?? hourly2.pm
字號(hào):
#!/usr/bin/perl
# Fig. 14.10: Hourly2.pm
# Implementation of class Hourly2.
package Hourly2;
use strict;
use warnings;
use Employee2;
our @ISA = ( "Employee2" );
sub new
{
my $object = shift();
my $class = ref( $object ) || $object;
my $self = $class->SUPER::new( @_[ 0 .. 2 ]);
$self->{ rate } = $_[ 3 ];
bless ( $self, $class );
return $self;
}
sub rate
{
my $self = shift();
$self->{ rate } = shift() if ( @_ );
return $self->{ rate };
}
sub write
{
my $self = shift();
$self->SUPER::write();
printf( "I make \$%.2f per hour.\n", $self->rate );
}
return 1;
###########################################################################
# (C) Copyright 2001 by Deitel & Associates, Inc. and Prentice Hall. #
# All Rights Reserved. #
# DISCLAIMER: The authors and publisher of this book have used their #
# best efforts in preparing the book. These efforts include the #
# development, research, and testing of the theories and programs #
# to determine their effectiveness. The authors and publisher make #
# no warranty of any kind, expressed or implied, with regard to these #
# programs or to the documentation contained in these books. The authors #
# and publisher shall not be liable in any event for incidental or #
# consequential damages in connection with, or arising out of, the #
# furnishing, performance, or use of these programs. #
###########################################################################
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