Perl 随机数和随机密码的产生

#!/usr/bin/perl
#??use strict;
??use warnings;
# 0~1之间
???$random_number = rand();

??print $random_number . "n";

#大范围
?$range = 100;

???$random_number = rand($range);

#整数
?$range = 300;

???$random_number = int(rand($range));

#offset
???$range = 300;
???$minimum = 1;

???$random_number = int(rand($range)) + $minimum;

??print $random_number . "n";

# 某范围间的随机整数 25,75
$random = int( rand( $Y-$X+1 ) ) + $X;?#起止范围
$random = int( rand(51)) + 25; print "$randomn";

?

#随机密码

@chars = ( "A" .. "Z","a" .. "z",0 .. 9,qw(qin yang?liu _ ! @ $ % ^ & *) );
$password = join("",@chars[ map { rand @chars } ( 1 .. 8 ) ]);
print "t$passwordn";

#从数组生成随机密码

@array=qw,323 dd ddae oiljef 43,;
$elt = $array[ rand @array ];
print "$eltn";
$elt = $array[ int( rand(0+@array) ) ];
print "$eltn";

?

#随机密码，任意长度

sub randomPassword {
my $password;
my $_rand;

my $password_length = $_[0];
????if (!$password_length) {
????????$password_length = 10;
????}

my @chars = split(" ",
????"a b c d e f g h i j k l m n o
????p q r s t u v w x y z - _ % # |
????0 1 2 3 4 5 6 7 8 9 秦");

srand;

for (my $i=0; $i <= $password_length ;$i++) {
????$_rand = int(rand 41);
????$password .= $chars[$_rand];
}
return $password;
}

#产生六位数的随机密码 ?my $password = randomPassword(6); ?# with 60 length ?print "password = ",randomPassword(60);