MySQL and Perl for the Web

A Cart-Based Sales Application

The doc_shop.pl application that was developed earlier in the chapter handled a shopping situation simple enough to allow us to avoid dealing with issues such as managing a shopping cart or creating a mechanism for presenting a large catalog in smaller portions. In this section, we’ll deal with another shopping scenario that requires those capabilities. The application is called pet_shop.pl, because it provides access to a catalog of items that relate to keeping your pets happy, healthy, well-groomed, and so forth. When you first invoke pet_shop.pl, it presents a page showing a list of product categories and a set of links across the top that provide access to the various functions of the application (see Figure ...