[] 数组引用:
Vsftp:/root/perl/6# cat a7.pl
use Data::Dumper;
my @fields=("aa","bb","cc","dd");
$ref=[@fields];
print $ref;
print "\n";
print @{$ref};
print "\n";
Vsftp:/root/perl/6# perl a7.pl
ARRAY(0xa92408)
aabbccdd
{} hash引用
Vsftp:/root/perl/6# cat a8.pl
%h=("a"=>"1","b"=>"2");
print %h;
print "\n";
$href={%h};
print $href;
print "\n";
print %{$href};
print "\n";
Vsftp:/root/perl/6# perl a8.pl
a1b2
HASH(0xe79408)
a1b2
[] 和{} 匿名引用
最新推荐文章于 2024-11-10 16:27:19 发布