boss.pm

PERL语言资料 可以用于PERL程序设计

#!/usr/bin/perl
# Fig. 14.11: Boss.pm
# Implementation of class Boss.

package Boss;

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->{ title } = $_[ 3 ];
   
   bless( $self, $class );
   return $self;
}

sub title
{
   my $self = shift();
   
   $self->{ title } = shift() if ( @_ );
   
   return $self->{ title };
}

sub write
{
   my $self = shift();

   print( "My name is Mr. ", $self->lastName(), ".\n" );
   print( "I am the boss and I am a ", $self->title(), ".\n" );
}

return 1;

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#  (C) Copyright 2001 by Deitel & Associates, Inc. and Prentice Hall.     #
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