hash中能不能按value来排序？

ynchnluiti

原帖由 riverlee2008 于 2009-1-20 23:04 发表
我也写个简单的，
假设代码如下：use strict;
my %hash=('a'=>2,'b'=>3,'c'=>1);
foreach my $key (sort {$hash{$b}  $hash{$a}} keys %hash){
    print $key,"=>",$hash{$key},"\n";
}


如果比较的v ...

cmd -> cmp

adminsinx

thanks

dahe_1984

Very rebust!
I havn't knew the sort function.