perl lwp get uft-8和gbk

gbk编码：

jrhmpt01:/root/lwp# cat x2.pl 
use  LWP::UserAgent;
use DBI;
$user="root";
$passwd='R00t,uHagt.0511';
$dbh="";
$dbh = DBI->connect("dbi:mysql:database=zjzc_vote;host=114.55.5.57;port=3306",$user,$passwd) or die "can't connect to  database ". DBI-errstr;
$dbh->do("SET NAMES utf8");
use POSIX;
use Data::Dumper;
use HTML::TreeBuilder;
my $ua = LWP::UserAgent->new;
$ua->timeout(10);
$ua->env_proxy;
$ua->agent("Mozilla/8.0");
my $response = $ua->get('http://data.10jqka.com.cn/financial/yjyg/date/2016-03-31/ajax/1/');
if ($response->is_success) {
print   $response->content;
};
jrhmpt01:/root/lwp# echo $LANG
en_US

utf8编码:

jrhmpt01:/root/lwp# echo $LANG
en_US.UTF-8
jrhmpt01:/root/lwp# cat x2.pl 
use  LWP::UserAgent;
use DBI;
$user="root";
$passwd='R00t,uHagt.0511';
$dbh="";
$dbh = DBI->connect("dbi:mysql:database=zjzc_vote;host=114.55.5.57;port=3306",$user,$passwd) or die "can't connect to  database ". DBI-errstr;
$dbh->do("SET NAMES utf8");
use POSIX;
use Data::Dumper;
use HTML::TreeBuilder;
my $ua = LWP::UserAgent->new;
$ua->timeout(10);
$ua->env_proxy;
$ua->agent("Mozilla/8.0");
my $response = $ua->get('http://data.10jqka.com.cn/financial/yjyg/date/2016-03-31/ajax/1/');
if ($response->is_success) {
print   $response->decoded_content;;
};