How to use the `stringformat` filter to generate a numeric string with leading zeros or a specific width in AnQi CMS (such as order numbers)?
In website operation, we often need to handle various number strings with specific formats, such as order numbers, product codes, or member IDs.These numbers usually need to maintain a certain length, and leading zeros are used to fill in when the numbers are insufficient to ensure uniformity and aesthetics.AnQiCMS (AnQiCMS) provides a very practical template filter——`stringformat`, which can help us easily meet these needs.