.html");  
       my @pageString = $tree->findvalues('//p');  
       print @pageString;
[root@node01 jquery]# perl a6.pl
狗年快乐你最喜欢的水果是?[root@node01 jquery]# 

[root@node01 jquery]# cat a6.pl
use LWP::UserAgent;    
use POSIX;    
use HTML::TreeBuilder::XPath;     
use Encode;     
use HTML::TreeBuilder;      
use Data::Dumper;  
use HTML::TreeBuilder::XPath;    
use DBI;    
use Encode;  
    my $tree= HTML::TreeBuilder::XPath->new;    
       $tree->parse_file("a6.html");  
       my @pageString = $tree->findvalues('//p/strong');  
       print @pageString;
[root@node01 jquery]# perl a6.pl
你最喜欢的水果是?[root@node01 jquery]#