caxlsx_rails

Uses .xlsx.axlsx templates that integrate seamlessly with Rails' view layer, allowing spreadsheet logic to be separated from controllers and models, as shown in the template examples.

Supports standard Rails patterns like respond_to blocks and mailer attachments, with detailed examples for rendering spreadsheets in controllers and sending them via email.

Provides shared context and matchers for testing spreadsheet templates, enabling developers to verify content and structure in their specs, as outlined in the Testing section.

Offers configurable filenames, disposition (attachment/inline), and spreadsheet metadata like author and timestamp, giving fine-grained control over output.