employee.pm

PERL语言资料 可以用于PERL程序设计

#!/usr/bin/perl
# Fig. 14.6: Employee.pm
# Implementation of class Employee.

package Employee;

use strict;
use warnings;
use Date;

sub new
{
   my $type = shift();
   my $class = ref( $type ) || $type;

   my $hireDay = new Date; 
   my $self = {  firstName => undef,
                 lastName => undef,
                 hireDay => $hireDay  };
                   
   bless( $self, $class );
   return $self;
}

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

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

sub hireDay
{
   my $self = shift();
   
   if ( @_ ) {
      $self->{ hireDay }->setDate( @_ );
   }
   else {
      $self->{ hireDay }->print();
   }
}

return 1;

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