Management background --5, sub classification

Create a new drop-down box ：

Parents Used to save parent objects , hold parent Medium id Related to model.parent in

 

  Send request to get parents data ：

  stay server Can be used directly in categories Interface ： If there is an associated parent object , Then get the parent object

  You need to add an associated object to the model ：

  stay CategoryList.vue The exhibition of ：

  You can use it directly parent.name