By Jonathan Rockway
Книга Catalyst - Accelerating Perl net program improvement Catalyst - Accelerating Perl net software improvement Книги net дизайн/разработка Автор: Jonathan Rockway Год издания: 2007 Формат: pdf Издат.:Packt Publishing Страниц: 2 hundred Размер: three ISBN: 1847190952 Язык: Русский0 (голосов: zero) Оценка:Книгао хорошем веб-фреймворке написанном на Perl.
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Extra resources for Catalyst - Accelerating Perl Web Application Development
39 ] Building a Real Application Viewing People The first link on the index page is Look at all people, so let's create an action that will display everyone in our database, along with their addresses (if any). We'll also show links to relevant actions such as "edit name", "add address" and "delete person". The eventual goal is to have a page that looks something like this: The page is a little busy, but it conveys all the information that we want to. ) The first thing we need to do is to create a People controller for managing people.
This looks fairly complex, but it's mostly HTML that makes the data from the database look nice. The bulk of the code consists of a WHILE loop that iterates over each Person in the database. Once we have a Person object, we can print out the first name, last name and some links to pages where we can edit and delete people and addresses (we'll create these pages later). After that, we get an array of Addresses associated with this person (from the relationship we added to the schema earlier in the chapter).
Tt template to change the look of the page. You shouldn't even need to restart your development server for changes to take effect. pm and another template. pl -r -d. The -r will cause the server to restart when appropriate, and the -d will show debugging information, even if you've turned it off inside your application. tt template showed up without your code ever calling any methods in the Template Toolkit View. pm uses an ActionClass called "RenderView". The end action in Root is called at the end of every request, and the RenderView ActionClass will automatically forward to the default View.