How to set a default display value for possibly empty variables in AnQiCMS templates?
When using AnQiCMS to build a website, we often encounter such situations: some content fields may not have values every time, such as articles may not have thumbnails, products may not have detailed descriptions, or some contact information may not have been filled in.If variables that may be empty are directly called in the template, ugly blank spaces may appear on the page, or even program errors, which will greatly affect the user experience and the professionalism of the website.Luckyly, the AnQiCMS template system is based on syntax similar to Django and Blade, providing a powerful and flexible mechanism to handle these situations