php 返回json：zabbix:/var/www/html/DEVOPS/Home/Lib/Action# vim EquipmentAction.class.php 
    where($where)->select();                echo json_encode($arr);         }        public function search_ipadd(){                $where['ip'] = $_GET['ip'];                $Machine = M('Machine_info');                $arr = $Machine->where($where)->select();                $str= json_encode($arr);                 echo preg_replace("#\\\u([0-9a-f]{4})#ie", "iconv('UCS-2BE', 'UTF-8', pack('H4', '\\1'))", $str);         }    echo preg_replace("#\\\u([0-9a-f]{4})#ie", "iconv('UCS-2BE', 'UTF-8', pack('H4', '\\1'))", $str);    解决返回[{"sn":"83","ip":"192.168.11.187","info":"ftp\u670d\u52a1\u5668","env":"esx-192.168.4.44"}]    /*****************************************************************************centos6.5:/root#cat a1.pl use Net::SMTP;use LWP::UserAgent;use HTTP::Cookies;use HTTP::Headers;use HTTP::Response;use Encode;use JSON;use File::Temp qw/tempfile/;use HTTP::Date qw(time2iso str2time time2iso time2isoz);use Data::Dumper;my $CurrTime = time2iso(time());my $dis_mainpublish='中均资本';my $ua = LWP::UserAgent->new;$ua->timeout(10);$ua->env_proxy;my $now          = time();$ua->agent('Mozilla/5.0');my $cookie_jar = HTTP::Cookies->new(    file           => 'lwp_cookies.txt',    autosave       => 1,    ignore_discard => 1);$ua->cookie_jar($cookie_jar);my $response = $ua->get("http://192.168.11.186/DEVOPS/index.php/Equipment/search_ipadd?ip=192.168.11.187");if ($response->is_success) {  $r = $response->decoded_content;   print "\n"; }  else  {  die $response->status_line; };print $r;#my $r=encode_utf8($r);my $hash = decode_json($r);print "\n";print $hash->[0]->{info};print "\n";centos6.5:/root#perl a1.pl [{"sn":"83","ip":"192.168.11.187","info":"ftp服务器","env":"esx-192.168.4.44"}]Wide character in print at a1.pl line 38.ftp服务器解决 Wide character in print at a1.pl line 38.centos6.5:/root#vim a1.pl centos6.5:/root#cat a1.pl use Net::SMTP;use LWP::UserAgent;use HTTP::Cookies;use HTTP::Headers;use HTTP::Response;use Encode;use JSON;use File::Temp qw/tempfile/;use HTTP::Date qw(time2iso str2time time2iso time2isoz);use Data::Dumper;my $CurrTime = time2iso(time());my $dis_mainpublish='中均资本';my $ua = LWP::UserAgent->new;$ua->timeout(10);$ua->env_proxy;my $now          = time();$ua->agent('Mozilla/5.0');my $cookie_jar = HTTP::Cookies->new(    file           => 'lwp_cookies.txt',    autosave       => 1,    ignore_discard => 1);$ua->cookie_jar($cookie_jar);my $response = $ua->get("http://192.168.11.186/DEVOPS/index.php/Equipment/search_ipadd?ip=192.168.11.187");if ($response->is_success) {  $r = $response->decoded_content;   print "\n"; }  else  {  die $response->status_line; };print $r;my $r=encode_utf8($r);my $hash = decode_json($r);print "\n";print $hash->[0]->{info};print "\n";centos6.5:/root#centos6.5:/root#perl a1.pl [{"sn":"83","ip":"192.168.11.187","info":"ftp服务器","env":"esx-192.168.4.44"}]ftp服务器