您好,登錄后才能下訂單哦!
my @array = qw(aa bb cc dd);my @select = @array[1,3];print "@select\n";##輸出bb dd123456
my %hash = ( "a" => 1, "b" => 2, "c" => 3, "d" => 4, );my @select = @hash{qw(a c)}; ## 提取key為‘a(chǎn)’‘c’對應的值print "@select\n";##輸出為1 31234567891011
my %hash = ( "a" => 1, "b" => 2, "c" => 3, "d" => 4, );my %select = %hash{qw(a c)}; ##提取key為‘a(chǎn)’‘c’的hashmap {print "$_=> $select{$_}\n"} keys %select;##輸出為:a=> 1c=> 3
免責聲明:本站發(fā)布的內容(圖片、視頻和文字)以原創(chuàng)、轉載和分享為主,文章觀點不代表本網(wǎng)站立場,如果涉及侵權請聯(lián)系站長郵箱:is@yisu.com進行舉報,并提供相關證據(jù),一經(jīng)查實,將立刻刪除涉嫌侵權內容。