Perl通过哈希循环
我试图解析一个API响应,并创建一个数组Perl通过哈希循环,perl,Perl,我试图解析一个API响应,并创建一个数组 my $data1 = $value->{_embedded}->{'rh:coll'}; print(Dumper($data1)); 输出: $VAR1 = [ { '_etag' => { '$oid' => '571e0eb10fdcb17d700e586b' }
my $data1 = $value->{_embedded}->{'rh:coll'};
print(Dumper($data1));
输出:
$VAR1 = [
{
'_etag' => {
'$oid' => '571e0eb10fdcb17d700e586b'
},
'_id' => 'example.com',
'server_id' => '1',
'enabled' => '1'
},
{
'_etag' => {
'$oid' => '571e0eb90fdcb17d700e586c'
},
'_id' => 'example10.com',
'server_id' => '1',
'enabled' => '1'
}
];
我能够使用
print $value->{_embedded}->{'rh:coll'}->[0]->{_id} . "\t\n";
print $value->{_embedded}->{'rh:coll'}->[1]->{_id} . "\t\n";
输出
example.com
example10.com
如果启用设置为1,如何从网站名创建数组
我试过循环思考这个问题
foreach my $x (%$data1) {
print $x->{_id};
}
这里的
$data1
是数组引用,所以您应该使用@{..}
取消对它的引用。也许你想要这样的东西:
my @sites;
foreach my $x( @ { $data1 } ) {
push( @sites, $x -> {_id} ) if( $x -> {enabled} ); # $x is hash reference
}
# now @sites contain all your sites from API response for which enabled is set to 1.
这里的
$data1
是数组引用,所以您应该使用@{..}
取消对它的引用。也许你想要这样的东西:
my @sites;
foreach my $x( @ { $data1 } ) {
push( @sites, $x -> {_id} ) if( $x -> {enabled} ); # $x is hash reference
}
# now @sites contain all your sites from API response for which enabled is set to 1.
map{${${uID}}grep{${${u->{enabled}}}@$data1
map{${${uID}}grep{${${uID}}}}}@$data1