As an old soldier deeply familiar with the art of CMS content management, I know that how to efficiently process and display data is the key to improving website user experience and content value in daily operations.AnQi CMS provides us with great flexibility with its powerful template engine.Today, let's delve into a very common requirement in content display: how to concatenate multiple elements in an array into a string with a specified character.This is crucial for scenarios such as aggregating display keywords, image lists, or handling multiple choice custom fields.

ingeniously utilizejoinFilter to connect array elements

In the template syntax of AnQi CMS,joinFilter is the tool that achieves this function.It can merge an array (whether it contains string or numeric elements, etc.) into a single string according to the concatenation character you set.This operation is extremely convenient for the formatting of data output.

joinThe basic usage of the filter is concise and clear:

{{ 数组变量 | join:"分隔符" }}

Here,数组变量It refers to the template variable that you need to perform a connection operation, which must be an array type."分隔符"This is a string that will be inserted between each element of the array, serving as a separator to connect them. For example, if you have a template with a namecategoriesThe string array contains multiple category names, you can concatenate them in the following way:

`{{ categories | join